JP3875152B2 - Extension construction method of hut assembly - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an extension work at the time of extension of a dormitory house, and relates to an extension construction method of a hut assembly in which a hut assembly of an extension part is constructed without completely dismantling the hut assembly of an existing house.
[0002]
[Prior art]
When an extension is made to a part of the girder of an existing house with a dormitory structure, the overall structure of the hut is often changed after the extension due to the height of the ridge or the direction of the ridge changing compared to before the extension ((Figure 1))).
[0003]
In such a case, it is necessary to add another member to the existing member of the existing shed, or remove the existing member and replace it with a new member. Need to be changed. For this reason, in the past, the existing hut assembly was completely dismantled and reconstructed into a new hut assembly.
[0004]
[Problems to be solved by the invention]
However, since the existing hut assembly was completely dismantled and reconstructed into a new hut assembly, it took a lot of time and labor, and not only the construction period was lengthened, but also the workability was poor. .
[0005]
In addition, when each component of the hut is made of a metal such as steel, it is possible to add another member to the existing member by welding. In consideration of living as usual in the past, there is a problem that it is difficult to ensure sufficient safety.
[0006]
Furthermore, there is a problem in that a large amount of industrial waste is generated by dismantling the existing hut assembly, and it is expensive to transport and process the waste.
[0007]
Furthermore, as mentioned above, in many cases, it is desirable that the extension work be completed in a short period because the customer lives in the existing house even during the extension work. As a result, the period of inconvenience to the customer becomes longer and the burden on the customer increases.
[0008]
The present invention has been made in view of the above-described problems, and is a hut that is designed to save labor, reduce costs, and reduce waste in an extension work when adding to a part of a girder face of a dormitory structure. The purpose is to provide an extension construction method.
[0009]
[Means for Solving the Problems]
According to claim 1 of the present invention, an extension construction method for a cabin set according to claim 1 of the present invention is provided in a part of a girder face of an existing house of a dormitory structure and a part of the existing cabin set of an existing house. It is a method of constructing the hut in the extension work when extending the ridge height of the extension part to be substantially the same plane as the part of the new hut set of the department and higher than the ridge height of the existing house,
Rise angle of existing corner wooden beams from one end edge of the corner top purlin support connecting portion installed in the corner top purlin support installed at the upper end of the vertical member under the end of the existing large building Using a corner beam extension fitting having a corner beam connection portion rising at an equal angle, one end of a first new corner beam is connected to the corner beam connection portion, and the corner peak purlin support connection portion is connected to the corner peak purlin support. By fixing and installing one end of the first new corner wooden beam on the extension of the existing corner wooden beam, the corner wooden beam is extended from the end of the existing large building toward the end of the new large building. A top purlin receiving connection part installed in a top purlin receiver installed at the upper end of a vertical member below the middle part of the main building and an angle substantially equal to the rising angle of the existing corner wooden beam from one end side of the top purlin receiving connection part Corner wooden beam installation bracket having a rising corner wooden beam connection part And connecting one end of the second new corner wooden beam to the corner wooden beam connecting portion by fastening the corner wooden beam connecting portion and one end of the second new corner wooden beam with a fastener, and connecting the top purlin receiving connection By fastening the second new corner wooden beam in the middle part of the large building by fastening the part and the top purlin receptacle with a fastener, from the middle part of the existing large building toward the end of the new large building Installing a corner wooden beam, a flat part installed on the top of the vertical member in the middle part of the existing building, a top purlin receiving connection part installed on the top purlin receiver installed on the upper end of the vertical member, Using a climbing beam extension fitting having a climbing beam connecting part that rises at a rising angle substantially equal to the rising angle of the existing climbing beam from the central part on one side of the purlin receiving connection part, and using the climbing beam as one end of the new climbing beam Connect to the connection part and fix the flat part to the top of the vertical member. By fixing the top purlin support connection portion to the top purlin support, one end of the new climbing beam is installed on the extension of the existing climbing beam, and is installed on the existing climbing beam on the extension part side at the lower end. Using a new climbing beam bundle having a new climbing beam connection portion connected to the new climbing beam at the upper end portion, and fixing the climbing beam bundle connection fitting to the existing climbing beam, New climbing beam connection Is connected to the new climbing beam, and the new climbing beam bundle is erected vertically between the new climbing beam and the existing climbing beam on the extension side. Is extended to the end of the new building, and installed at the intersection where the valley that occurs at the boundary between the existing hut assembly and the extension hut assembly intersects the existing climbing beam on the extension portion side. Rises at a rising angle substantially equal to the rising angle of the existing corner beam from one side of the installation portion, the purlin receiving connection portion installed in the purlin receiving portion installed in the purlin receiving portion near the intersection, Using a trough beam installation bracket having a first trough beam installation part and a second trough beam connection part installed on an extension of the first trough beam connection part on the other side of the installation part, the end of the first new trough beam is Connect to the first trough beam connection, and connect the end of the second trough beam to the first It connects to a valley beam connection part, and a valley tree beam is installed in the above-mentioned valley part by installing the end part of the above-mentioned 1st new valley tree beam, and the edge part of the above-mentioned 2nd new valley tree beam in the above-mentioned intersection in a straight line. It is what.
[0010]
The extension construction method of the hut assembly according to claim 2 is the extension construction method of the hut assembly according to claim 1, wherein the rising angle of the existing climbing beam from one side of the installation portion to the installation portion of the trough beam installation bracket A climbing beam connecting part that rises at an approximately equal rising angle is installed, and one end of the new climbing beam is connected to the climbing beam connecting part, so that the climbing beam is installed from the intersection to the second new corner wooden beam. It is characterized by doing.
[0011]
The extension construction method of the roof set according to claim 3 is the main building installed in the existing corner wooden beam located at the boundary between the existing house and the extension portion in the extension construction method of the roof set according to claim 1 or claim 2. Using a purlin extension fitting having a purlin receiving connection portion installed in the receiving bracket and a purlin receiving connection portion forming approximately 90 ° with the purlin receiving connection portion, fixing the purlin receiving connection portion to the purlin receiving bracket, By installing the new purlin on the extension of the existing purlin installed on the purlin bracket, the installation direction of the purlin on the extension part side of the existing house is changed by approximately 90 °, and the new purlin of the extension part is It is characterized by being arranged on the same plane as the existing purlin.
[0012]
The extension construction method of the roof assembly according to claim 4 is the extension construction method of the roof assembly according to any one of claims 1 to 3, wherein the truss eaves are obliquely downward from one end side of the truss of the cabin assembly. This is an eaves beam installation method that adds a new eaves beam along the eaves on the side of the girder side of the existing house in the extension work on the side of the girder side of the extended house, and adds the eaves beam of the existing house Cut off the eaves side of the truss eaves on the side of the girder, and arrange the eaves beam installation brackets at the ends of the adjacent truss eaves with the eaves beam connecting parts facing each other. Connect both ends of the eaves beam to these eaves beam connections
It is characterized by this.
[0013]
The extension construction method of the roof assembly according to claim 5 is the extension construction method of the roof assembly according to any one of claims 1 to 4, wherein the truss eaves are obliquely downward from one end side of the truss of the cabin assembly. This is an eaves beam installation method that adds a new eaves beam along the eaves on the side of the girder side of the existing house in the extension work on the side of the girder side of the extended house, and adds the eaves beam of the existing house A truss eaves part on the side surface of the spar is cut off, and a web straddling part straddling the web of the truss at the end part of the adjacent truss eaves, and an eaves end beam connecting part projecting perpendicularly from the web straddling part, Have Eaves beam installation bracket Are arranged such that the eaves end beam connecting portions are opposed to each other, and both end portions of the eaves end beam are connected to the opposed eaves end beam connecting portions.
[0014]
DETAILED DESCRIPTION OF THE INVENTION
First, as shown in FIG. 1, the existing corner beam 1 is extended to the end of the new large building. As shown in FIG. 2, the extension of the existing corner wooden beam 1 is performed by adding a corner wooden beam extending bracket to the corner top purlin support 4 provided at the upper end portion 3 of the existing building bundle 2 which is a vertical member below the end of the existing large building. This is done by connecting one end 101 of the first new corner wooden beam 100 using 102.
[0015]
As shown in FIG. 3, the existing corner wooden beam 1 is obtained by fastening two C-shaped steels 5 with bolts, the openings are facing each other, and a gap with a desired interval is secured. It was installed at the upper end 3 of the existing dormitory bundle 2 at a rising angle θ determined by taking it out from the end of the main building toward the exit corner of the existing eaves in a direction of 45 ° (see FIG. 1). It is connected to the beam connecting bracket 6.
[0016]
As shown in FIG. 3, the existing dormitory bundle 2 is formed by fastening two C-shaped steels 5 with bolts so that the opening faces outward, similarly to the existing corner beam 1, and the upper end 3 The corner top purlin support 4 and the beam connecting bracket 6 are provided at the lower end, and the beam bundle connecting bracket is provided at the lower end.
[0017]
As shown in FIG. 3, the corner top purlin receptacle 4 is a metal fitting having a substantially L-shaped cross section. 4 A through-hole 7a is fixed for fixing.
[0018]
As shown in FIG. 4, the first new corner wooden beam 100 has the same configuration as the existing corner wooden beam 1, and has a pair of through holes 100 a at both ends.
[0019]
As shown in FIG. 4, the corner beam extension metal fitting 102 is bent from the corner top purlin receiving connection portion 103 in which the through-hole 103 a is formed, and the one end edge 104 of the corner top purlin receiving connection portion 103, so that the existing corner wooden beam 1 It has a corner beam connecting portion 105 that rises at a rising angle that is substantially equal to the rising angle θ (hereinafter referred to as “rising angle θ”) and that has a through hole 105a at the end.
[0020]
As shown in FIG. 3 or FIG. 5, the height of the corner top purlin support connection portion 103 is substantially equal to the height of the receiving portion 7 of the corner top purlin receiver 4, and the length thereof is the receiving portion of the corner top purlin receiver 4. When the corner top purlin support connection portion 103 is applied to the reception portion 7 of the corner top purlin support 4, one end edge 104 of the corner top purlin support connection portion 103 is connected to the long axis L of the existing corner wooden beam 1. It is set to the length located on the extension of (see FIG. 6). The through-hole 103 a is formed at a position substantially coincident with the through-hole 7 a of the receiving portion 7 when the corner-top purlin receiving connection portion 103 is applied to the receiving portion 7 of the corner-top purlin receiver 4.
[0021]
As shown in FIG. 4, the length of the corner beam connecting portion 105 is not particularly limited, but the thickness is substantially equal to the gap between the two C-shaped steels 5 of the first new corner beam 100. is doing. The two through-holes 105a are drilled at a position where the line connecting the centers forms a rising angle θ with respect to the horizontal direction and the distance between the two through-holes 105a is substantially equal to the pair of through-holes 100a of the first new corner wooden beam 100. ing. Further, in plan view, as shown in FIG. 5, it forms an angle of approximately 135 ° with the corner top purlin receiving connection portion 103. Thereby, as shown in FIG. 6, when the corner top purlin receiving connection portion 103 is fixed to the upper end portion 3 of the existing dormitory bundle 2, an axis of 45 ° with respect to the existing large ridge direction from the center of the existing dormitory bundle 2 The corner beam connecting portion 105 is located on the line.
[0022]
Hereinafter, the connection of the one end 101 of the first new corner beam 100 to the upper end 3 of the existing dormitory bundle 2 will be described. First, as shown in FIG. 4, the corner wooden beam connecting portion 105 of the corner wooden beam extension fitting 102 is inserted between the two C-shaped steels 5 constituting the first new corner wooden beam 100, so that the first new corner wooden beam 100 By fastening the through hole 100a of the one end 101 and the through hole 105a of the corner wooden beam connecting portion 105 with a fastener 60 composed of a bolt and nut, the one end 101 of the first new corner wooden beam 100 is connected to the corner wooden beam extension fitting 102. Connect to.
[0023]
Then, as shown in FIG. 5, the corner top purlin receiving connection portion 103 of the corner beam extension metal fitting 102 is assigned to the receiving portion 7 of the corner top purlin receiver 4 on the extension portion side, and the through hole 7a of the receiving portion 7 and the corner top purlin By fastening the through hole 103 a of the receiving connection portion 103 with the fastener 60, the corner beam extension metal fitting 102 is fixed to the corner top purlin support 4 on the extension portion side.
[0024]
2 and 3, one end 101 of the first new corner wooden beam 100 is connected to the upper end 3 of the existing dormitory bundle 2, and the first new corner wooden beam 100 is connected to the existing corner wooden beam 1. It is installed on the extension, that is, as shown in FIG. 1, the existing corner wooden beam 1 is extended toward the end of the new large building on the extension part side.
[0025]
In the present embodiment, one end 101 of the first new corner beam 100 and the corner beam connection portion 105 of the corner beam extension fitting 102 are connected by bolting at the construction site, but the present invention is not limited to this. In addition, one end 101 of the first new corner beam 100 and the corner beam connection portion 105 of the corner beam extension fitting 102 may be connected in advance at the factory by welding. Thereby, the work at the construction site can be reduced.
[0026]
Further, in the present embodiment, the existing hut set is a truss hut set. However, as shown in FIG. 7, the same applies to the case where the existing shed set is a Japanese hut set. Use to connect one end 101 of the first new corner beam 100 to the upper end 3 of the existing dormitory bundle 2.
[0027]
2ndly, as shown in FIG. 1, the 2nd new corner wooden beam 200 is installed in the boundary of the existing hut set and the new shed set of an extension part. As shown in FIG. 8, the second new corner beam 200 is installed on the top purlin support 10 provided at the upper end 9 of the existing climbing beam true bundle 8 which is a vertical member below the middle part of the existing large building. This is done by connecting one end 202 of the second new corner beam 200 using 201.
[0028]
As shown in FIG. 8, the existing climbing beam true bundle 8 has the same configuration as the existing dormitory bundle 2 shown in FIG. 3, and the upper beam connecting portion 11 is provided at the upper end portion 9 and the large beam connecting portion is provided at the lower end portion. It has been.
[0029]
As shown in FIG. 9, the top purlin receptacle 10 has the same configuration as the corner top purlin receptacle 4 shown in FIG. 3, and the receiving portion 12 that receives the purlin penetrates the purlin to fix the purlin to the top purlin receptacle 10. A hole 12a is formed.
[0030]
As shown in FIG. 10, the second new corner wooden beam 200 has the same configuration as the existing corner wooden beam 1 shown in FIG. 3, and has a pair of through holes 200 a at both ends.
[0031]
As shown in FIG. 10, the corner beam mounting bracket 201 includes a flat portion 203 in which a through-hole 203 a is formed, a rising portion 204 that rises substantially perpendicularly from one edge of the flat portion 203, and the rising portion 204. A corner wooden beam connecting portion 205 rising from the back side at a rising angle substantially equal to the rising angle θ of the existing corner wooden beam 1 (hereinafter referred to as “rising angle θ”), and upward from an edge substantially orthogonal to one edge of the flat portion 203 And a top purlin receiving connection portion 206 that rises at the top.
[0032]
As shown in FIG. 11, the flat portion 203 has a substantially rectangular shape, and the through hole 203 a is formed at a position that substantially coincides with the through hole 13 a of the top portion 13 of the existing climbing beam true bundle 8.
[0033]
As described above, the rising portion 204 rises from one edge of the flat portion 203 upward at a substantially right angle, and the edge of the top purlin receiving connection portion 206 is fixed to the side surface of the flat portion 203 to reinforce the corner beam mounting bracket 201. ing.
[0034]
The length and the like of the corner wood beam connecting portion 205 are not particularly limited, but the thickness thereof is substantially equal to the gap between the two C-shaped steels 5 of the second new corner wood beam 200. Further, the two through holes 205a have a rising angle α with respect to the horizontal direction as a line connecting the centers thereof, and the distance between the two through holes 205a is substantially equal to the pair of through holes 200a in the one end portion 202 of the second new corner beam 200. It is drilled at the position. Furthermore, in plan view, as shown in FIG. 11, it is fixed to the top purlin receiving connection portion 206 on the back side surface of the flat portion 203 of the rising portion 204 at an angle of approximately 135 ° with the rising portion 204. Accordingly, as shown in FIG. 12, when the top purlin receiving connection portion 206 is fixed to the receiving portion 12 of the top purlin receiving 10, the corner beam connecting portion 205 is positioned on an axis of 45 ° with respect to the existing large building direction. It will be.
[0035]
As shown in FIG. 11, the length of the top purlin receptacle connecting part 206 is not particularly limited, but the height is substantially equal to the height of the receptacle 12 of the top purlin receptacle 10. Further, the through hole 206a has a height position substantially coincident with the through hole 12a of the receiving portion 12 when the top purlin receiving connection portion 206 is applied to the receiving portion 12 of the top purlin receiver 10, and the corner beam connecting portion 205 is provided. Is drilled so as to be located on the axis of 45 ° with respect to the direction of the existing building from the center of the top 13 of the existing climbing beam true bundle 8 (see FIG. 12).
[0036]
Hereinafter, the connection of the one end 202 of the second new corner beam 200 to the upper end 9 of the existing climbing beam true bundle 8 will be described. First, as shown in FIG. 10, the corner wood beam connecting portion 205 of the corner wood beam installation bracket 201 is inserted between the two C-shaped steels 5 constituting the second new corner wood beam 200, and The through hole 200a of the one end 202 and the through hole 205a of the corner beam connecting portion 205 are fastened by the fastener 60, whereby the one end 202 of the second new corner beam 200 is connected to the corner tree beam mounting bracket 201.
[0037]
Then, as shown in FIG. 11, the flat portion 203 of the corner beam mounting bracket 201 is placed on the top portion 13 of the existing climbing beam true bundle 8, and the through hole 13 a of the top portion 13 of the existing climbing beam true bundle 8 and the through hole 203 a of the flat portion 203. Are fastened with the fasteners 60, and the top purlin receiving connection portion 206 of the corner beam mounting bracket 201 is assigned to the receiving portion 12 of the top purlin receiver 10 on the extension portion side, and the receiving portion of the top purlin receiver 10 on the extension portion side 12 and the through hole 206a of the top purlin receiving connection portion 206 are fastened by the fastener 60, and the corner beam installation metal fitting 201 is fixed to the upper end portion 9 of the existing climbing beam true bundle 8, thereby FIG. As shown, the one end 202 of the second new corner wooden beam 200 is connected to the upper end 9 of the existing climbing beam true bundle 8.
[0038]
As described above, as shown in FIG. 8, one end 202 of the second new corner beam 200 is connected to the upper end 9 of the existing climbing beam true bundle 8, and the second is formed at the boundary between the existing hut group and the new shed group of the extension section. A new corner tree beam 200 is installed (see FIG. 1).
[0039]
In the present embodiment, one end 202 of the second new corner beam 200 and the corner beam connection portion 205 of the corner beam installation bracket 201 are connected by bolting at the construction site, but the present invention is not limited to this. In addition, one end 202 of the second new corner beam 200 and the corner beam connection portion 205 of the corner beam installation bracket 201 may be connected in advance at the factory by welding. Thereby, the work at the construction site can be reduced.
[0040]
In the present embodiment, the existing hut assembly is a truss hut assembly. However, as shown in FIG. 13, the existing hut assembly is the same as the Japanese hut assembly, and the corner wooden beam installation bracket 201 is used. One end 202 of the second new corner beam 200 is connected to the upper end 9 of the existing climbing beam true bundle 8.
[0041]
Thirdly, as shown in FIG. 1, the existing climbing beam (truss) 14 installed in the middle part of the existing large building is extended toward the end of the new large building on the extension side. As shown in FIG. 14, the extension of the existing climbing beam (truss) 14 is the same as that of the existing climbing beam (truss) true bundle 15 installed between the existing building bundle 2 and the existing climbing beam true bundle 8 shown in FIG. One end 301 of the new climbing beam 300 is fixed to the upper end portion 16 using the climbing beam extension fitting 302, and a new climbing beam bundle 303 is provided between the existing climbing beam (truss) 17 on the extension portion side and the new climbing beam 300. Is installed by using the climbing beam bundle connection fitting 304.
[0042]
As shown in FIG. 14, the existing climbing beam (truss) 14 and the existing climbing beam (truss) 17 on the side of the extension part are fastened with two C-shaped steels 54 by bolting, and the openings are directed outward. A gap having a desired interval is secured, and supported by the existing climbing beam (truss) true bundle 15 and the existing climbing beam bundle 18 so as to descend obliquely downward from the existing large building toward the end of the existing large beam. ing.
[0043]
In addition, a top purlin support 19 having a substantially L-shaped cross section is provided at the upper end portion 16 of the existing climbing beam (truss) bunch 15, and the upper surfaces of the existing climbing beam (truss) 14 and the existing climbing beam (truss) 17 on the extension portion side. Are respectively provided with a main building receiver 20 having a substantially L-shaped cross section. Further, through holes 21a and 16a for fixing the purlin are respectively drilled in the receiving portions 21 and 16 for receiving the purlin (see FIG. 21 or FIG. 23).
[0044]
As shown in FIG. 14, the new climbing beam 300 has the same configuration as that of the existing climbing beam (truss) 14 and the existing climbing beam (truss) 17 on the extension portion side, and climbing beam extension brackets at a predetermined interval. A through hole 300a for connecting to 302 or a new climbing beam bundle 303 is formed (see FIG. 23).
[0045]
As shown in FIG. 15, the climbing beam extension fitting 302 has a substantially rectangular top purlin receiving connection portion 305 having through holes 305a formed at both ends and a substantially rectangular shape having through holes 306a formed at both ends. A rising angle (hereinafter referred to as “rising”) that is substantially equal to the angle α formed by the large beam and the existing climbing beam (truss) 14 shown in FIG. Two through-holes at the end facing the top purlin receiving connection 305 and rising at an angle α ”) 307a , And a reinforcing part 308 that connects the top purlin receiving connection part 305 and the flat part 306.
[0046]
As shown in FIG. 16 or FIG. 17, the length of the top purlin receiving connection portion 305 is substantially equal to the length of the receiving portion 21 of the top purlin receiving portion 19, and the through hole 305 a has the top purlin receiving connection portion 305 as the top purlin. It is drilled at a position substantially coincident with the through hole 21 a of the top purlin receptacle 19 when it is applied to the receptacle 21 of the receptacle 19.
[0047]
The flat portion 306 has a length substantially equal to the length of the top purlin receiving connection portion 305, and the through-hole 306a is formed by using the existing climbing beam (when the top purlin receiving connection portion 305 is applied to the receiving portion 21 of the top purlin receiving portion 19). The truss) is drilled at a position substantially coinciding with the through hole 23a drilled in the top 23 of the true bundle 15.
[0048]
The length of the climbing beam connecting portion 307 is not particularly limited, but the thickness is substantially equal to the gap between the two C-shaped steels 5 of the new climbing beam 300, and two through holes 307a Is formed at a position where the line connecting the centers forms a rising angle α with respect to the horizontal direction and the interval is substantially equal to the through hole 300a of the new climbing beam 300. As a result, when the climbing beam extension fitting 302 is fixed to the existing climbing beam (truss) true bundle 15, the climbing beam connecting portion 307 is positioned on the extension of the existing climbing beam (truss) 14.
[0049]
The reinforcing portion 308 has one end fixed to the edge of the top purlin receiving connection portion 305 and the lower end fixed to the end edge of the flat portion 306, whereby the top purlin receiving connection portion 305 and the flat portion 306 are connected to each other. The top purlin receiving connection portion 305 and the flat portion 306 are connected while securing a gap 309 therebetween.
[0050]
As shown in FIG. 18, the new climbing beam bundle 303 has the same configuration as that of the existing climbing beam bundle 18, and the new climbing beam connecting portion 310 having a through hole 310a drilled in the upper end portion is provided at the lower end. The climbing beam bundle connection fitting 304 is provided in the part. The two through-holes 310a of the new climbing beam connecting portion 310 have positions where the line connecting the centers forms a rising angle α with respect to the horizontal direction and the interval is substantially equal to the through-hole 300a of the new climbing beam 300. (See FIG. 23).
[0051]
As shown in FIG. 18, the climbing beam bundle fitting 304 has a substantially rectangular installation part 311 and a predetermined rising angle at the upper surface of the installation part 311 substantially parallel to the longitudinal direction of the installation part 311 and at the center in the width direction. The climbing beam bundle connecting portion 312 installed at β is projected on the lower surface of the installation portion 311 so as to be substantially parallel to the longitudinal direction of the installation portion 311 and about 90 ° in the center in the width direction. And an existing climbing beam connecting portion 313 having a through-hole 313a formed at an end facing the main body, and a purlin receiver having a through-hole 314a formed at both ends thereof. The connecting portion 314 includes a reinforcing portion 315 that rises from both side edges of the installation portion 311 at approximately 90 ° and has the side edges of the purlin receiving connection portion 314 fixed to one end.
[0052]
As shown in FIG. 19 or FIG. 20, the installation part 311 is installed on the upper surface of the existing climbing beam (truss) 17 on the extension part side, and its width is substantially equal to the width of the receiving part 22 of the main building receiver 20. The length is shorter than the installation interval of the purlin receptacle 20. Further, the unevenness adjusting portion 316 having a thickness substantially equal to the thickness of the purlin receptacle 20 is provided on the lower surface of the end portion facing the purlin receptacle connection portion 314.
[0053]
The climbing beam bundle connection portion 312 is for connecting the lower end portion of the new climbing beam bundle 303 to the climbing beam bundle connection fitting 304, and is a reinforcement for reinforcing the climbing beam bundle connection portion 312 at the center of one side surface thereof. Ribs 317 are provided. The position of the climbing beam bundle connecting portion 312 in the length direction is such that the new climbing beam bundle 303 becomes the existing climbing beam bundle when the climbing beam bundle connecting bracket 304 is installed on the existing climbing beam (truss) 17 on the extension portion side. 18 It is a position that is directly above. Further, the rising beam β is 90 °, and the angle α formed by the large beam 11 and the existing climbing beam (truss) 14 shown in FIG. ) When installed at 17, the climbing beam bundle connecting portion 312 is erected vertically on the existing climbing beam (truss) 17 on the extension portion side. As a result, the new climbing beam bundle 303 connected to the climbing beam bundle connecting portion 312 can be converted into the existing climbing beam bundle simply by fixing the climbing beam bundle connecting bracket 304 to the existing climbing beam (truss) 17 on the extension portion side. 18 It will be erected vertically right above.
[0054]
In the present embodiment, the connection between the new climbing beam bundle 303 and the climbing beam bundle connecting portion 312 is performed by welding. However, the present invention is not limited to this. It is also possible to form a through hole in the upper end portion of each of the first and second climbing beam bundle connecting portions 312 and connect the new climbing beam bundle 303 to the climbing beam bundle connecting portion 312 by bolting.
[0055]
The existing climbing beam connecting portion 313 is for installing the climbing beam bundle connecting bracket 304 on the existing climbing beam (truss) 17 on the extension portion side, and the thickness thereof is the existing climbing beam (truss) 17 on the extension portion side. The gap between the two C-shaped steels 5 is approximately equal to the length of the web of the C-shaped steel 5.
[0056]
The purlin receptacle connecting portion 314 is fixed to the receptacle portion 22 of the purlin receptacle 20 and fixes the climbing beam bundle fitting 304 to the existing climbing beam (truss) 17 on the extension portion side. The width of the receiving portion 22 is substantially equal to the height thereof, and the height thereof is substantially equal to the height of the receiving portion 22 of the purlin receiver 20. The through hole 314a is formed at a position substantially coincident with the through hole 22a of the receiving part 22 of the purlin receiver 20 when the installation part 311 is placed on the upper surface of the existing climbing beam (truss) 17 on the extension part side. .
[0057]
The reinforcing portion 315 is intended to reinforce the climbing beam bundle connection fitting 304, and a part of the edge that contacts the lower corner portion so that water does not accumulate in the lower corner portion of the installation portion 311 toward the purlin receiving connection portion 314. The water drainage part 318 is provided by cutting out the.
[0058]
The end of the new climbing beam 300 301 The connection of the existing climbing beam (truss) true bundle 15 to the upper end portion 16 will be described. First, as shown in FIG. 21, the climbing beam connecting portion 307 of the climbing beam extension bracket 302 is inserted between the two C-shaped steels 5 constituting the new climbing beam 300, and one end portion 301 of the new climbing beam 300 is formed. Through hole of climbing beam connecting portion 307 of through hole 300a and climbing beam extension fitting 302 307a Are fastened with a fastener 60 composed of bolts and nuts, whereby one end 301 of the new climbing beam 300 is connected to the climbing beam extension fitting 302.
[0059]
Then, the top purlin support 19 on the extension portion side is fitted into the gap 309 of the climbing beam extension fitting 302, and the top purlin receiving connection portion 305 of the climbing beam extension fitting 302 is applied to the receiving portion 21 of the top purlin receptacle 19 on the extension portion side. The through hole of the receiving part 21 21a And the through hole 305a of the top purlin receiving connection part 305 are fastened by the fastener 60, and the flat part 306 of the climbing beam extension fitting 302 is placed on the top part 23 of the existing climbing beam (truss) true bundle 15, By fastening the through hole 23a and the through hole 306a of the flat portion 306 with the fastener 60, the climbing beam extension fitting 302 is attached to the top purlin support 19 on the extension portion side and the top portion 23 of the existing climbing beam (truss) true bundle 15. Fix it. Accordingly, as shown in FIGS. 16 and 17, one end 301 of the new climbing beam 300 is connected to the upper end 16 of the existing climbing beam (truss) true bundle 15, and on the extension of the existing climbing beam (truss) 14. Will be located.
[0060]
Next, installation of the new climbing beam bundle 303 on the existing climbing beam (truss) 17 on the extension part side will be described. First, as shown in FIG. 22, the existing climbing beam connecting portion 313 of the climbing beam bundle connection fitting 304 is inserted between the two C-shaped steels 5 of the existing climbing beam (truss) 17 on the extension portion side, and the climbing beam bundle is inserted. The installation part 311 of the connection fitting 304 is placed on the upper surface of the existing climbing beam (truss) 17 on the extension part side, and the protrusion of the existing climbing beam connection part 313 protruding from the lower surface of the existing climbing beam (truss) 17 on the extension part side Two folded plates 319 each having a through-hole 319a drilled on both sides of the portion are respectively attached, and the through-hole 319a of each plate 19 and the through-hole 313a of the existing climbing beam connecting portion 313 are connected by a fastener 60. By fastening, the climbing beam bundle connection fitting 304 is installed on the upper surface of the existing climbing beam (truss) 17 on the extension portion side.
[0061]
Further, as shown in FIG. 23, the purlin receiving connection portion 314 of the climbing beam bundle connection fitting 304 is applied to the receiving portion 22 of the purlin receiving portion 20 near the existing climbing beam bundle 18, and the through holes 314a of the purlin receiving connection portion 314 are received. By fastening the through hole 22a of the portion 22 with the fastener 60 and fixing the purlin support connection portion 314 to the purlin support 20, the upper surface of the existing climbing beam (truss) 17 on the extension portion side Secure to. Accordingly, as shown in FIGS. 19 and 20, the climbing beam bundle connection fitting 304 is fixed to the existing climbing beam (truss) 17 on the extension portion side.
[0062]
Then, as shown in FIG. 23, the new climbing beam connecting portion 310 is inserted between the two C-shaped steels 5 of the new climbing beam 5, and the through hole 300a of the new climbing beam 300 and the new climbing beam connecting portion 310 are penetrated. The new climbing beam connecting portion 310 is connected to the new climbing beam 300 by fastening the hole 310a with a fastener (not shown). Thereby, as shown in FIG. 19, the new climbing beam bundle 303 stands vertically above the existing climbing beam bundle 18.
[0063]
As described above, as shown in FIG. 14, the new climbing beam bundle 303 supports the new climbing beam 300 by standing vertically between the existing climbing beam (truss) 17 on the extension portion side and the new climbing beam 300. The new climbing beam 300 is installed on the extension of the existing climbing beam (truss) 14 at the rising angle α. That is, as shown in FIG. It is extended toward the end.
[0064]
As shown in FIG. 24, for the convenience of design, the new climbing beam bundle 303 is replaced with the existing climbing beam bundle. 18 In the case of being provided by being shifted from directly above, the climbing beam bundle connection fitting 320 having the purlin receiving connection portion 314 provided at the other end of the installation portion 311 is used. 320 By fixing the purlin support connection portion 314 to the purlin support 20, the new climbing beam bundle 303 is installed on the existing climbing beam (truss) 17 on the extension portion side.
[0065]
Furthermore, in the present embodiment, the new climbing beam bundle 303 is one C-shaped steel 5, but it is also possible to form two C-shaped steels 5 in the same manner as the existing climbing beam bundle 7. In the climbing beam bundle connecting bracket 330 in this case, as shown in FIG. 25, the length of the installation portion 311 is substantially equal to the installation interval of the purlin receptacle 20, and the purlin receptacle connection portions 314 are provided at both ends of the installation portion 311. Yes.
[0066]
As shown in FIG. 26, the climbing beam bundle connection fitting 330 and the existing climbing beam (truss) 17 on the side of the extension part are inserted between the two purlin supports 20, as shown in FIG. This is performed by fastening the receiving portion 22 of each purlin receptacle 20 and each purlin receptacle connecting portion 314 with the fastener 60. The new climbing beam bundle 303 and the climbing beam bundle connection fitting 330 are connected by forming through holes in the lower end portion of the new climbing beam bundle 303 and the upper end portion of the climbing beam bundle connection portion 312 respectively. Fasteners with holes 60 It is done by fastening with.
[0067]
Furthermore, in the embodiment of the present invention, the hut set of the existing house is a truss hut set. However, as shown in FIG. 27, the same applies when the existing hut set is a Japanese hut set. Beam extension bracket 302 Is used to connect one end portion 301 of the new climbing beam 300 to the upper end portion 16 of the existing climbing beam (truss) true bundle 15, and the new climbing beam bundle 303 is connected to the existing climbing portion side using the climbing beam bundle connection fitting 304. It is set up vertically between the beam (truss) 17 and the new climbing beam 300.
[0068]
Fourth, as shown in FIG. 14, the new dormitory bundle 400 is erected vertically on the existing climbing beam (truss) 17 on the extension portion side. In the standing of the new dormitory bundle 400, the lower end portion of the new berth bundle 400 is fixed to the main building support 20 installed on the existing climbing beam (truss) 17 on the extension portion side using the climbing beam bundle connecting bracket 304. By doing.
[0069]
The new berth bundle 400 has the same configuration as the existing berth bundle 2 shown in FIG. 3, and is formed by fastening two C-shaped steels 5 with bolts so that the opening faces outward, The top purlin receiver 19 and the beam connecting bracket 401 are provided at the part, and the climbing beam bundle connecting bracket 304 is provided at the lower end.
[0070]
The other end of the first new corner wooden beam 100, the other end of the second new corner wooden beam 200, and the other end of the new climbing beam 300 are connected to the beam connecting bracket 401 of the new berth bundle 400. This connection is performed by the same procedure as described above. That is, the corner wooden beam connecting portion of the beam connecting bracket 401 is inserted between the two C-shaped steels 5 constituting the first new corner wooden beam 100, and the new corner wooden beam 100 is inserted. The two other C-shaped steel 5 constituting the second new corner beam 200 and the other end portion of the new corner beam 100 are connected to the beam connection bracket 401 by bolting the other end of the beam and the beam connection bracket 401. The other end portion of the second new corner beam 200 is inserted by inserting the corner beam connection portion of the beam connection bracket 401 and bolting the other end portion of the second new corner beam 200 and the beam connection bracket 401. Are connected to the beam connecting bracket 401, and the climbing beam connecting portion of the beam connecting bracket 401 is inserted between the two C-shaped steels 5 constituting the new climbing beam 300, so that the new climbing beam 300 and the beam connecting bracket 401 are (Fig. 1) Reference).
[0071]
As a result, as shown in FIG. 2 The new climbing beam 300 is installed between the existing climbing beam (truss) true bundle 15 and the new building bundle 400, and the existing corner wooden beam. 1 And the existing climbing beam (truss) 14 is extended to the extension part side corresponding to the hut assembly after the extension, and the second new corner wooden beam 200 is installed between the existing climbing beam true bundle 8 and the new dormitory bundle 400. Is done.
[0072]
Fifth, as shown in FIG. 1 or FIG. 28, a new valley tree beam 500 is installed in a valley portion that occurs at the boundary between the existing cabin group and the new cabin group of the extension unit. As shown in FIG. 29, the installation of the new valley tree beam 500 intersects the valley and the existing climbing beam 24 on the extension side. Intersection The trough beam mounting bracket 504 is fixed to the first end of the first trough beam 501 with the one end 505 of the trough beam mounting bracket 504. 1st valley beam connection 506, and connecting one end 507 of the second new valley beam 502 to the second valley beam connection portion 508 of the valley beam installation bracket 504.
[0073]
As shown in FIG. 28, the existing climbing beam 24 on the extension part side has the same configuration as the existing climbing beam (truss) 14 and the existing climbing beam (truss) 17 shown in FIG.
[0074]
The new valley tree beam 500 has a first new valley tree beam 501 and a second new valley tree beam 502, and has the same configuration as the first existing corner tree beam 100 shown in FIG. 3, and a pair of through-holes at both ends. 500a is drilled (see FIG. 33).
[0075]
As shown in FIG. 30 or FIG. 31, the trough beam mounting bracket 504 protrudes from the installation portion 509 having a substantially H-shaped cross section, and a central portion in the width direction of the bottom surface of the web plate 510 of the installation portion 509, The climbing beam connecting portion 511 having through holes 511a formed at opposite ends and the one end portion of the web plate 510 of the installation portion 509 are raised at about 90 °, and through holes 512a are formed at both end portions thereof. The main trough receiving connection part 512, the first valley wooden beam connection part 506 rising from the outer surface of one flange plate 513F of the installation part 509 at a rising angle substantially equal to the rising angle θ of the existing corner wooden beam 1 shown in FIG. 509 has a second trough beam connecting portion 508 installed on the extension of the first trough beam connecting portion 506 of the other flange plate 513S.
[0076]
The length of the web plate 510 of the installation part 509 is shorter than the installation interval of the purlin receiver 25, and the width thereof is substantially equal to the width of the reception part 26 of the purlin receiver. In addition, an unevenness adjusting portion 514 having a thickness substantially equal to the thickness of the purlin receiver 25 is provided on the lower surface of the other end portion. Further, the flange plates 513F and 513S of the installation portion 509 are drained by cutting out a part of the edge in contact with the lower corner portion so that water does not collect in the lower corner portion of the web plate 510 toward the purlin receiving connection portion 512. A portion 515 is provided.
[0077]
The thickness of the climbing beam connecting portion 511 is substantially equal to the gap between the two C-shaped steels 5 of the existing climbing beam 24 on the extension portion side, and the length thereof is longer than the length of the web of the C-shaped steel 5.
[0078]
The length of the purlin receiving connection portion 512 is substantially equal to the length of the receiving portion 26 of the purlin receiving portion 25, and the through hole 512a is formed when the valley beam mounting bracket 504 is placed on the existing climbing beam 24 on the extension portion side. It is drilled at a position substantially coinciding with the through hole 26a of the receiving portion 26 of the receiving 25 (see FIG. 32). Note that the purlin receptacle 25 has the same configuration as the purlin receptacle 20 (see FIG. 23).
[0079]
As shown in FIG. 29, the length of the first trough beam connecting portion 506 is not particularly limited, but its thickness is substantially equal to the gap between the two C-shaped steels 5 of the new trough beam 500. Yes. In plan view, it is fixed to the flange plate 513F of the installation portion 509 at an angle of approximately 45 °. Accordingly, when the installation portion 509 is installed on the existing climbing beam 24 on the extension portion side, the first valley beam connection portion 506 is positioned on the 45 ° axis with respect to the existing climbing beam 24 on the extension portion side. Further, the two through-holes 506a are formed at positions where the line connecting the centers forms a rising angle θ with respect to the horizontal direction and the interval is substantially equal to the pair of through-holes 500a of the new valley beam 500. (See FIG. 33).
[0080]
As shown in FIG. 31, the second trough beam connecting portion 508 has the same configuration as that of the first trough beam connecting portion 506, and the two through holes 508 a have a line connecting the centers of the first trough beam connecting portion 506. It is drilled on the extension of the line connecting the centers of the through holes 506a.
[0081]
Hereinafter, the installation of the new valley tree beam 500 in the valley will be described. First, as shown in FIG. 31, the climbing beam connecting portion 511 of the valley beam installation bracket 504 is inserted between the two C-shaped steels 5 of the existing climbing beam 24 on the extension portion side, and the installation portion 509 of the valley beam installation bracket 504 is inserted. Two through-holes 516a are formed on both sides of the protruding portion of the climbing beam connecting portion 511 that is placed on the upper surface of the existing climbing beam 24 on the extension portion side and protrudes from the lower surface of the existing climbing beam 24 on the extension portion side. Each of the folded plates 516 is assigned, and the through-hole 516a of each plate 516 and the through-hole 511a of the climbing beam connecting portion 511 are fastened by the fastener 60, whereby the trough beam mounting bracket 504 is attached to the existing climbing beam 24 on the extension portion side. Install it on the top surface.
[0082]
Further, as shown in FIG. 32, the purlin receptacle connecting portion 512 of the trough beam mounting bracket 504 is assigned to the receiving portion 26 of the purlin receptacle 25, and the through hole 512a of the purlin receptacle connecting portion 512 and the through hole of the receiving portion 26 of the purlin receptacle 25 26a is fastened with the fastener 60 and the purlin support connection portion 512 is fixed to the purlin support 25, thereby fixing the trough beam installation bracket 504 to the upper surface of the existing climbing beam 24 on the extension portion side.
[0083]
Next, as shown in FIG. 33, one end of the first new trough beam 501 is inserted by inserting the first trough beam connecting portion 506 of the trough beam mounting bracket 504 into the gap between the two C-shaped steels 5 constituting the first new trough beam 501. Through hole of portion 505 500a And the through hole 506a of the first trough beam connecting portion 506 of the trough beam mounting bracket 504 are fastened by the fastener 60, thereby connecting the one end portion 505 of the first new trough beam mounting member 501 to the trough beam mounting bracket 504. Thus, as shown in FIG. 34, the first new valley beam 501 is Intersection To the end of the second new corner wood beam 200 (see FIG. 1).
[0084]
Similarly, as shown in FIG. 33, in the same way as the first new valley beam 501, the second valley beam connection portion 508 of the valley beam installation bracket 504 is inserted into the gap between the two C-shaped steels 5 constituting the second new valley beam 502. Then, by fastening the through hole 502a of the one end 507 of the second new valley beam 502 and the through hole 508a of the second valley beam connection portion 508 of the valley beam mounting bracket 504 with the fastener 60, one end of the second new valley beam 502 is obtained. The part 507 is connected to the trough beam mounting bracket 504. As a result, as shown in FIG. Intersection It is installed toward the corner of the eaves. Therefore, the new valley tree beam 500 is Intersection Will be installed.
[0085]
Next, as shown in FIG. 9, it installed in the existing climbing beam true bundle 8 which connects the 2nd new corner wooden beam 200. Corner beam installation bracket 201 No tani beam connection 518 To the other end 517 of the first new valley beam 501. As described above, this connection is made in the gap between the two C-shaped steels 5 of the first new valley beam 501. Corner beam installation bracket 201 No tani beam connection 518 And insert the other end of the first new valley beam 501 519 When Corner beam installation bracket 201 No tani beam connection 518 By fastening with the fastener 60.
[0086]
As described above, as shown in FIG. 1, the new valley tree beam 500 is installed in the valley portion.
[0087]
In this embodiment, the purlin support connection portion 512 is provided at one end of the installation portion 509. However, as shown in FIG. 36, depending on the design, the purlin support is provided at the other end of the installation portion 509. The trough beam installation bracket 520 provided with the connection part 512 is used.
[0088]
In the present embodiment, the existing hut assembly is a truss hut assembly. However, as shown in FIG. 37, the same applies to the case where the existing hut assembly is a Japanese hut assembly. Corner beam installation bracket 201 The first new trough beams 501 and the second new trough beams 502 are installed in the troughs.
[0089]
Furthermore, if it is necessary for the design, as shown in FIG. Intersection A new climbing beam 550 is installed in parallel with the existing large building toward the second new corner beam 200. The installation of this new climbing beam 550 is shown in FIG. Tanigi beam installation bracket 551. The new climbing beam 550 has the same configuration as the existing climbing beam 24 on the extension portion side shown in FIG.
[0090]
Tanigi beam installation bracket 551 As shown in FIG. 39, this is the same configuration as the trough beam mounting bracket 504 shown in FIG. A new climbing beam connecting portion 552 that rises at a rising angle substantially equal to the rising angle α (see FIG. 28) of the existing climbing beam 24 on the part side is provided.
[0091]
As shown in FIG. 39 or 40, the new climbing beam connecting portion 552 has the same configuration as the first valley beam connecting portion 506 and the second valley beam connecting portion 508, and in plan view, the flange plate of the installation portion 509 It is fixed at an angle of approximately 90 ° with 513F. Thereby, when the installation part 509 is installed in the existing climbing beam 24 on the extension part side, the new climbing beam connecting part 552 Will be approximately 90 ° with respect to the existing climbing beam 24 on the side of the extension.
[0092]
New climbing beam 550 Intersection To connect to the trough, first install the trough beams using the same procedure as above. 551 Is fixed to the existing climbing beam 24 on the extension portion side, and one end portion 553 of the new climbing beam 550 is attached to the trough wooden beam installation bracket in the same procedure as the first new trough beam 501 and the second new trough beam 502. 551 The new climbing beam connecting portion 552 is connected by bolting (see FIG. 33). Thus, as shown in FIGS. 40 and 41, the new climbing beam 550 is Intersection To the second new corner wood beam 200 (see FIG. 38).
[0093]
Next, although not shown in the drawing, the other end of the new climbing beam 550 is connected by bolting the other end of the new climbing beam 550 to a beam connecting bracket installed at a predetermined position of the second new corner beam 200. Is connected to the second new corner beam 200. Accordingly, as shown in FIG. 38, the new climbing beam 550 is installed between the second new corner wooden beam 200 and the new valley wooden beam 500 substantially in parallel with the existing large building.
[0094]
Sixthly, as shown in FIG. 42, the installation direction of the purlin on the extension part side of the existing house is changed by approximately 90 °, and the new purlin of the extension part is arranged on substantially the same plane as the existing purlin of the existing house. First, the new eaves purlin 600 of the extension part is arranged on substantially the same plane as the existing eaves purlin 29 of the existing house. Specifically, as shown in FIG. 43, the eaves main building installed at the tip of the existing eaves beam 31 provided at the eaves of the existing corner beam 30 (not shown) located at the boundary between the existing house and the extension part. The new eaves purlin 600 is installed on the extension of the existing eaves purlin 29 by fixing the eaves purlin extension bracket 601 to the receiving bracket 32 and connecting the end 602 of the new eaves purlin 600 to the eaves purlin receiving bracket 601. It should be noted that the existing corner wooden beam 30 and the existing eaves beam 31 shown in each embodiment have the same configuration as the existing corner wooden beam 1 shown in FIG. 3, and are obtained by fastening two C-shaped steels by bolting. Thus, it is provided so as to be taken out in the direction of 45 ° from the end of the existing large building toward the corner of the eaves (see FIG. 42).
[0095]
As shown in FIG. 44, the existing eaves purlin 29 is a long timber with its tip formed in a predetermined shape, and the end is bolt nuts to the eaves purlin bracket 32 provided at the tip of the existing eaves beam 31. It is installed on the existing eaves beam 31 by being fastened and fixed by a fastener 60 composed of FIG. reference).
[0096]
As shown in FIG. 44, the eaves purlin bracket 32 is bent at an angle of approximately 90 ° at the center, and has a chevron plate 33 with through holes 33a formed at both ends, and a bend of the chevron plate 33. A connection plate 35 having a substantially rectangular shape with one edge fixed to the corner of the portion 34 is provided. The eaves purlin bracket 32 is fixed to the existing eaves beam 31 by inserting the other end of the connection plate 35 from the tip of the existing eaves beam 31 between the two C-shaped steels of the existing eaves beam 31. Is fixed to the tip of the existing eaves beam 31 by bolting.
[0097]
As shown in FIG. 43, the existing eaves purlin 29 is fixed to the eaves purlin bracket 32 so that the front end of the existing eaves purlin 29 and the front end of the existing eaves purlin 36 on the extension part side substantially coincide with each other. The end of the existing eaves purlin 29 and the end of the existing eaves purlin 36 on the extension portion side are respectively assigned to both outer side surfaces of the angle plate 33 of the metal fitting 32, and are fastened and fixed by a fastener 60. As a result, the existing eaves purlin 29 and the existing eaves purlin 36 on the extension part side are arranged on the same surface and at the tip of the existing eaves beam 31 at an angle of approximately 90 °.
[0098]
The new eaves purlin 600 is a long timber timber whose tip is formed in a predetermined shape, similar to the existing eaves purlin 29 shown in FIG. 44, and a through hole 602a is formed in the end 602 ( Figure 46 reference).
[0099]
As shown in FIG. 44, the eaves purlin extension metal fitting 601 is bent so that an angle of about 90 ° is formed by twisting one plate having through holes 603a and 604a at both ends at the center. One of them is an eaves purlin receiving connection portion 603 and the other is an eaves purlin connection portion 604.
[0100]
As shown in FIG. 45, the eaves purlin extension fitting 601 is fixed to the eaves purlin extension fitting 601 on the side of the extension portion of the mountain plate 33 of the eaves purlin extension fitting 601 as shown in FIG. The side of 603 is fitted so that the bent portion 34 of the eaves purlin bracket 32 and the bent portion 605 of the eaves purlin extension bracket 601 are substantially matched, and the through hole 33a of the angle plate 33 of the eaves purlin bracket 32 and the eaves purlin This is performed by fastening the through-hole 603 a of the eaves purlin receiving connection portion 603 of the extension fitting 601 with the fastener 60. As a result, as shown in FIG. 45, the eaves purlin connecting portion 604 of the eaves purlin extension bracket 601 and the side surface of the angled plate 33 of the eaves purlin support bracket 32 on the existing eaves purlin 29 side are substantially flush with each other. Placed in.
[0101]
As shown in FIG. 46, the end 602 of the new eaves purlin 600 is connected to the eaves purlin extension 601 after the eaves purlin extension 601 is fixed to the eaves purlin support bracket 32, and then the tip of the existing eaves purlin 29 is newly connected. The end 602 of the new eaves purlin 600 is applied to the eaves purlin connecting portion 604 of the eaves purlin extension 601 so that the front end of the eaves purlin 600 substantially matches the through hole 602a of the end 602 of the new eaves purlin 600. This is performed by fastening the through hole 604 a of the eaves purlin extension 601 of the eaves purlin extension 601 with the fastener 60. Accordingly, as shown in FIG. 43, the new eaves purlin 600 is installed on the extension of the existing eaves purlin 29.
[0102]
Thus, as shown in FIG. 42, the installation direction of the main building on the extension part side of the existing house is changed by approximately 90 °, and the new eaves main building 600 is arranged on the same plane as the existing eaves main building 29. This means that the main building 29 has been extended to the extension.
[0103]
Next, as shown in FIG. 42, the new first purlin 610 of the extension part is arranged on the same plane as the existing first purlin 37 of the existing house. Specifically, as shown in FIG. 47, the first purlin extension bracket 611 is fixed to the first purlin support bracket 38 installed at the end of the existing eaves beam 31 toward the existing corner beam 100 (not shown). Then, the new first purlin 610 is installed on the extension of the existing first purlin 37 by connecting the end 612 of the new first purlin 610 to the first purlin extension bracket 611. The new first purlin 610 is a long timber timber, and a through hole 612a is formed in the end 612 ( FIG. reference).
[0104]
The existing first purlin 37 has the same configuration as that of the existing eaves purlin 29, and as shown in FIG. 47, the end 60 is fastened to a first purlin bracket 38 provided at a predetermined position of the existing eaves eaves beam 31. By fastening and fixing with, Existing Eaves Purlin 29 It is installed one step above ( FIG. reference).
[0105]
As shown in FIG. 48, the first purlin bracket 38 has a substantially trapezoidal flat portion 39 whose oblique side forms an angle of approximately 45 ° with respect to the long side, and an angle of approximately 90 ° from the long side of the flat portion 39. And a first purlin receiving portion 40 having a through hole 40a formed at an end thereof. The first purlin bracket 38 is fixed to the existing eaves beam 31 by welding, and the two first purlin brackets 38 are arranged so that each first purlin receiver 40 has a long axis L of the existing eaves beam 31. It is provided on both side surfaces of the existing eaves beam 31 so as to be symmetrical, that is, so that the first purlin support portions 40 form an angle of approximately 90 °.
[0106]
As shown in FIG. 47, the existing first purlin 37 is fixed to the first purlin bracket 38 by bringing the tip of the existing first purlin 37 into contact with the side of the extension portion of the existing eaves beam 31. Is mounted on the flat part 39 of the first purlin bracket 38 and fastened to the first purlin receiver 40 of the first purlin bracket 38 with a fastener 60. As a result, the existing first purlin 37 and the existing first purlin 41 on the extension part side are arranged on the existing eaves beam 31 at an angle of approximately 90 ° on the same plane.
[0107]
As shown in FIG. 49, the first purlin extension bracket 611 includes a substantially trapezoidal lid portion 613 whose oblique side forms an angle of about 45 ° with respect to the long side, and an angle of about 90 ° from the short side of the lid portion 613. And a first purlin receiving / connecting member 615 having a first purlin receiving / connecting portion 614 having a through-hole 614a formed in a lower corner, and an oblique side of the first purlin receiving / connecting member 615 at an angle of approximately 45 ° with respect to the long side. And a first purlin connection portion 617 that rises upward at an angle of about 90 ° from the short side of the bottom portion 616 and has a through hole 617a formed in the upper corner portion. A first purlin connection member 618, a substantially rectangular appendage 619, an edge opposite to the oblique side of the lid 613, and a substantially rectangular reinforcement 620 fixed to the edge of the first purlin receiving connection 614; And the oblique side of the bottom 616 and the first side It is obtained by forming by fixing the edge and the hypotenuse of the lid portion 613 of the main house connection portion 617.
[0108]
As shown in FIG. 50, the first purlin extension fitting 611 is fixed to the first purlin support fitting 38 on the side of the extension, as shown in FIG. The first purlin of the first purlin receiving connection member 615 of the first purlin extension fitting 611 is placed on the side surface of the flat portion 39 of the first purlin receiving portion 40 of the first purlin receiving bracket 38. While attaching the receiving connection part 614, the back surface of the appendage part 619 of the 1st purlin extension metal fitting 611 is assigned to the side of the extension part of the existing eaves beam 31, and the 1st purlin receiving metal fitting 38 The first purlin receiving connection portion 614 of the first purlin extension fitting 611 is fastened to the first purlin receiving portion 40 of the first purlin receiving portion 611 with a fastener (not shown).
[0109]
At this time, if the length of the bent portion of the first purlin receiving connection member 615 of the first purlin extension bracket 611 is substantially equal to the upper edge of the first purlin receiving portion 40 of the first purlin receiving bracket 38, When the first purlin extension bracket 611 is fixed to the first purlin support bracket 38, the first purlin support connection member 615 of the first purlin extension bracket 611 is provided with the reinforcing portion 620 of the existing eaves beam 31 and the first purlin extension bracket 611. Therefore, the first purlin extension bracket 611 can be stably installed on the first purlin support bracket 38 (see FIG. 51).
[0110]
As a result, as shown in FIG. 51, the bent portion 621 of the first purlin connecting member 618 of the first purlin extension bracket 611 is the same as the bent portion 42 of the first purlin bracket 38 toward the existing first purlin 37. It arrange | positions on the substantially identical surface and its extension line.
[0111]
As shown in FIG. 51, the end 612 of the new first purlin 610 is connected to the first purlin extension bracket 611 after the first purlin extension bracket 611 is fixed to the first purlin support bracket 38 and then the first purlin extension 611 is connected. The end portion 612 of the new first purlin 610 is placed on the first purlin connection member 618 of the metal fitting 611, and the through hole 612 a of the end portion 612 of the new first purlin 610 and the first purlin connection of the first purlin extension metal fitting 611 are installed. This is done by fastening the through hole 617a of the portion 617 with the fastener 60. As a result, the new first purlin 610 is installed on the extension of the existing first purlin 37 as shown in FIG.
[0112]
42, the installation direction of the main building on the extension part side of the existing house is changed by approximately 90 °, and the new first main building 610 is arranged on the same plane as the existing first main building 37, as shown in FIG. The existing first purlin 37 is extended to the extension part side.
[0113]
Next, as shown in FIG. 42, the new second purlin 630 of the extension part is arranged on the same plane as the existing second purlin 43 of the existing house. Specifically, as shown in FIG. 52, a second purlin extension bracket 631 is fixed to a second purlin support bracket 44 installed in the vicinity of the connecting portion between the existing corner beam 30 and the existing eaves beam 31, and the second purlin extension bracket 631 is fixed to the second purlin extension bracket 631. The new second purlin 630 is installed on the extension of the existing second purlin 43 by connecting the end 632 of the new second purlin 630 to the main purlin extension 631. The new second purlin 630 is a long timber material, and a through hole 632a is formed in the end 632 (see FIG. 56).
[0114]
The existing second purlin 43 has the same configuration as that of the existing eaves purlin 29 and the existing first purlin 37. As shown in FIG. 52, the end portion is located near the connection portion of the existing corner wooden beam 30 with the existing eaves beam 101. It is installed on the second stage of the existing eaves purlin 29 by being fastened and fixed to the provided second purlin bracket 44 with a fastener 60 ( FIG. reference).
[0115]
As shown in FIG. 53, the second purlin bracket 44 has a substantially hexagonal flat portion 45 having two edges that form approximately 90 ° with each other, and approximately 90 ° from the edges of each flat portion 45. It has a second purlin receiving portion 46 that rises upward and has a through hole 46a formed at the upper end. The second purlin support bracket 44 is fixed to the existing corner wooden beam 30 by welding, and the two second purlin support portions 46 of the second purlin support bracket 44 are symmetrical with respect to the long axis L of the existing corner wooden beam 30. It is provided on the upper surface of the existing corner wooden beam 30 so as to become.
[0116]
As shown in FIG. 52, the fixing of the existing second purlin 43 to the second purlin bracket 44 is such that the tip of the existing second purlin 43 substantially matches the tip of the existing second purlin 47 on the extension part side. In addition, the end portion of the existing second purlin 43 and the end portion of the existing second purlin 47 on the extension portion side are respectively placed on the flat portion 45 of the second purlin support bracket 44 and fastened to each second purlin receiving portion 46. This is done by fastening and fixing with the tool 60. Thereby, the existing second purlin 43 and the existing second purlin 47 on the extension part side are arranged on the existing corner wooden beam 30 at an angle of approximately 90 ° on the same plane.
[0117]
As shown in FIG. 54, the second purlin extension metal fitting 631 has the same configuration as the first purlin extension metal fitting 611 of the second embodiment, and has a second purlin support with a lid 633 and a through hole 634a. A second purlin receiving connection member 635 having a connection portion 634, a second purlin connection member 638 having a bottom portion 636 and a second purlin connection portion 637 having a through hole 637a, a spear portion 639, and a reinforcing portion 640, and is formed by fixing the oblique side of the bottom 636, the edge of the second purlin connecting portion 34, and the oblique side of the lid 633 to the surface of the attachment portion 639.
[0118]
As shown in FIG. 55, the second purlin extension fitting 631 is fixed to the second purlin support fitting 44 in the same manner as in the second embodiment, and the second purlin extension fitting 631 is connected to the second purlin support connection member 635. Is attached to the second purlin receiving portion 46 of the second purlin receiving bracket 44 from above, and the second purlin receiving connection portion 634 of the second purlin extension metal 631 is fastened to the second purlin receiving portion 46 of the second purlin receiving bracket 44. This is done by fastening and fixing with a tool (not shown).
[0119]
At this time, the length of the bent portion of the second purlin receiving connection member 635 of the second purlin extension metal 631 is changed from the attachment portion 639 when the second purlin extension fitting 631 is fixed to the second purlin receiving metal 44 to the second. If the distance between the edge of the main purse receiving portion 46 and the edge facing the existing corner beam 30 is substantially equal, when the second purlin extension fitting 631 is fixed to the second purlin support fitting 44, the second purlin extension fitting 631 The second purlin receiving connection member 635 is an attachment portion of the second purlin extension fitting 631. 639 Therefore, the second purlin extension bracket 631 can be stably installed on the second purlin support bracket 44 (see FIG. 56).
[0120]
Thereby, as shown in FIG. 56, the bent portion 641 of the second purlin connecting member 638 of the second purlin extension fitting 631 is substantially flush with the bent portion 48 of the existing second purlin 43, and It is arranged on the extension line.
[0121]
As shown in FIG. 56, the end 632 of the new second purlin 630 is connected to the second purlin extension fitting 631 by fixing the second purlin extension fitting 631 to the second purlin support bracket 44 and then extending the second purlin extension. The end portion 632 of the new second purlin 630 is placed on the second purlin connection member 638 of the metal fitting 631, and the through hole 632a of the end portion 632 of the new second purlin 630 and the second purlin connection of the second purlin extension metal fitting 631 are mounted. This is performed by fastening the through hole 637 a of the portion 637 with the fastener 60. Thereby, as shown in FIG. 52, the new second purlin 630 is installed on the extension of the existing second purlin 43.
[0122]
Thus, as shown in FIG. 42, the installation direction of the main building on the extension part side of the existing house is changed by approximately 90 °, and the new second main building 630 is arranged on the same plane as the existing second main building 43, that is, Existing Second Purlin 43 Will be extended to the extension.
[0123]
Next, as shown in FIG. 42, the new general purlin 650 of the extension section is arranged on the same plane as the existing general purlin 49 of the existing house. Specifically, as shown in FIG. 57, the general purlin extension bracket 651 is fixed to the general purlin bracket 50 installed on the existing corner wooden beam 30, and the end 652 of the new general purlin 650 is fixed to the general purlin extension bracket 651. To connect the new general purlin 650 on the extension of the existing general purlin 49. The new general purlin 650 is a long timber material, and a through hole 652a is formed in the end portion 652 (see FIG. 61).
[0124]
The existing general purlin 49 has the same configuration as that of the existing eaves purlin 29, the existing first purlin 37, and the existing second purlin 43, and as shown in FIG. By being fastened and fixed to the metal fitting 50 with the fastener 60, it is installed in three or more stages of the existing eaves purlin 29 ( FIG. reference).
[0125]
As shown in FIG. 58, the general purlin bracket 50 has a configuration similar to that of the second purlin bracket 44 of the third embodiment, and is a substantially hexagonal flat portion having two edges that form approximately 90 ° with each other. 51, and a general purlin receiving portion 52 that rises upward from the edge of each flat portion 51 at an angle of approximately 90 ° and has a through hole 52a formed in the upper end portion. The general purlin bracket 50 is fixed to the existing corner wooden beam 30 by welding so that the two general purlin receiving portions 52 of the general purlin bracket 50 are symmetrical with respect to the long axis L of the existing corner wooden beam 30. Are provided on the upper surface of the existing corner wooden beam 30.
[0126]
As shown in FIG. 57, the fixing of the existing general purlin 49 to the general purlin bracket 50 is also performed in the same manner as in the third embodiment, and the end of the existing general purlin 49 and the end of the existing general purlin 53 on the extension portion side. Are placed on the flat part 51 of the general purlin bracket 50 and fastened to each general purlin receiver 52 with a fastener 60 and fixed. As a result, the existing general purlin 49 and the existing general purlin 53 on the extension part side are arranged on the existing corner wooden beam 30 at an angle of approximately 90 ° on the same plane.
[0127]
As shown in FIG. 59, the general purlin extension fitting 651 has a substantially trapezoidal general purlin receiving connection portion in which the oblique side forms an angle of about 45 ° with respect to the long side and the through-hole 653a is formed in the upper corner portion. 653, a substantially rectangular bottom portion 654, and a long side of the bottom portion 654 rising upward at an angle of about 90 °, and a hypotenuse with a through-hole 655a drilled in the upper corner is formed with respect to the long side A general purlin connection member 656 having a general trapezoidal general purlin connection portion 655 having an angle of approximately 45 °, and a general purlin receiving connection portion 653 And the reinforcing portion 657 fixed to the opposite edge to the oblique side, and formed by fixing the oblique side of the general purlin receiving connection portion 653 and the oblique side of the general purlin connection portion 655 to substantially coincide with each other. is there.
[0128]
As shown in FIG. 60, the general purlin extension bracket 651 is fixed to the general purlin bracket 50 on the side surface of the flat portion 51 of the general purlin support portion 52 on the extension portion side of the general purlin bracket 50. The general purlin receiving connection portion 653 is assigned, and the general purlin receiving connection portion 653 of the general purlin extension metal fitting 651 is fastened and fixed to the general purlin receiving portion 52 of the general purlin receiving bracket 50 with a fastener (not shown). .
[0129]
At this time, when the length of the upper edge of the general purlin receiving connection portion 653 of the general purlin extension fitting 651 is fixed to the general purlin receiving fitting 651 to the general purlin receiving fitting 50, the hypotenuse of the general purlin receiving connection portion 653 is existing. If the length is in contact with the front end of the general purlin 49, the edge facing the existing corner wooden beam 30 of the general purlin receiving portion 52 of the general purlin support 50 will be in contact with the reinforcing portion 657 of the general purlin extension bracket 651. Since the general purlin receiving connection portion 653 of the general purlin extension bracket 651 is sandwiched between the existing general purlin 49 and the reinforcing portion 657 of the general purlin extension bracket 651, the general purlin extension bracket 651 is connected to the general purlin support bracket 50. It can be installed stably (see FIG. 61).
[0130]
Accordingly, as shown in FIG. 61, the bent portion 658 of the general purlin connection member 656 of the general purlin extension metal 651 is Existing general purlin 49 It is arranged on the substantially same plane as the bent portion 54 and on an extension line thereof.
[0131]
As shown in FIG. 61, the end 652 of the new general purlin 650 is connected to the general purlin extension bracket 651 after the general purlin extension bracket 651 is fixed to the general purlin support bracket 50 and then the general purlin of the general purlin extension bracket 651 is fixed. The end portion 652 of the new general purlin 650 is placed on the connection member 656, and the through hole 652a of the end portion 652 of the new general purlin 650 and the through hole 655a of the general purlin connection portion 655 of the general purlin extension fitting 651 are fastened. This is done by fastening at 60. Thereby, as shown in FIG. 57, the new general purlin 650 is installed on the extension of the existing general purlin 49.
[0132]
Thus, as shown in FIG. 42, the installation direction of the main building on the extension part side of the existing house is changed by approximately 90 °, and the new general main building 650 is arranged on the same plane as the existing general main building 49. The main building 49 is extended to the extension.
[0133]
Seventhly, as shown in FIG. 62, a new eaves beam is added along the eaves on the side surface of the existing house. In the first embodiment of the installation of the eaves beams, eaves beams 1001 are installed on both sides of the existing truss 1000 along the eaves on the side surface of the existing house, and the eaves beams 1001 are installed on the extension portion side. The eaves beam installation method in the case where it is necessary to install the orthogonal beam 1002 in a direction substantially orthogonal to the front, the pre-treatment is applied to the truss eaves part 1003 by the procedure shown in FIG. 63, and the web as shown in FIG. The eaves beam connection portion 701 is disposed at the end of the eaves side of the adjacent truss 1000 with the eaves beam connection portion 701, the orthogonal beam connection portion 702, and the eaves beam installation bracket 704 having the bottom portion 703. This is performed by connecting both end portions of the eaves beam 1001 to the eaves beam connection portion 701 that are arranged in the direction opposite to each other. This will be described in more detail below.
[0134]
When installing the eaves end beam mounting bracket 704 at the end of the truss 1000 on the eaves side, the truss eaves end 1003 and the plate 1004 provided at the end of the eaves side of the truss 1000 are obstructive. A pretreatment step is required. FIG. 63 shows the procedure of this pretreatment process, and FIGS. 64 and 65 show the state after the work for each procedure.
[0135]
In procedure 1, the truss eaves part 1003 is excised. This is because the truss eaves portion 1003 is appropriately shortened to facilitate later work. Here, FIG. 64A shows a state before the operation of this procedure, and FIG. 64B shows a state after the operation. In addition, as a tool used for a cutting | disconnection, a reciprocating saw (not shown) can be used, for example, and it is the same also about the cutting operation mentioned later.
[0136]
In step 2, in order to remove the plate 1004 having a substantially inverted L-shaped cross section provided at the end of the truss 1000 on the eaves side, facing the eaves, the plate 1004 and the truss 1000 are aligned with each other. The truss eaves tip 1003 is cut in the vertical direction. At this time, it is easy to cut by avoiding the welded portion between the plate 1004 and the truss 1000 and cutting slightly inside the joint surface between the plate 1004 and the truss 1000. Here, FIG. 64C shows a state after the operation of this procedure.
[0137]
In procedure 3, the truss eaves tip 1003 is cut until it reaches the web 1006 of the truss 1000 slightly on the eaves side from the tip of the C-shaped steel 1005 of the truss 1000. This is in order to remove a portion that hinders the installation of the eaves beam installation metal fitting 704. Here, FIG. 64D shows a state after the operation of this procedure.
[0138]
In step 4, the plate 1004 is cut off from the truss 1000 by cutting the lower part of the plate 1004 horizontally from the eaves side. Here, FIG. 65A shows a state after the operation of this procedure.
[0139]
In the procedure 5, for example, by polishing with a tool such as a sander (not shown), the remaining pieces of the plate 1004 remaining in the lower portion of the truss 1000 in the procedure 4 are removed. Thereby, there exists an advantage that the accommodation to the part of the eaves end beam installation metal fitting 704 becomes good. Here, FIG. 64B shows a state after the operation of this procedure.
[0140]
In step 6, along the inclination of the web 1006 of the truss 1000 from the eaves side to the position cut in step 3, the joint surface between the truss 1000 and the truss eaves part 1003 is cut, and the eaves side part of the truss eaves part 1003 is It has been removed. Here, FIG. 65C shows a state after the operation of this procedure.
[0141]
66. The pair of left and right web straddling portions 700, which stand in the vertical direction from the bottom portion 703 of the eaves beam installation metal fitting 704 shown in FIG. 66, are arranged substantially in parallel with an interval slightly wider than the thickness of the web 1006 of the truss 1000. . When installing the eaves-end beam mounting bracket 704, as shown in FIGS. 67 and 68, the web straddling portion 700 straddles the end portion on the eave end side of the web 1006 of the truss 1000 that has been subjected to the pretreatment as described above. The eaves beam installation metal fitting 704 is applied, and the eaves beam installation metal fitting 704 is pushed in until the end of the web 1006 of the truss 1000 on the eaves side reaches the orthogonal beam connection part 702, and the through hole 705 provided in the web straddling part 700 and the bottom part In a through hole 706 provided in 703, the truss 1000 and the shaft assembly 1007 are fixed by bolting.
[0142]
The eaves beam connecting portions 701 projecting from both sides of the eaves beam installation metal fitting 704 form an angle of approximately 90 ° with both the web straddling portion 700 and the bottom portion 703. As shown in FIG. A web 1008 of an eaves beam 1001 made of H-shaped steel is brought into contact with the beam connection part 701, and is fixed by bolting in a through-hole 707 provided in the eaves beam connection part 701, whereby the eaves beam 1001 is moved along the eaves edge. It is installed.
[0143]
The orthogonal beam connecting portion 702 is provided at an angle of approximately 90 ° with both the web straddling portion 700 and the bottom portion 703, and the eaves side surface is formed as a flat surface. Thereby, when the eaves end beam mounting bracket 704 is installed, the flat surface of the orthogonal beam connecting portion 702 faces the eave end, and as shown in FIGS. 68 and 69, the flat surface is orthogonal to H-shaped steel. By joining one end of the beam 1002 via the joining plate 1009 and fixing with bolts in a through hole 708 provided in the orthogonal beam connecting portion 702, the orthogonal beam 1002 can be easily installed.
[0144]
In addition, when the extension beam 1010 is extended on the eaves side, it is necessary to newly install the eaves beam 1001 along the eaves on the side face of the existing house. In this case, the pretreatment of the truss eaves portion 1003, the arrangement of the eaves beam installation metal fittings 704, and the installation of the eaves beam 1001 are performed in the same procedure as in the installation of the orthogonal beam 1002, and as shown in FIG. The base portion 1011 of the lowered beam 1010 may be joined to the beam connection portion 702 and fixed by bolting.
[0145]
Next, as shown in FIG. 62, in the second embodiment of the installation of the eaves beam, an eaves beam 1001 is installed on one side of the existing truss 1000 along the eaves on the side surface of the existing house, and The eaves beam installation method in the case where it is necessary to install the orthogonal beam 1002 in the direction orthogonal to the eaves beam 1001 on the extension part side, and pre-processes the truss eaves part 1003 in the same procedure as in the first embodiment. 71, and the eaves beam installation fitting 714 having the web straddling part 710, the eaves beam connection part 711, the orthogonal beam connection part 712, and the bottom part 713, as shown in FIG. 71 (a), or FIG. The eaves end beam installation fitting 719 having the web straddle part 715, the eaves end beam connection part 716, the orthogonal beam connection part 717, and the bottom part 718 as shown in FIG. The beam connecting portion 711 or 716 Respectively arranged to face, the eaves beam connecting portion 711 or 716 opposed, is performed by connecting the both end portions of the eaves beam 1001. This will be described in more detail below.
[0146]
The web straddling portion 710 and the web straddling portion 715 have the same shape as the web straddling portion 700 of the eaves end beam installation metal fitting 704 of the first embodiment, and a method of installing the truss 1000 at the end portion on the eaves side. Is the same as in the first embodiment.
[0147]
The eaves beam connecting portion 711 provided on the right side of the eaves beam installation fitting 714 forms an angle of approximately 90 ° with both the web straddling portion 710 and the bottom portion 713, and as shown in FIG. The eaves beam 1001 of the eaves beam 1001 made of H-shaped steel is brought into contact with the connection part 711, and is fixed by bolting in a through hole 720 provided in the eaves beam connection part 711, thereby installing the eaves beam 1001 along the eaves edge. is doing. The eaves beam installation metal fitting 719 has an eaves beam connection part 716 on the left side thereof, and the other structure and the connection method of the eaves beam installation metal 1001 are the same as those of the eaves beam installation metal fitting 714. The two eaves beam installation metal fittings 714 and the eaves beam installation metal fittings 719 are preferably used in accordance with the positional relationship between the truss 1000 and the newly added eaves beam installation metal 1001.
[0148]
The orthogonal beam connection part 712 and the orthogonal beam connection part 717 have the same shape as the orthogonal beam connection part 702 of the eaves beam installation metal fitting 704 of the first embodiment, and according to the same procedure as the first embodiment, The orthogonal beam 1002 or the lowered beam 1010 can be installed on the extension portion side.
[0149]
Next, as shown in FIG. 62, in the third embodiment of the installation of the eaves beam, the eaves beam 1001 is installed on both sides of the existing truss 1000 along the eaves on the side surface of the existing house, and In the eaves beam installation method when it is not necessary to install the orthogonal beam 1002 in the direction orthogonal to the eaves beam 1001 on the extension part side, as shown in FIG. 73, after pre-processing the truss eaves part 1003, As shown in FIG. 74, a pair of left and right blade members having an inclined portion 730, a lid member 732 having a reinforcing plate 731, an eaves beam connecting portion 733, an inclined portion 734, a web joint portion 735, and a bottom portion 736. Eaves beam installation metal fittings 738 provided with 737 and the eaves beam connection portions 733 projecting from each other at the ends on the eaves side of the adjacent trusses 1000, respectively. In connection part 733, eaves Both end portions of the 1001 is performed by connecting the. This will be described in more detail below.
[0150]
In the case of this embodiment, as pre-processing to be performed on the truss eaves front part 1003, as shown in FIG. 73, the truss eaves front part 1003 is cut slightly at the position on the extension part side from the eaves front, and the eaves side part is removed. This is because, in this embodiment, since it is not necessary to provide the orthogonal beam 1002 on the extension portion side, even if the truss eaves tip portion 1003 remains slightly protruding on the extension portion side, it does not get in the way. Of course, in this case, pre-processing may be performed according to the procedure of the first embodiment, and the eaves beam installation metal fitting 704 may be installed. However, as in this embodiment, the pre-processing is simplified and the eaves beam installation metal fitting 704 is installed. There is an advantage that work efficiency can be improved by using 738.
[0151]
The blade member 737 shown in FIG. 74 has an eaves end beam connecting portion 733 extending to one side thereof, and the eaves end beam connecting portion 733 forms an angle of approximately 90 ° with both the bottom portion 736 and the web joint portion 735. ing. When connecting the eaves beam 1001, as shown in FIG. 75, the web 1008 of the eaves beam 1001, which is H-shaped steel, is brought into contact with the eaves beam connection part 733, and through the through-hole 739 provided in the eaves beam connection part 733. By fixing by bolting, the eaves beam 1001 is installed along the eaves.
[0152]
The lid member 732 serves to connect and integrate the blade members 737 at the upper portion thereof, and is provided to prevent the blade member 737 from wobbling or falling off due to an external force. As shown in FIG. 74, in order to reinforce the structural weakness of the lid member 732, a reinforcing plate 731 is provided therein.
[0153]
The inclined portion 734 of the blade member 737 and the inclined portion 730 of the lid member 732 have the same inclination angle. As shown in FIG. 77, both are joined, and the blade member 737 and the lid member 732 are joined by bolting. It is fixed. In the case of this embodiment, this inclination angle is made equal to the inclination angle of the truss eave portion 1003. As a result, the blade member 737 can be well placed in the side portion of the truss 1000 on the eaves side.
[0154]
When installing the eaves beam installation metal fitting 738, as shown in FIGS. 76 and 77, first, each blade member 737 is joined to the eaves side end of the truss 1000 and the bottom 736 is joined to the flange 1012 of the truss 1000, Further, the web joining portion 735 is disposed so as to join the web 1006 of the truss 1000, and is fixed by bolting in a through hole 740 provided in the bottom portion 736. Next, the lid member 732 is covered from above the truss eaves tip 1003, and each inclined portion 730 of the lid member 732 is joined to the inclined portion 734 of each blade member 737. Further, the position of the through hole 741 provided in the inclined portion 730 of the lid member 732 and the position of the through hole 742 provided in the inclined portion 734 of each blade member 737 may be aligned and fixed by bolting.
[0155]
In the present embodiment, the case where the eaves beam 1001 is installed on both sides of the truss 1000 along the eaves on the side surface of the girder is described, but the case where the eaves beam 1001 is installed only on one side of the truss 1000 is also described. The eaves beam installation metal fitting 738 may be installed in the same procedure, and either one of the eaves beam connection portions 733 of the blade member 737 may be left unused. In this case, if only one blade member 737 is installed, the lid member 732 may not be stable, and wobbling, dropping off, etc. may occur. Therefore, it is preferable to use the blade member 737 in a state where the left and right pairs are always aligned. .
[0156]
In any of the three embodiments described above, when the eaves beam 1001 is installed, as shown in FIG. 78, between the truss 1000 and the truss 1000, between the truss 1000 and the corner wooden beam 1013, and between the truss 1000 and the climbing beam 1014. Or between the climbing beam 1014 and the corner wooden beam 1013, and whether the metal fitting to be installed at the end of the eaves side of the truss 1000 is of any of the first to third embodiments Therefore, it is necessary to appropriately change the longitudinal dimension of the eaves beam 1001 and the shape of the end portion.
[0157]
In particular, when there is an existing corner wood beam 1013 on one end side of the eaves beam 1001, a corner beam connection beam 750 is provided at the end of the eaves beam 1001 on the side of the corner wood beam 1013, so that the eaves beam 1001 becomes the corner wood beam 1013. Preventing contact.
[0158]
As shown in FIG. 79, the corner beam connecting beam 750 is fixed to the vertical plate 751, the upper edge of the vertical plate 751, the upper surface plate 752 orthogonal to the vertical plate 751, and the lower edge of the vertical plate 751. A bottom plate 753 orthogonal to the vertical plate 751, a box portion 754 having a substantially rectangular parallelepiped shape fixed on the bottom plate 753 and having a hollow inside, and a reinforcing plate 755 provided inside the box portion 754. 81, end portions of the top plate 752, the bottom plate 753, and the vertical plate 751 are fixed to the eaves beam 1001 through the joining plate 1015 and provided on the bottom surface of the box portion 754. The through hole 756 is fixed to the shaft assembly 1007 by bolting.
[0159]
The top plate 752 and the vertical plate 751 have a shape obtained by obliquely cutting off a part of a substantially rectangular flat plate. This prevents the top plate 752 and the vertical plate 751 from coming into contact with the corner tree beam 1013 extending from the diagonally upper side to the diagonally lower side of the corner beam connecting beam 750.
[0160]
In the connection portion between the corner wooden beam 1013 and the corner wooden beam connecting beam 750, when it is necessary to extend and install the lowering beam 1010 on the extension portion side, as shown in FIG. 80, on the side of the extension portion side of the box portion 754, What is necessary is just to fix by bolting in the through-hole 757 provided in the extension part side side surface of the box part 754 by joining the base part 1011 of the rolling-down beam 1010. FIG. In addition, when the hanging beam 1010 is not connected, the side surface of the extension portion side of the box portion 754 does not need to be a flat surface, and the shape of the box portion 754 is not limited to a hollow substantially rectangular parallelepiped, and other shapes. It doesn't matter.
[0161]
In addition, as shown in FIG. 78, when it is necessary to connect one end of the eaves beam 1001 to the climbing beam 1014, the existing climbing beam fitting 1016 may be used for connection.
[0162]
【The invention's effect】
As described above, according to the extension construction method of a hut assembly according to claim 1 of the present invention, without completely dismantling the hut assembly of the existing house, the end of the existing ridge can be There is an advantage that the corner beam can be extended toward the end, and the climbing beam in the middle of the existing building can be extended toward the end of the new building.
[0163]
Moreover, since the existing hut assembly is not completely dismantled, there is an advantage that not only the construction period can be shortened but also the workability can be improved while reducing labor.
[0164]
Furthermore, since each member is connected by fastening with a fastener, not only the workability can be improved, but also there is an advantage that sufficient safety can be ensured as compared with welding joining.
[0165]
Furthermore, since the existing cabin is not completely dismantled, there is an advantage that not only the amount of industrial waste generated can be reduced, but also the cost for transporting and processing the waste can be reduced. .
[0166]
And the shortening of a construction period shortens the period which inconveniences a customer, and there exists an advantage that a customer's burden can be reduced.
[0167]
According to the extension construction method of the hut assembly according to claim 2, in addition to the advantage of claim 1, the existing hut assembly and the extension shed assembly are completely dismantled without completely dismantling the existing hut assembly of the existing house. There is an advantage that the climbing beam can be installed toward the new corner wooden beam from the intersection where the valley portion generated at the boundary of the existing beam and the existing climbing beam on the extension portion side intersect.
[0168]
According to the extension construction method of the hut assembly according to claim 3, in addition to the advantages of claim 1 or claim 2, without removing all the existing purlins of the existing houses, There is an advantage that the installation direction is changed by approximately 90 °, and the new purlin of the extension part can be arranged on the same plane as the existing purlin of the existing house.
[0169]
According to the extension construction method of the hut assembly according to claim 4, in addition to the advantages of claims 1 to 3, the eaves can be easily installed without completely dismantling the hut assembly and the back of the eaves of the existing house. There is an advantage that a beam can be installed.
[0170]
In addition, since it is not necessary to completely dismantle sheds and eaves of existing houses, labor can be saved and the construction period can be greatly shortened. Conventionally, it has been treated as industrial waste. There is an advantage that the cost required for processing can be reduced by eliminating unnecessary trusses generated during dismantling.
[0171]
According to the extension construction method of the hut assembly according to claim 5, in addition to the advantages of claims 1 to 4, the eaves can be easily assembled without completely dismantling the hut assembly or the back of the eaves of the existing house. There is an advantage that a beam can be installed.
[0172]
In addition, since it is not necessary to completely dismantle sheds and eaves of existing houses, labor can be saved and the construction period can be greatly shortened. Conventionally, it has been treated as industrial waste. There is an advantage that the cost required for processing can be reduced by eliminating unnecessary trusses generated during dismantling.
[0173]
That is, according to the extension construction method of the hut assembly of the present invention, there is an advantage that labor saving of construction, cost reduction, and reduction of waste can be achieved.
[Brief description of the drawings]
FIG. 1 is a plan view showing an outline of an entire cabin set according to an embodiment of the present invention.
FIG. 2 is a side view showing a cabin set including a new corner beam.
FIG. 3 is an enlarged view of part A of FIG.
FIG. 4 is an explanatory diagram showing a connection procedure between a corner wooden beam extension fitting and a new corner wooden beam.
FIG. 5 is a plan view showing a procedure for fixing a corner beam extension metal fitting to a corner top purlin support.
6 is a plan view of FIG. 3. FIG.
FIG. 7 is a side view showing a hut assembly including a new corner beam in a Japanese hut assembly.
FIG. 8 is a side view showing a cabin set including a new corner beam.
FIG. 9 is a perspective view showing a climbing beam extension fitting.
FIG. 10 is an enlarged view of a portion A in FIG.
FIG. 11 is an enlarged view of a portion A in FIG.
FIG. 12 is a perspective view showing a new climbing beam bundle and climbing beam bundle connection fittings.
13 is an enlarged view of part B of FIG.
FIG. 14 is a side view showing a cabin set including a new climbing beam.
FIG. 15 is a perspective view showing a climbing beam extension fitting.
16 is an enlarged view of part C of FIG. 14;
FIG. 17 is a plan view of FIG. 16;
FIG. 18 is a perspective view showing a new climbing beam bundle and climbing beam bundle connection fittings.
FIG. 19 is an enlarged view of part D of FIG.
20 is a plan view of FIG. 19;
FIG. 21 is an explanatory view showing a procedure for connecting the climbing beam extension fitting to the top purlin receptacle.
FIG. 22 is an explanatory diagram showing a procedure for fixing the climbing beam bundle connection fitting to the existing climbing beam on the extension portion side in the portion E of FIG. 20;
FIG. 23 is an explanatory view showing a procedure for fixing the climbing beam bundle connecting bracket to the existing climbing beam on the extension portion side.
FIG. 24 is a side view showing a climbing beam bundle connecting bracket according to another embodiment.
FIG. 25 is a plan view showing a climbing beam bundle connecting bracket according to another embodiment.
FIG. 26 is a side view showing a climbing beam bundle connecting bracket according to another embodiment.
FIG. 27 is a side view showing a cabin set including a new climbing beam in a Japanese cabin set.
FIG. 28 is a side view showing a cabin set including an intersection.
FIG. 29 is a plan view showing an intersection.
FIG. 30 is a schematic perspective view showing a trough beam installation fitting.
FIG. 31 is a front view of an intersection showing a connection procedure for a new valley beam.
32 is a side view seen from the F side in FIG. 29, showing a procedure for fixing the trough beams mounting bracket to the intersection.
FIG. 33 is a plan view of an intersection showing a procedure for connecting new valley beams.
34 is a side view of the intersection viewed from the G side in FIG. 29. FIG.
35 is a side view of the intersection as viewed from the F side in FIG. 29. FIG.
36 is a side view of the valley beam mounting bracket according to another embodiment as viewed from the F side in FIG. 29. FIG.
FIG. 37 is a side view showing a cabin set including an intersection in a Japanese cabin set.
FIG. 38 is a schematic plan view showing a cabin set in which new climbing beams are installed.
FIG. 39 is a schematic perspective view showing a trough beam installation fitting.
FIG. 40 is a plan view showing an intersection.
41 is a side view of the intersection as viewed from the H side in FIG. 20;
FIG. 42 is a plan view showing an outline of the entire cabin set according to the embodiment of the present invention.
FIG. 43 is a plan view showing an embodiment of an eaves purlin.
FIG. 44 is a perspective view showing an eaves purlin bracket and an eaves purlin extension bracket.
FIG. 45 is an explanatory view showing a procedure for fixing the eaves purlin extension fitting to the eaves purlin receiving bracket.
FIG. 46 is an explanatory diagram showing a procedure for connecting a new eaves purlin to an eaves purlin extension fitting.
47 is a plan view showing an embodiment of the first purlin. FIG.
FIG. 48 is a plan view showing a first purlin bracket.
FIG. 49 is a perspective view showing a first purlin extension fitting.
FIG. 50 is an explanatory diagram showing a procedure for fixing the first purlin extension bracket to the first purlin bracket.
FIG. 51 is an explanatory diagram showing a procedure for connecting the new first purlin to the first purlin extension fitting.
FIG. 52 is a plan view showing an embodiment of the second purlin.
FIG. 53 is a plan view showing a second purlin bracket.
54 is a perspective view showing a second purlin extension fitting. FIG.
FIG. 55 is an explanatory diagram showing a procedure for fixing the second purlin extension bracket to the second purlin bracket.
FIG. 56 is an explanatory diagram showing a procedure for connecting the new second purlin to the second purlin extension fitting.
FIG. 57 is a plan view showing an embodiment of a general purlin.
FIG. 58 is a plan view showing a general purlin bracket.
FIG. 59 is a perspective view showing a general purlin extension fitting.
FIG. 60 is an explanatory diagram showing a procedure for fixing the general purlin extension bracket to the general purlin bracket.
FIG. 61 is an explanatory diagram showing a procedure for connecting a new general purlin to a general purlin extension fitting.
FIG. 62 is a plan view showing the outline of the entire cabin set according to the embodiment of the present invention.
FIG. 63 is an explanatory diagram for explaining the flow of pre-processing to the truss eaves part.
FIG. 64 is an explanatory diagram for explaining pre-processing for the truss eaves front part for each procedure;
FIG. 65 is an explanatory diagram for describing pre-processing for the truss eaves part for each procedure;
FIG. 66 is a schematic perspective view of an eaves beam installation metal fitting.
FIG. 67 is a schematic perspective view for explaining a method of installing the eaves beam installation metal fitting.
FIG. 68 is a schematic side view showing an installation state of the eaves beam installation metal fitting.
FIG. 69 is a schematic plan view showing a connecting portion between the eaves beam installation metal fitting and the eaves beam.
FIG. 70 is a schematic side view showing a connection portion between an eaves-end beam installation bracket and a hanging beam.
FIG. 71 is a schematic perspective view of an eaves-beam installation metal fitting.
FIG. 72 is a schematic plan view showing a connecting portion between the eaves beam installation metal fitting and the eaves beam.
FIG. 73 is an explanatory diagram for explaining pre-processing for the truss eaves front portion.
FIG. 74 is a schematic perspective view of an eaves-beam installation metal fitting.
FIG. 75 is a schematic plan view showing a connection portion between the eaves beam installation metal fitting and the eaves beam.
FIG. 76 is a schematic perspective view for explaining a method of installing the eaves beam installation metal fitting.
FIG. 77 is a schematic side view showing an installation state of the eaves beam installation metal fitting.
FIG. 78 is a schematic plan view for explaining a connection portion of a truss, a corner wooden beam, a climbing beam, and an eaves beam.
FIG. 79 is a schematic perspective view of a corner wooden beam connecting beam.
FIG. 80 is a schematic plan view showing a joint portion between a corner-timber beam joining beam and a hanging beam.
FIG. 81 is a schematic perspective view showing a joint portion between a corner wooden beam and a corner wooden beam.
[Explanation of symbols]
1 Existing corner beam
2 Existing bunches
14 Existing climbing beams
8 Existing climbing beams
100 1st new corner beam
200 2nd new corner beam
300 New climbing beam
500 New valley beams
503 1st new valley tree beam
506 2nd New Valley Beam

Claims (5)

A part of the girder face of the existing house in the dormitory structure, a part of the existing hut assembly of the existing house and a part of the new hut assembly of the extension part are substantially flush with the height of the existing part of the existing house It is a construction method of the hut assembly in the extension work when extending the building higher than the building height,
Rise angle of existing corner wooden beams from one end edge of the corner top purlin support connecting portion installed in the corner top purlin support installed at the upper end of the vertical member under the end of the existing large building One end of a first new corner wooden beam is connected to the corner wooden beam connecting portion, and the corner top purlin receiving connection portion is connected to the corner top purlin receiving portion. By fixing and installing one end portion of the first new corner wooden beam on the extension of the existing corner wooden beam, the corner wooden beam is extended from the end of the existing large building toward the end of the new large building,
The top purlin support connecting portion installed in the top purlin support installed at the upper end of the vertical member under the middle part of the existing main building, and an angle substantially equal to the rising angle of the existing corner wooden beam from one end side of the top purlin support connection portion The corner wooden beam connecting bracket having the corner wooden beam connecting portion rising at the point is used, and the corner wooden beam connecting portion and one end portion of the second new corner wooden beam are fastened with a fastener, whereby the second new beam connecting portion is connected to the corner wooden beam connecting portion. By connecting one end portion of a corner wooden beam and fastening the top purlin support connection portion and the top purlin support with a fastener, the second new corner wooden beam is installed in the middle part of the large ridge. A corner beam is installed from the middle of the building toward the end of the new large building.
A flat part installed at the top of the vertical member in the middle part of the existing large building, a top purlin receiving connection part installed in the top purlin receiver installed at the upper end part of the vertical member, and one of the purlin receiving connection parts Using a climbing beam extension bracket having a climbing beam connecting part rising from a side central part with a rising angle substantially equal to the rising angle of the existing climbing beam, connecting one end of the new climbing beam to the climbing beam connecting part, While fixing the flat portion to the top of the vertical member and fixing the top purlin support connection portion to the top purlin support, installing one end of the new climbing beam on the extension of the existing climbing beam, Using the new climbing beam bundle having the climbing beam bundle connecting bracket installed on the existing climbing beam on the extension part side at the lower end and the new climbing beam connecting part connecting to the new climbing beam at the upper end, the climbing beam bundle connection to secure the bracket to the existing climbing beams, said Xin Climbing beam connection part connected to the new climbing beam, wherein the vertically be erected between the new climbing Ryotaba with existing climbing beam of the build-side to the new climbing beams, intermediate existing large building Extend the climbing beam to the end of the new building,
At the intersection where the valley that occurs at the boundary between the existing hut assembly and the hut assembly of the extension section intersects the existing climbing beam on the extension section side, an installation section that is installed at the intersection section, and a main building receiver near the intersection section A purlin support connecting part installed in the purlin support installed in the first part, a first valley wooden beam installation part rising from one side of the installation part at a rising angle substantially equal to a rising angle of the existing corner wooden beam, and the other side of the installation part Using a trough beam mounting bracket having a second trough beam connecting portion installed on an extension of the first trough beam connecting portion, connecting an end of the first new trough beam beam to the first trough beam connecting portion, By connecting the end of the first new valley beam and the end of the second new valley beam in a substantially straight line at the intersection. Extension of a hut set, characterized by the installation of valley beams Law. A climbing beam connecting portion that rises from one side of the installation portion at a rising angle substantially equal to the rising angle of the existing climbing beam is installed on the installation portion of the valley beam mounting bracket, and one end portion of the new climbing beam is attached to the climbing beam connecting portion. The extension construction method for a cabin set according to claim 1, wherein a climbing beam is installed from the intersecting portion toward the second new corner beam by connecting. A purlin extension fitting having a purlin receiving connection portion installed on a purlin receiving bracket installed on an existing corner wooden beam located at the boundary between the existing house and the extension portion, and a purlin connecting portion forming approximately 90 ° with the purlin receiving connection portion. Use, fixing the purlin support connection to the purlin bracket, and installing the new purlin of the extension on the extension of the existing purlin installed on the purlin bracket, The extension construction method for a cabin set according to claim 1 or 2, wherein the installation direction is changed by approximately 90 °, and the new purlin of the extension part is arranged on substantially the same plane as the existing purlin. An eaves beam installation method that adds a new eaves beam along the eaves on the side of the girder side of the existing house in the extension work on the side of the girder side of the house where the truss eaves are extended diagonally downward from one end of the truss In the existing house, the eaves side of the truss eave part on the side of the girder where the eaves beam of the existing house is added is cut, and the projecting eaves beam connection part is opposed to the end of the eaves side of the adjacent truss The eaves end beam mounting brackets are respectively disposed, and both ends of the eaves end beam are connected to the opposite end portions of the eaves end beam connection, according to any one of claims 1 to 3. Extension construction method of hut assembly. An eaves beam installation method that adds a new eaves beam along the eaves on the side of the girder side of the existing house in the extension work on the side of the girder side of the house where the truss eaves are extended diagonally downward from one end of the truss The truss eaves part on the side of the girder to which the eaves beam of the existing house is added is cut, and the web straddling part straddling the web of the truss at the end part on the eaves side of the adjacent truss, and the web straddling part Eaves beam installation brackets having eaves beam connection portions projecting in a direction perpendicular to the eaves beam connection portions are arranged opposite to each other, and the opposite end portions of the eaves beam are disposed on the opposite eaves beam connection portions. The extension construction method for a cabin set according to any one of claims 1 to 4, characterized in that:

Images