JP2002213033A - Structure for bearing wall - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an excellent aseismatic structure capable of dispersing the shearing stress applied to the fixed section of a structural face bar even when an excessive load acts, having a good external appearance, and rationalizing materials by omitting auxiliary members such as studs. SOLUTION: The structural face bar 2 formed with a metal skin at least on the back face is arranged on the front face side of a wood column 3 via a fixing metal plate 6, the metal skin 4 of the structural face bar 2 and the metal plate 6 are fixed, and the metal plate 6 and the wood column 3 are fixed to form a bearing wall 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of a load-bearing wall of a wooden house, for example.

[0002]

2. Description of the Related Art A wall of a wooden house is constructed by combining a plurality of structural face materials 2 and wooden pillars 3. Conventionally, as shown in FIG. By disposing the nail 40 from the front of the side end of the structural panel 2 toward the wooden column 3, the side ends of the adjacent structural panel 2 are respectively placed on the wooden column. 3 was fixed.

[0003]

However, in a conventional structure in which the structural face material 2 is fixed to the wooden pillar 3 with a nail 40 or the like, as shown in FIG. Since the wooden material 3 is driven into the wooden pillar 3 through the entire material 2, when an excessive load is applied, the shear stress concentrated on the nail 40 increases, and the part A in FIG. As shown in
There is a problem that the nail 40 is greatly deformed, and thus the structural face materials 2 are displaced from each other. Here, in the test of the destruction state of the wall, when the nail 40 was used as a fixing tool, the nail 40 was bent as shown in FIG. It has been found that the material slips out and the load capacity decreases. Therefore, as shown in FIG. 8, conventionally, an attempt has been made to increase the number of auxiliary members such as studs 3 ′ and braces as shown in FIG. 8. A problem arises that it is no longer possible to achieve this. Further, in the related art, since the head 40a of the nail 40 appears on the outer surface of the structural face material 2, there is a problem that the external appearance of the wall becomes unsightly.

The present invention has been made in view of the above-mentioned problems of the prior art, and an object of the present invention is to apply to a fixing portion of a structural face material even when an excessive load is applied. Shear stress can be dispersed, an excellent earthquake-resistant structure can be obtained, and the appearance of the structural panel can be improved in appearance. In addition, auxiliary members such as studs can be omitted, and the material can be rationalized. In providing the structure of the wall,
Another object is to provide a load-bearing wall structure capable of obtaining sufficient load-bearing characteristics even when a sandwich panel is used as an outer wall.

[0005]

According to the first aspect of the present invention, there is provided a structural panel having at least a back surface formed of a metal outer cover and a wooden pillar. In the structure of the load-bearing wall, the structural face material 2 is disposed on the front side of the wooden pillar 3 via the metal plate 6 for fixing, and the metal outer cover 4 of the structural face material 2 and the metal plate 6 are fixed. With wooden pillar 3
And the metal plate 6 are fixed. With such a configuration, the metal outer cover 4 and the metal plate 6 have a structure capable of absorbing an excessive load, and even when an excessive load is applied, It is possible to disperse the shear stress applied to the fixing portion of the structural face material 2, prevent the occurrence of displacement between the adjacent structural face materials 2, 2, and omit the conventional auxiliary members such as studs. Becomes

According to a second aspect of the present invention, in the first aspect, a plurality of wooden pillars 3 are erected at predetermined intervals, and a metal plate 6 for fixing is provided on the front side of each wooden pillar 3. It is fixed at the center, and the back of the side end of the structural face material 2 adjacent to the front side of the metal plate 6 is arranged. The structural face material 2 is placed on both ends 6a and 6b of the metal plate 6 with the metal sheath 4 It is preferable that a plurality of structural face materials 2 are arranged side by side along the wooden pillar 3 by fixing at this time. In this case, adjacent structural face materials 2 are used.
Can be efficiently fixed to one wooden pillar 3 using one metal plate 6.

According to a third aspect of the present invention, in the first aspect, a plurality of wooden pillars 3 are erected at predetermined intervals, and a fixing metal plate 6 is disposed on the front side of each wooden pillar 3. And metal plate 6
The rear face of the side face of the structural face material 2 adjacent to the front face side is disposed, and the metal shell 4 and the metal plate 6 on the rear face side of the adjacent one of the structural face materials 2 are fixed by the fixture 8. By inserting another fixing member 7 from the front side of the adjacent other structural panel 2 and penetrating the structural panel 2 and the metal plate 6 and driving the wooden panel 3, a plurality of structural members are formed. It is preferable that the face materials 2 are arranged side by side along the wooden pillars 3. In this case, each side end of the adjacent structural face material 2 is formed by using one metal plate 6. In addition to being able to efficiently fix to one wooden pillar 3, the metal plate 6 can be fixed to the wooden pillar 3 together when the other structural face material 2 is fixed to the wooden pillar 3, Thereby, the operation of fixing the metal plate 6 to the wooden pillar 3 can be simplified.

According to a fourth aspect of the present invention, in any one of the first to third aspects, the structure is inserted into the inside of the structural face material 2 through the metal outer cover 4 on the back side of the structural face material 2. The metal of the structural surface material 2 is formed by using a fixing tool 8 including an insertion portion 9 to be inserted and a clip portion 10 which is expanded inside the structural surface material 2 and is engaged with the inner surface of the metal outer cover 4. It is preferable that the outer cover 4 and the metal plate 6 for fixing are fixed. In this case, the metal outer cover 4 and the metal plate 6 are connected to each other by using a fixture 8 including an insertion portion 9 and a clip portion 10. Can be easily fixed, and the insertion portion 9 does not have to be penetrated through the entire structural face material 2, so that the insertion depth of the insertion portion 9 can be small, and the working efficiency can be improved. is there.

According to a fifth aspect of the present invention, in any one of the first to fourth aspects, the structural face material 2 is provided with a heat insulating material 12 interposed between a pair of metal outer skins 4 and 11. A sandwich panel 2A provided with a convex fitting portion 13 at one end in the width direction and a concave fitting portion 14 at the other end to which the fitting portion can fit. In this case, it is possible to use the sandwich panel 2A, which is lightweight, has excellent heat insulating properties and fire resistance, and has the advantages of shortening the construction period, as the load-bearing wall 1 on the outer wall of a house. Since the head of the nail or the like does not appear at all on the outer metal shell 4 while having the earthquake-resistant structure, the appearance of the outer surface of the sandwich panel 2A can be improved.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below based on embodiments shown in the accompanying drawings.

FIGS. 1 and 2 show an example of the structure of the load-bearing wall 1 of the present embodiment. The load-bearing wall 1 includes a plurality of structural face materials 2 having at least a back surface covered with a metal cover 4, a metal plate 6 for fixing, a wooden pillar 3, and a nail for fixing the wooden pillar 3 and the metal plate 6. Main components are a fixing tool 7 such as 7a and a fixing tool 8 (for example, trade name “Valvetight”) for fixing the metal plate 6 and the metal cover 4 of the structural face material 2. A plurality of wooden pillars 3 are erected at predetermined intervals, and a metal plate 6 is fixed to the front side of each wooden pillar 3 at the center thereof, and a structural surface adjacent to the front side of the metal plate 6 is provided. Arrange the back of the side end of the material 2,
By fixing the metal plate 6 to the metal outer skin 4 on the back side of the adjacent structural face material 2 at both ends thereof, a plurality of structural face materials 2 are arranged in parallel along the wooden pillar 3. 1 is configured.

In the present embodiment, a chemical solution such as an ant or an antiseptic impregnated in the wooden pillar 3 is transferred to the metal plate 6 at the contact portion between the wooden pillar 3 and the metal plate 6. A sheet 41 for preventing the plate 6 from being corroded is interposed.

Further, as shown in FIG. 1, a sandwich panel 2A is used as the structural face material 2. In this sandwich panel 2A, a heat insulating material 12 is interposed between a pair of metal shells 4 and 11, and only one metal skin 4 on the back side of the pair of metal shells 4 and 11 is described later. It is configured to be fixed to the metal plate 6 using the fixing tool 8. The material of the heat insulating material 12 includes a foaming resin and rock wool, but is not particularly limited. Further, as shown in FIG. 2, a convex fitting portion 13 is provided at one end in the width direction D of the sandwich panel 2A, and a concave fitting portion 14 is provided at the other end, so that the adjacent sandwich panel 2A is fitted. By fitting the fitting portion 13 and the fitted portion 14, the plurality of sandwich panels 2A can be fitted to each other. FIG. 2 illustrates a pair of sandwich panels 2A, but the number of sandwich panels 2A is not particularly limited.

A frame member 15 is disposed on the back side of the sandwich panel 2A. As shown in FIG. 2, the frame member 15 is configured such that a plurality of wooden pillars 3 are erected between the beam 16 and the base 17. Here, three wooden pillars 3 are used for a pair of sandwich panels 2A, the left wooden pillar 3 is arranged along the outer end of the left sandwich panel 2A, and the central wooden pillar 3 Are both sandwich panels 2A,
Arranged along the side end 5 of the 2A, the right wooden pillar 3 is arranged along the outer end of the right sandwich panel 2A. Note that, for example, cedar is used as the wooden pillar 3 and the base 17, and, for example, bay pine is used as the beam 16, but it is a matter of course that the material is not limited to these.

As shown in FIG. 1, a metal plate 6 is fixed to the front surface of the wooden pillar 3. The metal plate 6 of the present example has a vertically long shape that extends over substantially the entire length of the wooden pillar 3, and is wider than the width of the wooden pillar 3. The metal plate 6 is fixed to the wooden pillar 3 by driving a nail 7 a into the wooden pillar 3 from the center of the metal plate 6. The nail 7a
Alternatively, a drill screw or the like may be used. In this example, a horizontally long fixing metal plate 6 ′ is also arranged on each of the beam 16 and the base 17, and the pair of upper and lower metal plates 6 ′ and the pair of left and right metal plates 6 are formed in a rectangular frame shape. It is integrated into. Then, as shown in FIG.
The front surface of the wooden pillar 3 and the front surfaces of the beams 16 and the base 17 are covered by 6 '.

Both ends 6a, 6b of the metal plate 6 for fixing
As shown in FIG. 1, each protrudes to both outer sides of the wooden pillar 3, and the metal skin 4 on the back side of one adjacent sandwich panel 2 A and one end 6 a of the metal plate 6, and the other adjacent sandwich The metal outer cover 4 on the back side of the panel 2A and the other end 6b of the metal plate 6 are fixed by fixtures 8 described later. In addition, 19 in FIG.
The holes 18 formed in the a and 6b are holes formed so as to reach the inside of the heat insulating material 12 from the metal outer cover 4 on the back side of the sandwich panel 2A, and these holes 18 and 19 are formed.
Is formed on site by an electric drill or the like.

The fixtures 8 of this embodiment are arranged at a plurality of positions at predetermined intervals (for example, at intervals of 150 mm) in the longitudinal direction of the wooden pillar 3. Each fixture 8 is a sandwich panel 2A
It does not penetrate the whole, but penetrates one metal skin 4 on the back side of the sandwich panel 2A to reach the inside of the heat insulating material 12, and serves to fix the metal skin 4 and the metal plate 6. is there.

The fixture 8 shown in FIG. 1 penetrates through one metal cover 4 on the back side of the sandwich panel 2A, and
2 integrally provided with an insertion portion 9 inserted into the inside of the housing 2 and a clip portion 10 which is expanded inside the heat insulating material 12 and is locked on the inner surface of the metal outer cover 4 after the insertion portion 9 is inserted. Is configured as As shown in FIG. 3, the insertion portion 9 includes a screw portion 21 and a cylindrical head portion 20 through which the screw portion 21 passes.
And a shrinkable and deformable sleeve 22 constituting the clip portion 10 are continuously provided.

Next, when fixing the sandwich panel 2A to the wooden pillar 3, first, the central portion of the metal plate 6 is fixed to the wooden pillar 3 with a nail 7a. Thereafter, the insertion portion 9 of the fixture 8 is inserted from the hole 19 of the metal plate 6 toward the hole 18 of the sandwich panel 2A, and then the head portion 20 of the insertion portion 9 is fixed to a fixing jig (not shown). When the screw portion 21 is pulled toward the front side while pressing down, the entire screw portion 21 is drawn toward the head portion 20 and the sleeve 22 contracts and deforms to form the butterfly-shaped clip portion 10 shown in FIG. Is done. By locking the clip portion 10 to the inner surface of the metal outer cover 4, one metal outer cover 4 and the metal plate 6 of the sandwich panel 2A can be fixed by the fixture 8. Unnecessary portions of the screw portion 21 are finally cut and removed. Note that the other sandwich panel 2A adjacent to the other end portion 6b of the metal plate 6 can be fixed to the metal outer cover 4 of the other sandwich panel 2A in the same manner using the fixing tool 8.

Next, as a structural surface material 2 for a wooden house wall,
The load-bearing characteristics when a 2P sandwich panel 2A having a thickness of 35 mm was used were experimentally investigated, and the feasibility of its practical use was investigated. The following results were obtained. First, a test piece A in which the structural face material 2 is fixed to the wooden pillar 3 with nails, a test piece B in which the structural face material 2 is fixed to the wooden pillar 3 with drill screws (tex), a metal plate 6 and a wooden pillar 3 was fixed with nails, and a test specimen C of the present invention structure was prepared in which the metal plate 6 and the metal outer skin 4 of the structural face material 2 were fixed with the fixture 8. The sandwich panel 2A was used for all the structural face materials 2. These specimens A
-C is set on a horizontal in-plane shear tester, the base 17 (FIG. 2) of the sandwich panel 2A is fixed, and the horizontal surface from 1/450 rad to 1/30 rad with respect to the total height of the sandwich panel 2A. The load-bearing properties were investigated by repeatedly applying the internal shear force. The P-θ curves at this time are shown in FIG. 4 (specimen C), FIG. 5 (specimen A), and FIG. 6 (specimen B). At this time, the allowable maximum load (Pmax (kN)) is 16.54 for the test piece A.
2. 32.162 for specimen B and 36.6 for specimen C
64. The wall magnification of the test piece A was 2.6.
5, it was 4.31 in the test body B and 4.53 in the test body C. Here, the wall magnification is P ₀ × α × (1 / 1.96)
× (1 / L). P ₀ is a short-term reference shear force, 1.96 is a numerical value for calculating the wall magnification 1, and L
Is the wall length, α is the proof stress reduction coefficient of the sandwich panel 2A, and in this test, α was set to 1 and the wall magnification was calculated.

Here, each of the test pieces A, B, and C is a difference in the fixed specification. In comparison with the test pieces A and B, the test piece C having the structure of the present invention has a Pmax (kN) as described above. In addition, it was excellent in wall magnification, and showed more stable load-bearing characteristics, and it was confirmed that it had a performance without any problem as an earthquake-resistant element. Further, in the test body C, the strength and rigidity of the fixtures 7 and 8 are increased, and the thickness of the metal plate 6 fixed to the wooden pillar 3 is increased, so that the strength and rigidity can be further improved. confirmed.

Thus, the metal plate 6 and the wooden pillar 3 are fixed using the nail 7a, and the metal cover 4 on the back side of the sandwich panel 2A and the metal plate 6 are fixed using the fixing tool 8, The metal shell 4 and the metal plate 6 have a structure capable of absorbing an excessive load. Even when an excessive load is applied to the load-bearing wall 1, the shear stress applied to the fixtures 7 and 8 is dispersed, so that the adjacent sandwich panel 2A is sandwiched. It is possible to suppress the occurrence of a displacement or the like. Therefore,
Even when the sandwich panel 2A is used as the load-bearing wall 1 of a house, the deformation capacity (stickiness) of the load-bearing wall 1 as a whole can be improved, and a tough structure that can easily absorb seismic energy can be obtained. An earthquake-resistant structure can be obtained. Thus, the conventional auxiliary members such as studs can be omitted and the strength can be stabilized, so that the material cost can be reduced and the load-bearing wall 1 can have a reasonable structure.

In this embodiment, when the metal plate 6 and the metal outer cover 4 are fixed by the fixture 8, the insertion portion 9 is formed from the hole 19 formed in the metal plate 6 to the hole formed in the sandwich panel 2A. Since the clip portion 10 is inserted into the portion 18 and the clip portion 10 is expanded inside the sandwich panel 2A to prevent the clip portion 10 from coming off, the fixture 8 can be easily and reliably attached to the metal outer skin 4 on the back side of the sandwich panel 2A. Can be fixed to
In addition, since it is not necessary to penetrate the insertion portion 9 through the entire sandwich panel 2A, the insertion depth of the insertion portion 9 is small, the construction efficiency is greatly improved, and the heat insulating property, the airtightness, and the metal This does not impair the durability.

Further, since no nail head or the like appears on the outer metal shell 11 of the sandwich panel 2A, the entire outer surface of the sandwich panel 2A can be made to have a clean appearance, and the appearance of the load-bearing wall 1 can be improved. Can be better. For example, an inorganic surface decorative material such as brick-like, tile-like, stone-like, or sandstone-like is applied to the surface of the metal outer skin 11 outside the sandwich panel 2A, or a tile or stone-like sheet is attached. By doing so, the appearance of the sandwich panel 2A can be made beautiful and high-grade, and the appearance design of the load-bearing wall 1 can be greatly improved. The load-bearing wall 1 of the present invention can be used not only as an outer wall but also as an indoor wall, for example, by applying a pattern or color to the wall surface in accordance with a drawing room, a living room, a toilet, a bedroom, or the like. That is. By using the sandwich panel 2A for the inner and outer walls of the house, in addition to the effect of improving the seismic resistance, the sandwich panel 2A is lightweight, has excellent heat insulating properties, and has fire resistance, airtightness, and watertightness. Naturally, the effect peculiar to the sandwich panel 2A that it can be shortened can be obtained.

In the above-described embodiment, the case where the side ends 5 of the sandwich panels 2A, 2A are fixed to one wooden pillar 3 has been described, but the outer end of the outermost sandwich panel 2A is fixed. The fixing to one wooden pillar 3 can be performed in the same manner as described above. That is, only one end 6a (or 6b) of the metal plate 6 is protruded to the side of the wooden pillar 3, and the protruding metal plate 6 and the outermost metal skin 4 on the rear side of the sandwich panel 2A May be fixed by the fixture 8.

FIG. 7 shows another embodiment of the present invention. In the present embodiment, a plurality of wooden pillars 3 are erected at predetermined intervals, and a metal plate 6 is arranged on the front side of each wooden pillar 3. The width dimension of the metal plate 6 is wider than the width dimension of the wooden pillar 3, and a bending portion 6 a ′ for positioning is provided at one end of the metal plate 6 in the width direction. The metal plate 6 is positioned with respect to the wooden pillar 3 by making contact with the side surface of the wooden pillar 3. On the front side of the metal plate 6, the back surface of the side end portion of the adjacent structural face material 2 is disposed, and one of the adjacent structural face materials 2 is fixed by using a fixture 8 such as a valve tight. Metal skin 4 and metal plate 6 on the back side of
And have been fixed. Further, as another fixture 7, a drill screw 7b is driven in from the front side of the adjacent other structural face material 2 to penetrate through the structural face material 2 and the metal plate 6 and the wooden pole 3
, So that the structural face material 2 and the metal plate 6
Are fixed to the wooden pillars 3 respectively, thus forming the load-bearing wall 1 in which the plurality of structural face materials 2 are juxtaposed along the wooden pillars 3.

Thus, when the other structural face material 2 is fixed to the wooden pillar 3, the metal plate 6 can be fixed to the wooden pillar 3 together, whereby the metal plate 6 can be fixed to the wooden pillar 3. Fixing work can be omitted. Further, the metal plate 6 can be positioned with respect to the wooden pillar 3 by bringing the positioning bent portion 6a 'of the metal plate 6 into contact with the side surface of the wooden pillar 3.
Positioning work can be omitted. At this time, the metal plate 6 may be temporarily fixed to the wooden pillar 3 with a nail or the like. In this case, the metal plate 6 can be reliably positioned, and the other structural surface material 2 is fixed to the wooden pillar 3. Work becomes easier. Also,
One structural face member 2 is fixed to the metal outer cover 4 by using a fixture 8.
And the metal plate 6 can be easily fixed. Thereby, the plurality of structural face materials 2 can be efficiently fixed to one wooden pillar 3, and the head of the drill screw 7 b constituting the fixture 7 is formed by the protrusion 2 b of the structural face material 2. , The head of the drill screw 7b is not exposed to the outside, and the fixing tool 8 is not exposed to the outside. Furthermore, since the sheet 41 is interposed in the contact portion between the metal plate 6 having the bent portion 6a 'and the wooden pillar 3, the same as in the above embodiment,
There is also an advantage that a chemical solution such as an ant-proof material or an antiseptic material impregnated in the wooden pillar 3 or moisture can be prevented from migrating to the metal plate 6 and corroding the metal plate 6.

In each of the above embodiments, the structural face material 2
Although the sandwich panel 2A has been exemplified as an example, the present invention is not limited to the sandwich panel 2A, and the structural face material 2 having at least the back surface formed of the metal shell 4 is exemplified.
If so, it is widely applicable.

[0029]

As described above, according to the first aspect of the present invention, in the structure of the load-bearing wall comprising at least the back surface made of a metal shell and a structural panel and a wooden pillar, Since the surface material is arranged on the front side of the wooden pillar via the fixing metal plate, the metal outer skin of the structural surface material and the metal plate are fixed, and the wooden pillar and the metal plate are fixed. Excessive load can be absorbed by the metal outer skin and metal plate part of the face material.Even if an excessive load is applied, the shear stress applied to the fixing part of the structural face material can be dispersed, and the As a result, it is possible to reduce the occurrence of misalignment, and to omit the conventional auxiliary members such as studs. As a result, it is possible to improve the deformation capacity (stick) of the entire load-bearing wall, and toughness that easily absorbs seismic energy Some structure can be excellent earthquake resistance Concrete is obtained, with the strength of the bearing wall can be stabilized, it is possible to reduce the material cost, as it can be a rational structure bearing walls.

According to a second aspect of the present invention, in addition to the effect of the first aspect, a plurality of wooden pillars are erected at predetermined intervals, and a fixing metal plate is provided on the front side of each wooden pillar. By fixing the structural face material adjacent to the front side of the metal plate with the back of the side end of the structural face material adjacent to the front side of the metal plate, and fixing the structural face material to the both ends of the metal plate with a metal skin. Since a plurality of structural face materials are juxtaposed, each side end of the adjacent structural face material can be efficiently fixed to one wooden pole, thereby further improving work efficiency.

According to a third aspect of the present invention, in addition to the effect of the first aspect, a plurality of wooden pillars are erected at predetermined intervals, and a fixing metal plate is provided on the front side of each wooden pillar. Is arranged, and the rear surface of the side end of the adjacent structural surface material is arranged on the front side of the metal plate, and the metal outer skin and the metal plate on the rear surface side of one adjacent structural surface material are fixed by the fixture. At the same time, a plurality of structural face materials are arranged side by side by inserting another fixing tool from the front side of the other adjacent structural face material and penetrating the structural face material and the metal plate into a wooden pillar. Since each side end of the adjacent structural face material can be efficiently fixed to one wooden pillar, the other structural face material can be fixed to the wooden pillar by metal. The boards can be fixed together against the wooden pillar,
The work of fixing the metal plate to the wooden pillar can be simplified, and the work efficiency can be further improved.

According to a fourth aspect of the present invention, in addition to the effect of any one of the first to third aspects, in addition to the effects of the first to third aspects, the structural face material is formed by penetrating the metal outer surface on the back side of the structural face material. Fixing the structural surface material to the metal outer skin using a fixing tool including an insertion portion inserted therein and a clip portion that is expanded inside the structural surface material and is locked to the inner surface of the metal outer surface. When fixing the metal skin of the structural surface material and the metal plate, the insertion part of the fixture penetrates the metal plate and the metal skin, and is fixed inside the structural surface material. By inserting and then forming the clip portion, the metal shell and the metal plate can be easily and securely fixed by the fixing tool, and furthermore, it is not necessary to penetrate the insertion portion through the entire structural face material. The insertion depth of the insertion portion can be small, and the construction efficiency is improved.

According to a fifth aspect of the present invention, in addition to the effect of any one of the first to fourth aspects, the structural face material has a heat insulating material interposed between a pair of metal shells. Since it is a sandwich panel in which a convex fitting portion is provided at one end in the width direction and a concave fitting portion to which the fitting portion can be fitted is provided at the other end, it is lightweight, heat insulating and fire resistant. Sandwich panels that have the advantage of being able to reduce the construction period and have excellent durability can be used as load-bearing walls on the exterior walls of houses, and only the metal outer skin on the back side of the sandwich panels is fixed with fixtures. By fixing it to a metal plate for use, it has excellent heat insulation and airtightness and does not impair the durability of the metal outer skin, while having an excellent earthquake-resistant structure, at the same time no fixtures appear on the outer metal outer skin, Sandwich panel The entire surface can be refreshed and the appearance is good, and the exterior surface of the sandwich panel is made beautiful and high-grade by applying a brick-like decorative material to the metal outer skin surface of the sandwich panel. can do.

[Brief description of the drawings]

FIG. 1 shows an example of an embodiment of the present invention, and shows EE of FIG.
It is a line sectional view.

FIG. 2 is a partially cutaway front view of the bearing wall.

FIG. 3 is a side view of the fixing device.

FIG. 4 is a P-θ curve diagram of the above.

FIG. 5 is a P-θ curve diagram of the first reference example.

FIG. 6 is a P-θ curve diagram of a second reference example.

FIG. 7 is a horizontal sectional view of another embodiment.

FIG. 8 is a partially cutaway front view of a conventional load-bearing wall.

FIG. 9 is a sectional view taken along line FF of FIG. 8;

FIGS. 10A and 10B are explanatory views of a fracture mode at a joint portion of a conventional structural face material.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Bearing wall 2 Structural surface material 2A Sandwich panel 3 Wooden pillar 4,11 Metal outer skin 6 Metal plate 6a for fixing 6a One end 6b Other end 7 Fixing tool 8 Fixing tool 9 Inserting part 10 Clip part 12 Heat insulating material 13 Fitting Joint 14 Fitted part D Width direction

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) E04B 2/56 622 E04B 2/56 622H E04C 2/34 E04C 2/34 X

Claims (5)

[Claims] 1. In a load-bearing wall structure comprising a structural panel having at least a back surface formed of a metal skin and a wooden column, the structural panel is fixed to a front surface of the wooden column via a fixing metal plate. A load-bearing wall structure which is arranged on the side and fixes a metal cover and a metal plate of a structural face material and a wooden pillar and a metal plate. 2. A structure in which a plurality of wooden poles are erected at predetermined intervals, a metal plate for fixing is fixed at the center of the front side of each wooden pole, and is adjacent to the front side of the metal plate. A plurality of structural face materials are juxtaposed by arranging the back surface of the side end of the structural face material and fixing the structural face material at both ends of the metal plate with a metal skin. Item 4. The structure of the load-bearing wall according to Item 1. 3. A plurality of wooden pillars are erected at predetermined intervals, a metal plate for fixing is arranged on the front side of each wooden pillar, and a side of the structural panel adjacent to the front side of the metal plate. A rear surface of the end portion is arranged, and a metal shell and a metal plate on the rear side of one adjacent structural face material are fixed by a fixing tool, and another fixing tool is adjacent to the front side of the adjacent structural face material. 2. The structure of the load-bearing wall according to claim 1, wherein a plurality of structural face materials are juxtaposed by being driven into the wooden pillars through the structural face material and the metal plate. . 4. An insertion portion that penetrates through a metal skin on the rear side of the structural face material and is inserted into the structural face material, and expands inside the structural face material to form an inner surface of the metal skin. 2. The metal shell of the structural face material and the metal plate for fixing are fixed by using a fixing tool including a clip portion to be locked.
The structure of the load-bearing wall according to claim 3. 5. The structural face material has a heat insulating material interposed between a pair of metal outer skins, a convex fitting portion provided at one end in a width direction, and the fitting portion fitted at the other end. The load-bearing wall structure according to any one of claims 1 to 4, wherein the load-bearing wall is a sandwich panel provided with a concave fitting portion that can be fitted.