JP3967824B2 - Building floor sound insulation - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a floor impact sound insulation structure for a building.
[0002]
[Prior art]
Conventionally, as a floor impact sound insulation structure for a building such as a unit building, as described in Japanese Patent No. 2573745 (registered date: October 24, 1996), a sound insulation plate is provided on the floor structure of an upper-floor building unit. Things are known.
[0003]
[Problems to be solved by the invention]
However, since the floor impact sound insulation structure described in the above publication is installed without interfering with the floor joists installed on the floor beam, a wooden beam is attached to the side of the floor beam, A complicated work of placing a sound insulation board on the top and fixing the nail from the top surface was necessary.
[0004]
The present invention has been made to solve the above-described problems of the prior art, and an object of the present invention is to provide a floor impact sound insulation structure in which a sound insulation plate can be easily attached.
[0005]
[Means for Solving the Problems]
Invention of Claim 1 is the floor impact sound insulation structure of the building which provided the sound insulation board in the upper floor structure of the building which consists of multiple floors,
The upper floor structure consists of a large floor beam and a plurality of floor beams spanned between them.
While the crosspieces attached to the edges on both sides of the sound insulation board are bridged between adjacent floor beams,
One of the bridge members adjacent to each other and the other of the bridge members are provided so as to overlap each other in a direction perpendicular to the axial direction of the floor beam .
[0007]
In the floor impact sound insulation structure of the claim 1 Symbol placement, it may sound insulating plate is placed at a position deviated from the floor joist is positioned perpendicular to the floor joists. Then, since the sound insulation board and the floor joist do not interfere with each other, the floor base material or the floor material can be pasted on the floor joist without any trouble.
[0008]
According to a second aspect of the invention, the floor impact sound insulation structure of the building according to claim 1 Symbol placement, buildings, stacked building units of a combination of a column and a floor structure and the ceiling structure into a box shape vertically It is a unit building constructed.
[0010]
(Function)
Floor impact sound insulation structure of the building according to claim 1, wherein the crosspieces attached to both side edge portions of the sound insulation plate, because the bridged adjacent floor small Harima, place the crosspieces on the floor joists fixed with nails or the like even be fitted with a sound insulating plate if Te, attachment work becomes easy.
[0011]
The building floor impact sound insulation structure according to claim 2 is a unit building in which the building is configured by vertically stacking a building unit in which a column, a floor structure, and a ceiling structure are combined in a box shape. Therefore, when the sound insulation plate is previously attached to the building unit at a factory or the like, the work of attaching the sound insulation plate is facilitated, thereby improving the productivity of the building unit. In addition, when installing the sound insulation board at the construction site, the installation work of the sound insulation board becomes easy, thereby shortening the construction period of the unit building.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
FIG. 1 is an embodiment of the present invention, and is a perspective view of a main part of a floor structure to which a sound insulating material is attached, FIG. 2 is a cross-sectional view taken along line AA in FIG. 1, and FIG. FIG. 4 is a schematic diagram of a building unit, and FIG. 5 is a schematic diagram of a unit building.
[0013]
In the unit building 10 shown in FIG. 5, a plurality of lower-floor building units 12 are disposed adjacent to the upper portion of the foundation 11, and a plurality of upper-floor building units 13 are disposed adjacent to the upper portions of the lower-floor building units 12. A plurality of roof units 14 are mounted on the upper part of the floor building unit 13.
Here, as shown in FIG. 4, the building units 12, 13 are made of a shaft assembly, and four square steel pipe columns 15 are arranged at four corners, and groove-shaped steel plates provided at the lower ends of the columns 15. The four corners of the floor structure 17 are joined to the connecting piece 16 and the four corners of the ceiling structure 19 are joined to the groove-shaped steel plate connecting piece 18 provided at the upper end of each column 15. It is comprised so that it may make.
[0014]
The floor structure 17 has four channel steel floor beams 20 fitted inside the connecting piece 16 and welded to form an outer frame. Moreover, the floor structure 17 welds each of the plurality of floor beams 21 arranged in parallel with each other to the large floor beams 20 and 20 facing each other.
Further, the floor structure 17 fixes each of the plurality of wooden floor joists 23 arranged in parallel to each other to the upper part of each floor beam 21 with an adhesive or nailing, and the floor plate 22 to the upper part of each floor joist 23. Is fixed with adhesive or nailing.
[0015]
The ceiling structure 19 has four channel steel ceiling beams 25 fitted inside the connection piece 18 and welded to form an outer frame. In the ceiling structure 19, each of the plurality of ceiling joists 26 arranged in parallel to each other is fixed to the lower flange of the facing ceiling beam 25 with an adhesive or nailing.
Furthermore, the ceiling structure 19 has a ceiling plate fixed to the lower part of each ceiling joist 26 with an adhesive or nailing.
[0016]
The ceiling structure 19 of the lower floor building unit 12 is provided with a sound insulating material. As this sound insulating material, it is comprised from a ceiling back gypsum board and a plywood, for example. The gypsum board is nailed and fixed to the upper part of the ceiling joists so as to substantially completely block the frame space surrounded by the framed ceiling beams. The plywood is fixed by nailing to the upper part of the gypsum board.
[0017]
However, in the unit building 10, as shown in FIGS. 1 to 3, an impact sound attenuation plate 31 as a sound insulation plate on the floor structure 17 of the upper floor building unit 13, and the center of the upper surface of the impact sound attenuation plate 31. A composite plate comprising an impact sound attenuating plate 32 attached to the part is provided. The impact sound attenuation plate 31 is a particle board, and the impact sound attenuation plate 32 is formed of a gypsum board.
The sound insulation board is composed of either a particle board, a plaster board, a hard wood cement board, or a composite board thereof, or a composite of these and an iron board, and straddles the upper surface of the adjacent floor beam 21. Can be installed.
[0018]
Further, wooden crosspieces 33 and 33 are attached to both side edges of the impact sound attenuation plate 31 (sound insulating material). The crosspiece 33 is composed of a floor beam mounting square spanned between adjacent floor beams, and a sound insulating material mounting square provided at the lower center of the floor beam mounting square.
In addition, the vertical thickness of the square beam for mounting the floor beam is made smaller than the vertical thickness of the floor joist 23 so that the floor plate 22 is not hindered when being pasted on the upper surface of the floor joist 23. ing.
[0019]
A construction method of the floor impact sound blocking structure of the unit building 10 in which the floor structure 17 is provided with a sound insulating material will be described.
First, both side edges of the impact sound attenuating plate 31 (sound insulating material) are attached to the crosspiece 33 in advance by an adhesive or nailing. As shown in FIGS. 1 and 2, the crosspiece 33 to which the sound insulating material is attached is disposed between the floor joists 23 and 23 in the direction of the floor joists 23, and between the adjacent floor beams 21 and 21. It bridges between them and drives the nail 34 to fix the crosspiece 33 to the floor beam 21.
At that time, the particle board of the impact sound attenuation plate 31 of the sound insulating material and the floor beam 21 are fixed so as not to contact each other. When contacted, the vertical vibration of the particle board due to the floor impact sound is suppressed, and high floor impact sound blocking performance cannot be obtained.
A plurality of sound insulating materials are installed in the direction of the floor beam 20 (girder side) in the same procedure. At this time, the other crosspiece 33 is installed and arranged on the side of the adjacent one of the crosspieces 33. And the floor board 22 is stuck on the floor joist 23 of the floor structure 17, and a floor finish is carried out.
[0020]
(Operation of Example)
The floor impact sound insulation structure of the unit building 10 of the present embodiment is configured such that the impact sound attenuation plate 31 (sound insulation material) can be mounted across the upper surface of the adjacent floor beam 21. That is, the sound insulating plate can be attached simply by placing the crosspieces 33 attached to both edges of the sound insulating plate on the upper surface of the floor beam 21 and driving the nail 34 or the like from above to fix it to the floor beam 21. The installation work of the sound insulation board is only easy from the top surface, which is very easy.
This also improves the productivity of the upper floor building unit 13.
[0021]
【The invention's effect】
In the floor impact sound insulation structure for a building according to claim 1, since the crosspieces attached to both side edges of the sound insulation board are bridged between adjacent floor beams, the beam material is placed on the floor beams. As long as it is fixed with a nail or the like, the sound insulation board can be attached, and the installation work becomes easy .
[0023]
The building floor impact sound insulation structure according to claim 2 is a unit building in which the building is configured by vertically stacking a building unit in which a column, a floor structure, and a ceiling structure are combined in a box shape. Therefore, when the sound insulation plate is previously attached to the building unit at a factory or the like, the work of attaching the sound insulation plate is facilitated, thereby improving the productivity of the building unit. In addition, when installing the sound insulation board at the construction site, the installation work of the sound insulation board becomes easy, thereby shortening the construction period of the unit building.
[Brief description of the drawings]
FIG. 1 is a perspective view of an essential part of a floor structure to which a sound insulating material is attached according to an embodiment of the present invention.
FIG. 2 is a cross-sectional view taken along line AA in FIG.
FIG. 3 is a cross-sectional view taken along line BB in FIG.
FIG. 4 is a schematic diagram of a building unit.
FIG. 5 is a schematic diagram of a unit building.
[Explanation of symbols]
10 unit building 12, 13 building unit 17 floor structure 20 floor girder 21 floor girder 31, 32 impact sound attenuation plate 31 (sound insulating material)
33 Bar material

Claims (2)

In the floor impact sound insulation structure of the building where the sound insulation board is provided on the upper floor structure of the building consisting of multiple floors,
The upper floor structure consists of a large floor beam and a plurality of floor beams spanned between them.
While the crosspieces attached to the edges of both sides of the sound insulation board are bridged between adjacent floor beams,
A portion to be passed said one of the adjacent crosspieces bridged to each other, the floor impact which a portion is passed the other of said seat, characterized Rukoto provided so as to be overlapped in the axial direction perpendicular to the direction of the floor joists Sound blocking structure. 2. The floor impact sound insulation of a building according to claim 1, wherein the building is a unit building configured by vertically stacking a building unit in which a column, a floor structure, and a ceiling structure are combined in a box shape. Construction.

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