JP2002339475A - Soundproof floor structure - Google Patents
Soundproof floor structureInfo
- Publication number
- JP2002339475A JP2002339475A JP2001148004A JP2001148004A JP2002339475A JP 2002339475 A JP2002339475 A JP 2002339475A JP 2001148004 A JP2001148004 A JP 2001148004A JP 2001148004 A JP2001148004 A JP 2001148004A JP 2002339475 A JP2002339475 A JP 2002339475A
- Authority
- JP
- Japan
- Prior art keywords
- floor
- sound absorbing
- absorbing material
- sound
- space
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は，例えばマンショ
ン，オフィスビル等各種建築物に好適に用いられる防音
床構造及びこれに使用する筒状吸音材に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sound-insulating floor structure suitably used for various buildings such as condominiums and office buildings, and a tubular sound-absorbing material used for the same.
【０００２】[0002]
【従来の技術及び発明が解決しようとする課題】この種
防音床構造として，例えば床スラブと床下地間の床下空
間に，該床下空間を充填するように，フエルト等の吸音
材を敷設配置し，これによって床に加えられる振動音等
の騒音が床スラブを介して階下に伝達されるのを防止す
るようにしたものが知られている。2. Description of the Related Art As a soundproof floor structure of this kind, for example, a sound absorbing material such as felt is laid and arranged in a space below a floor between a floor slab and a floor basement so as to fill the space below the floor. There has been known a configuration in which noise such as vibration sound applied to the floor is prevented from being transmitted downstairs via a floor slab.
【０００３】この場合ある程度の防音性を確保すること
ができるが，なお騒音の階下への伝達がなされる可能性
が強く，必ずしもその防音性において満足し得るものと
はいえないし，また敷設に使用する吸音材を大量に必要
とするために，床の防音コストが高くなる傾向が強いと
いう難点がある。[0003] In this case, a certain degree of soundproofing can be ensured, but there is a strong possibility that noise will be transmitted downstairs, and it cannot be said that the soundproofing is necessarily satisfactory. There is a disadvantage that the cost of soundproofing the floor tends to be high because a large amount of sound absorbing material is required.
【０００４】本発明は係る事情に鑑みてなされたもの
で，その解決課題とするところは，床の防音性を可及的
高度に確保するとともにその防音コストを可及的安価と
し得るようにした防音床構造及びこれに使用するに好適
な防音材を提供するにある。SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and it is an object of the present invention to secure the sound insulation of a floor as high as possible and to make the sound insulation cost as low as possible. An object of the present invention is to provide a soundproof floor structure and a soundproof material suitable for use in the structure.
【０００５】[0005]
【課題を解決するための手段】上記課題に沿って検討し
たところ，床下空間に，側壁を吸音材とする上下開放の
囲繞空間を配置すると，該囲繞空間によって，例えば共
振によって騒音を吸収する共振室を配置した如くに，床
下地の上記衝撃音等の騒音を極めて良好に吸収し，騒音
が床スラブに伝達するのを防止することによって，高度
な防音性（防振性ということもできる）を発揮し得ると
ともに上記上下開放の囲繞空間の形成をその側壁を吸音
材とすることによって，吸音材の使用量を低減して，床
の防音コストを安価とし得るとの知見を得るに至り，本
発明を行ったもので，即ち請求項１に記載の発明を，床
スラブと床下地間の床下空間に，側壁を吸音材とする上
下開放の囲繞空間を面方向に多数配置してなることを特
徴とする防音床構造としたものである。In consideration of the above problems, it has been found that when an under-floor space is provided with a vertically open surrounding space having a side wall as a sound absorbing material, the surrounding space absorbs noise by, for example, resonance. Highly soundproofing (also referred to as anti-vibration) by absorbing noise such as the impact sound above the floor base very well and preventing the noise from being transmitted to the floor slab as if the rooms were arranged It has been found that by using the sound absorbing material on the side walls of the upper and lower open surrounding spaces, the amount of sound absorbing material used can be reduced and the sound insulation cost of the floor can be reduced. According to the present invention, the invention according to claim 1 is characterized in that a large number of vertically open surrounding spaces having sound absorbing materials on the side walls are arranged in the under-floor space between the floor slab and the floor base in the plane direction. Soundproof floor structure characterized by It is obtained by the.
【０００６】請求項２に記載の発明は，上記に加えて，
筒状に形成した筒状吸音材（リング状吸音材ということ
もできる）を用いて，床パネル設置前に床スラブ上にこ
れを配置することによって，可及的に簡易且つ確実に上
記と同様な防音床構造を得られるようにして，その作業
効率を高度に確保し得るものとするように，これを，床
スラブと床下地間の床下空間に，筒状に形成した筒状吸
音材を介装することによって，側壁を吸音材とした上下
開放の囲繞空間を面方向に多数配置してなることを特徴
とする防音床構造としたものである。[0006] In addition to the above, the invention according to claim 2 provides:
By using a cylindrical sound absorbing material (also called a ring sound absorbing material) formed in a cylindrical shape and arranging it on the floor slab before installing the floor panel, it is as simple and reliable as possible In order to obtain a highly sound-insulating floor structure and to ensure a high level of work efficiency, a cylindrical sound-absorbing material formed in a tubular shape is placed in the space below the floor between the floor slab and the floor basement. The soundproof floor structure is characterized in that a large number of vertically open surrounding spaces having sound absorbing materials on the side walls are arranged in the plane direction by interposing.
【０００７】請求項３に記載の発明は，同じく上記に加
えて，上記筒状吸音材を用いるに際して，これを隣接相
互間で部分接触するように配置することによって，囲繞
空間を，筒状吸音材の間にも形成するようにして，可及
的に吸音性を高度に行い，床の防音性を向上するよう
に，これを，上記筒状吸音材の介装を，該筒状吸音材の
隣接する側壁を相互に部分的に接触するように行い，上
記囲繞空間を，筒状吸音材の内部の空間と筒状吸音材間
外部の空間の双方による配置としてなることを特徴とす
る請求項２に記載の防音床構造としたものである。According to a third aspect of the present invention, in addition to the above, when the cylindrical sound absorbing material is used, it is arranged so as to be in partial contact between adjacent ones, so that the surrounding space is made cylindrical cylindrical sound absorbing material. In order to improve the sound absorption of the floor as much as possible and to improve the sound insulation of the floor, it is necessary to insert the tubular sound absorbing material into the cylindrical sound absorbing material so that the sound absorbing material is formed between the materials. The side walls adjacent to each other are partially brought into contact with each other, and the surrounding space is arranged by both the space inside the tubular sound absorbing material and the space outside the tubular sound absorbing material. Item 2 is a soundproof floor structure according to item 2.
【０００８】請求項４に記載の発明は，同じく上記に加
えて，上記吸音材又は筒状吸音材として高度乃至相応の
性能を確保するとともに可及的に床の防音コストを安価
のものとし得る，好ましい形態のものとするように，こ
れを，上記吸音材又は筒状吸音材を，不織布，ロックウ
ール，ロックウール板，軟質ウレタンフォーム等の多孔
質材料を用いて形成してなることを特徴とする請求項
１，２又は３に記載の防音床構造としたものである。According to a fourth aspect of the present invention, in addition to the above, the sound absorbing material or the cylindrical sound absorbing material can ensure high or appropriate performance and can reduce the sound insulation cost of the floor as much as possible. In a preferred embodiment, the sound absorbing material or the tubular sound absorbing material is formed by using a porous material such as a nonwoven fabric, a rock wool, a rock wool plate, or a soft urethane foam. The soundproof floor structure according to claim 1, 2 or 3.
【０００９】請求項５に記載の発明は，上記防音床構造
に好適に用いて，高度な防音性，安価な防音コスト及び
高度な作業効率を確保し得る吸音材を提供するように，
これを，床スラブと床下地間の床下空間に介装し，吸音
用の囲繞空間を形成するように使用する吸音材であっ
て，多孔質材料によって上下開放の筒状としてなること
を特徴とする防音床構造用の筒状吸音材としたものであ
る。A fifth aspect of the present invention is to provide a sound-absorbing material which can be suitably used for the above-mentioned sound-insulating floor structure and which can ensure high sound-insulating properties, low sound-insulating cost and high working efficiency.
This is a sound absorbing material that is interposed in the underfloor space between the floor slab and the basement to form a surrounding space for sound absorption. The sound absorbing material is made of a porous material and has a vertically open cylindrical shape. This is a tubular sound-absorbing material for a soundproof floor structure.
【００１０】なお本発明で筒状とは，もとより床スラブ
と床下地間の床下空間に介装可能な程度の高さを有する
囲繞空間を形成し得るものであって，その形状は，例え
ば平面円形，楕円形，ハニカム形，方形，矩形，三角形
等，円を含む任意の平面多角形をなし，また大きさを任
意とするものを意味している。[0010] In the present invention, the cylindrical shape can form a surrounding space having a height such that it can be interposed in the underfloor space between the floor slab and the floor substrate. It means an arbitrary planar polygon including a circle, such as a circle, an ellipse, a honeycomb, a rectangle, a rectangle, a triangle, and the like, and an arbitrary size.
【００１１】[0011]
【発明の実施の形態】以下図面の例に従って本発明を更
に具体的に説明すれば，１は鉄筋コンクリート構造の，
例えばマンション，オフィスビル等の建築物におけるコ
ンクリートによって形成して上下階を区画する床スラ
ブ，２は該床スラブ１上に，例えば多数の防振支持脚３
に支持する置床工法によって，上記床スラブ１上に床下
空間４を形成するように浮き設置した，例えばパーティ
クルボードの下地パネルによる床下地，７及び８は，床
仕上を行なうように該床下地２上に配置した制振マット
及び該制振マット７上に配置した床面形成用にして表面
突板仕上の床合板を示す。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a reinforced concrete structure according to the present invention.
For example, a floor slab 2 formed of concrete in a building such as an apartment building or an office building and dividing upper and lower floors is provided on the floor slab 1, for example, a large number of anti-vibration support legs 3.
For example, floor bases 7 and 8 which are floated and installed on the floor slab 1 so as to form an underfloor space 4 on the floor slab 1 by a flooring method supported by the floor slab 1, for example, are provided with floor bases 7 and 8 so as to perform floor finishing. 2 shows a damping mat arranged on the top and a floor plywood finished on a surface veneer for forming a floor surface arranged on the damping mat 7.
【００１２】このように形成した床は防音床構造とされ
ており，該防音床構造は，上記床スラブ１と床下地２間
の床下空間４に，側壁を吸音材とする上下開放の囲繞空
間６を面方向に多数配置して形成したものとしてあり，
本例にあって該防音床構造は，上記床下空間４に，筒状
に形成した筒状吸音材５を介装することによって，上記
囲繞空間６を配置したものとしてある。The floor thus formed has a sound-insulating floor structure. The sound-insulating floor structure is provided in an under-floor space 4 between the floor slab 1 and the floor base 2, and a vertically open surrounding space having a side wall as a sound absorbing material. 6 are formed by arranging a large number in the plane direction.
In this example, the soundproof floor structure is such that the surrounding space 6 is arranged by interposing a tubular sound absorbing material 5 formed in a tubular shape in the underfloor space 4.
【００１３】本例において用いた筒状吸音材５は，床ス
ラブ１と床下地２間の床下空間４に介装し，吸音用の囲
繞空間６を形成するように使用するものとして，多孔質
材料によって上下開放の筒状としたものとしてある。The tubular sound-absorbing material 5 used in this embodiment is a porous material which is used to form a sound-absorbing surrounding space 6 by being interposed in the underfloor space 4 between the floor slab 1 and the floor base 2. It has a cylindrical shape that is open and closed depending on the material.
【００１４】本例にあって該筒状吸音材５の吸音材は，
これを，多孔質材料，例えば不織布を用いて形成したも
のとしてあり，本例の該不織布による吸音材は，ある程
度の重量密度と厚さを備えて，その吸音性を可及的高度
に確保し得るように，例えば１５乃至２０ｋｇ／ｍ３程
度の重量密度を備えるとともに，例えば数ｃｍ乃至１０
ｃｍ程度の厚肉の厚さを備えたものとするようにし，本
例にあっては重量１７．５ｋｇ／ｍ３，厚さ５ｃｍのも
のを使用してある。In this embodiment, the sound absorbing material of the tubular sound absorbing material 5 is:
This is formed by using a porous material, for example, a non-woven fabric, and the sound-absorbing material of the non-woven fabric of the present example has a certain weight density and thickness, and ensures its sound absorbing properties as high as possible. In order to obtain a weight density of, for example, about 15 to 20 kg / m 3 ,
In this example, a material having a weight of 17.5 kg / m 3 and a thickness of 5 cm is used.
【００１５】またこのとき，上記吸音材を用いた筒状吸
音材５は，上記床スラブ１と床下地２間の床下空間４の
高さ寸法に相応し，該高さ寸法と同等程度の高さ，例え
ば７ｃｍ程度の高さを有し，適宜の径，例えば上記床下
地２に用いたパーティクルボードの下地パネルの幅寸法
と同等程度の５０乃至６０ｃｍ程度の外径を有する平面
円形の円筒状のリング，特に高さを抑えて扁平なリング
の筒状をなすものとして形成してある。At this time, the cylindrical sound-absorbing material 5 using the above-described sound-absorbing material corresponds to the height of the underfloor space 4 between the floor slab 1 and the floor base 2, and has a height approximately equal to the height. A flat circular cylinder having a height of, for example, about 7 cm, and an appropriate diameter, for example, an outer diameter of about 50 to 60 cm, which is about the same as the width of the base panel of the particle board used for the floor base 2. The ring, in particular, is formed as a flat ring with a reduced height.
【００１６】該筒状吸音材５は，これを，例えば新築時
に床下地２の設置に先行し，上記床スラブ１上に，開口
を上下方向とするように載置し，必要に応じて接着等の
固定を施し，その後に床下地２の設置及び床仕上の措置
を施すようにして，上記囲繞空間６を床下空間４に形成
するように設置するものとしてあり，このとき本例の囲
繞空間６は，上記筒状吸音材５の高さを床下空間４の高
さに相応した高さとすることによって，該囲繞空間６の
上下端を，上記床下地２の下地パネルの裏面及び床スラ
ブ１の上面にそれぞれ近接し又は対接して，筒状吸音材
５を介装し，該筒状吸音材５内部の囲繞空間６をそれぞ
れ独立して平面多角形，本例にあっては平面円形にして
吸音用の独立の区分空間をなすようにしてある。The tubular sound-absorbing material 5 is placed on the floor slab 1 so that the opening is in the vertical direction, for example, prior to the installation of the floor base 2 at the time of new construction, and is bonded as necessary. After that, the surrounding space 6 is installed so as to form the underfloor space 4 by installing the floor base 2 and taking measures for finishing the floor. The upper and lower ends of the surrounding space 6 and the back of the floor panel of the floor base 2 and the floor slab 1 A cylindrical sound-absorbing material 5 is interposed adjacent to or in contact with the upper surface of the cylindrical sound-absorbing material 5, and the surrounding spaces 6 inside the cylindrical sound-absorbing material 5 are each independently formed into a plane polygon, in this example a plane circle. To form an independent partitioned space for sound absorption.
【００１７】このとき上記筒状吸音材５の介装は，これ
を，該筒状吸音材５の隣接する側壁を相互に部分的に接
触するように行い，上記囲繞空間６を，筒状吸音材５の
内部の空間と筒状吸音材５間外部の空間の双方による配
置としたものとしてある。At this time, the cylindrical sound absorbing material 5 is interposed so that the adjacent side walls of the cylindrical sound absorbing material 5 partially contact each other, and the surrounding space 6 is formed into a cylindrical sound absorbing material. The arrangement is made by both the space inside the material 5 and the space outside the tubular sound absorbing material 5.
【００１８】即ち本例の上記筒状吸音材５の上記床下空
間４への設置は，所定面積の床下空間４に筒状吸音材５
を，例えば密とする状態に，相互にその側壁が接触して
連続するように多数の筒状吸音材５を配置してあり，こ
れによって囲繞空間６は，各筒状吸音材５の 平面円形
乃至上記接触による弾性変形を受けて平面やや楕円形を
なす内側の空間によるものと，４つの筒状吸音材５が接
触することによってこれら４つの筒状吸音材５間に形成
される各辺を湾曲して異形となった平面菱形状をなす外
側の空間によるものとの双方によって形成したものとし
てあり，これによって上記床下空間４に筒状吸音材５の
内外双方が混在した状態で多数にして高密度に囲繞空間
６を配置したものとしてある。That is, the tubular sound absorbing material 5 of the present embodiment is installed in the underfloor space 4 having a predetermined area.
A large number of cylindrical sound absorbing members 5 are arranged so that their side walls are in contact with each other and are continuous, for example, in a dense state, so that the surrounding space 6 has a flat circular shape of each cylindrical sound absorbing member 5. In addition, each side formed between the four cylindrical sound absorbing materials 5 due to the contact of the four cylindrical sound absorbing materials 5 with the inner space formed by the elastic deformation due to the contact and having a flat or elliptical shape. It is formed by both the curved outer space and the outer space having the shape of a flat rhombus, so that a large number of cylindrical sound absorbing materials 5 are mixed in the underfloor space 4 in a state where both inside and outside are mixed. The surrounding spaces 6 are arranged at high density.
【００１９】図中３１は，本例において形状を，例えば
側面逆台形にして平面を円形とすることによって，下方
に向けて断面積を縮小し，床下地２の加重による膨出を
防止し，高度な防振性を確保するようにした，防振支持
脚３下端に設置して床スラブ１当接用の防振ゴム， ３
３は防振支持脚３のネジ３２を高さ調整自在に螺装し，
床下地２を載置支持する，本例にあって上記床下地２と
同様にパーティクルボードを用いて形成した防振支持脚
３の支持ブロック，９は床形成に必要に応じて用いる
釘，ネジ等の固定金具である。In the drawing, reference numeral 31 designates a shape in this example, for example, by making the shape of a side inverted trapezoid and making the plane circular, thereby reducing the cross-sectional area downward and preventing the floor base 2 from bulging due to the load. A vibration-absorbing rubber for contact with the floor slab 1 installed at the lower end of the vibration-isolating support leg 3 to ensure a high level of vibration isolation.
Reference numeral 3 denotes a screw 32 of the anti-vibration support leg 3 which is screwed in a height-adjustable manner.
The support block of the anti-vibration support leg 3 for mounting and supporting the floor substrate 2 in this example, which is formed by using a particle board in the same manner as the floor substrate 2 in the present example, and nails and screws 9 used as needed for floor formation And the like.
【００２０】このように形成した本例の防音床構造にあ
っては，床下空間４に囲繞空間を配置することなく，そ
の余の構造を同一とした床構造との対比において，本例
の防音床構造によるものは，各周波数帯域においてそれ
ぞれ顕著な防音性を呈するものとなり，特に重量衝撃音
の防音において特に顕著な防音性を呈するものとなっ
た。因みに周波数６３ｃｐｓにおいて７ｄＢ，１２５ｃ
ｐｓにおいて３ｄＢ，２５０ｃｐｓにおいて５ｄＢの各
騒音低減をなし得るものであった。In the soundproof floor structure of the present embodiment formed in this manner, the soundproof floor structure of the present embodiment is compared with a floor structure in which the surrounding structure is the same without arranging the surrounding space in the underfloor space 4. The floor structure provided remarkable soundproofing in each frequency band, and particularly remarkable soundproofing for heavy impact sound. 7 dB, 125 c at 63 cps
Each noise reduction of 3 dB at ps and 5 dB at 250 cps could be achieved.
【００２１】即ち床下空間４に上記囲繞空間６を配置す
ることによって，該囲繞空間６が共振によって騒音を吸
収する共振室を配置した如くに，床，即ち床下地２が受
ける衝撃音等の騒音を極めて良好に吸収し，騒音が床ス
ラブ１に伝達するのを防止することによって，高度な防
音性を発揮するとともに，囲繞空間６が，特に上階の床
における歩行，児童の飛跳ね，物の落下等によって生じ
る周波数帯域の騒音の吸収を的確に行なって，マンショ
ン，オフィスビル等の防音床構造として略満足し得るも
のとなった。That is, by arranging the surrounding space 6 in the underfloor space 4, noise such as an impact sound or the like received by the floor, that is, the floor base 2, is provided as if the surrounding space 6 had a resonance chamber for absorbing noise by resonance. Very effectively, and prevents noise from being transmitted to the floor slab 1, thereby exhibiting a high level of sound insulation. The surrounding space 6 is particularly effective for walking on floors on the upper floor, jumping of children, By properly absorbing the noise in the frequency band caused by the fall of the building, the soundproof floor structure of condominiums, office buildings, and the like can be almost satisfied.
【００２２】またこのように高度な防音性を発揮し乍
ら，囲繞空間６の形成にはその側壁をなすように，筒状
とした吸音材５を使用することにより，吸音材５の使用
量を可及的に低減して，床の防音コストを安価とし得る
ものとなった。In addition, while using the sound absorbing material 5 having a cylindrical shape so as to form a side wall of the surrounding space 6 while exhibiting a high level of sound insulation as described above, the amount of the sound absorbing material 5 used can be reduced. As much as possible, the sound insulation cost of the floor can be reduced.
【００２３】図示した例は以上のとおりとしたが，上記
囲繞空間の配置を，例えば帯状の防音材を用いて，複数
本を同一方向に向けて波状に配置することによって波状
配置の防音材間に平面円形等適宜形状の囲繞空間を形成
配置すること，このとき波状配置の防音材の対接部分を
相互に，例えば金具，接着等によって固定し，その囲繞
空間を，上記筒状吸音材を用いたときと同様に吸音用の
独立の区分空間を形成するようにし，また防音材を多数
本とすることによって，囲繞空間を同じく多数にして高
密度に配置したものとすること，吸音材の高さを床下空
間より低く設定し，上端が床下地から幾分離れた状態に
床スラブと床下地間に介装して，囲繞空間が床下空間上
方において連通するように形成すること，吸音材又は筒
状吸音材の面方向多数の配置を，床下空間の所定位置に
散在するようにして，囲繞空間を粗の密度に配置するよ
うにすること，上記吸音材又は筒状吸音材を，上記不織
布に代えて，ロックウール，ロックウール板，軟質ウレ
タンフォーム等の多孔質材料を用いて形成するようにす
ること，上記吸音材又は筒状吸音材を弾性材料としまた
半硬質乃至硬質材料とする場合を含めて，必要に応じて
吸音材又は筒状吸音材を金属等適宜材料の，例えば芯材
や補強材を備えた複合材料を用いて形成するようにする
こと等を含めて，本発明の実施に当って，床スラブ，床
下地，床下空間，吸音材，囲繞空間，必要に応じて用い
る筒状吸音材等の各具体的形状，構造，材質，寸法，
数，これらの関係，これらに対する付加，床下空間への
設置の方法等は，上記発明の要旨に反しない限り様々の
形態のものとすることができる。Although the illustrated example is as described above, the arrangement of the above-mentioned surrounding space is performed by, for example, using a band-shaped soundproofing material, and arranging a plurality of the soundproofing materials in the same direction in a wavy manner. And a surrounding space of an appropriate shape such as a plane circle is formed and arranged, and at this time, the contact portions of the soundproofing materials in a wave-like configuration are fixed to each other by, for example, metal fittings, adhesives, or the like, and the surrounding space is filled with the cylindrical sound absorbing material. In the same way as when used, a separate space for sound absorption should be formed, and by using a large number of soundproofing materials, the number of surrounding spaces should be the same, so that they should be arranged at a high density, The height is set lower than the underfloor space, the upper end is slightly separated from the underfloor, interposed between the floor slab and the underfloor, so that the surrounding space communicates above the underfloor space. Or surface direction of cylindrical sound absorbing material The number arrangement is scattered at a predetermined position in the underfloor space so that the surrounding space is arranged at a coarse density. The sound absorbing material or the tubular sound absorbing material is replaced with the above nonwoven fabric, rock wool, If necessary, including using a porous material such as a rock wool plate or a soft urethane foam, and using the above-mentioned sound absorbing material or cylindrical sound absorbing material as an elastic material and a semi-rigid or hard material. In the practice of the present invention, the floor slab may be formed by forming the sound absorbing material or the tubular sound absorbing material using a suitable material such as metal, for example, using a composite material having a core material and a reinforcing material. , Floor base, underfloor space, sound-absorbing material, surrounding space, cylindrical sound-absorbing material used as needed, etc., specific shapes, structures, materials, dimensions,
The number, the relationship between them, the addition to them, the method of installation in the underfloor space, and the like can be of various forms without departing from the gist of the invention.
【００２４】[0024]
【発明の効果】本発明は以上のとおりに構成したから，
請求項１に記載の発明は，床の防音性を可及的高度に確
保するとともにその防音コストを可及的安価とし得るよ
うにした防音床構造及びこれに使用するに好適な防音材
を提供することができる。The present invention is configured as described above.
According to the first aspect of the present invention, there is provided a sound-insulating floor structure and a sound-insulating material suitable for use in the sound-insulating floor, which ensure the sound-insulating properties of the floor as high as possible and make the sound-insulating cost as low as possible. can do.
【００２５】請求項２に記載の発明は，上記に加えて，
筒状に形成した筒状吸音材を用いて，床パネル設置前に
床スラブ上にこれを配置することによって，可及的に簡
易且つ確実に上記と同様な防音床構造を得られるように
して，その作業効率を高度に確保し得るものとすること
ができる。[0025] The invention according to claim 2 provides, in addition to the above,
By arranging this on a floor slab before installing a floor panel by using a cylindrical sound absorbing material formed in a cylindrical shape, a soundproof floor structure similar to the above can be obtained as simply and reliably as possible. , The work efficiency can be highly secured.
【００２６】請求項３に記載の発明は，同じく上記に加
えて，上記筒状吸音材を用いるに際して，これを隣接相
互間で部分接触するように配置することによって，囲繞
空間を，筒状吸音材の間にも形成するようにして，可及
的に吸音性を高度に行い，床の防音性を向上するものと
することができる。According to a third aspect of the present invention, in addition to the above, when the cylindrical sound absorbing material is used, it is arranged so as to be in partial contact between adjacent ones, so that the surrounding space is made cylindrical cylindrical sound absorbing material. By forming it between the materials, the sound absorption can be made as high as possible, and the sound insulation of the floor can be improved.
【００２７】請求項４に記載の発明は，同じく上記に加
えて，上記吸音材又は筒状吸音材として高度乃至相応の
性能を確保するとともに可及的に床の防音コストを安価
のものとし得る，好ましい形態のものとすることができ
る。According to the fourth aspect of the present invention, in addition to the above, the sound absorbing material or the cylindrical sound absorbing material can ensure high or appropriate performance, and can reduce the sound insulation cost of the floor as low as possible. , It can be in a preferred form.
【００２８】請求項５に記載の発明は，上記防音床構造
に好適に用いて，高度な防音性，安価な防音コスト及び
高度な作業効率を確保し得る吸音材を提供することがで
きる。The invention described in claim 5 can provide a sound-absorbing material which can be suitably used for the above-mentioned sound-insulating floor structure, and which can ensure high soundproofing properties, low soundproofing costs and high work efficiency.
【図１】筒状吸音材の床下空間への配置状態を示す床下
地の平面図である。FIG. 1 is a plan view of a floor base showing a state in which a tubular sound absorbing material is arranged in an underfloor space.
【図２】筒状吸音材の床下空間への配置状態を示す床の
縦断面図である。FIG. 2 is a vertical cross-sectional view of the floor, showing a state in which a tubular sound-absorbing material is arranged in a space under the floor.
【図３】筒状吸音材と床下空間への配置状態を示す拡大
縦断面図である。FIG. 3 is an enlarged longitudinal sectional view showing a tubular sound absorbing material and an arrangement state in a space under the floor.
【図４】筒状吸音材の例を示す斜視図である。FIG. 4 is a perspective view showing an example of a tubular sound absorbing material.
１ 床スラブ ２ 床下地 ３ 防振支持脚 ４ 床下空間 ５ 筒状吸音材 ６ 囲繞空間 DESCRIPTION OF SYMBOLS 1 Floor slab 2 Floor base 3 Anti-vibration support leg 4 Underfloor space 5 Cylindrical sound absorbing material 6 Surrounding space
───────────────────────────────────────────────────── フロントページの続き Ｆターム(参考） 2E001 DF01 DF04 DF07 EA01 FA13 GA01 GA12 GA28 GA42 GA81 HA32 HC02 HC04 HD03 HE01 HF16 LA01 LA09 LA12 LA19 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 2E001 DF01 DF04 DF07 EA01 FA13 GA01 GA12 GA28 GA42 GA81 HA32 HC02 HC04 HD03 HE01 HF16 LA01 LA09 LA12 LA19
Claims (5)
を吸音材とする上下開放の囲繞空間を面方向に多数配置
してなることを特徴とする防音床構造。1. A soundproof floor structure comprising: a plurality of vertically open surrounding spaces having sound absorbing materials whose side walls are arranged in a planar direction in a space below a floor between a floor slab and a floor base.
に形成した筒状吸音材を介装することによって，側壁を
吸音材とした上下開放の囲繞空間を面方向に多数配置し
てなることを特徴とする防音床構造。2. A tubular sound absorbing material formed in a tubular shape is interposed in the underfloor space between the floor slab and the floor base, so that a large number of vertically open surrounding spaces having sound absorbing materials on the side walls are arranged in the plane direction. Soundproof floor structure characterized by the following.
の隣接する側壁を相互に部分的に接触するように行い，
上記囲繞空間を，筒状吸音材の内部の空間と筒状吸音材
間外部の空間の双方による配置としてなることを特徴と
する請求項２に記載の防音床構造。3. The cylindrical sound absorbing material is interposed so that adjacent side walls of the cylindrical sound absorbing material partially contact each other,
The soundproof floor structure according to claim 2, wherein the surrounding space is arranged by both a space inside the tubular sound absorbing material and a space outside the tubular sound absorbing material.
ロックウール，ロックウール板，軟質ウレタンフォーム
等の多孔質材料を用いて形成してなることを特徴とする
請求項１，２又は３に記載の防音床構造。4. The method according to claim 1, wherein the sound absorbing material or the tubular sound absorbing material is a non-woven fabric,
The soundproof floor structure according to claim 1, 2 or 3, wherein the soundproof floor structure is formed using a porous material such as rock wool, rock wool plate, and soft urethane foam.
し，吸音用の囲繞空間を形成するように使用する吸音材
であって，多孔質材料によって上下開放の筒状としてな
ることを特徴とする防音床構造用の筒状吸音材。5. A sound absorbing material interposed in a space below a floor between a floor slab and a floor base to form a surrounding space for sound absorption, wherein the sound absorbing material is made of a porous material and has a vertically open cylindrical shape. Characteristic tubular sound absorbing material for soundproof floor structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001148004A JP2002339475A (en) | 2001-05-17 | 2001-05-17 | Soundproof floor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001148004A JP2002339475A (en) | 2001-05-17 | 2001-05-17 | Soundproof floor structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2002339475A true JP2002339475A (en) | 2002-11-27 |
Family
ID=18993397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001148004A Pending JP2002339475A (en) | 2001-05-17 | 2001-05-17 | Soundproof floor structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2002339475A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03111706U (en) * | 1990-02-28 | 1991-11-15 | ||
| JPH07310396A (en) * | 1994-05-19 | 1995-11-28 | Maruei Shikan:Kk | Panel member, and manufacture thereof |
-
2001
- 2001-05-17 JP JP2001148004A patent/JP2002339475A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03111706U (en) * | 1990-02-28 | 1991-11-15 | ||
| JPH07310396A (en) * | 1994-05-19 | 1995-11-28 | Maruei Shikan:Kk | Panel member, and manufacture thereof |
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