JP2002180573A - Vibration control structure of building - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a vibration control structure of a building and a wall forming panel capable of having a simple structure, facilitating the execution, easily and economically increasing an earthquake resisting performance of the building without impairing flexibility of a floor plan. SOLUTION: The vibration control structure of the building is so constituted that viscoelastic bodies 3 are fixed to the sides 2a of an outdoor side (or an indoor side) of a wall forming structural skeleton 2 in the building and that the wall forming panel 1 is fixed on the sides 2a through the viscoelastic bodies 3. The wall forming panel 1 is constituted of the front side substrate plate 11 integrally joined with the back side substrate plate 12, the front side substrate plate 11 and the back side substrate plate 12 are respectively constituted so that a large number of narrow strip boards 13 (14) can be parallelly arranged at predetermined intervals and can be arranged by changing their inclinations each other, and both narrow strip boards 13 and 14 are connected to each other through viscoelastic bodies 18 at cross sections 17.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a building, which has a simple structure, is easy to construct, and can easily and economically improve the seismic performance of the building without impairing the flexibility of the floor plan. The present invention relates to a damping structure and a panel for forming a wall.

[0002]

2. Description of the Related Art In recent years,
Improving the seismic performance of a wooden house or the like using a vibration damping device has been performed.
Discloses a technique of installing a reinforcing member incorporating a vibration damper in a wall. However, the wall body which can incorporate such a reinforcing member is limited,
In order to provide a building with sufficient vibration damping performance, a dedicated wall must be newly provided to incorporate a reinforcing member, and the degree of freedom of a floor plan is limited. Also,
When a vibration damping device using a vibration damper or the like is installed in a wall, interference with other members arranged in the wall, for example, interference with a bracing or the like arranged in the outer wall is considered. The necessity causes inconveniences such as a complicated outer wall structure, a special technique required for construction, and an increase in construction cost.

Accordingly, the present invention provides a vibration damping system for a building, which has a simple structure, is easy to construct, and can easily and economically improve the seismic performance of the building without impairing the flexibility of the floor plan. An object of the present invention is to provide a structure and a panel for forming a wall.

[0004]

According to the present invention, a viscoelastic body is fixed to the outside or indoor side surface of a structural frame for forming a wall in a building, and the viscoelastic body is fixed on the side surface via the viscoelastic body. The object has been achieved by providing a vibration damping structure for a building, wherein a wall forming panel is fixed.

Further, the present invention comprises a front base plate and a back base plate which are joined and integrated, and each of the front base plate and the back base plate has a plurality of strip-shaped narrow plates having a predetermined gap. And the strip-shaped narrow plate constituting the front-side base plate and the band-shaped small-width plate forming the back-side base plate are arranged in parallel with each other at different inclination angles. The above object has been achieved by providing a panel for forming a wall, wherein the panel is joined through a viscoelastic body.

[0006]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, the present invention will be described in detail based on preferred embodiments. The vibration damping structure for a building according to the first embodiment includes a viscoelastic body 3 on the outdoor side surface 2a of a structural skeleton 2 for wall formation provided along the outer wall surface of a wooden building.
And the wall forming panel 1 is fixed on the side surface 2 a via the viscoelastic body 3.

The panel 1 for forming a wall used in the first embodiment
Is an outer wall base material as a preferred embodiment of the wall forming panel of the present invention, as shown in FIG. 3, comprising a front base plate 11 and a back base plate 12 joined and integrated,
The front-side base plate 11 and the back-side base plate 12 are each configured by arranging a large number of band-shaped small width plates 13 and 14 in parallel with predetermined gaps 15 and 16 at different inclination angles. ing. As shown in FIG. 4, the band-shaped narrow plate 13 forming the front-side base plate 11 and the band-shaped narrow plate 14 forming the back-side base plate 12 are interposed at the intersection 17 between the two via a viscoelastic body 18. Are joined.

The wall forming panel 1 according to the present embodiment comprises:
Each of the strips 13 and 14 is formed in a vertically long rectangular shape.
Are inclined in different directions at an angle of 45 degrees with respect to the longitudinal direction of the panel 1, and the two narrow band plates 13 and 14 cross each other at right angles. In addition, the viscoelastic body 18 interposed between the two narrow strips 13 and 14 in the wall forming panel 1.
As shown in FIG. 4, is formed in a sheet shape, and is provided only at the intersection 17 between the band-shaped small width plate 13 and the band-shaped small width plate 14.

The strip-shaped narrow plates 13 and 14 constituting the front-side base plate 11 and the back-side base plate 12, respectively, each have a cross section having a width of about 80 to 100 mm and a thickness of about 9 to 12 mm. A strip-shaped plate member having the same material and shape as the narrow plate used as the lathing substrate can be used. Front base plate 11 and back base plate 12
Between the strip-shaped narrow plates 13 and 14 in FIG.
Is, for example, about 35 to 50 mm.

The viscoelastic material used in the present invention is a substance exhibiting elasticity and viscosity, and is preferably a solid material having a certain elastic property at the time of shearing deformation, exhibiting abundant damping property, and exhibiting its performance even after deformation. Is to maintain. The viscoelastic body is preferably formed into a sheet (including a tape) having a predetermined thickness. In the wall forming panel 1 according to the present embodiment, the viscoelastic body 18 is used. One surface is adhered to the band-shaped small plate 13 constituting the front base plate 11 with an adhesive, and the other surface is adhered to the band-shaped small plate 14 constituting the back base plate 12 with an adhesive. The strips 13 and 14 are joined together.

As the viscoelastic body, those conventionally used for vibration damping of industrial machines or vibration dampers for construction can be used. As the sheet-shaped viscoelastic body 18, for example, Sumitomo 3M Ltd. Trade name "Scotch Dump" or the like. Among the sheet-shaped viscoelastic bodies 18, a viscoelastic body with an adhesive in which an adhesive layer made of an adhesive is formed on both surfaces of the viscoelastic body 18, particularly one in which the adhesive layer is protected by a release sheet until use. Is preferably used. Further, a viscoelastic body itself having self-adhesive properties is also preferably used. In addition, both band-shaped narrow boards 13, 1
The thickness of the viscoelastic body 18 interposed between the four is not particularly limited, but is, for example, 0.5 to 5 mm, and particularly preferably 0.5 to 1.5 mm.

Panel 1 for forming a wall in the first embodiment
Can be easily transported to an installation site as a rectangular panel member having a desired size suitable for mounting on a wall surface and manufactured in a factory or the like, and having a desired strength, rigidity and damping property. .

In the vibration damping structure for a building according to the first embodiment, as shown in FIG. 3, a pair of columns 22, 22, a beam 23, and a base as a structural body provided along the outer wall surface of the wooden building. A tape-shaped viscoelastic body 3 is bonded and fixed to the outdoor side surface 2a of each of the studs 24 and the studs 25 via an adhesive (not shown). 3 is bonded and fixed via an adhesive (not shown). In the wall forming panel 1 according to the first embodiment, the band-shaped narrow plate 13 forming the front-side base plate 11 and the band-shaped narrow plate 14 forming the back-side base plate 12 are arranged in the vertical direction (vertical direction) by 45 °. The wall forming panel 1 is disposed so as to be inclined at an angle of degrees and inclined in different directions symmetrical with respect to a vertical line (vertical line). It is fixed on the side surface 2a.

In the present invention, as the viscoelastic body 3 interposed between the wall forming panel 1 and the outdoor side surface 2a of the structural frame 2, the two strip-shaped narrow plates 13, 1 of the wall forming panel 1 are used.
The same thing as the viscoelastic body 18 interposed between the four can be used.

FIG. 1 shows a vibration damping structure of a building according to a first embodiment.
As shown in FIG. 3, a waterproof sheet 31 is provided on the wall forming panel 1 so as to cover the surface thereof, a lath 32 is fixed on the waterproof sheet 31, and a mortar 33 is applied from above the lath 32. It is worn and forms part of the outer wall of a wooden building. Reference numeral 34 in FIG. 2 denotes a heat insulating material filled in a frame surrounded by the structural frame 2, and reference numeral 35 denotes a ventilation drain fixed to a lower edge portion of the wall forming panel 1.
Note that a siding material may be used instead of the lath 32 and the mortar 33.

According to the vibration damping structure of the wooden building of the first embodiment, the outdoor side surface 2 of the wall forming panel 1 and the structural frame 2 is provided.
Since the viscoelastic body 3 is interposed between the viscoelastic body 3 and the a, the vibration energy at the time of the earthquake can be absorbed by the viscoelastic body 3,
Thereby, the response displacement of the building to the shaking at the time of the earthquake can be efficiently reduced. In addition, the viscoelastic body 3 allows a certain amount of displacement between the wall forming panel 1 and the structural skeleton 2.
Brittle fracture hardly occurs at a joint portion with the like, and a sharp decrease in wall proof strength due to the brittle fracture can be prevented. In addition, since the wall forming panel 1 is fixed on the outdoor side surface 2a of the structural frame 2, the wall forming panel 1 can be easily fixed to the structural frame 2 over the entire periphery. By fixing the entire periphery of the peripheral portion via the viscoelastic body, the seismic performance of the building can be further improved.

Also, unlike a conventional vibration damping structure in which a vibration damping device using a vibration damper or a laminated rubber is installed in a wall, interference with other members arranged in the wall, for example, in an outer wall. Since it is not necessary to consider interference with the bracing or the like to be arranged, the structure is simple and the construction is easy. Further, since it is not necessary to design a dedicated wall for installing the vibration damping device, the degree of freedom of the floor plan is not impaired.

The wall forming panel according to the first embodiment includes a band-shaped small width plate 13 and a back base plate 1 constituting a front base plate 11.
2 is joined via a viscoelastic body 18 at the intersection 17 between the two, so that the wall forming panel 1 itself has “rigidity” as a load-bearing element and a vibration-damping element. "Energy absorption performance". Therefore, according to the wall forming panel 1 according to the first embodiment, the seismic performance of the building can be easily and economically improved by being fixed to the structural frame 2 of the building. Further, since the viscoelastic body 18 is interposed at the joint between the strip-shaped narrow plate 13 and the strip-shaped narrow plate 14, brittle fracture hardly occurs at the joint, and abrupt deterioration in performance due to brittle fracture hardly occurs. .

In the vibration damping structure for a wooden building of the first embodiment, the panel 1 for forming a wall is used for the structural frame 2 via a viscoelastic material 3, so that the seismic performance of the wooden building is improved. Can be more easily and economically improved.

Next, a vibration damping structure for a building according to a second embodiment will be described with reference to FIG. Regarding the second embodiment, points different from the first embodiment will be described. The points that are not particularly described are the same as in the first embodiment. Second
The vibration damping structure of the wooden building according to the embodiment has a pair of pillars 22 as a structural body provided along the outer wall surface of the wooden building.
A tape-shaped viscoelastic body 3 is bonded and fixed to the outdoor side surface 2a of the stud 25 with an adhesive, respectively, and a large number of siding materials 1A (wall forming panels) are respectively provided at both ends and a central portion thereof. Is adhered and fixed to the viscoelastic body 3 via an adhesive. Each siding material 1A has a horizontally long rectangular shape, and many siding materials 1A
They are arranged parallel to each other. A viscoelastic body 18 similar to the one fixed to the side surface 2a of the structural skeleton is interposed at the connection between the siding materials 1A. That is, as shown in FIG. 6, the connection end portion of the siding material 1 </ b> A has a consensus structure, and the opposing vertical surfaces of both siding materials 1 </ b> A are joined via the viscoelastic body 18. FIG.
The viscoelastic body 1 is differently connected to the connecting portion of the siding material 1A.
8 is a view showing an example in which a squeezing member 8 is interposed, a convex portion and a concave portion which are fitted to each other are formed in the siding material 1A arranged adjacently, and a viscoelastic body 18 is interposed between the convex portion and the concave portion. is there. Incidentally, each siding material 1A may be arranged in a vertical direction (vertical direction).

According to the building damping structure of the second embodiment, the siding material 1A, whose ends are fixed via the viscoelastic body, has a "rigidity" as a bearing element and a "stiffness" as a damping element. And "vibration energy absorption performance". Therefore, the seismic performance of the wooden building can be easily and economically improved. In addition, even if the siding material 1A is damaged for some reason, since the siding material 1A is fixed via the viscoelastic body 3, the fragments are prevented from being scattered or dropped. Further, since the siding materials 1A are connected to each other via the viscoelastic body 18, the vibration damping performance of the vibration damping structure is further improved, and the seismic performance of the building can be more easily and economically improved. .

The present invention can be variously modified without being limited to the above embodiment. For example, in the wall forming panel 1 in the first embodiment, it is preferable that upper and lower end portions and both side portions located at the top and bottom at the time of disposition are fixed to the structural frame 2 via the viscoelastic body 3, but only the both side portions are provided. It may be fixed to the structural frame 2 via the viscoelastic body 3. Further, the wall forming panel may be formed of only one plate-like material (such as a structural plywood). The structural frame 2 of the building may be a frame material having a frame wall structure (two-by-four). Further, the building may be a steel building or the like in addition to the wooden building. In addition, the method of fixing the viscoelastic body 3 to the structural frame 2 and the method of fixing the wall forming panel 1 on the viscoelastic body 3 may be fixed with an nail or the like in addition to fixing with an adhesive. And a nail or the like may be used in combination. The panel for forming a wall used in the present invention may be fixed to the side surface 2b on the indoor side of the structural skeleton 2, and furthermore, one or two of the structural skeletons for forming an inner wall such as a partition wall having both sides on the indoor side. It may be fixed to both indoor side surfaces.

[0023]

According to the present invention, there is provided a building having a simple structure, which is easy to construct, and which can easily and economically improve the seismic performance of the building without impairing the flexibility of the floor plan. A vibration damping structure and a panel for forming a wall can be provided.

[Brief description of the drawings]

FIG. 1 is a perspective view, partially cut away, of an embodiment of a building vibration damping structure of the present invention.

FIG. 2 is a sectional view taken along line AA of FIG. 1;

FIG. 3 is an exploded perspective view showing a vibration damping structure of the building of FIG. 1;

FIG. 4 is an enlarged and exploded view of a part of a wall forming panel used in the vibration damping structure of FIG. 1;

FIG. 5 is an exploded perspective view showing another embodiment of the building vibration damping structure of the present invention.

FIG. 6 is a schematic cross-sectional view showing an example in which a viscoelastic body is interposed at a connecting portion between siding materials.

FIG. 7 is a schematic cross-sectional view showing another example in which a viscoelastic body is interposed at a connecting portion between siding materials.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 wall forming panel 11 front side base plate 12 back side base plate 13, band-shaped small width plate 15, 16 gap 17 intersecting portion of band-shaped small width plate 18 viscoelastic body 1A siding material (wall forming panel) 2 structural body 2a room Outer side surface 2b Indoor side surface 22 Column 23 Beam 24 Base 25 Stud 3 Viscoelastic body 31 Waterproof sheet 32 Lath 33 Mortar 34 Insulation material

Continued on front page F term (reference) 2E001 DA03 DD01 DG01 EA08 FA04 GA06 GA10 GA24 GA32 GA42 GA59 GA76 HA01 HC01 HF11 LA03 LA04 LA16 LA17 2E002 HA03 JB16 MA12 3J048 AA02 AC05 AD05 BD08 DA04 EA38

Claims (7)

[Claims] 1. A viscoelastic body is fixed to the outside or indoor side surface of a structural body for forming a wall in a building, and a wall forming panel is fixed on the side surface via the viscoelastic body. A vibration damping structure for buildings. 2. The wall forming panel comprises a front base plate and a back base plate which are joined and integrated, and each of the front base plate and the back base plate has a plurality of strip-shaped small width plates. A strip-shaped narrow plate constituting the front-side base plate and a belt-shaped small-width plate constituting the back-side base plate are arranged in parallel with a gap and arranged at different inclination angles. The vibration damping structure for a building according to claim 1, wherein the vibration damping structure is joined at an intersection. 3. The building according to claim 2, wherein a viscoelastic body is interposed at a joint between the band-shaped narrow plate constituting the front-side base plate and the band-shaped small plate constituting the back-side base plate. Damping structure. 4. The vibration damping of a building according to claim 2, wherein the peripheral portion of the panel for wall formation is fixed on the side surface of the structural skeleton over the entire periphery via a viscoelastic body. Construction. 5. The vibration damping structure for a building according to claim 1, wherein the panel for forming a wall is a siding material. 6. The vibration damping structure for a building according to claim 5, wherein a large number of said siding members are arranged in parallel, and a viscoelastic body is interposed at a connecting portion between said siding members. 7. A front base plate and a back base plate which are joined and integrated, and each of the front base plate and the back base plate includes a plurality of strip-shaped narrow plates arranged in parallel with a predetermined gap. The band-shaped narrow plate constituting the front-side base plate and the band-shaped small width plate constituting the back-side base plate are arranged at different inclination angles from each other. A panel for forming a wall, wherein the panel is joined to the panel.