JP2002138600A - Structure for wall with high rigidity and proof strength - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a structure for a wall of a building as well as steel frames used therefor which is characteristic of high rigidity and high proof strength to guarantee safety even in case of earthquakes and strong winds. SOLUTION: A rectangular-shaped wall frame 2 including top and bottom horizontal side frame portions 5a and 5b and vertical side frame portions 6b and fitted in a space for a wall is provided, wherein steel frame members 7 to constitute frame portions 5a, 5b 6b are steel frames with various shapes of channels and a wall panel holding part 8 integrated as a unit, and each side 3a of a wall panel 3 is fitted into the wall panel holding part 8 and fixed by fasteners 4.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a high-rigidity and high-bearing wall structure for a residential structure such as a steel house.

[0002]

2. Description of the Related Art In recent years, a steel house having a load-bearing and earthquake-resistant structure has attracted attention as a residential structure. In this steel house, a channel steel made of a thin steel plate having a thickness of about 0.5 to 2.3 mm is used as a frame material such as a pillar or a beam, and a face material such as a wall plate or a floor plate is stretched on the frame material. When building this steel house, it is necessary to sufficiently increase the safety of the structural walls of the building against horizontal forces due to earthquakes, winds, and the like.

A conventional building structure wall is disclosed in, for example, Japanese Patent Application Laid-Open No. 9-287240, which was previously filed and published by the present applicant.
Japanese Patent Application Publication (hereinafter referred to as “prior example”) has a configuration disclosed in Japanese Patent Application Laid-Open Publication No. H10 (hereinafter, referred to as a prior art). In this prior example, as shown in FIG.
Rectangular wall frame a framed and assembled in the wall space of the building
Is framed by upper and lower horizontal frame members b, b, left and right vertical frame members c, c and an intermediate vertical frame member d made of thin steel channel steel having a U-shaped cross section, and a gypsum board is provided on a side surface of the wall frame a. A wall plate face member e made of a wood plywood or a brace face plate is joined by driving a fastener f such as a drill screw or a nail.

[0004] In the above-mentioned building structure wall, when the wall panel face material e is bonded to the side surface of the wall frame a and joined, the pitch of the fastener f to be driven into the corner portion of the wall panel face material e is different. By making it denser than the part, the durability against horizontal force due to earthquake, wind, etc. is improved.

[0005]

However, in the building structure wall in the above-mentioned prior art, the side surface of the channel member having a U-shaped cross section which forms the frame material of the wall frame a (the groove-shaped side in the drawing). Since the wall plate face material e is directly adhered to the steel flange surface) using a fastener f such as a drill screw and joined, the rigidity and strength of the wall are determined by the joint strength between the wall plate face material e and the fastener f. In particular, the shear strength of the fastener, which is related to the shaft diameter of the fastener, has a great influence. Therefore, it is necessary to use a greater number of fasteners f in order to make the entire wall have a high rigidity and a high yield strength structure.

However, in particular, the pitch of the fasteners f to be cast at the corners of the wall plate face material e is as dense as about 10 mm. The plate face material e has not yet been able to sufficiently draw out the resistance to shear deformation.

Further, as shown in FIG. 10, when a wall panel face member e is joined to a wall frame a by a fastener f, one steel sheet of the channel steel forming the wall frame a and the wall panel face are joined together. When the wall plate face material e is deformed by shearing stress, the fastener f is easily inclined due to the displacement, and the rigidity of the wall is improved.
The yield strength decreases.

The present invention has been made in view of the above-mentioned circumstances, and has high rigidity and high proof strength capable of improving the rigidity and proof strength of a wall for constructing a steel house and reducing the number of fasteners to be used. It is intended to provide a wall structure.

[0009]

The high rigidity and high strength wall structure according to the present invention is constituted as follows.

According to a first aspect of the present invention, each frame material of a rectangular wall frame to be assembled in a wall space of a building is formed of a steel frame material integrally provided with a wall plate surface material holding portion, and the respective steel materials are formed. It is characterized in that each peripheral portion of the wall plate face material is fitted into and sandwiched by the frame material wall plate face material holding portion.

According to a second aspect of the present invention, in the first aspect, a joining portion between the wall portion of the steel frame member and the peripheral portion of the wall portion is joined by a fastener. Features.

According to a third aspect of the present invention, in the first or second aspect, the steel frame material is formed into one unit by bending, drawing, or roll forming to have a substantially E-shaped or substantially S-shaped cross section. It is characterized in that steel is used and a wall plate face material holding portion is formed integrally with the shaped steel so that a peripheral portion of the wall plate face material can be fitted and held.

According to a fourth aspect of the present invention, in the first or second aspect, the steel frame member uses two units of an assembly member of a channel steel and an L-section steel. It is characterized in that the peripheral portion of the face material forms a wall plate face material holding portion which can be fitted and held.

[0014]

In the high rigidity and high strength wall structure according to the present invention, a rectangular wall frame to be assembled in a wall space of a building is made of a steel frame material, and a wall plate provided integrally with each steel frame material. The perimeter of the wall panel is inserted and clamped in the panel clamping section, or it is joined with a fastener in addition to the insertion and clamping, so that the wall panel panel resists shear deformation. Can be drawn out sufficiently.

That is, when the wall frame and the wall plate face material are joined, the respective peripheral portions of the wall plate face material are fitted and clamped in the wall plate face material clamping portion integral with the steel frame material forming the wall frame. Therefore, the joint between the wall frame and the wall plate face material is joined in the order of steel frame material-wall plate face material-steel frame material, and the fastener is inclined with respect to the deformation of the wall plate face material. And the rigidity and proof stress of the wall can be improved. Furthermore, since each peripheral portion of the wall plate face material is covered with the wall plate face material holding portion of the wall frame, even with a small number of fasteners, the joining strength with the wall frame can be increased, and the rigidity of the wall,
Strength can be improved.

[0016]

BRIEF DESCRIPTION OF THE DRAWINGS FIG.
This will be described in detail with reference to FIG.

FIGS. 1 to 5 show an embodiment of a high rigidity and high strength wall structure (hereinafter referred to as a high strength wall structure) according to the present invention.

As shown in the drawings, a high-strength wall structure 1 according to the present invention includes, for example, a wall frame 2 which is framed and assembled in a wall space of a building such as a steel house, and a rectangular wall frame 2. An assembling structure of a wall plate surface member 3 made of a gypsum board, a wood plywood or a brace surface plate to be joined, and a fastener 4 such as a drill screw or a nail for driving the wall plate surface member 3 into the wall frame 2 and joining the wall plate 2. Having.

The upper and lower horizontal frame members 5A and 5B and the left and right vertical frame members 6A and 6B constituting the rectangular wall frame 2 are all different from the conventional U-shaped channel steel, and have a special sectional shape. The lower horizontal frame member 5B is composed of a base 11
, And the upper horizontal frame member 5A is fixed to the beam 12.

More specifically, the steel frame member 7 shown in FIGS. 1 to 4 comprises a web 7A, both side flanges 7B and an intermediate flange 7C. The intermediate flange 7C is provided at a position offset to one side of the both-side flanges 7B, and a portion between the intermediate flange 7C and the one-side flange 7B-1 is the wall plate surface material holding portion 8. Here, the shape of the steel frame member 7 is referred to as an E-shape.

The method of forming the steel frame member 7 is arbitrary. For example, the steel frame member 7 may be formed of a channel steel having an E-shaped cross section formed into one unit by bending, drawing or roll forming. Schematically shows the steel frame member 7 manufactured by the method of (1).

As shown in FIG. 5, in addition to the above, the steel frame member 7 includes a U-shaped channel steel having both flanges 7E on both sides of a web 7D, a first bent portion 7F and a second bent portion. You may comprise combining the L-shaped steel which has the part 7G. In this example, the first side of the L-shaped steel is provided on the back of the U-shaped channel steel web 7D.
The bent portion 7F is overlapped and joined at the fillet welded portion 10, and both wall flanges 7E-1 on one side of the U-shaped channel steel and the second bent portion 7G of the L-shaped steel are sandwiched. A part 8 is formed. In joining the web 7D and the first bent portion 7F, spot welding, caulking fastener joining, or the like may be used.

As described above, the steel frame member 7 integrally provided with the wall plate face material holding portion 8 is formed into a rectangular shape so that the openings of the wall plate face material holding portions 8 located on the opposite sides face each other. By assembling, the wall frame 2 composed of the upper and lower horizontal frame members 5A and 5B and the left and right vertical frame members 6A and 6B is formed, and the peripheral portion 3a of the wall plate surface material 3 is attached to the rectangular wall plate surface material holding portion 8. 1 and 2, and the fastener 4 is screwed through the wall plate face material 3, the one side flange 7B-1 and the intermediate flange 7C, and is shown in FIGS. 4 and 5. Then, the wall plate face material 3 is firmly stretched on the wall frame 2 by screwing the fastener 4 through the wall plate face material 3, the one-side flange 7E-1 and the second bent portion 7G. You.

The upper and lower horizontal frame members 5A, 5A
B and the left and right vertical frame members 6A and 6B are joined at the corners as shown in FIGS. That is, the upper and lower horizontal frame members 5
A, 5B, the two sides of each web 7A of the left and right vertical frame members 6A, 6B are fitted between one flange 7B and the intermediate flange 7C, and the intermediate flange 7C of the horizontal frame members 5A, 5B and the vertical frame member 6A. , 6B are overlapped with each other, and the fastener 4 is inserted through one of the flanges 7B-1 of the upper and lower horizontal frame members 5A, 5B and the intermediate flange 7C of the wall plate face member 3.
Are screwed together, the upper and lower horizontal frame members 5A and 5B and the left and right vertical frame members 6A and 6B are firmly assembled at the corners of the wall frame 2.

FIGS. 6 and 7 show a first modification of the wall frame 2 in the high rigidity and high load bearing wall structure according to the present invention. In the first modified example, flanges 7I are formed on both sides of a web 7H by roll forming as steel frame members 7 of upper and lower horizontal frame members 5A and 5B and left and right vertical frame members 6A and 6B that frame the wall frame 2. Formed, and one side flange 7I-
1 is bent outward to form a first bent portion 7J, and the tip is turned back to form a second bent portion 7K. An example of the configuration is shown.

Also in this first modification, the steel frame 7 is assembled in a rectangular shape as in the previous embodiment, and the upper and lower horizontal frame 5A,
5B and the left and right vertical frame members 6A, 6B, the wall frame 2 is formed, the peripheral portion 3a of the wall plate surface material 3 is fitted and clamped in the wall plate surface material clamping portion 8, and the fastener is passed through the clamping portion. By screwing 4, the wall plate face material 3 is firmly stretched on the wall frame 2.

FIG. 8 shows a second modified example of the high rigidity and high load bearing wall structure according to the present invention. In the second modified example, the left and right vertical frame members 6A, 6A of the wall frame 2 forming the rectangular frame are formed.
An intermediate vertical frame member 6C having a U-shaped cross section is disposed in parallel with B, and upper and lower ends thereof are assembled to upper and lower horizontal frame members 5A and 5B.

According to the high-strength wall structure 1 of the present invention, the vertical and horizontal frame members 5A, 5B, 6A, 6B, 6C of the rectangular wall frame 2 assembled in the wall space of the building are formed by the steel frame members 7. The peripheral portion 3a of the wall plate face material 3 is inserted into the wall plate face material holding portion 8 integrally formed with the steel frame material 7 and held there.
And joined together. That is, in addition to the fastener 4,
Since the right-angled end face of the peripheral portion 3a of the wall plate face material 3 is held so as to be surrounded by the wall plate face material holding portion 8 integrated with the steel frame material 7,
In addition to the conventional shearing force acting on the fastener against the shear deformation acting on the wall plate face material 3, the steel frame member 7 as a whole resists, and the resistance performance of the wall plate face material 3 is reduced. It becomes possible to draw out enough.

That is, the joining between the wall frame 2 and the wall plate face material 3 is performed by the wall frame face material holding portion 8 integrated with the steel frame material 7 forming the wall frame 2 around each of the wall plate face material 3. Since the portion 3a is inserted and clamped, the joint between the wall frame 2 and the wall plate face material 3 is made of a steel frame material.
The wall plate face material and the steel frame material are joined in this order, and the fastener 4 is unlikely to be inclined when the wall plate face material 3 is deformed. Further, since each peripheral portion 3a of the wall plate face member 3 is covered with the frame member of the wall frame 2, it is possible to increase the bonding strength with the wall frame 2 with a small number of fasteners 4.

[0030]

The high rigidity and high strength wall structure according to the present invention is
Each frame material of the rectangular wall frame that is framed and assembled in the wall space of the building is made of shaped steel, and the surroundings of the wall plate face material are sandwiched between the steel materials of each frame material. Since it has a configuration in which the portions are fitted and sandwiched and joined with a fastener, the resistance to shear deformation of the wall plate face material can be sufficiently drawn out.

The wall frame and the wall plate are joined by fitting each peripheral portion of the wall plate to the wall frame member holding portion integrated with the steel frame material forming the wall frame. Therefore, the joint between the wall frame and the wall plate face material is joined in the order of steel frame material-wall plate face material-steel frame material, and the fastener is inclined with respect to the deformation of the wall plate face material. And the rigidity and proof stress of the wall can be improved.
Furthermore, since each peripheral portion of the wall plate face material is covered with the frame material of the wall frame, the bonding strength with the wall frame is increased even with the number of fasteners being less than 1/2 to 1/3 as compared with the related art. The rigidity and proof stress of the wall can be improved.

[Brief description of the drawings]

FIG. 1 is an explanatory front view showing an embodiment of a building structure wall according to the present invention.

FIG. 2 is a cross-sectional view taken along line II of FIG.

FIG. 3 is an enlarged view of an upper and lower part of the intermediate part of FIG.

FIG. 4 is a schematic cross-sectional view taken along line II-II of FIG.

FIG. 5 is an enlarged sectional view of a portion A in FIG. 4;

FIG. 6 is a transverse sectional view showing a first modification.

FIG. 7 is an enlarged sectional view of a portion B in FIG. 6;

FIG. 8 is a transverse sectional view showing a second modification.

FIG. 9 is an explanatory view of a conventional building structure wall.

FIG. 10 is an enlarged sectional view of a main part of a conventional building structure wall.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 High strength wall structure 2 Wall frame 3 Wall board surface material 3a Peripheral part 4 Fastener 5A Upper horizontal frame material 5B Lower horizontal frame material 6A Left vertical frame material 6B Right vertical frame material 6C Middle vertical frame material 7 Steel frame material 7A Web 7B Both-side flange 7C Intermediate flange 7D Web 7E Both-side flange 7F First bent portion 7G Second bent portion 7H Web 7I Both-side flange 7J First bent portion 7K Second bent portion 8 Wall plate surface holding portion 10 Fillet Welded part 11 foundation 12 beam

Claims (4)

[Claims] 1. A frame material of a rectangular wall frame to be assembled in a wall space of a building is formed of a steel frame material integrally provided with a wall plate surface material holding portion, and the wall of each steel frame material is formed. A high-rigidity and high-bearing wall structure characterized in that each peripheral portion of the wall plate face material is inserted into and sandwiched by the plate face material holding portion. 2. The height according to claim 1, wherein a joining portion between the holding portion of the wall member of the steel frame member and a peripheral portion of the wall member is joined by a fastener. Rigid, high strength wall structure. 3. The steel frame member is formed of a one-unit section E or S section formed by bending, drawing or roll forming. 3. A high rigidity and high strength wall structure according to claim 1, wherein the peripheral portion is integrally formed with a wall plate surface material holding portion which can be fitted and held. 4. The steel frame material is composed of two units of a channel steel and an L-section steel, and the peripheral parts of the wall material can be fitted and clamped by these assembled materials. 3. The high rigidity and high strength wall structure according to claim 1, wherein a face material holding portion is formed.