JP4563563B2 - Handrail mounting structure on the wall composed of ALC panels - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a structure for attaching a handrail on a rising wall portion constituted by an ALC panel.
[0002]
[Prior art]
Recently, as a wall structure, a so-called dry rocking method has been used in which the joints of ALC panels (lightweight cellular concrete panels) are not filled with adhesive materials such as mortar that inhibit the sliding of the ALC panels to prevent earthquakes. Many have been adopted. This is a structure in which individual ALC panels are slid by actively following the interlayer deformation of the building, and the same construction method can also be used on verandas, balconies, parapets, etc. that use the rising walls of these ALC panels. desired.
[0003]
An ALC wall structure with a handrail in which the rising wall portion of the ALC panel is used as a veranda and a handrail is attached to the upper edge of the ALC panel is disclosed (Japanese Patent Laid-Open No. 2000-129773). As shown in FIG. 7, this wall structure has a plurality of ALC panels 81 arranged in a vertical direction with the intermediate portion in the height direction being a ruler angle 82 arranged on the beam 88 of the building and the lower portion extending downward from the beam. Each of them is fixed to a ruler angle 82 fixed to the base steel material 89 by using a metal fitting 83.
[0004]
In addition, an anchor member 84 having a male screw threaded on the upper portion is planted at the center of the upper edge of each ALC panel 81, and a handrail mounting member 86 to which a handrail support member 85 is fixed at a predetermined interval is provided. Screwed with a nut 87. Further, a headboard 92 through which the handrail support member 91 penetrates is placed on the upper part of the handrail attachment member 86, and a handrail portion 93 is attached to the spacer fixed to the upper end of the handrail support member 91.
[0005]
[Problems to be solved by the invention]
Now, in the ALC wall structure with a handrail, the handrail attachment member 86 is a long material, and the position of the hole provided in this and the attachment position of the anchor member 84 must be matched. There is a problem that the position of the member 85, the through hole of the headboard 92, and the position of the handrail support member 91 attached to the handrail portion 93 need to be matched, and the workability is lacking and the number of parts is large. In addition, the ALC wall structure with a handrail requires a dedicated handrail attachment member, which leads to an increase in cost.
[0006]
Further, when a relative displacement occurs between the middle part and the lower part of the ALC panel 81 due to an earthquake or the like, and the ALC panel 81 slides at an inclination, the handrail mounting member 86 made of a steel plate floats from the upper surface part of the ALC panel 81. There is a possibility that the anchor member 84 may be pulled out. Furthermore, when the handrail support member 91 is inclined together with the ALC panel 81, there is a concern that the attachment portion between the handrail support member 91 and the handrail portion 93 is damaged.
[0007]
This invention is made | formed in view of the said problem, It aims at providing the attachment structure of the handrail which was excellent in the followable | trackability with respect to the inclination of ALC panel by an earthquake etc., and was excellent also in workability and economical efficiency. .
[0008]
[Means for Solving the Problems]
In order to solve the technical problems described above, the handrail mounting structure according to the present invention has a structure in which a plurality of long rectangular ALC panels 2 are arranged horizontally on a housing of a building as shown in FIG. Are arranged so as to be tiltable in the horizontal direction, the rising wall portion 8 is formed, the handrail support column 4 is erected at the center of the upper surface of each ALC panel, and the handrail material is horizontally disposed on the upper portion of the handrail support column 4. 5 and the handrail support column 4 is attached to the handrail material 5 so as to be rotatable in the longitudinal direction.
[0009]
Moreover, the attachment structure of the handrail according to the present invention is such that the column base 42 having the handrail support column 4 fitted therein and the support base 3 having the substrate 41 fixed by using the anchor member is provided at the center of the upper surface portion of the ALC panel 2. The handrail material 5 is attached to the upper portion of the handrail support column 4 using a single bolt or pin as a rotation shaft.
[0010]
In addition, in the handrail mounting structure according to the present invention, the ALC panel 2 has its lower part and middle part mounted and supported on the building frame via mounting brackets, and the left and right side parts of each ALC panel 2 are connected to each other. The rising wall portion 8 is formed so as to be slidable.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments of a handrail mounting structure according to the present invention will be described with reference to the drawings.
As shown in FIG. 1, the handrail mounting structure includes a plurality of ALC panels 2 arranged in parallel on the upper part of a housing 1 that forms the foundation of a building to form a wall surface, and a rising wall portion 8 on an upper portion of the ALC panel 2. The support column 3 is erected on the upper surface portion 10 of each ALC panel 2, and the handrail support column 4 is fitted on the support column support 3. Is installed. And the handrail support | pillar 4 which hangs at right angle with respect to the handrail material 5 is attached so that rotation in the longitudinal direction is possible in the range of a predetermined angle.
The wall structure by these ALC panels 2 is based on the dry rocking method, and the rising wall portion can be applied to a veranda, a balcony, a parapet, or the like.
[0012]
The ALC panel 2 is a rectangular plate member having a predetermined thickness, and has a flat upper surface portion 10 as a forehead in the upper portion, and protrudes in the longitudinal direction on one of the upper and lower longitudinal side portions. A strip 11 is formed, and a groove 12 is formed on the other side in the longitudinal direction.
[0013]
On the other hand, a steel angle member 13 is fixed to the upper part of the housing 1 along the housing 1, and an H-shaped steel beam 14 is laid as an upper-floor building housing above the beam 14. The angle member 15 is fixed along the. In each ALC panel 2, anchor bolts 16 are respectively embedded in the vicinity of the angle members 13 and 15, and a fastening member 18 is attached to the ALC panel 2 using a nut 17. The fastening member 18 is attached to the angle member 15. The ALC panel 2 is fixed to the angle members 13 and 15 by being attached. Adjacent ALC panels 2 are arranged in such a manner that the side surface of one ridge 11 is fitted into the side surface of the other concave groove 12, and an elastic sealing material is used without using mortar or the like for the joints of both. It is made slidable using.
[0014]
The handrail material 5 is made of aluminum, and as shown in FIG. 2, a long cylindrical cover portion 21 having an arcuate upper portion and a flat lower portion 22, and a groove shape opened downward in the central portion of the flat portion 22. It consists of a fitting part 23. The groove-like insertion portion 23 has a side plate portion 24 formed vertically from the flat portion 22, an upper plate portion 25 is formed on the upper portion, and a flange portion 26 that is bent horizontally outward is formed on the lower end portion of the side plate portion 24. Yes. The side plate portion 24 of the groove-like fitting portion 23 is provided with a through hole 27 passing horizontally through the both side plate portions 24 at a position below the flat portion 22, and the interval between the through holes 27 is as follows. It is the same as the arrangement interval of the handrail column 4.
[0015]
The handrail support column 4 is a prism having a square cross section, and a joint portion 32 in which a protruding plate 31 is erected from the central portion of the substrate 30 is fixed to the upper portion thereof with screws 33 at the four corners of the substrate 30. A hole 34 is provided in a substantially central portion of the protruding plate 31, and a fitting hole 35 is formed in the handrail support column 4 upward from the lower end portion. Both the handrail support column 4 and the joint portion 32 are made of aluminum or steel.
[0016]
Here, the handrail support column 4 is attached to the handrail material 5 so as to be rotatable. That is, the protruding plate 31 of the joint portion 32 of the handrail support column 4 is inserted into the groove-like insertion portion 23 of the handrail material 5, and the hexagon socket bolt 36 is protruded from the through hole 27 on the front side of the groove-like insertion portion 23. The rear through hole 27 is passed through the hole 34 of the plate 31 and is tightened with a nut 37. Thus, in the handrail mounting structure described above, the handrail support column 4 is connected to the handrail material 5 by a single bolt 36. Similarly, the handrail column 4 is attached to the handrail material 5 at a predetermined interval.
[0017]
FIG. 3 shows a state in which the column base 3 is attached to the upper surface portion 10 of the ALC panel 2. The column base 3 is made of steel or aluminum, and a columnar column member 42 is erected and fixed at the center of a rectangular substrate 41. The width of the substrate 41 is the same as the thickness of the upper surface portion 10 of the ALC panel 2. Further, long holes 43 are formed in the substrate 41 on the left and right sides of the column member 42 in the longitudinal direction of the upper surface.
[0018]
The column base 3 is attached to the central portion in the longitudinal direction of the upper surface portion 10 of the ALC panel 2. First, holes are made in two places corresponding to the long holes 43 on the upper surface portion 10, and an adhesive is injected into these holes. And the screw 45 for concrete is screwed in as an anchor member through the washer 44, and the support | pillar base 3 is fixed. Instead of the screw 45, a screw 47 that uses the locking member shown in FIG. 4B may be used. Similarly, the column base 3 is attached to the central portion of the upper surface portion 10 for the other ALC panels 2 arranged in parallel. Fixing the column base 3 to the center part of the ALC panel 2 is superior in mounting strength to the end part, and is less than the inclined sliding distance of the panel end part against the inclined sliding of the ALC panel 2. This is because each handrail support column 4 rotates with a good balance with respect to the handrail material 5.
[0019]
Then, the handrail column 5 of the handrail member 5 assembled in advance is fitted into the corresponding column base 3 using the fitting hole 35 and the handrail member 5 is mounted. In this case, when the positions of the column base 3 and the handrail column 4 are shifted due to an attachment error or the like, the position can be adjusted by moving the column base 3 within the range of the long hole 43 of the column base 3.
After the handrail material 5 is mounted, a screw 46 for self-drilling is screwed in the vicinity of the lower portion of the handrail column 4, and the handrail column 4 is fixed to the column member 42 of the column base 3.
[0020]
After the attachment, the handrail support column 4 is installed in the vertical direction and the handrail material 5 is installed in the horizontal direction, and they intersect at an angle of 90 degrees. A certain amount of space is formed between the upper portion of the protruding plate 31 and the upper plate portion 25 of the groove-like insertion portion 23, and the angle formed by the handrail support column 4 and the handrail material 5 with the bolt 36 as an axis. Can be rotated at a predetermined angle from 90 degrees. Note that if the upper portion of the protruding plate 31 is formed in an arc shape, the space between the upper end portion of the protruding plate 31 and the upper plate portion 25 of the groove-like fitting portion 23 is small.
[0021]
As shown in FIG. 4 (a), in the handrail mounting structure, an interlayer deformation occurs between the building foundation and the upper floor due to an earthquake or the like, and the ALC panel 2 slides in an inclined manner. When the panel 2 is inclined at a predetermined angle from the vertical direction, the column base 3 and the handrail column 4 are also inclined accordingly. Then, as shown in FIG. 4B, the handrail support column 4 rotates with respect to the handrail material 5 by an angle (θ) corresponding to the inclination with the bolt 36 as an axis. Thereby, each member, such as the support | pillar base 3, the handrail support | pillar 4, and the handrail material 5, can follow the inclination of the ALC panel 2 without being damaged. This handrail mounting structure can be applied to any form of ALC panel 2 mounting structure as long as the ALC panel 2 slides in an inclined manner due to interlayer deformation of the building or the like.
[0022]
Therefore, the attachment structure of the handrail is configured by connecting the handrail support column 4 to the handrail material 5 with a single bolt 36, and having a small number of parts such as the support table 3, the handrail support column 4, and the handrail material 5. The shape of each member is simple, and both contribute to economy and reduce costs. Moreover, it is excellent also in the intensity | strength etc. which fix the support | pillar base 3 in the center part of the upper edge of the ALC panel 2, and can follow the interlayer deformation | transformation of the building by an earthquake etc. effectively.
[0023]
FIG. 5 shows a handrail attachment structure according to another embodiment. In this mounting structure, since the mounting structure of the ALC panel 2 and the mounting structure of the column base 3 are the same as those in the above embodiment, the description thereof is omitted here. The same components as those in the above embodiment are denoted by the same reference numerals and the description thereof is omitted.
[0024]
Now, in this embodiment, the handrail support column 4 and the handrail material 51 fitted into the support column 3 standing on the upper surface portion 10 of the ALC panel 2 are connected via the fitting member 61, and the handrail support column 4 is It is attached to the handrail material 51 so as to be rotatable. This handrail mounting structure can be applied to rising walls such as a veranda, a balcony, and a parapet as in the above embodiment.
[0025]
As shown in FIGS. 5 (a) and 5 (b), the handrail member 51 has a long cylindrical shape made of aluminum, and has a cover portion 52 having a circular cross section leaving the lower portion, and a groove opened downward in the lower portion. Each fitting part 53 is formed. The groove-like fitting portion 53 has a side plate portion 54 formed on the upper and lower sides, an upper plate portion 55 connected to the upper portion, a lower end portion of the side plate portion 54 connected to the cover portion 52, and a lower portion of the both side plate portions 54. Each has an inward flange portion 56.
[0026]
The fitting member 61 generally has a rectangular parallelepiped shape, and a long insertion hole 63 is formed in the center portion of the upper surface portion 62 so as to extend long in the longitudinal direction. Screw holes 64 each having a screw are formed on both sides thereof. Further, the fitting member 61 is provided with a circular through hole 65 that horizontally penetrates the side portion thereof and passes through the substantially central portion of the long insertion hole 63.
[0027]
A joint portion 71 is provided on the upper portion of the handrail support column 4, and the projecting plate 73 is erected from the central portion of the substrate 72, and the four corners of the substrate 72 are fixed to the handrail support column 4 using screws 74. ing. A hole 75 is provided in a substantially upper center portion of the protruding plate 73, and an upper portion 76 of the protruding plate 73 is formed in an arc shape. Then, as shown in FIG. 5A, the protruding plate 73 of the joint portion 71 is inserted into the long insertion hole 63 of the fitting member 61, the centers of the hole 75 and the through hole 65 are aligned, and the pin 66 Are inserted through these holes to connect the two. In this state, the joint portion 71 can be rotated at a predetermined angle with respect to the handrail material 51 around the single pin 66.
[0028]
The fitting member 61 is fitted into the groove-like fitting portion 53 of the handrail material 51 from the longitudinal direction side with the joint portion 71 attached, and is slid and moved within the groove of the groove-like fitting portion 53 to a predetermined position. To do. Similarly, a necessary number of fitting members 61 are arranged at predetermined positions of the groove-like fitting portion 53.
[0029]
On the other hand, the column bases 3 are fixed to the upper surface portion 10 of the ALC panel 2, and the handrail columns 4 attached to the handrail material 51 are fitted into these column bases 3, respectively. At this time, since the handrail support column 4 can move along the groove-shaped fitting portion 53 of the handrail material 51, it can be freely adjusted according to the arrangement position of the support table 3. Then, a hexagon socket head bolt 67 is screwed into each screw hole 64 from below the fitting member 61. The tip of the bolt 67 is crimped to the upper plate portion 55 of the groove-like fitting portion 53 to fix the fitting member 61 to the handrail material 51. Finally, the handrail support column 4 is fixed to the support column 3 using the screw 46.
[0030]
As shown in FIGS. 6 (a) and 6 (b), in the handrail mounting structure described above, when an interlayer deformation occurs in the building due to an earthquake or the like and the ALC panel 2 slides at an inclination, the handrail support column 4 is attached to the handrail material 51. On the other hand, the pin 66 is pivoted at an angle corresponding to the inclination. For this reason, each member, such as the column base 3, the handrail column 4, and the handrail material 51, can follow the inclination of the ALC panel 2 without being damaged. Note that this handrail attachment structure is applicable to any form of ALC panel 2 attachment structure that slides at an angle.
[0031]
Therefore, the same effect as that of the above embodiment can be obtained with the handrail mounting structure, and the strength of the support base 3 is fixed at the center of the upper edge of the ALC panel 2, and the earthquake is effectively effective. Can follow the interlayer deformation of buildings.
[0032]
【The invention's effect】
As described above, according to the handrail attachment structure according to the present invention, the ALC panel is attached to the building frame in a tiltable manner to form a rising wall portion, and the handrail is erected at the center of the upper surface portion of the ALC panel. Adopting a structure in which the column is pivotably attached to the handrail material, it is excellent in strength, and each member can effectively follow the interlayer deformation of the building due to earthquake etc. without being damaged Play.
[0033]
In addition, the handrail mounting structure according to the present invention is such that the support column is erected at the center of the ALC panel, and the handrail material is attached to the upper part of the handrail support using a single bolt or pin as a rotation axis. Since the configuration is adopted, there is an effect that it is configured with a small number of parts, the shape of each member is simple, and the cost is excellent.
[0034]
Moreover, the attachment structure of the handrail according to the present invention is such that the lower part and the middle part of the ALC panel are attached to and supported by the building frame, and the side walls of the ALC panel are slidably contacted to form the rising wall part. There is an effect that the ALC panel can be inclined and slid with respect to the interlayer deformation of the building frame, and the damage does not occur.
[Brief description of the drawings]
FIG. 1 is a diagram showing a handrail attachment structure according to an embodiment of the present invention.
FIG. 2 is an explanatory diagram for attaching a handrail post to a handrail material according to the embodiment;
FIG. 3 is an explanatory view of attachment of a column base and a handrail column according to the embodiment.
4A is a diagram illustrating an inclined ALC panel according to the embodiment, and FIG. 4B is a diagram illustrating rotation of a handrail column with respect to a handrail material.
5A and 5B are diagrams showing a handrail attachment structure according to another embodiment of the present invention, in which FIG. 5A is a diagram showing a relationship between a handrail material, a fitting member, and a joint portion, and FIG. It is a figure which shows the state which attached the handrail support | pillar.
6A is a diagram showing a handrail column that has been rotated, and FIG. 6B is a side view of the embodiment; FIG.
FIG. 7 is a view showing a handrail attachment structure according to a conventional example.
[Explanation of symbols]
2 ALC panel 3 Post stand 4 Handrail post 5 Handrail material 8 Rising wall portion 41 Substrate 42 Column member

Claims (3)

A plurality of elongate rectangular ALC panels (2) are arranged on the building's housing so that the panel surfaces are aligned side by side and tilted in the lateral direction to form a rising wall (8),
A handrail mounting structure in which a handrail support column (4) is erected at the center of the upper surface portion of each ALC panel, and a handrail material (5) is disposed in the horizontal direction above the handrail support column (4),
The joint part (32) in which the protruding plate (31) is erected on the substrate (30) is fixed to the upper part of the handrail support (4),
The protruding plate (31) of the joint portion (32) is inserted into the groove-like fitting portion (23) of the handrail material (5), and the upper portion of the protruding plate (31) and the groove-like fitting portion (23) are inserted. While forming a space between the upper plate and connecting both using a single bolt or pin,
A structure for attaching a handrail on a wall composed of an ALC panel, characterized in that the handrail support (4) is attached to a handrail material (5) so as to be rotatable in the longitudinal direction about the bolt or pin. . A column base (3) having a column member (42) to which the handrail column (4) is fitted and a substrate (41) fixed using an anchor member is placed at the center of the upper surface portion of the ALC panel (2). The handrail attachment structure in the wall part comprised with the ALC panel of Claim 1 characterized by the above-mentioned. The lower part and the middle part of the ALC panel (2) are attached to and supported by the building frame via mounting brackets, and the left and right side parts of each ALC panel (2) are slidably brought into contact with each other. The handrail mounting structure on the wall portion constituted by the ALC panel according to claim 1 or 2, wherein the rising wall portion (8) is formed.

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