JP2020172813A - Bearing wall structure with damping performance of wooden building - Google Patents

Abstract

To provide a bearing wall structure with damping performance of a wooden building that can install fitting for installing an opening such as a window, even though the bearing wall structure comprises a damping damper device at a framework structure part.SOLUTION: In a damping damper device A, a V-shaped right device half body 4 with upper and lower two braces 5 and an inverted V-shaped left device half body 6 with upper and lower two braes 7 are disposed in an X-shaped manner, the upper and lower braces 5 of the right device half body 4 are attached to a column material 2A at the right side and the upper and lower braces 7 of the left device half body 6 are attached to a column material 2B at the left side, and the right device half body 4 and the left device half body 6 are connected through a damper mechanism 8. The damping damper device A is placed to leave an opening 9 that can install fittings for installing an opening such as a window between upper and lower two places across the pair of column materials 2.SELECTED DRAWING: Figure 1

Description

The present invention relates to a load-bearing wall structure having vibration damping performance of a wooden building.

Conventionally, for the purpose of preventing the collapse or damage of buildings by the wooden frame construction method, vibration control that absorbs vibration energy such as earthquakes in a rectangular frame structure formed by a base and a pair of left and right columns and beams. A technique for arranging a damper device is known (see, for example, Patent Document 1).

JP-A-2009-228276

However, in the vibration control structure of a wooden building using the vibration control damper device as in Patent Document 1, in order to arrange the vibration control damper device diagonally in the rectangular frame structure portion, this vibration control damper device is used. And the braces connected to it occupy a large part of the frame structure, so it was very difficult to install a window (window frame) in the frame structure where this damping damper device is placed. ..

The present invention pays attention to such a problem and attempts to solve the problem, and has a framework structure of a vibration damping damper device capable of absorbing vibration energy such as an earthquake and effectively suppressing the shaking of a building. It is intended to provide a bearing wall structure having a damping performance of a wooden building in which fittings for opening openings such as windows (window frames) can be installed while having a bearing wall structure provided in the portion.

The gist of the present invention will be described with reference to the accompanying drawings.

A framework composed of a lower horizontal member 1, a pair of left and right pillars 2 erected on the lower horizontal member 1, and an upper horizontal member 3 erected between the upper ends of the pair of left and right pillars 2. A bearing wall structure having vibration damping performance in a wooden building in which a vibration damping damper device A is arranged between the pair of left and right pillar members 2 of the structure portion F, and the vibration damping damper device A is vertically two. A dogleg-shaped right device half body 4 equipped with a book brace 5 and an inverted left device half body 6 having two upper and lower braces 7 are arranged in an X shape, and the right device The right end of the upper and lower braces 5 of the half body 4 can be joined to the right pillar material 2A, and the left end of the upper and lower braces 7 of the left device half body 6 is the left pillar material 2B. The left end portion of the right device half body 4 and the right end portion of the left device half body 6 are connected to each other via a damper mechanism 8, and the vibration damping damper device A is the pair. It is arranged at two places above and below between the pillar members 2 and between the upper and lower vibration damping damper devices A so as to leave an opening 9 in which an opening installation fitting such as a window can be installed. The damper mechanism 8 of the vibration damper device A is provided with a pair of front and rear outer plate portions 10 at the left end portion of the right device half body 4, and an inner plate inserted between the front and rear outer plate portions 10. The portion 11 is provided at the right end portion of the left device half body 6, or a pair of front and rear outer plate portions 10 are provided at the right end portion of the left device half body 6, and the front and rear outer plates are provided. An inner plate portion 11 inserted between the portions 10 is provided at the left end portion of the right device half body 4, and a friction material 12 is provided on the opposite inner side of each of the pair of front and rear outer plate portions 10, and friction between the front and rear portions is provided. The inner plate portion 11 is sandwiched between the members 12, and the left end portion of the right device half body 4 and the right end portion of the left device half body 6 are connected so as to be relatively movable in the vertical direction, and the friction material 12 The vibration damping performance of a wooden building is characterized in that the relative movement of the right device half body 4 and the left device half body 6 in the vertical direction is dampened by the friction on the inner plate portion 11. It is related to the bearing wall structure.

Further, the vibration damping damper device A is set to a size such that the opening 9 remains between the upper and lower vibration damping damper devices A when the vibration damping damper device A is arranged at two upper and lower positions between the pair of pillar members 2. The present invention relates to a bearing wall structure having vibration damping performance of the wooden building according to claim 1.

Further, in the damper mechanism 8, a bolt through hole 13 is provided in the outer plate portion 10, and a mating hole 14 for communicating with the bolt through hole 13 is provided in the inner plate portion 11, and the bolt is communicated with the inner plate portion 11. The outer plate portion 10 and the inner plate portion 11 are connected by inserting the connecting bolt 15 through the through hole 13 and the mating hole 14, and the bolt through hole 13 or the mating hole 14 has a length in the vertical direction. The right device half body 4 and the left device half body 6 move in the vertical direction within the movement range in which the connecting bolt 15 is allowed in the long hole-shaped bolt through hole 13 or the mating hole 14 which is formed in the elongated hole. The present invention relates to a load-bearing wall structure having a vibration damping performance of a wooden building according to any one of claims 1 and 2, which is configured to be relatively movable.

Further, the friction material 12 is formed in a shape having a friction surface 12A that can be contacted with the plate surface of the inner plate portion 11, and the friction is provided on the opposite inner side of each of the pair of front and rear outer plate portions 10. The bearing wall structure having vibration damping performance of a wooden building according to any one of claims 1 to 3, wherein the inner plate portion 11 is sandwiched between the friction surfaces 12A of the material 12. It is a thing.

Further, the friction material 12 relates to a bearing wall structure having a vibration damping performance of a wooden building according to any one of claims 1 to 4, wherein a vehicle brake pad is adopted. Is.

Further, in the right device half body 4, a reinforcing member 16 is fixed in an erected state between the right end portions of the upper and lower braces 5, and the reinforcing member 16 is configured to be joinable to the pillar member 2A on the right side. In the left device half body 6, a reinforcing member 17 is fixed in an erected state between the left end portions of the upper and lower braces 7, and the reinforcing member 17 can be joined to the pillar member 2B on the left side. The present invention relates to a load-bearing wall structure having vibration damping performance of the wooden building according to any one of claims 1 to 5, wherein the structure is characterized.

Since the present invention is configured as described above, a bearing wall having high vibration damping performance is provided in the frame structure with a vibration damping damper device capable of absorbing vibration energy such as an earthquake and effectively suppressing the shaking of a building. Although it is a structure, it is a bearing wall structure having vibration damping performance of an extremely practical wooden building that enables installation of fittings for opening openings such as windows.

Further, in the invention according to claim 2, it is possible to design and realize a vibration damping damper device in which an opening in which an opening installation fitting such as a window can be installed is surely left in the frame structure, and the vibration damping damper device is compact. In order to reduce the weight, the construction work on the framework structure (a pair of pillars) can be easily performed, and the bearing wall structure has a vibration damping performance of a wooden building having a more practical structure.

Further, in the invention according to claim 3, a more practical configuration in which the right device half body and the left device half body can be easily designed and realized by making a simple configuration of a damper mechanism capable of relative movement in the vertical direction. It will be a bearing wall structure with vibration damping performance for wooden buildings.

Further, in the invention according to claim 4, it is more practical that a friction material exhibiting a good braking force for relative movement of the right device half body and the left device half body in the vertical direction can be easily designed and realized. It will be a bearing wall structure with excellent vibration damping performance of a wooden building.

Further, in the invention according to claim 5, the existing vehicle brake pad is used to easily use a friction material that exerts a good braking force for relative movement of the right device half body and the left device half body in the vertical direction. Since the design can be realized and the brake pads for vehicles have excellent heat resistance, the braking performance does not easily deteriorate even if high-temperature frictional heat is generated due to repeated movements, and the excellent absorption effect of vibration energy can be continuously exhibited. It will be a bearing wall structure with vibration damping performance of a wooden building with a more practical structure.

Further, in the invention according to claim 6, by reinforcing the right device half body and the left device half body with the reinforcing material, the shape of the vibration damping damper device can be further stabilized and high yield strength can be exhibited, and the right device can be exhibited. A configuration in which the half body (the right end of the upper and lower braces) can be joined to the right pillar material, and a configuration in which the left device half body (the left end of the upper and lower braces) can be joined to the left pillar material. It will be a load-bearing wall structure with vibration damping performance of a wooden building with a structure that is more practical and can be easily designed and realized.

It is explanatory front view which shows Example 1. FIG. It is a perspective view which shows the vibration damping damper device of Example 1. FIG. It is an exploded perspective view which shows the vibration damping damper device of Example 1. FIG. It is explanatory partial enlarged plan sectional view which shows the damper mechanism of the vibration damping damper device of Example 1. FIG. It is explanatory part enlarged forward sectional view which shows the damper mechanism of the vibration damping damper device of Example 1. FIG. It is explanatory part enlarged normal sectional view which shows the operation of the damper mechanism of the vibration damping damper device of Example 1. FIG. It is explanatory front view which shows Example 2. FIG.

An embodiment of the present invention that is considered to be suitable will be briefly described by showing the operation of the present invention based on the drawings.

A wooden structure composed of a lower horizontal member 1, a pair of left and right pillars 2 erected on the lower horizontal member 1, and an upper horizontal member 3 erected between the upper ends of the pair of left and right pillars 2. In the frame structure portion F of the building, vibration damping damper devices A are arranged at two upper and lower positions between the pair of left and right pillar members 2, and the two upper and lower vibration damping damper devices A have windows and the like between them. It is arranged so as to leave an opening 9 in which the fitting for installation of the opening can be installed.

Therefore, although the bearing wall structure has a high vibration damping performance in which vibration energy such as an earthquake is well absorbed by the two upper and lower vibration damping damper devices A, the opening 9 between the upper and lower vibration damping damper devices A is used. It is possible to install fittings for opening openings such as windows.

Further, the vibration damping damper device A of the present invention has a dogleg-shaped right device half body 4 having two upper and lower braces 5 and an inverted left device half having two upper and lower braces 7. The body 6 is arranged in an X shape, and the right end portions of the upper and lower braces 5 of the right device half body 4 can be joined to the pillar member 2A on the right side, and the upper and lower parts of the left device half body 6 are formed. The left end portion of the brace 7 is configured to be joined to the pillar member 2B on the left side, and the left end portion of the right device half body 4 and the right end portion of the left device half body 6 are connected via a damper mechanism 8. Has been done.

Therefore, the X-shaped vibration damping damper device A has a stable shape, and the vibration energy such as an earthquake transmitted to the left and right pillar members 2 is transmitted to the upper and lower two braces 5 and the left device of the right device half body 4. It can be efficiently transmitted to the damper mechanism 8 in the central portion via the two upper and lower braces 7 of the half body 6.

Further, in the damper mechanism 8 of the present invention, a pair of front and rear outer plate portions 10 are provided at the left end portion of the right device half body 4, and an inner plate inserted between the front and rear outer plate portions 10 is provided. The portion 11 is provided at the right end portion of the left device half body 6, or a pair of front and rear outer plate portions 10 are provided at the right end portion of the left device half body 6, and the front and rear outer plates are provided. An inner plate portion 11 inserted between the portions 10 is provided at the left end portion of the right device half body 4, and a friction material 12 is provided on the opposite inner side of each of the pair of front and rear outer plate portions 10, and friction between the front and rear portions is provided. The inner plate portion 11 is sandwiched between the members 12 and the left end portion of the right device half body 4 and the right end portion of the left device half body 6 are connected so as to be relatively movable in the vertical direction.

Therefore, in the damper mechanism 8, the front and rear friction materials 12 (of the outer plate portion 10) exert a braking force on the inner plate portion 11 sandwiched between the friction materials 12, thereby causing vibration such as an earthquake. When the right device half body 4 joined to the right pillar member 2A and the left device half body 6 joined to the left pillar member 2B by energy try to move relative to each other in the vertical direction, this relative movement is damped. It will exert the vibration damping performance of the wooden building.

Further, since the damper mechanism 8 of the present invention has a configuration in which the relative movement direction between the right device half body 4 and the left device half body 6 is limited only in the vertical direction, it is relative not only in the vertical direction but also in the horizontal direction and the like. The vibration damping damper device A has a structure that is advantageous in terms of resistance as compared with a mechanism that can move and absorb vibration energy, and exhibits high resistance.

Specific Example 1 of the present invention will be described with reference to FIGS. 1 to 6.

The bearing wall structure having vibration damping performance of the wooden building of this embodiment includes a lower horizontal member 1, a pair of left and right pillar members 2 erected on the lower horizontal member 1, and a pair of left and right columns. An X-shaped vibration damping damper device A is arranged between the pair of left and right pillar members 2 of the frame structure portion F composed of the upper horizontal member 3 erected between the upper ends of the members 2.

Further, as shown in FIG. 1, the vibration damping damper device A has two upper and lower positions between the pair of pillar members 2 (between the upper ends of the pair of pillar members 2 and the middle between the pair of pillar members 2). It is arranged at two places) slightly below the position), and an opening 9 in which an opening installation fitting such as a window can be installed is left between the upper and lower vibration damping damper devices A.

That is, this embodiment has a configuration including a vibration damping damper device A capable of absorbing vibration energy such as an earthquake and effectively suppressing the shaking of a building, but a pair of pillar members of a frame structure portion F. It is configured as a bearing wall structure with vibration damping performance of a wooden building in which fittings for opening openings such as windows can be installed between the two.

Further, as shown in FIG. 2, the vibration damping damper device A of the present embodiment has a dogleg-shaped right device half body 4 having two upper and lower braces 5 and an inverted device A having two upper and lower braces 7. The dogleg-shaped left device half body 6 is arranged in an X shape, and the left end portion of the right device half body 4 and the right end portion of the left device half body 6 are connected via a damper mechanism 8. ing.

More specifically, in the right device half body 4, the upper and lower braces 5 are made of an angle material, and the reinforcing material 16 made of the angle material is fixed between the right ends of the upper and lower braces 5 in an erected state. At the same time, a pair of front and rear outer plate portions 10 are fixed to the left end portions of the upper and lower braces 5 so as to sandwich the left end portion from the front and rear, and are formed in a substantially triangular frame shape when viewed from the front. On the other hand, in the left device half body 6, the upper and lower braces 7 are made of an angle material, and the reinforcing material 17 made of the angle material is erected between the left end portions of the upper and lower braces 7. In addition to being fixed, an inner plate portion 11 having substantially the same shape as the outer plate portion 10 is fixed to the right end of the upper and lower braces 7, and a substantially triangular frame symmetrical to the right device half body 4 when viewed from the front. It is formed in a shape.

A pair of front and rear outer plate portions 10 may be provided on the left device half body 6, and an inner plate portion 11 may be provided on the right device half body 4.

Further, as shown in FIG. 3, the reinforcing material 16 to the brace 5, the fixing structure of the outer plate portion 10, and the fixing structure of the reinforcing material 17 to the brace 7 and the inner plate portion 11 are bolts formed through each member. Bolts 19 and nuts 20 are fastened through holes 18. The bolt holes 18 of the brace 7, the inner plate portion 11, the reinforcing material 16 and the reinforcing material 17 are not shown.

Further, a plurality of screw holes 21 are formed through the outer plate portion of the reinforcing material 16 of the right device half body 4, and a plurality of screw holes 21 are provided along the pillar material 2A on the right side. By driving a screw (such as a wood screw) into the pillar material 2A on the right side through the screw hole 21 of the right device, the brace 5 above and below the right device half body 4 together with the reinforcing material 16 (via the reinforcing material 16). The right end is configured to be joinable to the right pillar 2A, and similarly, a plurality of screw holes 21 are formed through the outer plate of the reinforcing material 17 of the left device half body 6, and the reinforcing material 17 is formed through. By driving screws into the left pillar material 2B through a plurality of screw holes 21 while arranging the outer plate portion of the left side along the left side pillar material 2B, together with this reinforcing material 17 (via the reinforcing material 17). The left end portions of the upper and lower braces 7 of the left device half body 6 can be joined to the left pillar member 2B.

Further, in the damper mechanism 8, a friction material 12 is provided on the opposite inner side of each of the pair of front and rear outer plate portions 10, and the inner plate portion 11 is sandwiched between the front and rear friction materials 12 to obtain a right device. A vibration damping damper device in which the left end portion (outer plate portion 10) of the half body 4 and the right end portion (inner plate portion 11) of the left device half body 6 are connected to form a substantially X-shaped front view as a whole. A is configured.

More specifically, a mounting recess 22 that is recessed outward is provided on each of the pair of front and rear outer plate portions 10 facing each other (integrally molded), and the mounting recess 22 is formed into a thin rectangular shape. A plate-shaped friction material 12 is attached. The flat surfaces of the front and rear friction materials 12 facing each other are configured as friction surfaces 12A that can come into contact with the front and rear (front and back) plate surfaces of the inner plate portion 11, and the friction surfaces 12A are the outer plate portion 10. The inner plate portion 11 is sandwiched between the friction surfaces 12A of the front and rear friction materials 12 so as to project inward from the opposite inner side surfaces of the above (see FIG. 4).

Further, as the friction material 12, an existing brake pad for a vehicle is adopted. The friction material raw material used for this brake pad is a reinforcing fiber, a binder, a friction adjusting material, etc., and is produced by blending these.

More specifically, the reinforcing fibers that are the base material of the friction material include metal fibers such as steel fibers, copper fibers, and brass fibers; aromatic polyamide fibers (aramid pulp, etc .: commercially available products manufactured by DuPont, trade name Kevlar (registered). Organic fibers such as acrylic fibers, cellulose fibers, flame-resistant acrylic fibers; non-asbestos-based inorganic fibers such as potassium titanate fibers, glass fibers, alumina fibers, carbon fibers, rock wool and the like can be mentioned. One or a combination of two or more of these can be used.

Examples of the binder include a phenol resin, a urea resin, a melamine resin, and a thermosetting resin such as a modified resin thereof.

Examples of the friction adjusting material include organic dust such as cashew dust, rubber dust, and melamine dust; fillers (fillers) such as calcium carbonate, barium sulfate, layered clay minerals, and calcium hydroxide; and metal oxidation of magnesia, alumina, and zirconia. Grinding materials for objects, etc .; metal powders such as aluminum powder, copper powder, zinc powder, lubricants such as graphite, molybdenum disulfide, etc.; etc., and one selected from these or two or more types appropriately combined are filled. It can be used as a material.

Further, in the damper mechanism 8 of the present embodiment, as shown in FIGS. 3 and 5, a bolt through hole 13 is provided in the outer plate portion 10, and a mating hole 14 communicating with the bolt through hole 13 is the inner plate. The outer plate portion 10 (right device half body 4) and the inner plate portion 11 (right device half body 4) are provided by inserting the connecting bolt 15 into the bolt through hole 13 and the mating hole 14 which are provided in the portion 11 and fixing the nut 20. The left device half body 6) is connected, and the mating hole 14 is formed into a long hole having a length in the vertical direction, and a connecting bolt 15 is allowed in the long hole-shaped mating hole 14. Within the movement range, the right device half body 4 and the left device half body 6 are configured to be relatively movable only in the vertical direction.

Further, the bolt through holes 13 are provided at the left and right positions of the front and rear outer plate portions 10, and are provided at two upper and lower positions on the right side and the left side, respectively, while the mating holes 14 are provided at four places in total. , The inner plate portion 11 is provided at two locations on the left and right, and the right mating holes 14 are configured to communicate with the two bolt through holes 13 on the right upper and lower sides of each outer plate portion 10, and the left mating holes 14 are aligned. The holes 14 are configured to communicate with the bolt through holes 13 at the upper and lower left sides of each outer plate portion 10.

Then, the outer plate portion 10 (half of the right device) is inserted through the connecting bolts 15 which are inserted into the bolt through holes 13 at all four locations (a total of eight locations in the front and rear) and are inserted into the mating holes 14 by two on each side. The body 4) and the inner plate portion 11 (left device half body 6) are configured to be stably relatively movable in the vertical direction (see FIGS. 3, 5, and 6).

That is, when vibration energy due to an earthquake or the like is applied to the framework structure portion F, the right device half body 4 joined to the right pillar member 2A and the left device half body 6 joined to the left pillar member 2B are relative to each other. Although it is displaced, this relative displacement is limited only in the vertical direction, and this relative displacement is damped by the friction material 12 to absorb vibration energy, so that the vibration damping performance of the building is exhibited. ..

Further, according to the damper mechanism 8 of the present embodiment, it is possible to adjust the braking force by the friction material 12 by adjusting the tightening degree of the connecting bolt 15 and the nut 20.

In addition, instead of forming the mating hole 14 as an elongated hole, a configuration may be adopted in which the bolt through hole 13 is formed as an elongated hole having a length in the vertical direction.

Further, when the vibration damping damper device A of this embodiment is arranged at two places above and below between the pair of pillar members 2, it is used for installing openings such as windows and doors between the upper and lower vibration damping damper devices A. The size is set so that the opening 9 on which the fittings can be installed remains.

Specifically, the vibration damping damper device A is set to a small device having a height dimension (the length dimension of the reinforcing members 16 and 17) of about 400 mm, whereby the vibration damping damper device A is described. It is designed so that when the pair of pillar members 2 are arranged at two locations above and below, the opening 9 sufficient for installing the opening installation fitting remains.

Further, by configuring such a small and lightweight vibration damping damper device A, the installation of the vibration damping damper device A on the frame structure portion F can be easily performed.

Further, in the vibration damping damper device A of the present embodiment, as described above, the brace 5 constituting the right device half body 4, the outer plate portion 10 and the reinforcing material 16 are also assembled with the brace 7 forming the left device half body 6. Since the assembly of the inner plate portion 11 and the reinforcing material 17 and the connection between the outer plate portion 10 and the inner plate portion 11 are all performed by bolts and nuts, this configuration can be easily designed and realized. , Excellent mass productivity.

Further, as shown in the figure, the vibration damping damper device A of this embodiment has a symmetrical shape, so even if the vibration damping damper device A is arranged in the frame structure portion F in a state where the front and back sides are inverted 180 degrees, it is not a mistake to attach it. Can demonstrate the damping performance of.

Specific Example 2 of the present invention will be described with reference to FIG.

In this embodiment, in the first embodiment, another vibration damping damper device A is arranged between the pair of pillar members 2 below the vibration damping damper device A arranged on the lower side.

That is, in this embodiment, three vibration damping damper devices A are arranged in the frame structure portion F while leaving the opening 9 (the vibration damping damper devices A are arranged at three places between the pair of pillar members 2). In this case, the bearing wall structure has a vibration damping performance of a wooden building that exhibits higher bearing capacity than that of the first embodiment.

Other configurations are the same as those in the first embodiment.

The present invention is not limited to Examples 1 and 2, and the specific configuration of each configuration requirement can be appropriately designed.

1 Lower horizontal member 2 Pillar material 2A Right pillar material 2B Left pillar material 3 Upper horizontal member 4 Right device half body 5 Brace 6 Left device half body 7 Brace 8 Damper mechanism 9 Opening
10 Outer panel
11 Inner plate
12 Friction material
12A friction surface
13 Bolt through hole
14 Matching hole
15 Connecting bolt
16 Reinforcing material
17 Reinforcing material A Vibration damping damper device F Framework structure

Claims (6)

The left and right of the frame structure portion composed of a lower horizontal member, a pair of left and right pillars erected on the lower horizontal member, and an upper horizontal member erected between the upper ends of the pair of left and right pillars. It is a bearing wall structure having vibration damping performance of a wooden building in which a vibration damping damper device is arranged between a pair of pillars, and the vibration damping damper device has a dogleg shape equipped with two upper and lower braces. The right device half body and the inverted left device half body equipped with two upper and lower braces are arranged in an X shape, and the right end of the upper and lower brace of the right device half body is on the right side. The left end of the upper and lower braces of the left device half body is configured to be joinable to the pillar material on the left side, and the left end portion and the left device of the right device half body are configured to be joined to the pillar material. The right end of the half body is connected via a damper mechanism, and the vibration damping damper device is arranged at two upper and lower positions between the pair of pillar members, and between the upper and lower vibration damping damper devices. The damper mechanism of this vibration damping damper device has a pair of front and rear outer plate portions at the left end of the right device half body, and is arranged so as to leave an opening in which fittings for installation of openings such as windows can be installed. An inner plate portion that is provided and is inserted between the front and rear outer plate portions is provided at the right end portion of the left device half body, or a pair of front and rear plates are provided at the right end portion of the left device half body. An outer plate portion is provided, and an inner plate portion inserted between the front and rear outer plate portions is provided at the left end portion of the right device half body, and is provided on the opposite inner side of each of the pair of front and rear outer plate portions. A friction material is provided, and the inner plate portion is sandwiched between the front and rear friction materials, and the left end portion of the right device half body and the right end portion of the left device half body are connected so as to be relatively movable in the vertical direction. At the same time, the vibration damping of the wooden building is characterized in that the relative movement of the right device half body and the left device half body in the vertical direction is dampened by the friction of the friction material on the inner plate portion. A bearing wall structure with performance. The vibration damping damper device is characterized in that when it is arranged at two upper and lower positions between the pair of pillar members, the size is set so that the opening remains between the upper and lower vibration damping damper devices. A bearing wall structure having vibration damping performance of the wooden building according to claim 1. In the damper mechanism, a bolt through hole is provided in the outer plate portion, and a mating hole for communicating with the bolt through hole is provided in the inner plate portion, and the bolt through hole and the mating hole are connected to each other. The outer plate portion and the inner plate portion are connected by inserting a bolt, and the bolt through hole or the mating hole is formed as an elongated hole having a length in the vertical direction, and this elongated hole-shaped bolt is formed. Any of claims 1 and 2, wherein the right device half body and the left device half body are configured to be relatively movable in the vertical direction within a movement range in which the connecting bolt is allowed in the through hole or the mating hole. A bearing wall structure having the vibration damping performance of the wooden building described in item 1. The friction material is formed in a shape having a friction surface that can be contacted with the plate surface of the inner plate portion, and is provided between the friction surfaces of the friction material provided on the opposite inner sides of the pair of front and rear outer plate portions. The load-bearing wall structure having the vibration damping performance of the wooden building according to any one of claims 1 to 3, wherein the inner plate portion is sandwiched. The friction material is a load-bearing wall structure having vibration damping performance of a wooden building according to any one of claims 1 to 4, wherein a brake pad for a vehicle is adopted. In the right device half body, a reinforcing material is fixed in an erected state between the right end portions of the upper and lower braces, and the reinforcing material is configured to be joined to the pillar material on the right side. The body is characterized in that a reinforcing material is fixed in an erected state between the left end portions of the upper and lower braces, and the reinforcing material is configured to be joined to the pillar material on the left side. A load-bearing wall structure having vibration damping performance for a wooden building according to any one of 5.

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