JP2007120098A - Vibration absorbing material, its manufacturing method, and its installation method - Google Patents

Vibration absorbing material, its manufacturing method, and its installation method Download PDF

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JP2007120098A
JP2007120098A JP2005312198A JP2005312198A JP2007120098A JP 2007120098 A JP2007120098 A JP 2007120098A JP 2005312198 A JP2005312198 A JP 2005312198A JP 2005312198 A JP2005312198 A JP 2005312198A JP 2007120098 A JP2007120098 A JP 2007120098A
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vibration
absorbing material
vibration absorbing
wall
sound
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Shoji Uwano
庄二 宇和野
Yoshiharu Ito
義治 伊藤
Tsutomu Nagasawa
勤 長沢
Tetsuya Akiyama
哲也 秋山
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SAITAMA RUBBER KOGYO KK
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SAITAMA RUBBER KOGYO KK
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a vibration absorbing material simply formed, manufacturable at reduced cost, lightweight, easily installable, and capable of sufficiently suppressing the propagation of vibration energy and sound, particularly in low frequency areas, propagating on a wall surface. <P>SOLUTION: This vibration absorbing material is disposed between a pair of wall surface panels forming the partition wall surfaces and/or the boundary walls of a building. The vibration absorbing material comprises a vibration absorbing part 10 with a repulsive elastic modulus conforming to JIS K6255 of 0 to 30% at an Hs hardness of 45 to 85° and a fixed part 20 secured to the wall surface panels. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は、主に枠組み工法に代表されるパネル工法建築物において、主として隣室からの空気伝播音などの振動エネルギー、音響エネルギーを抑制する振動吸収材に関する。   The present invention relates to a vibration absorber that mainly suppresses vibration energy such as air-borne sound from an adjacent room, and acoustic energy in a panel method building represented mainly by a framework method.

一般的に2×4工法に代表されるようなパネル工法では、柱又はスタッドに内装用石膏ボード、耐力パネルが締結されているため、主として隣室の振動源又は騒音源からの振動エネルギーがパネル及び柱を伝播して各パネルを強制的に振動させることによる音の伝播、特に250Hz以下の低周波域における振動エネルギーがパネルと共振を起こすことによる音の伝播を助長させる問題があった。   In general, in the panel method represented by the 2 × 4 method, the interior gypsum board and the load-bearing panel are fastened to the column or stud, so that the vibration energy from the vibration source or the noise source in the adjacent room is mainly applied to the panel and the stud. There has been a problem of promoting sound propagation by propagating the columns and forcibly vibrating each panel, particularly sound propagation caused by vibration energy in a low frequency region of 250 Hz or lower causing resonance with the panel.

こうした音の伝播を低減させるために、パネルに制振材あるいは遮音材を貼付する方法が一般的に用いられており、例えば制振材又は遮音材を積層する方法が特開平5-118092号公報(特許文献1)により提案されている。   In order to reduce such sound propagation, a method of attaching a damping material or a sound insulation material to the panel is generally used. For example, a method of laminating a vibration damping material or a sound insulation material is disclosed in Japanese Patent Laid-Open No. 5-118092. (Patent Document 1).

しかし、かかる提案の方法では、パネル全面に制振材あるいは遮音材を貼着させることが必要なため、パネル自体の製造費用の上昇や、パネルの重量が重くなりことによる施工性の悪化などの問題があり、このような方法を建築物に標準的に用いるとした場合には費用対効果が著しく悪化するという問題があった。   However, in the proposed method, it is necessary to attach a damping material or a sound insulating material to the entire panel surface, so that the manufacturing cost of the panel itself increases and the workability deteriorates due to the heavy panel weight. There is a problem, and when such a method is used as a standard for a building, there is a problem that the cost effectiveness is remarkably deteriorated.

また、そもそも従来提案されている制振材や遮音材では、低周波域の振動エネルギーや音の伝播を十分に抑制できないという問題がある。
特開平5−118092号公報
In the first place, the conventionally proposed damping material and sound insulating material have a problem that vibration energy and sound propagation in a low frequency range cannot be sufficiently suppressed.
Japanese Patent Laid-Open No. 5-118092

従って本発明の目的は、シート類を貼る等の従来の方法に比較して簡便であり、軽量で施工が簡単であり、壁面を伝播する振動エネルギー、空気伝播エネルギー、特に低周波域の振動エネルギーや音の伝播を十分に抑制することができ、特に250Hz以下の低周波域の音響エネルギーの伝播を低減させることができる振動吸収材を提供することにある。   Therefore, the object of the present invention is simpler than conventional methods such as sticking sheets, is lightweight and easy to construct, vibration energy propagating on the wall surface, air propagation energy, especially vibration energy in the low frequency range. Another object of the present invention is to provide a vibration absorbing material that can sufficiently suppress the propagation of sound and can reduce the propagation of acoustic energy in a low frequency range of 250 Hz or less.

本発明者らは、鋭意検討した結果、特定の反発弾性率を有する材料を用いた振動吸収材が上記目的を達成しうることを知見した。
本発明は上記知見に基づいてなされたものであり、具体的には、建造物の間仕切り壁面及び/又は界壁を構成する一対の壁面パネル間に配される振動吸収材であって、JIS K 6255に規定される反発弾性率が、Hs硬度45°〜85°において0%〜30%である振動吸収部を具備することを特徴とする振動吸収材を提供するものである。
As a result of intensive studies, the present inventors have found that a vibration absorbing material using a material having a specific rebound resilience can achieve the above object.
The present invention has been made on the basis of the above knowledge. Specifically, the present invention is a vibration absorbing material disposed between a pair of wall panels constituting a partition wall surface and / or a boundary wall of a building, and is JIS K. The present invention provides a vibration-absorbing material comprising a vibration-absorbing part having a rebound elastic modulus defined by 6255 of 0% to 30% at an Hs hardness of 45 ° to 85 °.

以下、本発明についてさらに説明する。
本発明の振動吸収材は、振動吸収部と壁面パネルに固着される一対の固定部とからなる。固定部は、それぞれ振動吸収部と同じ材料で形成されていても、また、別の材料で形成されていてもよい。
The present invention will be further described below.
The vibration absorbing material of the present invention includes a vibration absorbing portion and a pair of fixing portions fixed to the wall surface panel. The fixing portions may be formed of the same material as that of the vibration absorbing portion, or may be formed of a different material.

振動吸収部は、JIS K 6255に規定される反発弾性率が、Hs硬度45°〜85°において0%〜30%であり、好ましくは0%〜10%である。反発弾性率は低ければ低いほど、振動エネルギー吸収効果が高くなるので0%が好ましい。反発弾性率が30%を超えると、振動エネルギーの吸収効果低下により、振動吸収材のサイズを大きくしなければならないなどの問題が発生してしまう。   The vibration absorbing portion has a rebound resilience defined by JIS K 6255 of 0% to 30%, preferably 0% to 10% at an Hs hardness of 45 ° to 85 °. The lower the impact resilience, the higher the vibration energy absorption effect, so 0% is preferable. If the rebound resilience exceeds 30%, problems such as the need to increase the size of the vibration absorbing material may occur due to a reduction in vibration energy absorption effect.

また、振動吸収部の硬度は、JIS K 6253(タイプA)に規定される試験方法に基づいて硬度Hs45°以上85°以下であるのが好ましく、60°以上80以下°であるのがより好ましい。硬度が、Hs45°未満であるとパネル面からの振動吸収による減衰効果が小さくなる場合があり、85°を超えると施工時にパネルへの密着、追従性が低下し、結果としてパネル面からの振動吸収による減衰効果が小さくなる場合がある。   Further, the hardness of the vibration absorbing portion is preferably a hardness Hs of 45 ° or more and 85 ° or less, more preferably 60 ° or more and 80 or less, based on a test method defined in JIS K 6253 (type A). . If the hardness is less than Hs 45 °, the damping effect due to vibration absorption from the panel surface may be reduced. If the hardness exceeds 85 °, adhesion to the panel and followability during construction will decrease, resulting in vibration from the panel surface. The attenuation effect due to absorption may be reduced.

次に、振動吸収部の形成材料について説明する。
振動吸収部は、数平均分子量が100〜30000であり且つ損失正接(tanδ)のピーク値が1.5以上である、ゴム、ポリマー又は熱可塑性エラストマーの少なくとも1種(以下、これらの成分を総称して「主成分」という場合がある)を含む振動吸収性組成物を用いて形成されていることが好ましい。
Next, a material for forming the vibration absorbing portion will be described.
The vibration-absorbing part has a number average molecular weight of 100 to 30000 and a peak value of loss tangent (tan δ) of 1.5 or more, and is at least one kind of rubber, polymer, or thermoplastic elastomer (hereinafter, these components are generically named). And may be referred to as a “main component”).

ゴムとしては、例えば、ブタジエンースチレン系ゴム、スチレンブタジエンゴム、イソプレンゴム、天然ゴム、エチレンプロピレンゴム、ブチルゴム、アクリルニトリルブタジエンゴム、クロロプレンゴム、アクリルゴム、ウレタンゴム、フッ素ゴム、シリコンゴム及びこれらの水添物などを好ましく挙げることができ、スチレンブタジエンゴム、天然ゴム、エチレンプロピレンゴムおよびブチルゴムが特に好ましい。   Examples of the rubber include butadiene-styrene rubber, styrene butadiene rubber, isoprene rubber, natural rubber, ethylene propylene rubber, butyl rubber, acrylonitrile butadiene rubber, chloroprene rubber, acrylic rubber, urethane rubber, fluorine rubber, silicon rubber, and these. Preferred examples include hydrogenated products, and styrene butadiene rubber, natural rubber, ethylene propylene rubber and butyl rubber are particularly preferable.

ポリマーとしては、例えば、ポリエチレン(PE)、エチレンビニルアクリレート(EVA)、アタクチックポリプロピレン(APP)、ポリプロピレン(PP)、ポリエチレンテレフタレート(PET)、ポリアミド、ポリカーボネート、メタクリル樹脂、アクリロニトリルブタジエンスチレン樹脂(ABS)、アクリロニトリルスチレン樹脂(AS)、ウレタン樹脂、アクリル樹脂、ポリ塩化ビニルなどを好ましく挙げることができ、ポリエチレン、エチレンビニルアクリレート、アタクチックポリプロピレン及びポリプロピレンが特に好ましい。   Examples of the polymer include polyethylene (PE), ethylene vinyl acrylate (EVA), atactic polypropylene (APP), polypropylene (PP), polyethylene terephthalate (PET), polyamide, polycarbonate, methacrylic resin, acrylonitrile butadiene styrene resin (ABS). Acrylonitrile styrene resin (AS), urethane resin, acrylic resin, polyvinyl chloride and the like can be preferably mentioned, and polyethylene, ethylene vinyl acrylate, atactic polypropylene and polypropylene are particularly preferred.

熱可塑性エラストマーとしては、例えばスチレンブタジエンスチレン(SBS)、スチレンイソプレンスチレン(SIS)、1,2−ポリブタジエン、塩化ポリエチレンなどを好ましく挙げることができる。   Preferred examples of the thermoplastic elastomer include styrene butadiene styrene (SBS), styrene isoprene styrene (SIS), 1,2-polybutadiene, and polyethylene chloride.

振動吸収性組成物における主成分の配合割合は、組成物全体中5〜50重量%とするのが好ましく、10〜20重量%とするのがより好ましい。また、ゴム、ポリマー及び熱可塑性エラストマーの組み合わせは何ら制限されるものではなく、上述の反発弾性率の範囲を満足するように任意の配合割合で組み合わせてもよい。   The blending ratio of the main component in the vibration-absorbing composition is preferably 5 to 50% by weight, more preferably 10 to 20% by weight in the entire composition. Further, the combination of rubber, polymer and thermoplastic elastomer is not limited at all, and may be combined at any blending ratio so as to satisfy the above-mentioned range of the resilience modulus.

振動吸収性組成物は、主成分の他に、充填剤、粘着付与剤、架橋剤、可塑剤などの添加剤を含んでいてもよい。これら添加剤の配合割合は、振動吸収性組成物中50〜90重量%とするのが好ましく、60〜80重量%とするのがより好ましい。   The vibration-absorbing composition may contain additives such as a filler, a tackifier, a crosslinking agent, and a plasticizer in addition to the main component. The blending ratio of these additives is preferably 50 to 90% by weight, more preferably 60 to 80% by weight in the vibration-absorbing composition.

充填剤としては、炭酸カルシウム、カーボン、硫酸バリウム、水酸化カルシウム、マイカ、タルク、ケイ酸、酸化チタンなどの顔料類、カーボン繊維、コットンブロックなどの繊維状充填剤などを挙げることができる。   Examples of the filler include pigments such as calcium carbonate, carbon, barium sulfate, calcium hydroxide, mica, talc, silicic acid, and titanium oxide, and fibrous fillers such as carbon fiber and cotton block.

粘着付与剤としては、ロジン樹脂、テルペン樹脂、クマロンインデン樹脂、脂肪族系石油樹脂、芳香族系石油樹脂などを挙げることができる。
架橋剤としては、硫黄、有機過酸化物、ポリアミン、セレニウムなどを挙げることができる。
Examples of the tackifier include rosin resin, terpene resin, coumarone indene resin, aliphatic petroleum resin, aromatic petroleum resin and the like.
Examples of the crosslinking agent include sulfur, organic peroxides, polyamines, and selenium.

可塑剤としては、プロセスオイル(パラフィン系、ナフテン系、芳香族)などの鉱物油系軟化剤やサブ(ファクチス)及び脂肪酸、脂肪酸塩、瀝青物などを挙げることができる。   Examples of the plasticizer include mineral oil softeners such as process oils (paraffinic, naphthenic, and aromatic), sub (factis), fatty acids, fatty acid salts, bitumen, and the like.

次に、振動吸収材の固定部の形成材料について説明する。固定部は、振動吸収部と同一材料で一体に成形されてもよいし、異なる材料で形成した別個の部材を振動吸収部に固着させたものでもよい。固定部を振動吸収材と異なる材料で形成する場合、固定部の形成材料は特に制限されないが、壁面パネルへの固着の容易さを考慮して、木材、各種金属材、樹脂板などを用いることが好ましい。   Next, a material for forming the fixed portion of the vibration absorbing material will be described. The fixing portion may be integrally formed of the same material as the vibration absorbing portion, or may be a member in which a separate member formed of a different material is fixed to the vibration absorbing portion. When the fixing part is formed of a material different from that of the vibration absorbing material, the material for forming the fixing part is not particularly limited, but wood, various metal materials, resin plates, etc. should be used in consideration of the ease of fixing to the wall panel. Is preferred.

本発明の振動吸収材によれば、シート類を貼る等の従来の防音方法と比較して簡便であり、軽量で施工が簡単であり、壁面を伝播する振動エネルギー、空気伝播エネルギー、特に低周波域の振動エネルギーや音の伝播を十分に抑制することができる。   According to the vibration-absorbing material of the present invention, it is simpler than conventional soundproofing methods such as sticking sheets, is light in weight and easy to construct, vibration energy propagating on the wall surface, air propagation energy, especially low frequency The vibration energy and sound propagation in the region can be sufficiently suppressed.

以下、本発明について図面を参照してさらに詳細に説明する。
ここで、図1は、本発明の振動吸収材の1実施形態を示す斜視図であり、図2は、図1のII-II断面図である。また、図3は、図1に示す振動吸収材の施工例を示す該略図であり、図3(a)は、施工した部屋の全体を示す側面図であり、図3(b)は、振動吸収材の壁面パネルへの設置状態を示す内部透視図である。
Hereinafter, the present invention will be described in more detail with reference to the drawings.
Here, FIG. 1 is a perspective view showing one embodiment of the vibration absorbing material of the present invention, and FIG. 2 is a sectional view taken along the line II-II in FIG. 3 is a schematic diagram showing an example of construction of the vibration absorbing material shown in FIG. 1, FIG. 3 (a) is a side view showing the entire constructed room, and FIG. It is an internal perspective view which shows the installation state to the wall surface panel of an absorber.

図1及び図2に示す形態の振動吸収材は、略円柱状の振動吸収部10と、その両端に設けられた円盤状の一対の固定部20とからなる。
振動吸収部10は、図1及び図2に示すように、コア12とその周縁部分14と両端部とからなり、周縁部分はコアの軸方向全域に亘って延在し、周縁部分不存在部分がコアの周方向にほぼ等間隔に形成されるように配されており、本実施形態においては断面形状が略十字状である。
The vibration absorbing material shown in FIGS. 1 and 2 includes a substantially cylindrical vibration absorbing portion 10 and a pair of disk-shaped fixing portions 20 provided at both ends thereof.
As shown in FIGS. 1 and 2, the vibration absorbing portion 10 includes a core 12, a peripheral portion 14 thereof, and both end portions, and the peripheral portion extends over the entire axial direction of the core, and the peripheral portion is absent. Are arranged at substantially equal intervals in the circumferential direction of the core, and in the present embodiment, the cross-sectional shape is substantially a cross.

本実施形態の振動吸収材は、壁面パネルに固着させる両端部の面積が直径50mmで長さ90mmの略円柱状であるが、寸法や形状はこれに制限されない。本発明の振動吸収材は、振動吸収材を固着させる壁面パネルの面積の0.1〜5%となる各端部面積と、一対の壁面パネルの間隔に応じた任意の長さを有する寸法であることが好ましい。   The vibration-absorbing material of the present embodiment has a substantially columnar shape with a diameter of 50 mm and a length of 90 mm at both ends fixed to the wall panel, but the dimensions and shape are not limited thereto. The vibration-absorbing material of the present invention has dimensions that have an arbitrary length corresponding to each end area that is 0.1 to 5% of the area of the wall panel to which the vibration-absorbing material is fixed, and the distance between the pair of wall panels. Preferably there is.

さらに、本実施形態においては、振動吸収部の外端部に貼付された別異の材料、本実施形態においては木材からなる固定部を含む。
このように構成された本実施形態の振動吸収材は、以下のようにして製造することができる。
(1)振動吸収部の形成材料を加圧ニーダーに導入して加圧混練し、得られた配合物をカレンダーロールに掛けて厚さ5〜10mm程度のシートにする。
(2)シートを常温まで冷却した後、これをミキシングロールに掛け、架橋剤を導入して混練を行ない、同じく厚さ5〜10mm程度のシートにする。
(3)得られたシートを加硫成形用金型に充填し、150〜180℃の温度範囲で5〜20分間かけて加硫させることにより振動吸収部を成形する。
Furthermore, in this embodiment, the fixing | fixed part which consists of a different material affixed on the outer end part of a vibration-absorbing part, and a timber in this embodiment is included.
The vibration absorbing material of the present embodiment configured as described above can be manufactured as follows.
(1) The material for forming the vibration absorbing portion is introduced into a pressure kneader and pressure-kneaded, and the resulting blend is placed on a calender roll to form a sheet having a thickness of about 5 to 10 mm.
(2) After the sheet is cooled to room temperature, it is placed on a mixing roll, and a cross-linking agent is introduced and kneaded to form a sheet having a thickness of about 5 to 10 mm.
(3) The obtained sheet is filled into a vulcanization mold and vulcanized at a temperature range of 150 to 180 ° C. for 5 to 20 minutes to form a vibration absorbing portion.

尚、上記(3)加硫成形工程において、加硫成形用金型に最初に固定部を位置づけ、固定部の上にシート状振動吸収材配合物を充填し、最後に固定部を位置づけて、加硫させることにより、固定部を振動吸収部と一体化することができる。   In the above (3) vulcanization molding step, the fixed part is first positioned in the vulcanization molding die, the sheet-like vibration absorber composition is filled on the fixed part, and finally the fixed part is positioned. By vulcanization, the fixed part can be integrated with the vibration absorbing part.

また、本実施形態の振動吸収材は、図3、4及び6に示すように、室1と室2とを区切る間仕切り壁面を構成する一対の壁面パネル間に配して使用する。本発明の振動吸収材は、壁面パネルの間柱で仕切られた面の重心位置に固着することにより、壁面パネルと低周波域の振動エネルギーとの共振を防止することができ、本発明の所望の効果を最大限に発揮することができる。   Further, as shown in FIGS. 3, 4, and 6, the vibration absorbing material of the present embodiment is used by being disposed between a pair of wall surface panels constituting a partition wall surface that divides the chamber 1 and the chamber 2. The vibration-absorbing material of the present invention can prevent resonance between the wall panel and the vibration energy in the low frequency range by fixing to the center of gravity of the surface partitioned by the pillars of the wall panel. The effect can be maximized.

以下、本発明を実施例によりさらに具体的に説明するが、本発明は、これらに制限されるものではない。
〔実施例1〕
EXAMPLES Hereinafter, the present invention will be described more specifically with reference to examples, but the present invention is not limited thereto.
[Example 1]

Figure 2007120098
Figure 2007120098

上記材料1〜6を加圧ニーダーに導入して加圧混練し、得られた配合物をカレンダーロールに掛けて厚さ5〜10mmm程度のシートにする。シートを常温まで冷却した後、これをミキシングロールに掛け、材料7を導入して混練を行ない、同じく厚さ5〜10mm程度のシート状にする。ついで、加硫成形用金型の両端に固定部形成用木材を位置づけ、固定部形成用木材の間に得られたシートを充填して、160℃×15分間の加硫工程を行い、図1及び2に示す形状の振動吸収部を成形した後、金型から取り出し、異種材料の固定部が接着された振動吸収材を得た。   The above materials 1 to 6 are introduced into a pressure kneader and subjected to pressure kneading, and the resulting blend is placed on a calender roll to form a sheet having a thickness of about 5 to 10 mm. After the sheet is cooled to room temperature, it is placed on a mixing roll, and the material 7 is introduced and kneaded to form a sheet having a thickness of about 5 to 10 mm. Next, the fixing part forming wood is positioned at both ends of the vulcanization mold, the sheet obtained between the fixing part forming woods is filled, and a vulcanization process is performed at 160 ° C. for 15 minutes. And after shape | molding the vibration absorption part of the shape shown in 2, it took out from the metal mold | die and obtained the vibration absorption material with which the fixing | fixed part of the different material was adhere | attached.

得られた振動吸収材の振動吸収部は、JIS K 6255に規定される反発弾性率が、Hs硬度45°〜85°において4であった。また、振動吸収部の硬度は、JIS K 6253(タイプA)に規定される試験方法に基づいて測定した硬度がHs80°であった。
〔施工例〕
図4(a)及び(b)に示すJIS-A-1416に規定される残響室(タイプII)を用いて、実施例1で得た振動吸収材を壁面パネル間に設置して、音響透過損失を測定した。
The vibration-absorbing part of the obtained vibration-absorbing material had a rebound resilience defined by JIS K 6255 of 4 at Hs hardness of 45 ° to 85 °. Moreover, the hardness of the vibration absorbing portion was Hs80 ° as measured based on a test method defined in JIS K 6253 (type A).
[Construction example]
Using the reverberation chamber (type II) defined in JIS-A-1416 shown in Figs. 4 (a) and 4 (b), the vibration absorbing material obtained in Example 1 is installed between the wall panels, and the sound is transmitted. Loss was measured.

各壁面パネルは、図4(a)に示すように、3本の2×4材(長さ1820mm)を455mm間隔で配置し(全幅910mm)、その間に、厚み12.5mm、幅910mm、長さ1820mmの石膏ボード(GBR規格)1枚を設置する一般の木造枠組み工法で作成した。   As shown in Fig. 4 (a), each wall panel has three 2x4 members (length: 1820mm) arranged at 455mm intervals (total width: 910mm), with a thickness of 12.5mm, width of 910mm, and length. It was made by a general wooden frame construction method in which one piece of 1820mm gypsum board (GBR standard) was installed.

振動吸収材は、図4(b)に示すように、455mm幅×1820mm長さの2×4材で区切られた1/2枚の石膏ボードの対角線中央位置に1個の割合で設置した。よって、910mm幅×1820mm長さの石膏ボード1枚について振動吸収材2個を設置した。振動吸収材の石膏ボードへの固定は、1枚の石膏ボードに振動吸収材の一方の固定部をビス止めした後、別の石膏ボードを間隔89mmで配し、振動吸収材の他方の固定部をビス止めすることにより行った。(図4(C))
隣接室間の音伝播測定は、JIS-A-1416「実験室における建築部材の空気音遮断性能の測定方法」に従って行ない、音響透過損失で評価した。
〔実施例2〜4、比較例1〜3〕
実施例1と同様にして、下記組成(1)〜(3)の振動吸収材(実施例2〜4)及び下記組成(4)〜(6)の一般的な加硫ゴム材(比較例1〜3)について上述の施工例と同様に施工した場合並びに振動吸収材を施工しない場合(比較例4)の隣接室間の音伝播を測定した。音響透過損失の測定データを図5(a)及び(b)に示す。図5(a)は、実施例2〜4及び比較例4についての音響透過損失曲線を示し、図5(b)は、比較例1〜4についての音響透過損失曲線を示す。
As shown in FIG. 4 (b), the vibration absorbing material was installed at a ratio of one piece at the center of the diagonal line of 1/2 gypsum board divided by 2 × 4 materials of 455 mm width × 1820 mm length. Therefore, two vibration absorbing materials were installed on one gypsum board having a width of 910 mm and a length of 1820 mm. To fix the vibration absorbing material to the gypsum board, screw one fixing part of the vibration absorbing material on one gypsum board, and then place another gypsum board at an interval of 89 mm, and the other fixing part of the vibration absorbing material It was done by screwing. (Figure 4 (C))
The sound propagation between adjacent rooms was measured according to JIS-A-1416 “Measurement method of air sound insulation performance of building materials in the laboratory” and evaluated by sound transmission loss.
[Examples 2-4, Comparative Examples 1-3]
In the same manner as in Example 1, vibration absorbing materials having the following compositions (1) to (3) (Examples 2 to 4) and general vulcanized rubber materials having the following compositions (4) to (6) (Comparative Example 1) About ~ 3), the sound propagation between adjacent rooms was measured when the construction was performed in the same manner as in the above construction example and when the vibration absorbing material was not constructed (Comparative Example 4). The measurement data of sound transmission loss is shown in FIGS. 5 (a) and 5 (b). FIG. 5A shows sound transmission loss curves for Examples 2 to 4 and Comparative Example 4, and FIG. 5B shows sound transmission loss curves for Comparative Examples 1 to 4.

(1)振動吸収材;反発弾性率4%、硬度45Hs
組成は下記の通り;
(1) Vibration absorber: Rebound resilience 4%, hardness 45Hs
The composition is as follows:

Figure 2007120098
Figure 2007120098

(2)振動吸収材;反発弾性率4%、硬度60Hs
組成は下記の通り;
(2) Vibration absorber: Rebound resilience 4%, hardness 60Hs
The composition is as follows:

Figure 2007120098
Figure 2007120098

(3)振動吸収材;反発弾性率4%、硬度80Hs
組成は下記の通り;
(3) Vibration absorber: Rebound resilience 4%, hardness 80Hs
The composition is as follows:

Figure 2007120098
Figure 2007120098

(4)一般的な加硫ゴム;反発弾性率60%、硬度45Hs
組成は下記の通り;
(4) General vulcanized rubber; rebound resilience 60%, hardness 45Hs
The composition is as follows:

Figure 2007120098
Figure 2007120098

(5)一般的な加硫ゴム;反発弾性率70%、硬度60Hs
組成は下記の通り;
(5) General vulcanized rubber; rebound resilience 70%, hardness 60Hs
The composition is as follows:

Figure 2007120098
Figure 2007120098

(6)一般的な加硫ゴム;反発弾性率65%、硬度80Hs
組成は下記の通り;
(6) General vulcanized rubber; rebound resilience 65%, hardness 80Hs
The composition is as follows:

Figure 2007120098
Figure 2007120098

図5(a)及び(b)から、(4)〜(6)の一般的な加硫ゴムでは、ブランクに対して音響性能の改善が確認できなかったが、本発明の振動吸収材(1)〜(3)を用いた場合には、ブランクに対して100Hz〜250Hzの低周波域での音伝播が減少したことがわかる。具体的には、(1)では対ブランクで1〜2dB、(2)では対ブランクで1〜4dB、(3)では対ブランクで2〜5dBの改善が確認された。
〔施工例2〕
上記施工例1で検証した結果、最も効果が高かった振動吸収材(3)を実際の住宅の間仕切壁に設置し、JIS-A-1417 建築物の空気音遮断性能の測定方法に従い、室間音圧レベル差により、振動吸収材を設置した場合と設置しなかった場合との比較評価を行った。
5 (a) and 5 (b), the general vulcanized rubbers (4) to (6) have not been confirmed to improve the acoustic performance with respect to the blank, but the vibration absorbing material (1 ) To (3), it can be seen that the sound propagation in the low frequency range of 100 Hz to 250 Hz is reduced with respect to the blank. Specifically, (1) improved 1-2 dB for the blank, (2) 1-4 dB for the blank, and (3) improved 2-5 dB for the blank.
[Example 2]
As a result of the verification in the construction example 1 above, the most effective vibration absorber (3) was installed on the partition wall of an actual house, and it was measured between the rooms according to the measurement method for air sound insulation performance of JIS-A-1417 buildings. By the sound pressure level difference, a comparative evaluation was performed with and without the vibration absorber.

各壁面パネルは、図6(a)に示すように、10本の2×4材(長さ24200mm)を455mm間隔で配置し(全幅3640mm)、その間に厚み12.5mm、幅910mm、長さ2420mmの石膏ボード(GBR規格)4枚を設置する一般の木造枠組み工法で作成した。   As shown in Fig. 6 (a), each 2 x 4 material (length: 24,200 mm) is placed at 455 mm intervals (total width: 3,640 mm), and each wall panel has a thickness of 12.5 mm, a width of 910 mm, and a length of 2420 mm. It was made by a general wooden framework method that installs four plaster boards (GBR standard).

振動吸収材は、図6(b)に示すように、455mm幅×2420mm長さの2×4材で区切られた1/2枚の石膏ボードの長方形部分の対角線中央位置に1個の割合で設置した。よって、910mm幅×2420mm長さの1枚の石膏ボードについて振動吸収材を2個設置し、壁面パネル全体では8個の振動吸収材を設置した。施工例1と同様に、振動吸収材を間に挟むように壁面パネルを固着させて、間仕切り壁とした。この間仕切り壁7枚で各6畳の隣接2室を構成し、一方を音響源室とし、他方を受音室とした。振動吸収材を設置しない場合(ブランク)についても空気音遮断性能を測定した。結果を図7に示す。   As shown in FIG. 6 (b), the vibration absorbing material has a ratio of one piece at the center of the diagonal line of the rectangular part of 1/2 gypsum board divided by 2 × 4 material of 455mm width × 2420mm length. installed. Therefore, two vibration absorbers were installed on one gypsum board having a width of 910 mm × 2420 mm, and eight vibration absorbers were installed on the entire wall panel. Similar to the construction example 1, the wall panel was fixed so as to sandwich the vibration absorbing material therebetween, thereby forming a partition wall. The seven partition walls constitute two adjacent rooms of 6 tatami mats, one being the sound source room and the other being the sound receiving room. The air sound blocking performance was also measured when no vibration absorbing material was installed (blank). The results are shown in FIG.

図7から、振動吸収材を用いない場合(ブランク)の空気音遮断性能はD-40であったのに対し、本発明の振動吸収材を用いた場合にはブランクの欠点であった125及び250Hz帯域の遮蔽性能が向上し、間仕切り壁の空気音遮断性能はD-45へ向上したことがわかる。なお、D値は空気音遮断性能を表す指標であり、一般的に数値が5上がる(D-40からD-45など)ごとに1ランクの性能向上と表現され、1ランクでも上がれば明確な性能向上があるものと判断される。空気音遮断性能が高いほど、空間音圧レベル差が大きいといえ、隣室間での音の遮断が低減したといえる。   From FIG. 7, the air sound blocking performance when the vibration absorbing material was not used (blank) was D-40, whereas when the vibration absorbing material of the present invention was used, 125 and It can be seen that the shielding performance in the 250 Hz band has been improved, and that the air noise blocking performance of the partition wall has been improved to D-45. Note that the D value is an index that represents the air sound insulation performance, and is generally expressed as 1 rank of performance improvement every time the numerical value goes up by 5 (D-40 to D-45, etc.). It is judged that there is a performance improvement. It can be said that the higher the air sound blocking performance is, the larger the spatial sound pressure level difference is, and the sound blocking between adjacent rooms is reduced.

図1は、本発明の振動吸収材の1実施形態を示す斜視図である。FIG. 1 is a perspective view showing an embodiment of the vibration absorbing material of the present invention. 図2は、図1のII-II断面図である。2 is a cross-sectional view taken along the line II-II in FIG. 図3は、図1に示す振動吸収材を壁面パネルに取り付けた場合の概略説明図である。FIG. 3 is a schematic explanatory diagram when the vibration absorbing material shown in FIG. 1 is attached to a wall panel. 図4は、図1に示す振動吸収剤の施工例1を示す該略図であり、(a)は、施工した部屋の全体を示す側面図であり、(b)は、振動吸収材の壁面パネルへの設置状態を示す内部透視図であり、(c)は固定方法例を示す断面図である。FIG. 4 is a schematic diagram showing a construction example 1 of the vibration absorber shown in FIG. 1, (a) is a side view showing the entire constructed room, and (b) is a wall panel of the vibration absorber. It is an internal perspective view which shows the installation state in (c), It is sectional drawing which shows the example of a fixing method. 図5aは、実施例1〜4及び比較例4についての音響透過損失の測定結果を示すグラフである。FIG. 5 a is a graph showing the measurement results of sound transmission loss for Examples 1 to 4 and Comparative Example 4. 図5bは、比較例1〜4についての音響透過損失の測定結果を示すグラフである。FIG. 5 b is a graph showing the measurement results of sound transmission loss for Comparative Examples 1 to 4. 図6は、施工例2を示す該略図である。FIG. 6 is a schematic diagram showing a construction example 2. 図7は、施工例2における間仕切り壁の空気遮断性能の測定結果を示すグラフである。FIG. 7 is a graph showing the measurement results of the air blocking performance of the partition wall in Construction Example 2.

Claims (3)

建造物の間仕切り壁面及び/又は界壁を構成する一対の壁面パネル間に配される振動吸収材であって、
JIS K 6255に規定される反発弾性率が、Hs硬度45°〜85°において
0%〜30%である振動吸収部を具備することを特徴とする振動吸収材。
A vibration absorber disposed between a pair of wall panels constituting a partition wall and / or a boundary wall of a building,
A vibration-absorbing material comprising a vibration-absorbing part having a rebound resilience defined by JIS K 6255 of 0% to 30% at an Hs hardness of 45 ° to 85 °.
前記振動吸収部は、コアとその周縁部分と両端部とからなり、
該周縁部分はコアの軸方向全域に亘って延在し、周縁部分不存在部分がコアの周方向にほぼ等間隔に形成されるように配されており、
該両端部の各端部の面積は、施工する壁面パネルの大きさの0.1〜5%であることを特徴とする請求項1に記載の振動吸収材。
The vibration absorbing portion is composed of a core, a peripheral portion thereof, and both end portions,
The peripheral portion extends over the entire region in the axial direction of the core, and the peripheral portion is absent so that the non-existing portion is formed at substantially equal intervals in the circumferential direction of the core,
The vibration absorbing material according to claim 1, wherein the area of each end of the both ends is 0.1 to 5% of the size of the wall panel to be constructed.
請求項1又は2に記載の振動吸収材を、建造物の間仕切り壁面及び/又は界壁を構成する壁面パネルの間柱で仕切られた面の重心位置に固着させることを特徴とする振動吸収材の施工方法。   A vibration-absorbing material according to claim 1 or 2, wherein the vibration-absorbing material according to claim 1 or 2 is fixed to a center of gravity of a surface partitioned by a pillar between wall surfaces constituting a partition wall surface and / or a wall of a building. Construction method.
JP2005312198A 2005-10-27 2005-10-27 Vibration absorbing material, its manufacturing method, and its installation method Pending JP2007120098A (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4986612A (en) * 1972-12-26 1974-08-20
JPS5429512A (en) * 1977-08-06 1979-03-05 Licentia Gmbh Compander
JPS57176518A (en) * 1981-04-22 1982-10-29 Mitsubishi Electric Corp Magnetic disc device
JPH08232389A (en) * 1995-02-27 1996-09-10 Koyo Kizai Kk Suspneded vibration-proof device
JP2002212370A (en) * 2001-01-23 2002-07-31 Nok Corp Fluororubber vulcanization molded product
WO2004094479A1 (en) * 2003-04-21 2004-11-04 Nok Corporation Method for producing low-friction fluorine rubber crosslinked body

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4986612A (en) * 1972-12-26 1974-08-20
JPS5429512A (en) * 1977-08-06 1979-03-05 Licentia Gmbh Compander
JPS57176518A (en) * 1981-04-22 1982-10-29 Mitsubishi Electric Corp Magnetic disc device
JPH08232389A (en) * 1995-02-27 1996-09-10 Koyo Kizai Kk Suspneded vibration-proof device
JP2002212370A (en) * 2001-01-23 2002-07-31 Nok Corp Fluororubber vulcanization molded product
WO2004094479A1 (en) * 2003-04-21 2004-11-04 Nok Corporation Method for producing low-friction fluorine rubber crosslinked body

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