JP5791138B1 - Soundproof structure of apartment house - Google Patents
Soundproof structure of apartment house Download PDFInfo
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- JP5791138B1 JP5791138B1 JP2015083920A JP2015083920A JP5791138B1 JP 5791138 B1 JP5791138 B1 JP 5791138B1 JP 2015083920 A JP2015083920 A JP 2015083920A JP 2015083920 A JP2015083920 A JP 2015083920A JP 5791138 B1 JP5791138 B1 JP 5791138B1
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- 239000000725 suspension Substances 0.000 claims description 3
- 229910001369 Brass Inorganic materials 0.000 abstract description 7
- 239000010951 brass Substances 0.000 abstract description 7
- 229910000831 Steel Inorganic materials 0.000 description 10
- 238000009413 insulation Methods 0.000 description 10
- 239000010959 steel Substances 0.000 description 10
- 239000011491 glass wool Substances 0.000 description 9
- 229910052602 gypsum Inorganic materials 0.000 description 7
- 239000010440 gypsum Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 238000002955 isolation Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- 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
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- 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
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H1/00—Buildings or groups of buildings for dwelling or office purposes; General layout, e.g. modular co-ordination or staggered storeys
- E04H1/02—Dwelling houses; Buildings for temporary habitation, e.g. summer houses
- E04H1/04—Apartment houses arranged in two or more levels
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Acoustics & Sound (AREA)
- Electromagnetism (AREA)
- Building Environments (AREA)
Abstract
【課題】ドラムや金管楽器などの大音量や振動を伴う楽器の演奏を可能とする集合住宅の防音構造を提供する。【解決手段】集合住宅の防音構造Sは、それぞれコンクリート躯体である、第1の床11と、第1の壁12と、第1の天井13と、から構成される第1の構造10と;第1の構造10内に構築される第2の構造20であって、第1の床11上に構築される防振構造の第2の床21と、第1の壁12内に構築される防振構造の第2の壁22と、第1の天井13下に構築される防振構造の第2の天井23と、から構成される第2の構造20と;第2の構造20内に構築される第3の構造30であって、第2の床21上に構築される防振構造の第3の床31と、第2の壁22内に第2の壁22から完全に切り離して構築される第3の壁32と、第2の天井23下に第2の天井23から完全に切り離して構築される第3の天井33と、から構成される第3の構造30と;を備えている。【選択図】図1To provide a soundproof structure for an apartment house capable of playing a musical instrument with high volume and vibration such as a drum or a brass instrument. SOLUTION: The soundproof structure S of an apartment house is a first structure 10 composed of a first floor 11, a first wall 12, and a first ceiling 13, each of which is a concrete frame; A second structure 20 constructed in the first structure 10, which is constructed in the first wall 12 and a second floor 21 of a vibration-proof structure constructed on the first floor 11. A second structure 20 composed of a second wall 22 having a vibration-proof structure and a second ceiling 23 having a vibration-proof structure constructed under the first ceiling 13; A third structure 30 to be constructed, which is a third floor 31 having a vibration-proof structure constructed on the second floor 21 and completely separated from the second wall 22 in the second wall 22. The third wall 32 is constructed, and the third ceiling 33 is constructed under the second ceiling 23 and completely separated from the second ceiling 23. 3 structure 30; and a. [Selection] Figure 1
Description
本発明は、ドラムや金管楽器などの大音量や振動を伴う楽器の演奏を可能とする集合住宅の防音構造に関するものである。 The present invention relates to a soundproof structure for an apartment house that enables performance of musical instruments with high volume and vibration such as drums and brass instruments.
従来から、集合住宅において楽器演奏を可能とした二重構造の防音マンションが存在している。二重構造の防音マンションの防音性能は遮音等級Dr−60〜Dr−70程度であり、ピアノやギター、木管楽器の演奏(100dB以下の演奏音)は可能であった。 Conventionally, there are soundproof apartments with a double structure that allow musical instruments to be played in apartment houses. The soundproofing performance of the soundproofing apartment with a double structure is about sound insulation grade Dr-60 to Dr-70, and the performance of piano, guitar and woodwind instruments (performance sound of 100 dB or less) was possible.
例えば、特許文献1に記載された防音室構造は、床スラブの上面に防音機能を有する筒状の外側壁を構築し、外側壁の内側に位置するように、床スラブの上面にクッション材を介して遮音ボックスを構築し、外側壁と遮音ボックスとの間に吸振手段を介在させている。この構成によって、遮音ボックスのレイアウトの自由度が向上するようになる。 For example, in the soundproof room structure described in Patent Document 1, a cylindrical outer wall having a soundproof function is constructed on the upper surface of the floor slab, and a cushioning material is provided on the upper surface of the floor slab so as to be positioned inside the outer wall. A sound insulation box is constructed, and a vibration absorbing means is interposed between the outer wall and the sound insulation box. With this configuration, the freedom of layout of the sound insulation box is improved.
しかしながら、集合住宅においてドラムや金管楽器(トランペットなど)、バンド演奏などの大音量(100〜130dB程度)や振動を伴う楽器の演奏を行うことはできなかった。仮にドラムなどの演奏を許可すると、階を飛び越えて騒音や振動が他の部屋まで伝わり、他の入居者に騒音をまき散らす結果となるため、演奏者に退去や楽器の演奏の禁止を求める措置がとられることもあった。 However, in a housing complex, it was not possible to perform drums, brass instruments (such as trumpet), and musical instruments with high volume (about 100 to 130 dB) and vibration such as band performance. If you allow drums and other performances, noise and vibrations will jump over the floor and reach other rooms, spreading the noise to other residents. Sometimes it was taken.
そこで、本発明は、ドラムや金管楽器などの大音量や振動を伴う楽器の演奏やバンドなどの複数楽器の同時演奏を可能とする集合住宅の防音構造を提供することを目的としている。 SUMMARY OF THE INVENTION An object of the present invention is to provide a soundproof structure for an apartment house that enables the performance of a musical instrument with a high volume and vibration such as a drum or a brass instrument or the simultaneous performance of a plurality of musical instruments such as a band.
前記目的を達成するために、本発明の集合住宅の防音構造は、集合住宅の防音構造であって;それぞれコンクリート躯体である、第1の床と、第1の壁と、第1の天井と、から構成される第1の構造と;前記第1の構造内に構築される第2の構造であって、前記第1の床上に構築される防振構造の第2の床と、前記第1の壁内に構築される防振構造の第2の壁と、前記第1の天井下に構築される防振構造の第2の天井と、から構成される第2の構造と;前記第2の構造内に構築される第3の構造であって、前記第2の床上に構築される防振構造の第3の床と、前記第2の壁内に前記第2の壁から完全に切り離して構築される第3の壁と、前記第2の天井下に前記第2の天井から完全に切り離して構築される第3の天井と、から構成される第3の構造と;を備える。 In order to achieve the above object, the soundproof structure of an apartment house of the present invention is a soundproof structure of an apartment house; a first floor, a first wall, and a first ceiling, each of which is a concrete frame. A second structure constructed in the first structure, wherein the second floor has a vibration-proof structure constructed on the first floor, and the second structure constructed in the first structure. A second structure comprising: a second wall of a vibration isolation structure constructed in one wall; and a second ceiling of the vibration isolation structure constructed under the first ceiling; A third floor constructed in a second structure, wherein the third floor of the anti-vibration structure is constructed on the second floor, and completely from the second wall into the second wall A third wall constituted by a third wall constructed separately and a third ceiling constructed completely separated from the second ceiling under the second ceiling. It comprises; structure and.
このように、本発明の集合住宅の防音構造は、第1の構造と;第2の構造と;第3の構造と;を備える。第3の構造は、第2の床上に構築される防振構造の第3の床と、第2の壁内に第2の壁から完全に切り離して構築される第3の壁と、第2の天井下に第2の天井から完全に切り離して構築される第3の天井と、から構成される。このような構成によれば、ドラムや金管楽器などの大音量や振動を伴う楽器の演奏を可能とする集合住宅の防音構造となる。 Thus, the soundproof structure for an apartment house of the present invention comprises the first structure; the second structure; and the third structure. The third structure includes a third floor having an anti-vibration structure constructed on the second floor, a third wall constructed completely separated from the second wall in the second wall, And a third ceiling constructed completely separated from the second ceiling under the ceiling. According to such a configuration, a soundproof structure for an apartment house that enables the performance of instruments such as drums and brass instruments with high volume and vibration is provided.
以下、本発明の実施例について図面を参照して説明する。なお、以下の実施例においては、集合住宅としていわゆるマンションに本発明を適用した場合について説明するが、これらは例示であって、以下の内容に限定して適用することを意図するものではない。 Embodiments of the present invention will be described below with reference to the drawings. In addition, although the following examples demonstrate the case where this invention is applied to what is called a condominium as an apartment house, these are illustrations, Comprising: It does not intend restricting and applying to the following content.
(全体構成)
はじめに、本実施例の集合住宅の防音構造Sの全体構成について説明する。集合住宅の防音構造Sは、図1に示すように、第1の構造10と、第1の構造10内に構築される第2の構造20と、第2の構造20内に構築される第3の構造30と、によって三重構造とされている。
(overall structure)
First, the overall configuration of the soundproof structure S for an apartment house of this embodiment will be described. As shown in FIG. 1, the soundproof structure S of an apartment house includes a first structure 10, a second structure 20 built in the first structure 10, and a second structure 20 built in the second structure 20. Thus, a triple structure is formed.
第1の構造10は、それぞれコンクリート躯体である、第1の床11と、第1の壁12と、第1の天井13と、から構成される。第1の床11、第1の壁12、第1の天井13の厚みは180mm程度とされることが好ましい。この他、第1の構造10は、通常のコンクリート躯体構造であるから説明は省略する。なお、例えば、3階の住戸の第1の床11は、2階の住戸の第1の天井13に相当する。 The first structure 10 includes a first floor 11, a first wall 12, and a first ceiling 13, each of which is a concrete frame. The thickness of the first floor 11, the first wall 12, and the first ceiling 13 is preferably about 180 mm. In addition, since the 1st structure 10 is a normal concrete frame structure, description is abbreviate | omitted. For example, the first floor 11 of the third-floor dwelling unit corresponds to the first ceiling 13 of the second-floor dwelling unit.
第2の構造20は、第1の床11上に構築される防振構造の第2の床21と、第1の壁12内に構築される防振構造の第2の壁22と、第1の天井13下に構築される防振構造の第2の天井23と、から構成される。 The second structure 20 includes a second floor 21 having a vibration isolation structure constructed on the first floor 11, a second wall 22 having a vibration isolation structure constructed in the first wall 12, And a second ceiling 23 having an anti-vibration structure constructed under one ceiling 13.
すなわち、第2の床21は、第1の床11上に吸音部材21aを敷設したうえで、吸音部材21a上に防水シート21bを介して打設される浮床コンクリートとなっている。吸音部材21aとしては、グラスウールをボード状に加工したグラスウールボードを使用することができる。グラスウールボードは複数枚敷設することもできる。第2の床21の厚みは100mm程度とされることが好ましい。 That is, the second floor 21 is floating floor concrete that is laid on the sound absorbing member 21a via the waterproof sheet 21b after the sound absorbing member 21a is laid on the first floor 11. As the sound absorbing member 21a, a glass wool board obtained by processing glass wool into a board shape can be used. Multiple glass wool boards can be laid. The thickness of the second floor 21 is preferably about 100 mm.
また、第2の壁22は、背面にグラスウールなどの吸音部材22bを貼設された石膏ボード22aから構成され、第2の床21上に立設される。そして、第2の天井23は、背面にグラスウールなどの吸音部材23bを貼設された石膏ボード23aから構成され、第1の天井13から防振吊具(不図示)を介して吊られる。石膏ボード22a、23aは、それぞれ1枚でのコインシデンス効果の影響を低減させるため、厚みの異なる複数枚を貼り合わせて構成することが好ましい。なお、石膏ボード22a、23aは、それぞれ建築用鋼製下地材(軽量鉄骨壁下地、軽量鉄骨天井下地)を介して立設され・吊られる。 The second wall 22 is composed of a gypsum board 22 a having a sound absorbing member 22 b such as glass wool pasted on the back surface, and is erected on the second floor 21. And the 2nd ceiling 23 is comprised from the gypsum board 23a by which the sound-absorbing member 23b, such as glass wool, was affixed on the back surface, and is suspended from the 1st ceiling 13 via a vibration isolator (not shown). The gypsum boards 22a and 23a are preferably configured by bonding a plurality of sheets having different thicknesses in order to reduce the influence of the coincidence effect of one sheet. The gypsum boards 22a and 23a are erected and hung through construction steel base materials (light steel frame wall base and light steel ceiling base), respectively.
第3の構造30は、第2の床21上に構築される防振構造の第3の床31と、第2の壁22内に第2の壁22から完全に切り離して構築される第3の壁32と、第2の天井23下に第2の天井23から完全に切り離して構築される第3の天井33と、から構成される。 The third structure 30 includes a third floor 31 having an anti-vibration structure constructed on the second floor 21, and a third structure constructed completely separated from the second wall 22 in the second wall 22. Wall 32 and a third ceiling 33 constructed completely separated from the second ceiling 23 under the second ceiling 23.
すなわち、第3の床31は、第2の床21上に吸音部材31aを敷設したうえで、吸音部材31a上に防水シート31bを介して打設される浮床コンクリートとなっている。吸音部材31aとしては、グラスウールをボード状に加工したグラスウールボードを使用することができる。グラスウールボードは複数枚敷設することもできる。第3の床31の厚みは100mm程度とされることが好ましい。 That is, the third floor 31 is floating floor concrete that is laid on the sound absorbing member 31a via the waterproof sheet 31b after the sound absorbing member 31a is laid on the second floor 21. As the sound absorbing member 31a, a glass wool board obtained by processing glass wool into a board shape can be used. Multiple glass wool boards can be laid. The thickness of the third floor 31 is preferably about 100 mm.
そして、本実施例の第3の壁32及び第3の天井33は、背面にグラスウールなどの吸音部材32b、33bを貼設された石膏ボード32a、33aから構成され、浮床コンクリートである第3の床31上に設置されるフレーム構造体40に取り付けられている。すなわち、本実施例の第3の構造30の第3の壁32及び第3の天井33は、第2の構造20と接触することなく完全に切り離されている。石膏ボード32a、33aは、それぞれ1枚でのコインシデンス効果の影響を低減させるため、厚みの異なる複数枚を貼り合わせて構成することが好ましい。なお、石膏ボード32a、33aは、それぞれ建築用鋼製下地材(軽量鉄骨壁下地、軽量鉄骨天井下地)を介してフレーム構造体40に取り付けられる。 And the 3rd wall 32 and the 3rd ceiling 33 of a present Example are comprised from the gypsum board 32a, 33a which affixed sound-absorbing members 32b, 33b, such as glass wool, in the back, and are 3rd which is floating floor concrete. A frame structure 40 installed on the floor 31 is attached. That is, the third wall 32 and the third ceiling 33 of the third structure 30 of the present embodiment are completely separated without contacting the second structure 20. The gypsum boards 32a and 33a are preferably configured by bonding a plurality of sheets having different thicknesses in order to reduce the influence of the coincidence effect by one sheet. The gypsum boards 32a and 33a are attached to the frame structure 40 via construction steel base materials (light steel wall base and light steel ceiling base), respectively.
(フレームの構成)
次に、フレーム構造体40の構成について説明する。フレーム構造体40は、図2に示すように、主に、角型断面の軽量鉄骨によって形成されて床を構成する床部材41、・・・と、床部材41に立設される柱部材42、・・・と、柱部材42、・・・の上端を結ぶ天井部材43、・・・と、によって構成されている。ドア及びサッシが配置される開口部の箇所には、開口部を囲むように床部材41及び柱部材42が配置されている。さらに、コーナー部分の各部材の接合部には、補強プレート44、・・・が取り付けられており、フレーム構造体40全体の剛性が高められている。各部材41、42、43の断面寸法は、例えば、鋼製の角パイプ50×50×3.2を用いることができるが、スパンが長い場合には、75×75×3.2を用いることが好ましい。補強プレート44は、3.2mmの鋼板を用いることができる。フレーム構造体40は、各部材を所用の寸法に切断した状態で現場に運搬し、現場において溶接又はボルト等によって組立(構築)される。
(Frame structure)
Next, the configuration of the frame structure 40 will be described. As shown in FIG. 2, the frame structure 40 is mainly formed of a lightweight steel frame having a square cross section to form a floor member 41,... Constituting a floor, and a column member 42 erected on the floor member 41. ,..., And ceiling members 43 that connect the upper ends of the column members 42,. A floor member 41 and a column member 42 are disposed at a position of the opening where the door and the sash are disposed so as to surround the opening. Furthermore, the reinforcement plate 44, ... is attached to the joint part of each member of a corner part, and the rigidity of the whole frame structure 40 is improved. For example, a steel square pipe 50 × 50 × 3.2 can be used as the cross-sectional dimension of each member 41, 42, 43. However, when the span is long, 75 × 75 × 3.2 is used. Is preferred. The reinforcing plate 44 may be a 3.2 mm steel plate. The frame structure 40 is transported to the site in a state where each member is cut to a desired size, and assembled (constructed) by welding or bolts or the like at the site.
(窓の構成)
次に、三重窓構造50の構成について説明する。本実施例の三重窓構造50は、図3に示すように、二重構造の窓51と、気密構造の窓53と、二重構造の窓51と気密構造の窓53の間に構築される中空層52と、を備えている。二重構造の窓51は、剛性の大きいコンクリート躯体からなる第1の構造10の第1の壁12に設けた開口部に配置される二重構造の窓であり、外窓51aと内窓51bとを有している。気密構造の窓53は、剛性の大きいフレーム構造体40からなる第3の構造30の第3の壁32に設けた開口部に配置される気密構造の防音窓であり、二重構造の窓51とは完全に切り離して構築される。そして、中空層52は、二重構造の窓51の内窓51bの内面と気密構造の窓53の外面との間に形成される。換言すると、中空層52は、第2の構造20に対応した厚み部分に配置される。
(Configuration of windows)
Next, the configuration of the triple window structure 50 will be described. As shown in FIG. 3, the triple window structure 50 of the present embodiment is constructed between a double-structured window 51, an airtight structure window 53, and a double structure window 51 and an airtight structure window 53. And a hollow layer 52. The double-structured window 51 is a double-structured window disposed in an opening provided in the first wall 12 of the first structure 10 made of a rigid concrete frame, and has an outer window 51a and an inner window 51b. And have. The airtight structure window 53 is a soundproof window having an airtight structure disposed in an opening provided in the third wall 32 of the third structure 30 formed of the rigid frame structure 40, and has a double structure window 51. And is built completely separate from The hollow layer 52 is formed between the inner surface of the inner window 51b of the double-structured window 51 and the outer surface of the window 53 having an airtight structure. In other words, the hollow layer 52 is disposed in a thickness portion corresponding to the second structure 20.
(効果)
次に、本実施例の集合住宅の防音構造1の奏する効果を列挙して説明する。
(effect)
Next, the effect which the soundproof structure 1 of the apartment house of a present Example show | plays is enumerated and demonstrated.
(1)上述してきたように、本実施例の集合住宅の防音構造1は、集合住宅の防音構造Sであって;それぞれコンクリート躯体である、第1の床11と、第1の壁12と、第1の天井13と、から構成される第1の構造10と;第1の構造10内に構築される第2の構造20であって、第1の床11上に構築される防振構造の第2の床21と、第1の壁12内に構築される防振構造の第2の壁22と、第1の天井13下に構築される防振構造の第2の天井23と、から構成される第2の構造20と;第2の構造20内に構築される第3の構造30であって、第2の床21上に構築される防振構造の第3の床31と、第2の壁22内に第2の壁22から完全に切り離して構築される第3の壁32と、第2の天井23下に第2の天井23から完全に切り離して構築される第3の天井33と、から構成される第3の構造30と;を備える。このような構成によれば、ドラムや金管楽器などの大音量や振動を伴う楽器の演奏を可能とする集合住宅の防音構造Sとなる。 (1) As described above, the soundproof structure 1 of the apartment house of the present embodiment is the soundproof structure S of the apartment house; the first floor 11 and the first wall 12 each of which is a concrete frame. A first structure 10 composed of a first ceiling 13; a second structure 20 constructed in the first structure 10 and constructed on the first floor 11; A second floor 21 having a structure, a second wall 22 having a vibration-proof structure built in the first wall 12, and a second ceiling 23 having a vibration-proof structure built under the first ceiling 13. A third structure 30 constructed in the second structure 20, and a third floor 31 having an anti-vibration structure constructed on the second floor 21. A third wall 32 constructed completely separated from the second wall 22 in the second wall 22, and completely from the second ceiling 23 under the second ceiling 23. A third ceiling 33 constructed separately, and the third structure 30 consists of; comprises. According to such a configuration, the soundproof structure S of an apartment house that enables performance of musical instruments with high volume and vibration such as drums and brass instruments is provided.
具体的にいうと、従来の構造では遮音等級Dr−70を越える遮音性能の確保が困難であり、隣室のドラムや金管楽器の演奏音をほとんど聞こえないレベルまで減衰することはできなかった。コンクリート躯体を厚くすれば、理論上は遮音性能を確保することはできるものの、その場合には壁厚が1800mm必要となり、現実的ではなかった。これに対して、本実施例の集合住宅の防音構造1によれば、集合住宅の隣戸間界壁・隣戸間界床における空間音圧レベル差で遮音等級Dr−90程度の設計性能を得ることができる。 Specifically, in the conventional structure, it is difficult to ensure sound insulation performance exceeding the sound insulation grade Dr-70, and the performance sound of the drums and brass instruments in the adjacent room could not be attenuated to a level where it can hardly be heard. If the concrete frame is thickened, the sound insulation performance can be secured theoretically, but in that case, the wall thickness is required to be 1800 mm, which is not practical. On the other hand, according to the soundproof structure 1 of the apartment house of the present embodiment, the design performance of the sound insulation grade Dr-90 is obtained by the difference in the spatial sound pressure level at the boundary wall between the adjacent doors and the boundary floor between the adjacent doors of the apartment house. Can do.
さらにいうと、第3の構造を従来型の吊天井方式で実施しようとしても、第2の構造自体が防振吊具を介して躯体コンクリート天井から吊っている。そのため、第3の構造を第2の構造に吊ることとなり、構築精度が低くなるため、結果として気密性が確保できずに高い遮音性が確保できなくなっていたのである。 Furthermore, even if it is going to implement the 3rd structure by the conventional suspension ceiling system, the 2nd structure itself is suspended from the frame concrete ceiling via the vibration proof suspension. For this reason, the third structure is suspended from the second structure, and the construction accuracy is lowered. As a result, airtightness cannot be ensured and high sound insulation cannot be secured.
(2)第2の床21は第1の床11上に吸音部材21aを介して打設される浮床コンクリートであり、第3の床31は第2の床21上に吸音部材31aを介して打設される浮床コンクリートであることが好ましい。このような構成によれば、簡易な構成によって第2の床21及び第3の床31を防振構造とすることができる。さらに、第3の床31には、フレーム構造体40が載置されるところ、第3の床31がスラブとして形成されていることで、フレーム構造体40を安定して支持できるうえ、全体の剛性を大きくすることができる。 (2) The second floor 21 is floating floor concrete placed on the first floor 11 via a sound absorbing member 21a, and the third floor 31 is placed on the second floor 21 via a sound absorbing member 31a. The float floor concrete is preferably cast. According to such a configuration, the second floor 21 and the third floor 31 can have a vibration-proof structure with a simple configuration. Furthermore, when the frame structure 40 is placed on the third floor 31, the third floor 31 is formed as a slab, so that the frame structure 40 can be stably supported and the entire structure can be supported. The rigidity can be increased.
(3)第3の構造30は、第2の床21上に吸音部材31aを介して打設される浮床コンクリートである第3の床31と、浮床コンクリート上に設置されるフレーム構造体40に取り付けられる第3の壁32及び第3の天井33と、から構成されることが好ましい。このような構成によれば、第3の構造30の第3の壁32及び第3の天井33を、簡単な構成によって第2の構造20から切り離すことができる。そして、従来のように、コンクリート躯体だけで遮音性能を達成するためには1800mm必要であった壁厚を、隣戸間界壁を660mmまで薄くでき、隣戸間界床を760mmまで薄くできる。 (3) The third structure 30 includes a third floor 31 that is a floating floor concrete placed on the second floor 21 via a sound absorbing member 31a, and a frame structure 40 that is installed on the floating floor concrete. The third wall 32 and the third ceiling 33 to be attached are preferably configured. According to such a configuration, the third wall 32 and the third ceiling 33 of the third structure 30 can be separated from the second structure 20 with a simple configuration. As in the prior art, the wall thickness required to achieve sound insulation performance with only the concrete frame can be reduced to 1660 mm, the boundary wall between adjacent doors can be reduced to 660 mm, and the boundary floor between adjacent doors can be reduced to 760 mm.
さらに、第3の構造30は、第2の構造20(及び第1の構造10)の内側に配置されるため、フレーム構造体40の各部材41、42、43の長さを短くすることができる。これによって部材断面を小さくすることができる。したがって、室内空間を広くとることができる。すなわち、第2の構造20は従来型の吊天井などを用いるとともに、第3の構造30にはフレーム構造体40を用いることで合理的な空間設計が可能となる。逆に言うと、第2の構造20までもフレーム構造体を用いようとすると、部材断面が大きくなってしまうため、合理的とはいえないのである。 Furthermore, since the third structure 30 is disposed inside the second structure 20 (and the first structure 10), the length of each member 41, 42, 43 of the frame structure 40 can be shortened. it can. As a result, the member cross section can be reduced. Therefore, a large indoor space can be taken. In other words, the second structure 20 uses a conventional suspended ceiling or the like, and the third structure 30 uses the frame structure 40 to enable rational space design. In other words, if the frame structure is to be used up to the second structure 20, the member cross section becomes large, which is not reasonable.
(4)また、集合住宅の防音構造Sは、第1の構造10に設置される二重構造51の窓と、第3の構造30に設置される気密構造の窓53と、二重構造の窓51と気密構造の窓53の間に構築される中空層52と、から構成される三重窓構造50をさらに備えることが好ましい。このような構成によれば、窓を通じて隣室へ音が漏れることを防止できる。具体的には、二重構造の窓51(T−4)と気密構造の窓53(T−3)で75dB以上の設計性能が得られるため、隣室に回り込む空間音圧レベル差は75+75=150dB以上となる。 (4) In addition, the soundproof structure S of the apartment house includes a double structure 51 window installed in the first structure 10, an airtight structure window 53 installed in the third structure 30, and a double structure. It is preferable to further include a triple window structure 50 including a hollow layer 52 constructed between the window 51 and the window 53 having an airtight structure. According to such a configuration, it is possible to prevent sound from leaking to the adjacent room through the window. Specifically, a design performance of 75 dB or more is obtained by the double-structured window 51 (T-4) and the hermetic-structured window 53 (T-3). Therefore, the difference in the spatial sound pressure level entering the adjacent room is 75 + 75 = 150 dB. That's it.
(5)そして、本実施例の集合住宅は、すべての住戸が、上述したいずれかの集合住宅の防音構造Sを備える。このような構成によれば、各住戸での防音性能が隣室の防音性能との相乗効果によって倍増される。 (5) And in the apartment house of the present embodiment, all the dwelling units are provided with the above-described soundproof structure S of the apartment house. According to such a configuration, the soundproof performance in each dwelling unit is doubled by a synergistic effect with the soundproof performance of the adjacent room.
以上、図面を参照して、本発明の実施例を詳述してきたが、具体的な構成は、この実施例に限らず、本発明の要旨を逸脱しない程度の設計的変更は、本発明に含まれる。 The embodiment of the present invention has been described in detail with reference to the drawings, but the specific configuration is not limited to this embodiment, and design changes that do not depart from the gist of the present invention are not limited to the present invention. included.
例えば、実施例では、フレーム構造体40を構成する各部材に角パイプを用いる場合について説明したが、これに限定されるものではない。各部材には、例えばC形鋼などの他の形鋼を用いることもできる。 For example, in the embodiment, the case where a square pipe is used for each member constituting the frame structure 40 has been described, but the present invention is not limited to this. Other members such as C-shaped steel can be used for each member.
S 集合住宅の防音構造
10 第1の構造
11 第1の床
12 第1の壁
13 第1の天井
20 第2の構造
21 第2の床
22 第2の壁
23 第2の天井
30 第3の構造
31 第3の床
32 第3の壁
33 第3の天井
40 フレーム構造体
41 床部材
42 柱部材
43 天井部材
50 三重窓構造
51 二重構造の窓
52 中空層
53 気密構造の窓
S soundproof structure 10 of apartment house 1st structure 11 1st floor 12 1st wall 13 1st ceiling 20 2nd structure 21 2nd floor 22 2nd wall 23 2nd ceiling 30 3rd Structure 31 Third floor 32 Third wall 33 Third ceiling 40 Frame structure 41 Floor member 42 Column member 43 Ceiling member 50 Triple window structure 51 Double structure window 52 Hollow layer 53 Airtight structure window
Claims (3)
それぞれコンクリート躯体である、第1の床と、第1の壁と、第1の天井と、から構成される第1の構造と;
前記第1の構造内に構築される第2の構造であって、前記第1の床上に構築される防振構造の第2の床と、前記第1の壁内に構築される防振構造の第2の壁と、前記第1の天井下に構築される防振構造の第2の天井と、から構成される第2の構造と;
前記第2の構造内に構築される第3の構造であって、前記第2の床上に構築される防振構造の第3の床と、前記第2の壁内に前記第2の壁から完全に切り離して構築される第3の壁と、前記第2の天井下に前記第2の天井から完全に切り離して構築される第3の天井と、から構成される第3の構造と;を備え、
前記第2の床は、前記第1の床上に吸音部材を介して打設される浮床コンクリートであり、前記第3の床は、前記第2の床上に吸音部材を介して打設される浮床コンクリートであり、
前記第2の天井は前記第1の天井から防振吊具を介して吊られ、
前記第3の構造は、前記第2の床上に吸音部材を介して打設される浮床コンクリートである第3の床と、前記浮床コンクリート上に設置されるフレーム構造体に取り付けられる第3の壁及び第3の天井と、から構成されることを特徴とする、集合住宅の防音構造。 Soundproof structure of apartment house;
A first structure composed of a first floor, a first wall, and a first ceiling, each of which is a concrete frame;
A second structure constructed in the first structure, the second floor of the vibration proof structure constructed on the first floor, and the vibration proof structure constructed in the first wall. A second structure comprising: a second wall of the second wall; and a second ceiling having a vibration-proof structure constructed under the first ceiling;
A third structure built in the second structure, the third floor of the anti-vibration structure built on the second floor, and the second wall in the second wall A third structure constructed from a third wall constructed completely separate and a third ceiling constructed completely separated from the second ceiling under the second ceiling; Prepared,
The second floor is a floating floor concrete placed on the first floor via a sound absorbing member, and the third floor is a floating floor placed on the second floor via a sound absorbing member. Concrete,
The second ceiling is suspended from the first ceiling via an anti-vibration suspension.
The third structure includes a third floor, which is a floating floor concrete placed on the second floor via a sound absorbing member, and a third wall attached to a frame structure installed on the floating floor concrete. And a third ceiling, and a soundproof structure for an apartment house.
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