JP2860699B2 - Prefabricated damping wall - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a prefabricated damping wall used for a steel building or other buildings.

[Conventional technology]

Conventionally, as a damping wall used for a building,
As disclosed in JP-43672, a plurality of precast concrete inner panels are arranged in series at intervals between two precast concrete outer panels arranged in parallel at an interval. In addition, a viscous material is interposed between both surfaces of each inner panel and each outer panel and between the inner panels, and a low plate is interposed between the lower ends of the outer panels, and the lower end of each outer panel. Abut the outer surface of the part and connect them with bolts,
Further, the lower portions of the outer panels and the inner panels are connected by bolts inserted therethrough, and the mounting plate embedded and fixed to the upper end of each of the inner panels is turned by a bolt with respect to the support plate fixed to the upper beam. A control wall is known which is movably connected and has a structure in which the angle member is fixed to a lower beam.

[Problems to be solved by the invention]

However, in the case of the conventional damping wall, since the thickness of the damping wall resistance is considerably increased, the weight of the damping wall is significantly increased, and therefore, the work of building the damping wall at the construction site is performed. Becomes difficult. Further, since the structure of the vibration damping wall is complicated, there is a problem that the manufacturing cost is high.

An object of the present invention is to provide an assembled damping wall which can advantageously solve the above-mentioned problem.

[Means for solving the problem]

In order to achieve the above object, in the prefabricated damping wall of the present invention, gusset plates 2 and 3 are respectively attached to upper and lower horizontal members 13 and 14 of the wall panel setting space 1 in the building frame. The gusset plate 2 is provided with a vertical core plate 4, a gap 12 between the outer plate 6 fixed to both surfaces thereof via a viscoelastic material layer 5, and the viscoelastic material layer 5, The core plate 4 in the fine vibration damping device 7 comprising the spacer 10 disposed between the face plates 6 is mounted, and the other mounting member 18 having the spacer 19 on the other gusset plate 3
Are attached, two end surfaces of two wall panels 8 arranged in parallel at a predetermined interval are applied to the side surfaces of both outer plates 6 in the vibration damping device 7, and the outer plates 6 and the spacers 10 are provided.
And the wall panel 8 is fixed to the outer panel 6 by bolts 17 penetrating therethrough.
And is fixed to the side surface of the spacer 19.

〔Example〕

 Next, the present invention will be described in detail with reference to the illustrated example.

FIGS. 8 and 9 show a vibration damping device 7 used in an embodiment of the present invention, wherein a plurality of bolt insertion holes 9 are provided at one end of a steel core plate 4, and The inner surface of the viscoelastic material layer 5 is integrally fixed to both surfaces of the portion of the plate 4 except for one end by an adhesive, and the inner surface of the intermediate portion of the steel outer plate 6 is bonded to the outer surface of each viscoelastic material layer 5 by an adhesive. The steel plate spacer 10 is interposed between the three sides of the outer plate 6 protruding from the viscoelastic material layer 5 on the outer plate 6, and the spacer 10 is fixed to the outer plate 6 by bolts or welding. A large number of bolt insertion holes 11 are provided over the outer face plate 6 and the spacer 10, and a gap 12 is provided between the spacer 10 and the periphery of the core plate 4 and the viscoelastic material layer 5.
Is provided.

1 to 5 show an assembled damping wall according to a first embodiment of the present invention using the vibration damping device 7, which is located above a wall panel installation space 1 in a frame of a steel building. At the bottom of the upper horizontal member 13 consisting of beams or slabs,
A plurality of steel gusset plates 2 are fixed, and a plurality of steel gusset plates 3 are fixed on a lower horizontal member 14 made of a beam or a slab below the wall panel installation space 1. The projecting portion of the plate 4 is overlapped with the gusset plate 2 and a plurality of bolts 15 penetrating therethrough are provided.
And two wall panels 8 having notches at four corners are arranged at intervals in the indoor and outdoor directions, and a plurality of wall panels 8 are arranged at intervals between the left and right pillars 16, The upper corners of the two wall panels 8 arranged side by side are superposed on the outer panel 6 of the vibration damping device 7 and fixed by bolts 17 penetrating therethrough. 2 lined in the indoor and outdoor directions
Two sides of the steel plate mounting bracket 18 are inserted between the lower notched corners of the two wall panels 8, and a steel plate spacer 19 is interposed between the mounting bracket 18 and each wall panel. 18 and each of the wall panels 8 and the spacer interposed therebetween are connected by bolts 20 inserted therethrough, and the mounting bracket 18 is superimposed on the gusset plate 3 and the bolts inserted therethrough Fixed by 21. A notch 22 is provided at a side portion of the wall panel 8 at an intermediate portion in the vertical direction, and a steel support plate 23 exposed in the notch is inserted between the side portions of the indoor and outside wall panels, and a bolt is inserted. 24, the steel joint plate 25 is superimposed on both sides of the support plate
Further, a steel plate spacer 27 is inserted into an intermediate portion of a side portion of the wall panel 8 on the inside and outside, which is close to the column 16, and is fixed by a bolt 28.

When assembling and mounting the assembled damping wall of the first embodiment, first, as shown in FIG. 6, a plurality of gusset plates 3 are fixed to the lower part of the upper horizontal member 13, and as shown in FIG. Fixing the core plate 4 of the vibration damping device 7 to the gusset plate 2 and fixing the mounting bracket 18 to the gusset plate 3;
Next, as shown in FIG. 1, the wall panel 8 is fixed to the outer panel 6 and the mounting bracket 18 of the vibration damping device 7, and the wall panels 8 adjacent to each other in the left-right direction are interposed via the support plate 23 and the joint plate 25. To connect.

FIGS. 10 to 12 show a second embodiment of the present invention, in which a notch 29 is provided at the upper center of each wall panel 8 arranged in the indoor and outdoor directions, and the notch 29 in each wall panel 8 is provided. The lower part is superimposed on the outer surface plate 6 of the vibration damping device 7 and is fixed by bolts 17 penetrating them, but the other configuration is the same as that of the first embodiment.

FIG. 13 shows a third embodiment of the present invention.
In the wall panel installation space 1 surrounded by the upper horizontal member 13, the lower horizontal member 14, and the left and right columns 16, two large wall panels 8 are arranged at intervals in the indoor and outdoor directions. Notches 29 are provided on both left and right sides of the upper part of the upper part 8, and the lower part of the notch 29 in each wall panel 8 is overlapped with the outer surface plate 6 in the vibration damping device 7 and fixed by bolts 17 penetrating them. Furthermore, two sides of the mounting bracket 18 are inserted between the notched corners at the lower left and right sides of each wall panel 8, and a spacer 19 is interposed between the mounting bracket 18 and each wall panel 8. 18 and the respective wall panels 8 and the spacers 19 interposed therebetween are connected by bolts 20 inserted therebetween, but other configurations are the first.
This is the same as in the embodiment.

In practicing the present invention, the wall panel 8 includes:
Wood-based, cement-based, gypsum-based, and calcium silicate-based boards can be used. Cement, gypsum,
When manufacturing a calcium silicate board, it is preferable to increase the bending strength of the board by mixing glass fibers or synthetic fibers.

When fixing the gusset plates 2 and 3 to steel beams, they are fixed by welding, for example, and when fixing the gusset plates 2 to a reinforced concrete slab, they are fixed by anchor bolts, for example.

As the viscoelastic material constituting the viscoelastic layer 5, an asphalt viscoelastic material such as rubber asphalt, an acrylic viscoelastic material such as acrylic polymer, or a silicone viscoelastic material such as silicone rubber can be used.

The core plate 4 of the vibration damping device 7 is fixed to the gusset plate 3 fixed to the lower horizontal member 14 by bolts, and the lower portion of the wall panel 8 is fixed to the outer panel 6 by bolts. The mounting bracket fixed to the upper part of the panel 8 may be fixed to the gusset plate 2 fixed to the upper horizontal member 13 by bolts.

One of the core plates 4 of the vibration damping device 7 is
The gusset plate fixed to 16 is fixed by bolts, and one end of the wall panel 8 in the left-right direction is fixed to the outer surface plate 6 of the vibration damping device 7 by bolts, and further fixed to the other column 16. A mounting bracket fixed to the other end in the left-right direction of the wall panel 8 may be fixed to the gusset plate with bolts. A sound insulating material or a heat insulating material may be interposed between the two wall panels 8 arranged on the inside and outside or between the periphery of the wall panel 8 and the frame of the building to provide sound insulating property and heat insulating property. Further, a reinforcing frame may be interposed between the two wall panels 8 inside and outside the room.

〔The invention's effect〕

Since the present invention is configured as described above, the following effects can be obtained.

After the wall panel 8 and the vibration damping device 7 are separately manufactured and transported to the construction site, the damping wall can be assembled at the construction site. And it is not necessary to embed the damping device in the wall panel in advance, so that the wall thickness can be reduced. Further, the assembled damping wall of the present invention has a simple structure and a small number of constituent members. Therefore, the damping wall can be quickly assembled, and the weight of the damping wall can be reduced.

[Brief description of the drawings]

1 to 5 show a first embodiment of the present invention, wherein FIG. 1 is a front view of an assembled damping wall, FIG. 2 is a sectional view taken along line AA of FIG. 3 is an enlarged longitudinal side view showing an upper portion of FIG. 2, FIG. 4 is an enlarged longitudinal side view showing a lower portion of FIG. 2, and FIG. 5 is a BB line of FIG. It is a line expanded sectional view. FIG. 6 is a front view showing a state in which a gusset plate is attached to a building frame, FIG. 7 is a front view showing a state in which a vibration damping device and a mounting bracket are attached to a gusset plate, and FIG. 8 is a vibration damping device. 9 is a sectional view taken along the line CC of FIG. FIG. 10 is a front view showing an assembled damping wall according to a second embodiment of the present invention, FIG. 11 is an enlarged sectional view taken along line DD of FIG.
FIG. 13 is an enlarged sectional view taken along the line EE of FIG. 10, and FIG. 13 is a front view showing an assembled damping wall according to a third embodiment of the present invention. In the figure, 1 is a wall panel installation space, 2 and 3 are gusset plates, 4 is a core plate, 5 is a viscoelastic material layer, 6 is an outer panel, 7 is a control device, 8 is a wall panel, 10 is a spacer, 12 is Gap, 13 is the above horizontal member, 14 is the lower horizontal member, 15 is a bolt, 16 is a column, 17 is a bolt, 18 is a mounting bracket, 19 is a spacer, 20 and 21 are bolts, 23 is a support plate, 24 is a bolt, twenty five
Is a joint plate, 26 is a bolt, and 27 is a spacer.

Claims (1)

(57) [Claims] 1. A gusset plate 2, 3 is attached to each of horizontal members 13, 14 in an upper part and a lower part of a wall panel setting space 1 in a building frame, and one gusset plate 2 has a vertical core plate 4, An outer plate 6 fixed to both surfaces via a viscoelastic material layer 5, and a spacer 10 formed between both outer plates 6 to form a gap 12 between the viscoelastic material layer 5. One end of two wall panels 8 in which the core plate 4 in the vibration damping device 7 is mounted, and a mounting bracket 18 having a spacer 19 is mounted on the other gusset plate 3, and are arranged in parallel at a predetermined interval. The outer side plate is applied to the side surface of both outer surface plates 6 in the vibration damping device 7, and is fixed to the outer surface plate 6 by bolts 17 penetrating the outer surface plate 6, the spacer 10, and the wall panel 8,
An assembled vibration damping wall in which the other side surfaces of the two wall panels 8 are applied to and fixed to the side surfaces of the spacer 19 of the mounting bracket 18.