JPH09158322A - Connecting fitting and connecting structure of column and foundation by using connecting fitting thereof - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a connecting fitting, by which wet type operation is removed and operation on a construction field can be simplified against the force of blow-up and buckling compressive load, and the connecting structure of a column and a foundation by using the connecting fitting. SOLUTION: A connecting fitting body 30 interposed and disposed between a column 16 and a foundation 200 and a connecting fitting 40 connected on the column 20 side are integrally formed beforehand. The connecting fitting body 30 is composed of an opening section 36 opened on the side of the foundation 200, a bottom plate section 31 with a hole 32, into which an anchor bolt 204 is inserted, side plate sections 33 formed to the periphery while leaving the opening section 36, and an upper plate section 34, which is formed at the upper ends of the side plate sections 33 and on which a column 20 is placed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connecting fitting and a connecting structure for a pillar and a foundation using the connecting fitting.

[0002]

[Background Art and Problems to be Solved by the Invention] Industrialization of houses is progressing from the standpoints of difficulty in securing skilled workers involved in on-site construction, shortening of construction period, and equalization of house quality. In other words, as much as possible in the factory
Attempts have been made to reduce the work items on construction sites.

A panel construction method is known as an industrialization of this house. The panel method is a method of assembling various panels to construct a building, and is characterized by the fact that no pillars are used. However, when constructing a three-story building by the panel method, the Columns will be reinforced at the joints between the floor panel and the wall panel on the first floor so that they can withstand rolling.

FIG. 5 shows a fixing structure of reinforcing columns on the first floor of this three-story building. In the figure, the cloth foundation 200
An undercarriage 201 is attached to the top of the base, and an anchor bolt 204 for fixing the wall panel projects from the cloth foundation 200. Then, the floor panel 202 is laid so as to avoid the anchor bolts 204, and the half base 203 is attached to the outside of the floor panel 202.

A sheath tube 205 is embedded in a corner portion of the cloth foundation 200. This sheath tube 205 is
It is for fixing the reinforcing column 206, and grout is injected into the inside.

Then, the battledore metal plate 207 is attached to two adjacent surfaces of the pillar 206, and the battledore metal plate 20 is attached.
Insert the anchor portion of No. 7 into the sheath tube 205, and
6 is set up.

As described above, in order to construct a three-story building, it is necessary to bury the sheath tube 205 in the cloth foundation 100 and inject the grout, but the work is troublesome. Moreover, in the panel construction method, it is also intended to industrially mass-produce the building by performing processing as much as possible in the factory in advance, but the work of injecting grout into the sheath tube 205 must be performed at the construction site without fail. So
It cannot meet the purpose of the panel construction method of industrial mass production of buildings.

On the other hand, the battledore metal plate 207 must be attached to the reinforcing column 206, but the battledore metal plate 206 has a narrow pipe diameter with its anchor portion protruding from the lower end of the column 206. Two sheath tubes 205
It had to be inserted inside, and the work was difficult.

Further, in the state after each pillar is erected, since the bending moment generated in the pillar due to the weight due to the construction of the upper layer becomes large, the foundation and the pillar are firmly fixed in the bar-shaped anchor portion of the battledore metal plate. It is conceivable that the pillars would be wiped up against the foundation because they could not be connected.

Further, since a buckling compressive load is also applied, a material having strong strength has been desired.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems of the technology, and its object is to eliminate wet work, and to raise the lifting force and the buckling compression load. It is to provide a connection fitting that can simplify the work at a construction site and a connection structure between the pillar and the foundation using the connection fitting while allowing the pillar and the foundation to be firmly connected against each other.

[0012]

Means for achieving the above object will be described by associating the constituent elements of each claim of the present application with the reference numerals of the embodiments of the present invention.
The connecting fitting according to the invention described in (1) is a connecting fitting (20) for connecting a foundation (200) and a pillar (16) erected on the foundation, and the foundation and the lower end of the pillar. An interlocking metal fitting body (30) disposed between and a connecting metal fitting (40) connected to the pillar side are integrally formed in advance, and the connecting metal fitting body is an anchor bolt (projected from the foundation). 10) has a hole (32) through which a bottom plate portion (31) is attached and fixed to the foundation side, and is formed around the bottom plate portion (31) bent and erected from the bottom plate portion, leaving an opening (36) in part. A side plate part (33) and a plate-shaped upper plate part (34) formed on the upper end of the side plate part and on which the pillar is mounted.

According to the first aspect of the invention, the following actions and effects are provided. (1) The connecting metal fitting body disposed between the foundation and the pillar is formed in a substantially box shape in which the bottom plate portion, the side plate portion, and the upper plate portion are integrated, and the pillar and the connecting metal fitting body are A connecting metal fitting that firmly connects the two, and a connecting metal body that is firmly connected to the foundation by fastening the anchor bolt and the nut via the bottom plate portion,
Since it is integrally formed, it has sufficient durability against both upward force due to bending moment and downward force due to buckling compression load. . Even if a strong bending moment is generated in the pillar, the pillar can be firmly connected and fixed without being lifted up from the foundation as in the conventional case.

(2) To fix the connecting fitting to the foundation side,
It becomes possible by inserting the anchor bolt protruding from the foundation into the hole of the bottom plate portion of the connecting fitting body and fastening the insertion end with a nut. At this time, since the opening is formed so as to open to the side of the foundation, the opening can be used on the side of the foundation, for example, on the outdoor side of the foundation or on the indoor side of the foundation. Bolts and nuts can be easily tightened.

A connecting fitting according to a second aspect of the invention is
In claim 1, the hole of the bottom plate portion is formed at a position that is displaced toward the indoor side of the foundation from the intersection of diagonal lines connecting the vertices on the plane of the bottom plate portion.

According to the second aspect of the present invention, when a hole is formed at a position displaced toward the indoor side of the foundation, one end of the anchor bolt is embedded on the foundation at a position where it can be inserted into the hole. To be done. In this case, a hole is drilled approximately in the central area of the bottom plate portion that is the intersection of the diagonal lines, and one end of the anchor bolt is embedded on the foundation so that it can be inserted into the hole, rather than when the anchor bolt is installed from the outdoor end surface of the foundation. Since the distance to the embedding position is long, the breakage resistance and shearing resistance of the foundation in the length region are increased.

Further, in the prior art, there were two anchor embedding points in the foundation for one pillar, but in the present invention, only one location is required. Therefore, the degree of breakage resistance and shear resistance of the foundation are high. You can increase your strength.

The connecting fitting according to the invention of claim 3 is
In Claim 1, the thickness of the bottom plate portion is formed to be thicker than the thickness of the side plate portion.

According to the third aspect of the present invention, since the bottom plate portion is formed in a thick wall shape, the buckling load is compressed in the connecting region between the column and the foundation and the lifting due to the bending moment acting on the column is performed. It is possible to sufficiently resist buckling deformation due to force.

According to a fourth aspect of the present invention, there is provided a connecting structure for a pillar and a foundation, which is a connecting structure for connecting a foundation and a pillar standing upright from the foundation. A nut having a pillar to be erected, an anchor bolt embedded in the foundation at the erected position of the pillar and protruding on the top surface of the foundation, and a hole for inserting a protruding end of the anchor bolt. A bottom plate part attached and fixed by means of at least three side plate parts bent and erected from the bottom plate part, and a plate-like upper plate part on which the pillars are mounted by connecting the upper ends of the three side plate parts. A coupling fitting body that is located between at least one side surface and an anchor bolt tightening operation opening, and that is disposed between the foundation and the lower end of the pillar, and is provided so as to project above the side plate portion. And a connection fitting connected to the pillar side. .

According to the invention of claim 4, claim 1
The same operation and effect as described above can be obtained. The pillars are erected in the following manner. That is, the anchor bolt is embedded in the foundation at a predetermined position, and the bottom plate portion of the connecting fitting body is attached to the protruding portion of the anchor bolt above the foundation. This connecting metal fitting body has a hole for bolt insertion in the bottom plate, so the protruding end of the anchor bolt is aligned with this hole and inserted, and the nut is screwed into the bolt and tightened to connect. The metal fitting body may not be attached on the foundation, and the construction time may be shortened.

The fastening work can be easily carried out by utilizing the bolt tightening operation opening that opens at the side of the foundation.

On the other hand, the pillar and the connecting fitting body are connected by placing the lower end surface of the pillar on the upper plate portion of the connecting fitting body, and the connecting fitting body has a side plate portion which is bent and erected from the bottom plate portion. ,
The pillar and the main body of the connecting fitting can be fixed by driving a nail or the like with the connecting fitting that connects the side plate portion and the lower end of the pillar. Thus, the pillar is firmly fixed on the foundation.

The fixing work of the connecting metal fitting and the pillar may be carried out after the connecting metal fitting main body is mounted and fixed on the foundation, or the connecting metal fitting and the pillar may be attached and fixed in advance and then the connecting metal fitting is attached. The pillar may be fixed to the foundation.

According to a fifth aspect of the present invention, there is provided a connecting structure of a pillar and a foundation, wherein the pillar is a square member having a substantially rectangular cross section which is erected at a corner portion of a foundation construction region. The connecting fitting may have a shape in which two adjacent surfaces of the square bar are in surface contact with each other.

According to the fifth aspect of the invention, it is preferable that the pillar is made of a square member, and when the pillar is erected at the corner portion of the foundation construction area, the portion projecting from the upper plate portion of the connecting metal fitting is The pillar and the connecting fitting can be firmly connected to each other by forming a shape in which the two adjacent surfaces of the square member are in surface contact with each other.

According to a sixth aspect of the present invention, there is provided a structure for connecting a pillar and a foundation, wherein the pillar is a square bar having a substantially rectangular cross section, which is erected on a straight line portion of the foundation construction region.
The connecting fitting may have a shape in which two facing surfaces of the square bar are in surface contact with each other.

According to the sixth aspect of the present invention, even when the pillar is erected on the straight line portion of the foundation construction region, the square member is used as the pillar, and the portion protruding from the upper plate portion of the connecting metal fitting is straightened. The pillar and the connecting fitting can be firmly connected to each other by having a shape in which they are in surface-contact with the two opposite surfaces of the square bar.

[0029]

BEST MODE FOR CARRYING OUT THE INVENTION Preferred embodiments of the present invention will be specifically described below with reference to the drawings.

[Embodiment 1] First, in the embodiment in which the connecting fitting of the present invention is applied to the corner portion of the foundation construction area, the entire structure thereof will be described with reference to FIGS. 1 and 2.
FIG. 1 is a perspective view showing an embodiment in which a connecting fitting of the present invention is applied to a corner portion of a foundation construction area. FIG. 2 is a cross-sectional view showing the connection structure of FIG.

In FIG. 1, the cloth foundation 200, the floor panel 202, the semi-base 203, and the anchor bolts 204 which form the floor of the first floor from the foundation are the same as those in the conventional example of FIG.

The present embodiment includes the anchor bolt 10, the pillar 16, and the metal fitting 20 in which the connecting metal body 30 and the connecting metal 40 are integrally formed.

The anchor bolt 10 is embedded in the corner portion of the foundation building region similarly to the other anchor bolts 204 and projects from the floor surface. The projecting portion allows the connecting metal fitting body 30 of the metal fitting 20 to be fixed. It has become.

The pillars 16 are erected at the corners of the foundation construction area to reinforce the fixed portions of the wall panel and the floor, and are made of square members having a square cross section.

The metal fitting 20 is, as shown in FIG.
0 and the lower end of the pillar 16 are interposed between the connecting metal fitting body 30 and the connecting metal fitting 40 that connects the pillar 16 and the connecting metal fitting body 30 to each other. Although the connecting metal fitting body 30 and the connecting metal fitting 40 are separate bodies at the bending step, they are previously connected at the factory step by welding or the like.

The connecting metal fitting body 30 is formed of a plate-shaped rigid member such as iron, is fixed to the foundation 200 side, and the pillar 1
6 has a function of mounting and supporting the bottom plate portion 31, the side plate portion 3
3a (33b, 33c), upper plate portion 34, and opening portion 36
The bottom plate portion 31, the side plate portion 33, and the upper plate portion 24 are integrally formed into a substantially box shape.

The bottom plate portion 31 is placed on the floor surface of the foundation 200 at the corner portion of the foundation 200 so as to match the outer edge of the foundation 200, and is formed in a substantially square plate shape, and the anchor bolt 10 is formed. It has a hole 32 that can be inserted therethrough. Then, the anchor bolt 10 is inserted into the hole 32, and the washer 1
By tightening the nut 14 with 2 interposed, the connecting fitting body 30 can be fixed to the floor on the foundation 200.

The thickness of the bottom plate portion 31 is 9 mm, for example, while the thickness of the side plate portion 33 and the upper plate portion 34 is 4.5 mm, for example. In this way, the bottom plate portion 31 is formed in a thick shape to sufficiently resist buckling load compression in the connecting region of the column 16 and the foundation 200 and buckling deformation due to a bending moment acting on the column 16. You can

As shown in FIG. 2, the holes 32 are formed in the bottom plate portion 3
The hole is formed at a position that is displaced by Δt toward the indoor side of the foundation 200 from the intersection (B shown in FIG. 2) of each diagonal connecting each vertex on one plane. When the hole 32 is formed in a position that is displaced by Δt toward the indoor side of the foundation 200, one end of the anchor bolt 10 is embedded on the foundation 200 at a position where it can be inserted into the hole 32. In this case, as compared with the case where the hole 32 is provided substantially in the center area of the bottom plate portion which is the intersection B of the diagonal line and one end of the anchor bolt 10 is embedded on the base 200 so that the anchor 32 can be inserted into the hole 32, Since the distance t from the outdoor end surface to the anchor bolt 10 burying position is increased by t + Δt and Δt, the breakage resistance and shear resistance of the foundation 200 in the length t + Δt region are increased.

Further, conventionally, as shown in FIG. 5, there are two anchor embedding points in the foundation 200 for one pillar 206, but in the present example, only one location is required. The degree of breakage resistance and shear resistance of the foundation 200 can be increased.

Further, the hole 32 is formed to have a diameter larger than that of the anchor bolt 10, for example, a diameter of 16 mm, and is provided with a clearance for absorbing a positional deviation (mounting error) when the bolt is inserted. As a result, the positioning accuracy can be allowed by enlarging the hole 32 formed in the foundation 200.

Further, if the hole 32 is formed in the intersection B region, if the hole 32 is too large, the diameter of the anchor bolt 10 becomes large and the thickness of the side face becomes thin, and the foundation 200 becomes brittle. If the angle is reduced, the alignment of the anchor bolt 10 becomes difficult. Therefore, by forming the hole 32 at a position displaced inward from the intersection B, the hole 32 can be made as large as desired.

The side plate portion 33, as shown in FIG.
Is formed to have a predetermined width determined by the relationship with the width of the bottom plate portion 31, and is bent and erected above at least three sides of the bottom plate portion 31 to form side plate portions 33a, 33b, 33c having a U-shaped cross section.

The upper plate portion 34 includes the side plate portions 33a, 33b, 3
It is a plate-like member which is formed on the upper end of 3c and on which the pillar 16 can be placed.

If the connecting fitting body 30 is formed in a box shape as described above, it is possible to sufficiently resist the buckling load compression.

The opening portion 36 has a function as a bolt tightening operation portion for tightening the anchor bolt 10 with the nut 14, and the bottom plate portion 31, the side plate portion 33 and the upper plate portion 34.
At least one side of the box-shaped hexahedron formed by the above is opened, and the opening 36 is formed on the side of the foundation 200, for example, on the side of the outside of the foundation 200 (this example), the shop of the foundation 200. It is fixed on the foundation 200 so as to face the inner side or the like. Thereby, the anchor bolt 10, the washer 12, and the nut 14 that connect the bottom plate portion 31 are utilized by using the opening portion 36.
Can be easily tightened.

As shown in FIG. 1, the connecting fitting 40 is a rigid member having an L-shaped cross section, has a function of connecting the connecting hardware body 30 and the pillar 16, and is adjacent to the pillar 16. A first plate 4 formed so as to be in surface contact with at least two sides
2a and the second plate 42b.

The first plate 42a includes a pillar-side mounting portion 44a mounted and fixed to the pillar 16 side and a side plate portion 3 of the coupling fitting body 30.
And a main body side attachment portion 46a that is attached and fixed to 3a.

The second plate 42b has a pillar-side mounting portion 44b mounted and fixed to the pillar 16 side, and a side plate portion 3 of the coupling fitting body 30.
And a main body side attachment portion 46b that is attached and fixed to 3b.

In both the first plate 42a and the second plate 42b, the pillar-side mounting portion 44a (44b) is in surface contact with the lower end of the side surface of the pillar 16 and is fixed by, for example, a nail, and the main-body-side mounting portion 46a. (46b) is a side plate portion 33a of the coupling fitting body 30
It makes surface contact with (33b) and is previously connected by welding or the like at the factory stage.

Further, the portion projecting from the upper plate portion 34 of the first plate 42a and the second plate 42b, that is, the column side mounting portion 44.
The plate thickness of a (44b) is preferably 3.2 mm, for example. As a result, the connecting fitting 40 and the pillar 16 can be connected by tapping on the spot.

The present embodiment is configured as described above, and the construction method of the connecting structure will be described below with reference to FIGS.
This will be described with reference to FIG.

At the factory stage, the main body side mounting portion 46 of the connecting fitting 30 and the connecting fitting body 30 are integrally formed by welding or the like.

At a construction site, as shown in FIG. 1, anchor bolts 10 are embedded in the corners of the cloth foundation 200.
, And the floor panel 202 and the semi-base 203 are mounted on it. Then, as shown by the arrow A, the metal fitting 20 is moved downward so that the protruding end of the anchor bolt 10 is inserted into the hole 32.
The nut 14 is screwed into the bolt 10 with the washer 12 interposed, and the connecting fitting body 30 is fixed to the floor on the foundation 200. At this time, nut 1
The tightening of 4 is performed by using the opening 36 as a working port.

Next, the pillar 16 is slid downward and placed on the upper plate portion 34 of the connecting hardware body 30, and the upper plate portion 3 of the connecting fitting 40 is attached to the lower ends of at least two adjacent side surfaces of the pillar 20.
4, the pillar-side mounting portion 44a (4
4b) is in surface contact with a pillar 16 by driving in a nail or the like.
And the metal fitting 20 are fixed.

At this time, after the lower ends of the pillars 16 are placed on the upper plate portion 34 of the connecting metal fitting body 30, the pillars 16 are slid in the lateral direction, so that the two pillar-side mounting portions 4 of the connecting metal fittings 40 are mounted.
4a and 44b are in surface contact with the two side surfaces of the pillar 16, and the position of the pillar 16 to be erected is uniquely positioned.

Further, in the corner portion, since the column-side mounting portions 44a and 44b are connected adjacent to each other at a right angle, a strong strength against shearing force to the column 16 at the time of fixing is secured. Will have.

The fixing work between the metal fitting 20 and the pillar 16 may be carried out after the metal fitting 20 is mounted and fixed on the foundation 200, or the metal fitting 20 and the pillar 16 may be mounted and fixed in advance and then the metal fitting 20 is fixed. The column 16 with 20 may be fixed to the foundation 200.

As described above, the present embodiment has the following effects.

(1) The connecting fitting main body is formed into a substantially box-like shape in which the bottom plate portion, the side plate portion and the upper plate portion are integrated, and the connecting fitting main body firmly connects the pillar and the connecting fitting main body. ,
By integrally forming the connecting metal fitting body that is firmly connected to the foundation by fastening the anchor bolts and nuts through the bottom plate, the upward bending force due to bending moment and buckling compression It has sufficient durability against both the downward force due to the load and the force. Even if a strong bending moment is generated in the pillar, the pillar can be firmly connected and fixed without being lifted up from the foundation as in the conventional case.

(2) Since the opening is formed so as to open to the side of the foundation, the opening is formed on the side of the foundation, for example, on the outdoor side of the foundation or on the indoor side of the foundation. The bolts and nuts can be easily tightened using the parts. Further, even if the wipe-up occurs, the bolts and nuts can be securely fastened by tightening them more firmly. As described above, by applying the present invention, the pillar 16 can be erected and fixed by a simple work, and the construction time can be shortened.

(3) When a hole is drilled at a position displaced toward the indoor side of the foundation, one end of the anchor bolt is buried on the foundation at a position where it can be inserted into the hole. In this case, a hole is drilled approximately in the central area of the bottom plate portion that is the intersection of the diagonal lines, and one end of the anchor bolt is embedded on the foundation so that it can be inserted into the hole, rather than when the anchor bolt is installed from the outdoor end surface of the foundation. Since the distance to the embedding position is long, the breakage resistance and shearing resistance of the foundation in the length region are increased.

(4) In the prior art, there were two anchor embedding points in the foundation for one pillar, but in this example, only one location is required. The shearing force can be increased.

(5) Since the bottom plate portion is formed in a thick shape, it is sufficiently resistant to buckling load compression in the connecting region between the column and the foundation and buckling deformation due to the lifting force due to the bending moment acting on the column. Can withstand.

(6) When the pillar is erected at the corner portion of the foundation construction area, the portion projecting from the upper plate portion of the connecting fitting is formed into a shape in which the adjacent two surfaces of the square member are in surface contact with each other, so that the pillar is Can be firmly connected to the connecting fitting.

[Second Embodiment] Next, a second embodiment in which the connecting fitting of the present invention is applied to a straight portion of a foundation construction area will be described with reference to FIGS. 3 and 4. FIG. 3 is a perspective view showing an embodiment in which the connecting fitting of the present invention is applied to a straight line portion of a foundation construction area. FIG. 4 is a cross-sectional view showing the connection structure of FIG. It should be noted that detailed description of members having substantially the same configuration as in the first embodiment will be omitted, and only different portions will be described.

As shown in FIG. 3, the second embodiment differs from the first embodiment in the structure of the metal fitting 50, more specifically, the connecting metal fitting 70.

The reference numerals of the common parts correspond to the reference numerals of the first embodiment, that is, the anchor bolt 10 corresponds to 80, the washer 12 corresponds to 82, the nut 14 corresponds to 84, and the pillar 16 corresponds. Corresponds to 86, the connecting metal fitting body 30 corresponds to 60, the bottom plate part 31 corresponds to 61, the hole 32 corresponds to 62, and the side plate parts 33a, 33b, 33c are 63a, 63b.
The upper plate 34 corresponds to 64, and the opening 36 corresponds to 66. In addition, FIG. 3 shows a straight portion of the foundation, and the cloth foundation 20 that constitutes the floor of the first floor from the foundation.
0, floor panel 202, half base 203, anchor bolt 2
Since 04 is the same as the conventional example in FIG. 5, description thereof will be omitted.

The embodiment of FIG. 3 includes the anchor bolt 80, the pillar 86, and the metal fitting 50. The anchor bolt 80 is embedded in the straight portion of the foundation 200, and the anchor bolt 10 of FIG. The same as that of FIG. 1 is also used for the connecting fitting body 60.

The bottom plate portion 61 is placed on the floor surface of the foundation 200 in line with the outer edge of the foundation 200 in the straight portion of the floor on the foundation 200. It has a hole 62 similar to the portion 31.

As shown in FIG. 3, the connecting fitting 70 is a pair of rigid members, has a function of connecting the connecting metal body 60 and the pillar 86, and can make surface contact with at least two opposite sides of the pillar 86. The first plate 72a and the second plate 72 formed on the
b.

The first plate 72a includes a pillar-side mounting portion 74a that is mounted and fixed to the pillar 86 side, and the side plate portion 6 of the coupling fitting body 60.
And a main body side attachment portion 76a that is attached and fixed to 3a.

The second plate 72b includes a pillar-side mounting portion 74b mounted and fixed to the pillar 86 side and a side plate portion 6 of the coupling fitting body 60.
And a main body side attachment portion 76b that is attached and fixed to 3c.

In both the first plate 72a and the second plate 72b, the pillar-side mounting portion 74a (74b) is in surface contact with the lower end of the side surface of the pillar 86 and is fixed by, for example, a nail, and the main-body-side mounting portion 76a. (76b) is a side plate portion 63a of the connecting fitting body 60.
It makes surface contact with (63c) and is connected in advance by welding or the like at the factory stage.

Further, the portion projecting from the upper plate portion 74 of the first plate 72a and the second plate 72b, that is, the column side mounting portion 74.
The plate thickness of a (74b) is preferably 3.2 mm, for example. As a result, the connecting fitting 70 and the pillar 86 can be connected by tapping on the spot.

As described above, in the embodiment of FIG. 3, since the pillar 86 is erected on the straight portion of the foundation 200, there are some modifications corresponding thereto, but it is almost the same as that of the embodiment of FIG. Therefore, the method of connecting the pillar and the foundation using the connecting fitting in the second embodiment is the same as in the first embodiment.

The effect of the second embodiment can be expected to be the same as that of the first embodiment, and
Even when the pillar is erected on the straight part of the foundation construction area, use a square member as a pillar, and make the portion projecting from the upper plate part of the connecting metal fitting into surface contact with the two opposing faces of the square member. Thus, the pillar and the connecting fitting can be firmly connected. .

In any of the embodiments shown in FIGS. 1 and 3, it is possible to obtain a structure in which a strong column can be erected and fixed by a simple structure and a simple operation, and thereby a wall panel can be reinforced. is there.

While the apparatus and method of the present invention have been described in accordance with some specific embodiments thereof, those skilled in the art will appreciate the practice described in the text of the invention without departing from the spirit and scope of the invention. Various modifications can be made to the form. For example, although the structure of the connecting fitting body and the connecting fitting are integrated, they may be formed as separate members.

Further, the connection structure of the pillar and the foundation as described above is not limited to the reinforcing pillar used in the panel construction method, but to the one connecting the pillar and the foundation used in the other frame construction method or the like. Can also be applied.

Furthermore, the present invention is not limited to corners and straight portions of the foundation, but can be applied to T-shaped and cross-shaped regions.

[0082]

According to each of the first and fourth aspects of the present invention, sufficient durability is provided against both upward force due to bending moment and downward force due to buckling compression load. It has good properties and can be firmly connected and fixed. Further, the bolt / nut fastening work can be easily performed by utilizing the opening. further,
Even if a wipe-up occurs, the bolts and nuts can be securely fixed.

In particular, according to the fourth aspect, if the nut is screwed into the bolt and tightened, the connecting metal fitting body cannot be mounted on the foundation, and the construction time can be shortened.

According to the second aspect of the present invention, the distance from the outdoor end face of the foundation to the anchor bolt embedding position is long, so that the degree of breakage resistance and shear resistance of the foundation in the length region is increased. In addition, since the anchor is embedded only in one place, the degree of breakage resistance and shear resistance of the foundation can be increased.

According to the third aspect of the invention, it is possible to sufficiently resist the buckling load compression in the connecting region between the column and the foundation and the buckling deformation due to the bending moment acting on the column.

According to the fifth aspect of the invention, at the corner portion, the connecting metal fittings are brought into surface contact with the two adjacent surfaces of the square column, and a strong connection can be achieved.

According to the sixth aspect of the invention, in the straight portion, the connecting metal fittings are brought into surface contact with the two opposing surfaces of the rectangular prism, so that a strong connection can be achieved.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an example of an embodiment in which a connecting structure using a connecting fitting according to the present invention is applied to a corner portion.

FIG. 2 is a cross-sectional view showing the connection structure of FIG.

FIG. 3 is a perspective view showing an example of an embodiment in which a connecting structure using a connecting fitting according to the present invention is applied to a straight line portion.

4 is a cross-sectional view showing the connection structure of FIG.

FIG. 5 is a perspective view showing a pillar fixing structure on the first floor of a conventional three-story building.

[Explanation of symbols]

10, 80, 204 Anchor bolts 16, 86, 206 Columns 20, 50 Metal fittings 30, 60 Connecting metal fitting bodies 31, 61 Bottom plate parts 32, 62 Holes 33a (33b / 33c), 63a (63b / 63c)
Side plate part 34, 64 Upper plate part 36, 66 Opening part 40, 70 Coupling metal fitting 200 Base 202 Floor panel 203 Half base 205 Sheath tube 207 Battledore hardware

Claims (6)

[Claims] 1. A connecting fitting for connecting a foundation and a pillar standing on the foundation, the connecting fitting main body being arranged between the foundation and a lower end of the pillar, and the pillar side. And a bottom plate portion that is fixedly attached to the base side, the connection bracket body having a hole through which an anchor bolt protruding from the base is inserted, A side plate part that is bent and erected from the bottom plate part and is formed in the periphery while leaving an opening in a part, and a plate-shaped upper plate part that is formed at the upper end of the side plate part and on which the pillar is mounted, A connecting fitting characterized by having. 2. The hole of the bottom plate portion according to claim 1, wherein the hole of the bottom plate portion is formed at a position that is displaced toward an indoor side of the foundation from an intersection of diagonal lines connecting respective vertices on the plane of the bottom plate portion. And connecting metal fittings. 3. The connecting fitting according to claim 1, wherein the bottom plate portion is formed to be thicker than the side plate portion. 4. A connecting structure, which connects a foundation and a pillar erected from the foundation, the foundation, a pillar erected on the foundation, and the foundation at an erected position of the pillar. An anchor bolt embedded in the base and protruding above the top surface of the foundation, a bottom plate portion having a hole through which a protruding end of the anchor bolt is inserted and fixedly attached by a nut, and bent upright from the bottom plate portion. At least three side plate parts, a plate-like upper plate part connecting the upper ends of the three side plate parts and mounting the pillar, and an opening part for anchor bolt tightening operation opening at least on one side surface. And a connecting metal fitting body disposed between the foundation and the lower end of the pillar, and a connecting metal fitting protruding from the side plate portion and connected to the pillar side. The characteristic connection structure between the pillar and the foundation. 5. The pillar according to claim 4, wherein the pillar is a square bar having a substantially rectangular cross section that is erected at a corner portion of the foundation construction region, and the connecting metal member is in surface contact with two adjacent surfaces of the square bar. A connection structure of columns and foundations characterized by having a shape. 6. The pillar according to claim 4, wherein the pillar is a square bar having a substantially rectangular cross section that is erected on a straight line portion of a foundation construction region, and the connecting metal fittings are in surface contact with two opposing surfaces of the square bar. A connection structure of columns and foundations characterized by having a shape.