WO2006030599A1 - 床-天井構造 - Google Patents
床-天井構造 Download PDFInfo
- Publication number
- WO2006030599A1 WO2006030599A1 PCT/JP2005/015005 JP2005015005W WO2006030599A1 WO 2006030599 A1 WO2006030599 A1 WO 2006030599A1 JP 2005015005 W JP2005015005 W JP 2005015005W WO 2006030599 A1 WO2006030599 A1 WO 2006030599A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- floor
- ceiling structure
- ceiling
- beam members
- panel
- Prior art date
Links
- 239000000463 material Substances 0.000 claims description 22
- 238000005452 bending Methods 0.000 abstract description 11
- 238000010586 diagram Methods 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000001902 propagating effect Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000011835 investigation Methods 0.000 description 2
- 230000009191 jumping Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000011120 plywood Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/43—Floor structures of extraordinary design; Features relating to the elastic stability; Floor structures specially designed for resting on columns only, e.g. mushroom floors
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
- E04B9/001—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation characterised by provisions for heat or sound insulation
Definitions
- the present invention relates to a floor and ceiling structure of a building structure such as a house.
- the floor impact sound includes heavy floor impact sound caused by falling heavy objects such as children's jumping and light floor impact sound caused by falling light objects such as spoons.
- the former is mainly composed of sounds in the low frequency range such as the 63 Hz band (1Z1 octave band), and the latter is mainly composed of sounds in the medium to high frequency range such as 250 to 500 Hz band (1Z1 octave band).
- the band component determines the floor impact sound insulation performance grade specified in the L grade CFIS standard).
- the floor impact sound is (a) the upper floor vibrates due to the impact force applied to the upper floor, (b) the floor vibration propagates to the ceiling and walls of the lower floor, and (c) the vibration of the ceiling and walls. Force Occurs by a mechanism in which sound is emitted into the lower floor room.
- the vibration propagation path in (b) can be broadly divided into solid propagation and air propagation. Lightweight floor impact noise can be easily reduced because floor vibration (a) can be easily reduced by devising floor finishing materials.
- heavy floor impact sound is a major technical issue because it requires heavy measures such as changing the structure of the floor, ceiling, and walls.
- an object of the present invention is to reduce heavy floor impact sound by reducing air propagation components.
- the present inventors have developed a floor structure composed of a C-shaped steel beam (end joist, side joist), a small beam (floor joist) and a structural plywood floor.
- the heavy floor impact sound was measured according to the JIS standard in the houses.
- Fig. 8 it was confirmed that the impact sound level power rating in the low frequency region (63Hz octave band in Fig. 8) was determined.
- the vibration deformation of the upper floor structure and the lower floor ceiling structure was investigated in detail through experiments.
- the deformation of the floor structure and the ceiling structure when the impact force is applied is, for example, as shown in FIGS. 9 (a) and 9 (b).
- the weak axis direction is a direction with a small bending rigidity among two orthogonal directions parallel to each side of the rectangular floor structure. That is, a higher-order resonance mode is generated at a lower frequency.
- the strength of air pressure between the floor board and the ceiling board is also distributed mainly along the weak axis direction of the floor structure.
- the ceiling structure receives the force of air pressure with a strong and weak distribution in the weak axis direction, and bends and deforms in the weak axis direction, similar to the floor structure. From the results of the investigation, the inventors have found that heavy floor impact sound can be reduced if the ceiling structure is made difficult to bend and deform in the weak axis direction of the floor structure.
- the floor-to-ceiling structure of the present invention has a floor structure having a plurality of first beam members arranged in parallel with each other and a first plate member arranged above the first beam member.
- a plurality of second beam members arranged substantially parallel to each other, and a second beam member arranged below the second beam member.
- the alignment direction of the first beam members that is, the bending rigidity force of the floor structure, and the vertical direction
- the alignment direction of the second beam members that is, the direction in which the bending rigidity of the ceiling structure is small. Therefore, the vibration of the second plate is difficult to be excited by the vibration of the air between the first plate and the second plate. Therefore, heavy floor impact sound can be reduced. Also, since the heavy floor impact sound can be reduced simply by changing the arrangement direction of the originally required members, the material and construction cost do not increase.
- the floor-to-ceiling structure of the present invention has a substantially rectangular shape in a plan view, and includes a plurality of panel structure members arranged side by side in a short direction, and a first structure disposed above the panel structure material.
- a floor structure having a plate material, a ceiling structure having a plurality of second beam members arranged in parallel to each other, and a second plate material arranged below the second beam material It is a one-ceiling structure, characterized in that the lateral direction of the panel structural material is different from the arrangement direction of the second beam material.
- the short direction of the panel structure material that is, the direction in which the flexural rigidity of the floor structure is small
- the direction in which the second beam members are arranged that is, the bending rigidity force of the ceiling structure and the vertical direction are aligned. Therefore, the vibration of the second plate is not easily excited by the vibration of the air between the first plate and the second plate. Therefore, heavy floor impact sound can be reduced. In addition, the weight floor impact sound can be reduced simply by changing the arrangement direction of the originally required members, so the material and construction costs will not increase.
- the arrangement direction of the first beam members or the short direction of the panel structure material may be substantially orthogonal to the arrangement direction of the second beam members.
- the arrangement direction of the first beam members or the short direction of the panel structure member may substantially coincide with the longitudinal direction of the second beam member.
- an anti-vibration mechanism may be provided between the floor structure and the ceiling structure.
- FIG. 1 is an external perspective view of a detached house having a floor-to-ceiling structure according to an embodiment of the present invention.
- FIG. 2 is a top view of the floor structure of FIG.
- FIG. 3 is a top view of the ceiling structure of FIG.
- FIG. 4 is a diagram showing the arrangement direction of the floor structure and the ceiling structure.
- FIG. 5 is a diagram showing a laminated state of a floor structure and a ceiling structure.
- FIG. 6 is a view showing a laminated state of other floor structures and ceiling structures.
- FIG. 7 is a view showing a laminated state of other floor structures and ceiling structures.
- FIG. 8 is a diagram showing measurement results of heavy floor impact sound.
- FIG. 9 is a diagram showing a deformed state of the floor structure and the ceiling structure when an impact force is applied.
- FIG. 1 is an external perspective view of a detached house having a floor-to-ceiling structure according to an embodiment of the present invention.
- FIG. 2 is a top view of the floor structure
- FIG. 3 is a top view of the ceiling structure.
- Fig. 4 is a diagram showing the layout direction of the floor structure and ceiling structure.
- FIG. 5 is a diagram showing a laminated state of the floor structure and the ceiling structure.
- Detached house 1 has a two-story structure, with room 2 on the lower floor (hereinafter referred to as "lower floor 2") and room 3 on the upper floor (hereinafter referred to as "upper floor 3"). And have.
- the lower floor 2 and the upper floor 3 are provided with a floor structure 10 over the entire surface thereof, and a ceiling structure 20 over the entire surface thereof is provided at the upper edge thereof. Therefore, a floor-to-ceiling structure 50 in which the floor structure 10 of the upper floor 3 and the ceiling structure 20 of the lower floor 2 are laminated is provided between the lower floor 2 and the upper floor 3.
- the floor structure 10 connects a frame body 12 in which a large beam 11 made of a metal material is incorporated into a rectangular shape, and a large beam 11 constituting the frame body 12 between opposing large beams.
- a large beam 11 made of a metal material is incorporated into a rectangular shape
- a large beam 11 constituting the frame body 12 between opposing large beams.
- the flexural rigidity of the floor structure 10 is the longitudinal direction of the beam 13 (in FIG. Is weak in the direction perpendicular to the longitudinal direction of the beam 13 (ie, the vertical direction in FIG. 2).
- the floor board 14 is a rectangular plate-like member having a predetermined thickness, and is, for example, a wood board such as a particle board or a structural plywood.
- the large beam 11 and the small beam 13 are thin-walled steel members of about lmm, and are bent so as to have a substantially C-shaped cross section.
- the cross sections of the large beam 11 and the small beam 13 may be substantially U-shaped or hollow. Further, the large beam 11 and the small beam 13 may be made of wood.
- Both end faces (the upper end face and the lower end face in FIG. 5) of the large beam 11 and the small beam 13 are flat, and one end face (the upper end face in FIG. 5) is joined to the lower surface of the floor plate 14.
- the ceiling structure 20 has five beams 21 arranged in parallel and a ceiling plate 22 joined to the lower surface of the beam 21.
- the bending rigidity of the ceiling structure 20 is stronger in the longitudinal direction of the beam 21 (vertical direction in FIG. 3), the direction perpendicular to the longitudinal direction of the beam 21, that is, the arrangement direction of the beams 21 (lateral direction in FIG. 3). Weakens.
- the ceiling plate 22 is a rectangular plate-like member having a predetermined thickness, and is, for example, a gypsum board.
- the beam 21 is a thin-walled steel member of about lmm, and is bent so as to have a substantially C-shaped cross section.
- the cross section of the beam 21 may be a U-shape or a hollow shape.
- the beam 21 may be a wooden timber. Both end faces (upper end face and lower end face in FIG. 5) of the beam 21 are flat, and one end face (lower end face in FIG. 5) is joined to the upper face of the ceiling plate 22.
- FIG. 5A is a cross-sectional view in the direction along the beam 21 of the ceiling structure 20
- FIG. 5B is a cross-sectional view in the direction along the beam 13 in the floor structure 10.
- the lower beam 11 of the floor structure 10 is arranged on the upper surface of the lower floor wall 25 of the lower floor 2 as shown in FIG. 5 (a).
- a vibration isolator 30 is provided between the girder 11 of the floor structure 10 and the upper surface of the lower floor wall 25 of the lower floor 2.
- the vibration isolator 30 is made of, for example, a metal-made resin spring, a resin such as rubber or urethane formed into a plate shape, a block shape, or the like.
- the beam 21 of the ceiling structure 20 is held by a receiving member 26 provided on the inner surface of the lower floor wall 25 of the lower floor 2.
- the floor structure 10 and the ceiling structure 20 are laminated so that the beam 13 of the floor structure 10 and the beam 21 of the ceiling structure 20 are orthogonal to each other.
- the girder of the floor structure 10 11 only the beam 13 and the beam 21 of the ceiling structure 20 are shown. Accordingly, the direction in which the bending rigidity of the floor structure 10 is small (weak axis direction) and the direction in which the bending rigidity of the ceiling structure 20 is small (weak axis direction) are orthogonal to each other. That is, the direction in which the flexural rigidity of the floor structure 10 is small and the flexural rigidity of the ceiling structure 20 are large, and the direction coincides.
- the arrangement direction of the beam 13 in the floor structure 10 and the arrangement direction of the beam 21 in which the ceiling plate 22 of the ceiling structure 20 are joined are orthogonal to each other.
- the vibration of the ceiling panel 22 is not easily excited by the vibration of the air between the floor panel 14 and the ceiling panel 22.
- the mass floor impact sound can be reduced.
- the floor-ceiling structure 50 it is possible to reduce the heavy floor impact sound simply by changing the arrangement direction of the originally required members, so that the material and construction costs do not increase!
- the anti-vibration material 30 may not be provided between the large beam 11 of the floor structure 10 and the upper surface of the lower floor wall 25 of the lower floor 2.
- the effect of the present invention can be obtained if the floor-to-ceiling structure has a dominant floor vibration and a dominant air propagation component.
- the large beam 11 having the same height as the small beam 13 of the floor structure 10 is disposed on the upper surface of the lower floor wall 25 of the lower floor 2 via the vibration isolator 30.
- the small beam 113 joined to the floor plate 114 of the floor structure 110 is supported at a position higher than the large beam 111, and the large beam 111 is attached to the lower floor wall 25 of the lower floor 2. It is placed on the top surface with anti-vibration material 130.
- the floor structure 210 has a substantially rectangular shape in a plan view, and is composed of a plurality of panel structure members 213 arranged side by side in the short direction.
- the lower surface of the floor plate 214 may be bonded to the upper surface of the panel structure material 213.
- the panel structure material 213 is, for example, a concrete panel.
- the short direction of the panel is generally the weak axis direction of the floor structure 210. Even when the panel structural material 213 is used in this way, as shown in FIG.
- the short direction of the panel member 213 of the structure 210 and the arrangement direction of the beams 21 of the ceiling structure 20, that is, the weak axis direction of the floor structure 210 and the weak axis direction of the ceiling structure 20 are orthogonal to each other, Similar to the embodiment, the heavy floor impact sound that the vibration of the ceiling plate 22 is difficult to be excited by the vibration of the air between the floor plate 214 and the ceiling plate 22 can be reduced.
- the vibration isolator 30 as one member is provided between the floor structure 10 and the ceiling structure 20, but the vibration isolating mechanism composed of a plurality of members is provided. It is provided between the floor structure and the ceiling structure.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Acoustics & Sound (AREA)
- Environmental & Geological Engineering (AREA)
- Building Environments (AREA)
- Floor Finish (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2005800292901A CN101010469B (zh) | 2004-09-17 | 2005-08-17 | 地板-天花板结构 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-271179 | 2004-09-17 | ||
JP2004271179A JP4145281B2 (ja) | 2004-09-17 | 2004-09-17 | 床−天井構造 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006030599A1 true WO2006030599A1 (ja) | 2006-03-23 |
Family
ID=36059857
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/015005 WO2006030599A1 (ja) | 2004-09-17 | 2005-08-17 | 床-天井構造 |
Country Status (5)
Country | Link |
---|---|
JP (1) | JP4145281B2 (ja) |
KR (1) | KR100896099B1 (ja) |
CN (1) | CN101010469B (ja) |
TW (1) | TWI277686B (ja) |
WO (1) | WO2006030599A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017025690A (ja) * | 2015-07-27 | 2017-02-02 | 三井ホーム株式会社 | 上階床構造及び上階床構造の施工方法 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2017421182A1 (en) * | 2017-06-30 | 2020-01-30 | Usg Boral Sdn. Bhd. (Singapore Branch) | A panel system |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH084201A (ja) * | 1994-06-20 | 1996-01-09 | Kajima Corp | 外ケーブルコンクリート構造物 |
JP2002047755A (ja) * | 2000-08-03 | 2002-02-15 | Asahi Kasei Corp | 建築物の床構造 |
JP2002070228A (ja) * | 2000-08-31 | 2002-03-08 | Sumitomo Forestry Co Ltd | 制振床構造 |
JP2004218413A (ja) * | 2002-11-19 | 2004-08-05 | Tokai Rubber Ind Ltd | 床構造 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5985807U (ja) * | 1982-11-30 | 1984-06-09 | 松下電工株式会社 | 二重壁ガラスパネル |
JPS61242244A (ja) * | 1985-04-16 | 1986-10-28 | カネボウハウジング株式会社 | 建屋の天井構造 |
JPH0293416U (ja) * | 1989-01-09 | 1990-07-25 | ||
JP3078926B2 (ja) * | 1992-06-03 | 2000-08-21 | ミサワホーム株式会社 | 天井野縁 |
JPH0842021A (ja) * | 1994-08-02 | 1996-02-13 | Sekisui Chem Co Ltd | 防振野縁及び防振天井構造 |
JP3895101B2 (ja) * | 2000-09-28 | 2007-03-22 | 大和ハウス工業株式会社 | 衝撃音を低減する床構造 |
-
2004
- 2004-09-17 JP JP2004271179A patent/JP4145281B2/ja not_active Expired - Fee Related
-
2005
- 2005-08-17 KR KR1020077008559A patent/KR100896099B1/ko not_active IP Right Cessation
- 2005-08-17 WO PCT/JP2005/015005 patent/WO2006030599A1/ja active Application Filing
- 2005-08-17 CN CN2005800292901A patent/CN101010469B/zh not_active Expired - Fee Related
- 2005-09-13 TW TW094131527A patent/TWI277686B/zh active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH084201A (ja) * | 1994-06-20 | 1996-01-09 | Kajima Corp | 外ケーブルコンクリート構造物 |
JP2002047755A (ja) * | 2000-08-03 | 2002-02-15 | Asahi Kasei Corp | 建築物の床構造 |
JP2002070228A (ja) * | 2000-08-31 | 2002-03-08 | Sumitomo Forestry Co Ltd | 制振床構造 |
JP2004218413A (ja) * | 2002-11-19 | 2004-08-05 | Tokai Rubber Ind Ltd | 床構造 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017025690A (ja) * | 2015-07-27 | 2017-02-02 | 三井ホーム株式会社 | 上階床構造及び上階床構造の施工方法 |
Also Published As
Publication number | Publication date |
---|---|
TW200613621A (en) | 2006-05-01 |
JP2006083644A (ja) | 2006-03-30 |
TWI277686B (en) | 2007-04-01 |
JP4145281B2 (ja) | 2008-09-03 |
KR100896099B1 (ko) | 2009-05-06 |
CN101010469B (zh) | 2010-05-12 |
CN101010469A (zh) | 2007-08-01 |
KR20070055597A (ko) | 2007-05-30 |
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