JPH10311134A - Floor substrate member and floor construction of concrete building using the same - Google Patents
Floor substrate member and floor construction of concrete building using the sameInfo
- Publication number
- JPH10311134A JPH10311134A JP11998997A JP11998997A JPH10311134A JP H10311134 A JPH10311134 A JP H10311134A JP 11998997 A JP11998997 A JP 11998997A JP 11998997 A JP11998997 A JP 11998997A JP H10311134 A JPH10311134 A JP H10311134A
- Authority
- JP
- Japan
- Prior art keywords
- layer member
- floor
- lower layer
- upper layer
- base material
- 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.)
- Pending
Links
Landscapes
- Floor Finish (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、マンション等のコ
ンクリート集合住宅に使用できる床下地材及びそれを用
いたコンクリート建築物の床構造に関し、特に衝撃音等
の遮音性と耐荷重性に優れた床下地材及びそれを用いた
コンクリート建築物の床構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a flooring material usable for a concrete apartment house such as an apartment and a floor structure of a concrete building using the same. The present invention relates to a floor base material and a floor structure of a concrete building using the same.
【０００２】[0002]
【従来の技術】近年、コンクリート建築物、特にマンシ
ョン等の集合住宅においては、清掃性に優れて清潔感が
ある木質系の床仕上げ材が多用されている。木質系の床
仕上げ材が用いられた床構造としては、コンクリートス
ラブ上に、所定の間隔で島状に配置されたモルタル団子
等からなる接合材を設け、この上に、耐圧性のある半硬
質の発泡樹脂からなる床下地材、床仕上げ材を順に敷設
したものが採用されており、清掃性に優れて清潔感があ
るだけでなく、断熱性、暖かさ、歩行の快適さ、安全
性、強度等に優れた床が知られている。ところが、この
ような床構造では、床衝撃音に対する遮音性能が、カー
ペットを敷設した床に比べて悪く、床上への物の落下時
や靴音の衝撃音が階下に伝播するといった問題が生じて
いる。2. Description of the Related Art In recent years, in a concrete building, especially in an apartment house such as a condominium, a wooden floor finishing material having excellent cleanability and a clean feeling has been frequently used. As a floor structure using a wooden floor finishing material, on a concrete slab, a bonding material composed of mortar dumplings and the like arranged at predetermined intervals in an island shape is provided, and a pressure-resistant semi-rigid The floor lining material and floor finishing material made of foam resin are laid in this order, which is not only excellent in cleanability and cleanliness, but also heat insulation, warmth, walking comfort, safety, Floors excellent in strength and the like are known. However, in such a floor structure, the sound insulation performance against floor impact noise is worse than that of a floor on which carpets are laid, and there is a problem that an impact sound of an object falling on the floor or a shoe sound is transmitted downstairs. .
【０００３】そこで、このような問題を回避して遮音性
に優れた床下地材とするものとして例えば実開平７−３
８４０８号公報には、コンクリート建築物の床構造とし
て図６に示すように、コンクリートスラブ１１の上に、
島状に配された接合材であるモルタル団子１２にて、床
下地材１３が固定され、この床下地材１３の上に、表面
に美粧板を備える床仕上げ材１６が張設されてなり、弾
性を有する第１発泡樹脂体からなる下層１４と、耐圧性
のある第２発泡樹脂体からなる上層１５との積層構造物
である床下地材において、上記下層１４の上面に、下層
１４と上層１５との間に所定の間隙を形成するための凸
部が形成され、この結果上層１５と下層１４との間に
は、クリアランス（間隙）Ａが形成された床下地材が開
示されている。[0003] In order to avoid such a problem and provide a floor base material having excellent sound insulation properties, for example, Japanese Utility Model Laid-Open No. 7-3
No. 8408 discloses a concrete building floor structure on a concrete slab 11 as shown in FIG.
A floor base material 13 is fixed by a mortar dumpling 12 which is a bonding material arranged in an island shape, and a floor finish material 16 having a decorative board on its surface is stretched on the floor base material 13, In a floor base material, which is a laminated structure of a lower layer 14 made of a first foamed resin body having elasticity and an upper layer 15 made of a second foamed resin body having pressure resistance, a lower layer 14 and an upper layer are formed on the upper surface of the lower layer 14. A floor base material in which a clearance (gap) A is formed between the upper layer 15 and the lower layer 14 as a result of forming a convex portion for forming a predetermined gap between the floor base material and the lower layer 14 is disclosed.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、上記公
報に開示される床下地材は上記のような構成とすること
で、床上への物の落下時や靴音等の衝撃音が階下に伝播
することは相当に改善されているもの、住宅・都市整備
公団規格（以下、公団規格という。）において適宜見直
され、厳しくなる遮音規格（平成９年基準）を満足する
ことができない。このような遮音規格はその基準を満た
さなかった測定値が１つでもあれば採用されないことと
されている。また、上記の床下地材の下層を構成する弾
性を有する第１発泡樹脂体を、接合材であるモルタル団
子を介してコンクリートスラブの上に固定するに際し
て、このような弾性を有する発泡体は柔軟であるため、
時として不陸となる虞があった。また、弾性を有する第
１発泡樹脂体に設けたと凸部と耐圧性のある第２発泡樹
脂体とが当接して荷重を受ける構造となっているが故
に、ピアノ等の重量物に対して十分な耐荷重性能を得ら
れない場合があった。However, the floor base material disclosed in the above-mentioned publication has the above-mentioned structure, so that the impact sound such as the falling of an object on the floor and the sound of shoes can be transmitted downstairs. Although it has been considerably improved, it has been reviewed as appropriate in the Housing and Urban Development Corporation Standard (hereinafter referred to as the Public Corporation Standard), and cannot meet the stricter sound insulation standards (1997 standards). Such a sound insulation standard is not adopted if at least one measurement value does not satisfy the standard. Further, when fixing the first foamed resin body having elasticity that constitutes the lower layer of the floor base material to a concrete slab via a mortar dumpling as a joining material, the foamed body having such elasticity is flexible. Because
At times, there was a risk of becoming uneven. Further, since the first foamed resin body having elasticity has a structure in which the convex portion and the second foamed resin body having pressure resistance come into contact with each other and receive a load, the first foamed resin body is sufficient for a heavy object such as a piano. In some cases, it was not possible to obtain excellent load-bearing performance.
【０００５】[0005]
【課題を解決するための手段】上記課題を解決するため
に、本発明の床下地材は、耐圧性を有する合成樹脂発泡
体からなる下層部材及び上層部材の間に、弾性を有する
繊維材からなる中間層部材を積層した構造の床下地材で
あって、上層部材の下面及び／又は下層部材の上面には
少なくとも１つの凹部が設けられることで、上層部材の
下面及び／又は下層部材の上面と中間層部材とが部分的
に当接するよう構成されていることを特徴としている。In order to solve the above-mentioned problems, a floor base material according to the present invention comprises a fiber material having elasticity between a lower layer member and an upper layer member made of a synthetic resin foam having pressure resistance. A floor base material having a structure in which intermediate layer members are laminated, wherein at least one concave portion is provided on the lower surface of the upper layer member and / or the upper surface of the lower layer member, whereby the lower surface of the upper layer member and / or the upper surface of the lower layer member are provided. And the intermediate layer member is configured to partially contact with each other.
【０００６】したがって、本発明の床下地材をコンクリ
ート建築物の床構造に使用することで、遮音性能を低下
させることなく、床下地材の厚みの変化量を小さくする
ことができ、重い家具類を載置した場合の床の撓みを低
減することができる。加えて、本発明は簡単な構成の床
下地材であって、断熱性、暖かさ、歩行の快適さ、安全
性に優れると共に、床衝撃音に対する遮音性が高く、か
つ、耐荷重性能に優れた変形し難いコンクリート建築物
の床構造を実現することが可能となる。Therefore, by using the flooring material of the present invention for the floor structure of a concrete building, the amount of change in the thickness of the flooring material can be reduced without lowering the sound insulation performance, and heavy furniture and the like can be used. Can be reduced when the floor is placed. In addition, the present invention is a floor base material having a simple structure, and has excellent heat insulation, warmth, walking comfort and safety, high sound insulation against floor impact noise, and excellent load bearing performance. It is possible to realize a floor structure of a concrete building that is difficult to deform.
【０００７】本発明の床下地材は、耐圧性を有する合成
樹脂発泡体からなる下層部材及び上層部材の間に、弾性
を有する繊維材からなる中間層部材を積層した積層構造
を有してなり、前記床下地材を構成する耐圧性を有する
合成樹脂発泡体からなる下層部材及び上層部材には、発
泡ポリスチレンやポリオレフィン系樹脂等の発泡成形体
を使用することができる。The floor base material of the present invention has a laminated structure in which an intermediate layer member made of an elastic fiber material is laminated between a lower layer member made of a synthetic resin foam having pressure resistance and an upper layer member. As the lower layer member and the upper layer member made of a pressure-resistant synthetic resin foam constituting the floor base material, a foam molded article such as expanded polystyrene or a polyolefin resin can be used.
【０００８】これらの発泡ポリスチレン樹脂として、例
えば、スチレンまたはメチルスチレンの単独重合体、お
よびスチレン−無水マレイン酸、スチレン−アクリロニ
トリル、スチレン−メチルメタクリレート共重合体等の
樹脂や、エチレンまたはプロピレンの単独重合体、およ
びエチレン−プロピレン、エチレン−酢酸ビニル共重合
体等のポリオレフィン系樹脂等を挙げることができる。As these expanded polystyrene resins, for example, resins such as styrene or methylstyrene homopolymers, styrene-maleic anhydride, styrene-acrylonitrile, styrene-methyl methacrylate copolymer and the like, and ethylene or propylene homopolymers And polyolefin-based resins such as ethylene-propylene and ethylene-vinyl acetate copolymers.
【０００９】これらの樹脂に、ブタン、ペンタン等の発
泡剤を含有させて得た発泡性樹脂粒子を予備発泡し、さ
らに、これを成形型内に充填し、加熱蒸気により発泡成
形する、いわゆるビーズ成形により容易に発泡成形体を
得ることができる。本発明の下層部材と上層部材を構成
する耐圧性を有する合成樹脂発泡体としては、適度な固
さを有し、歩行時の快適性を約束すると共に、長期荷重
によるひずみが発生し難く、従来から床下地材として利
用されている、例えば密度２５〜３０ｋｇ／ｍ3の半硬
質の発泡ポリスチレン樹脂が好ましく使用できる。So-called beads are obtained by pre-expanding expandable resin particles obtained by adding a foaming agent such as butane or pentane to these resins, filling the resultant into a molding die, and foam-forming with heated steam. A foam molded article can be easily obtained by molding. The pressure-resistant synthetic resin foam constituting the lower layer member and the upper layer member of the present invention has an appropriate hardness, ensures comfort during walking, and is unlikely to be distorted by a long-term load. For example, a semi-rigid expanded polystyrene resin having a density of 25 to 30 kg / m 3 , which is used as a floor covering material, can be preferably used.
【００１０】また、中間層部材３を構成する弾性を有す
る繊維材として、例えば、ポリエチレン繊維製の不織
布、ガラス繊維等を挙げることができ、特にポリエチレ
ン繊維製の不織布が長期耐過重性、耐久性、加工性、価
格の点から好ましい。The elastic fiber material constituting the intermediate layer member 3 may be, for example, a nonwoven fabric made of polyethylene fiber, a glass fiber, or the like. In particular, a nonwoven fabric made of polyethylene fiber is preferably used for long-term overload resistance and durability. It is preferable from the viewpoint of workability and cost.
【００１１】本発明の床下地材を構成する耐圧性を有す
る合成樹脂発泡体からなる上層部材の下面及び／又は下
層部材の上面、すなわち弾性を有する繊維材からなる中
間層部材と接する面側には少なくとも１つの凹部が設け
られており、上層部材の下面及び／又は下層部材の上面
と中間層部材とが部分的に当接するよう構成されてい
る。このように、上層部材の下面及び／又は下層部材の
上面と中間層部材とが部分的に当接、すなわち上層部材
下面及び／又は下層部材の上面の受圧面積を適宜調整し
て、床下地材に適宜空所を設ける構成とすることで、床
衝撃音に対する優れた遮音性に加え、重量物に対する優
れた耐荷重性を発揮することができる。このような、上
層部材下面及び／又は下層部材の上面の受圧面積として
は、約５０〜７０％が好ましく、遮音性能の点と耐荷重
性能の点から約５０〜６０％がより好ましい。また、本
発明の上層部材の上面には床仕上げ材を釘打ちや接着し
て取り付ける固定するための棧木を設けることができ
る。The lower surface of the upper layer member made of synthetic resin foam having pressure resistance and / or the upper surface of the lower layer member constituting the floor base material of the present invention, that is, the surface side in contact with the intermediate layer member made of elastic fiber material. Is provided with at least one concave portion, and is configured such that the lower surface of the upper layer member and / or the upper surface of the lower layer member partially contact the intermediate layer member. As described above, the lower surface of the upper layer member and / or the upper surface of the lower layer member partially contact the intermediate layer member, that is, the pressure receiving area of the lower surface of the upper layer member and / or the upper surface of the lower layer member is appropriately adjusted, and By providing a space as appropriate, it is possible to exhibit not only excellent sound insulation against floor impact noise, but also excellent load resistance to heavy objects. The pressure receiving area of the lower surface of the upper member and / or the upper surface of the lower member is preferably about 50 to 70%, and more preferably about 50 to 60% from the viewpoint of sound insulation performance and load bearing performance. In addition, on the upper surface of the upper layer member of the present invention, a arbor for fixing the floor finishing material by nailing or bonding can be provided.
【００１２】[0012]
【発明実施の形態】本発明について、以下図面に基づい
て説明する。本発明にかかるコンクリート建築物の床構
造は、図１に示すように、コンクリートスラブ１００の
上に、島状に配された接合材であるモルタル団子２００
にて、床下地材が固定され、この床下地材１の上に、表
面に美粧板を備える床仕上げ材３００が張設されてな
る。このような床構造をマンション等のコンクリート建
築物に適用する際は、居住者が圧迫感を受けないように
室内の容積を確保する必要がある。そのため、コンクリ
ートスラブ１００の上面から床仕上げ材３００の上面ま
での高さは、通常のマンション建築では１００ｍｍ以
内、天井の高いコンクリート建築物では１５０ｍｍ以内
となるように、モルタル団子２００、床下地材１、及び
床仕上げ材３００の各厚さ寸法が適宜設定されている。DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings. As shown in FIG. 1, the floor structure of a concrete building according to the present invention is a mortar dumpling 200 which is a bonding material arranged in an island shape on a concrete slab 100.
, A floor covering material is fixed, and a floor finishing material 300 having a decorative board on its surface is stretched over the floor covering material 1. When applying such a floor structure to a concrete building such as a condominium, it is necessary to secure the volume of the room so that the occupants do not feel pressure. Therefore, the height from the upper surface of the concrete slab 100 to the upper surface of the floor finishing material 300 is within 100 mm for a normal condominium building and 150 mm or less for a concrete building with a high ceiling. , And the thickness dimension of the floor covering material 300 are appropriately set.
【００１３】本発明の床下地材１は、耐圧性を有する合
成樹脂発泡体からなる下層部材２及び上層部材３の間
に、弾性を有する繊維材からなる中間層部材４を積層し
た積層構造を有している。図１において、下層部材２は
密度約２５Ｋｇ／ｍ3の発泡ポリスチレン樹脂製の厚み
が約１０ｍｍの板状部材からなる。また、上層部材３は
下層部材２と同部材からなる最大厚みが約６５ｍｍの板
状部であって、その下面には複数の凹部３１，３１・・
が設けられて、上層部材３の下面と中間層部材４とが部
分的に当接するよう構成されてなる。本発明の床下地材
は、図１のような構成以外に、下層部材を図１に示した
ような上層部材３と同様の形状とし、これを上下逆に積
層して使用することもできる。また、図１に示した形状
ものを下層部材として使用した場合には、上層部材を図
１に示した下層部材２と同様の形状として使用すること
もできる。The floor substrate 1 of the present invention has a laminated structure in which an intermediate layer member 4 made of an elastic fiber material is laminated between a lower layer member 2 and an upper layer member 3 made of synthetic resin foam having pressure resistance. Have. In FIG. 1, the lower layer member 2 is a plate-like member made of expanded polystyrene resin having a density of about 25 kg / m 3 and having a thickness of about 10 mm. Further, the upper layer member 3 is a plate-like portion made of the same member as the lower layer member 2 and having a maximum thickness of about 65 mm, and has a plurality of recesses 31 on its lower surface.
Is provided, so that the lower surface of the upper layer member 3 and the intermediate layer member 4 are partially in contact with each other. In addition to the configuration as shown in FIG. 1, the floor base material of the present invention can be used by forming the lower layer member in the same shape as the upper layer member 3 as shown in FIG. When the shape shown in FIG. 1 is used as the lower layer member, the upper layer member can be used in the same shape as the lower layer member 2 shown in FIG.
【００１４】このような下層部材２、中間層部材４及び
上層部材３の具体的な外形寸法は、用途に応じて適宜設
定されるものであるが、短辺の寸法約５００〜７００ｍ
ｍ、長辺の寸法約７００〜１０００ｍｍ程度とされる。
図２には上層部材３を下から見た平面図を示した。本発
明では、この図２に示した上層部材３の下面は中間層部
材４と部分的に当接している。また、中間層部材４と部
分的に当接している上層部材３の下面の面積、すなわち
上層部材３下面の受圧面積は約６０％となるように設計
してある。なお、図２中の斜線部は上層部材３の下面の
受圧部分を表す。また、図３には上層部材３下面の受圧
面積を約５０％に変更した例を示し、図４は上層部材３
下面の受圧面積を約４０％に変更した例と示す。なお、
図中の斜線部は上層部材３の下面の受圧部分を表すのは
図３と同様である。The specific external dimensions of the lower layer member 2, the intermediate layer member 4 and the upper layer member 3 are appropriately set according to the application, but the dimension of the short side is about 500 to 700 m.
m, the dimension of the long side is about 700 to 1000 mm.
FIG. 2 is a plan view of the upper layer member 3 as viewed from below. In the present invention, the lower surface of the upper layer member 3 shown in FIG. Further, the area of the lower surface of the upper layer member 3 that is partially in contact with the intermediate layer member 4, that is, the pressure receiving area of the lower surface of the upper layer member 3 is designed to be about 60%. The hatched portion in FIG. 2 represents a pressure receiving portion on the lower surface of the upper layer member 3. FIG. 3 shows an example in which the pressure receiving area on the lower surface of the upper layer member 3 is changed to about 50%, and FIG.
An example is shown in which the pressure receiving area on the lower surface is changed to about 40%. In addition,
The hatched portion in the figure represents the pressure receiving portion on the lower surface of the upper layer member 3 as in FIG.
【００１５】図５には上層部材３を上から見た平面図と
側面図とを示した。図５に示すように、上層部材３の上
面には、床仕上げ材を釘打ちや接着して取り付け固定す
るための棧木３２を設けてある。FIG. 5 shows a plan view and a side view of the upper layer member 3 as viewed from above. As shown in FIG. 5, on the upper surface of the upper layer member 3, there is provided a ridge 32 for attaching and fixing the floor finishing material by nailing or bonding.
【００１６】次に、本発明の床下地材１を使用して、遮
音性能の測定、耐荷重性の測定を行った。床下地材とし
ては、下層部材として、その密度が２５ｋｇ／ｍ3のス
チレン樹脂製発泡成形体、上層部材は、その密度が２５
ｋｇ／ｍ3のスチレン樹脂製発泡成形体、また、中間層
部材は繊維の太さ６デニール、繊維長さ５１ｍｍで、厚
み１０ｍｍ、重量９００ｇ／ｍ3のポリエステル繊維製
の不織布を使用した。また、上層部材の下面には、中間
層部材と部分的に当接するように複数の凹部を設け、こ
の凹部の面積を変えて、すなわち上層部材の受圧面積が
４０〜１００％となるように変えて上記の測定を行った
（ただし、受圧面積が１００％とは上層部材の下面に全
く凹部が設けられていないことを意味する）。得られた
結果を表１に示す。Next, the sound insulation performance and the load resistance were measured using the floor substrate 1 of the present invention. As a floor base material, as a lower layer member, a styrene resin foam molded article having a density of 25 kg / m 3 , and as an upper layer member, a density of 25 kg / m 3 is used.
A foamed molded article made of styrene resin of kg / m 3 , and a non-woven fabric made of polyester fiber having a fiber thickness of 6 denier, a fiber length of 51 mm, a thickness of 10 mm, and a weight of 900 g / m 3 was used for the intermediate layer member. A plurality of recesses are provided on the lower surface of the upper layer member so as to partially contact the intermediate layer member, and the area of the recess is changed, that is, the pressure receiving area of the upper layer member is changed to 40 to 100%. The above measurement was carried out (however, 100% of the pressure receiving area means that no concave portion is provided on the lower surface of the upper layer member). Table 1 shows the obtained results.
【００１７】[0017]
【表１】 [Table 1]
【００１８】また、中間層部材として繊維の太さ２デニ
ール、繊維長さ５１ｍｍで、厚み５ｍｍ、重量４５０ｇ
／ｍ3のポリエステル繊維製の不織布、を使用した以外
は上記と同様の方法で、遮音性能の測定、耐荷重性の測
定を行った。得られた結果を表１に示す。さらに、中間
層部材を使用しないで、上記の上層部材と下層部材とを
積層し床下地材を使用して遮音性能の測定、耐荷重性の
測定を行った。得られた結果を表１に示すThe intermediate layer member has a fiber thickness of 2 denier, a fiber length of 51 mm, a thickness of 5 mm, and a weight of 450 g.
The sound insulation performance and the load resistance were measured in the same manner as described above except that a nonwoven fabric made of a polyester fiber having a thickness of / m 3 was used. Table 1 shows the obtained results. Furthermore, the above-mentioned upper layer member and lower layer member were laminated without using the intermediate layer member, and the sound insulation performance and the load resistance were measured using a floor base material. Table 1 shows the obtained results.
【００１９】ただし、遮音性能の測定、及び耐荷重性能
の測定は下記の方法によって行った。 １．遮音性能の測定方法 ＪＩＳ Ａ １４１８に準じて、建築物の現場における
床仕上材あり・なしの床衝撃音レベル測定値から、両者
の差をとって床衝撃音レベル改善量（単位：デシベル）
を求めた。また、測定建物として、鉄筋コンクリート造
（コンクリートスラブの厚さ１５０ｍｍ）を使用した。However, the measurement of the sound insulation performance and the measurement of the load bearing performance were performed by the following methods. 1. Measurement method of sound insulation performance According to JIS A 1418, floor impact sound level improvement (unit: decibel) by taking the difference between floor impact sound level measurement values with and without floor finishing material at the building site and taking the difference between them
I asked. In addition, a reinforced concrete structure (concrete slab thickness 150 mm) was used as a measurement building.
【００２０】２．耐荷重性の測定方法 耐荷重性については、上記の遮音性能の測定に用いた試
験体と同じ試験体を用いて、試験体の弱い部分に、試験
体に直径８ｃｍの加圧板（球座付）を介して、局部的荷
重を加えることで測定した。なお、加力箇所は、床の支
持間中央部及び下地材中央部とした、加力方法は繰り返
し加力によるものとし、繰り返し荷重は２００ｋｇｆ及
び４００ｋｇｆの２段階として、各段階に達した後除圧
した。加力及び減力ピッチは５０ｋｇｆとした。測定を
加力及び減力ピッチ毎の上下方向の変位、除圧後５分後
の上下方向の残留変位について行い、変位測定位置は、
各加力箇所の加力点近傍の床仕上げ面とした。2. Method for measuring load resistance The load resistance was measured using the same test specimen as that used for the measurement of the sound insulation performance described above, and using a pressure plate (with a ball seat) with a diameter of 8 cm on the weak part of the test specimen. ) Was applied by applying a local load. The load was applied at the center between the supports of the floor and the center of the base material. The load was applied repeatedly, and the load was repeated in two stages of 200 kgf and 400 kgf. Pressed. The force and the reduction pitch were set to 50 kgf. The measurement is performed on the vertical displacement for each force and deceleration pitch, and the vertical residual displacement 5 minutes after depressurization.
Floor finished surfaces near the applied points at each applied point were used.
【００２１】また、遮音性能の測定、耐荷重性能の測定
結果をもとに次の基準にて評価した。 １．遮音性能の評価 公団規格の軽量床衝撃音レベルの改善量、及び重量床衝
撃音レベルの改善量をすべて満足するものを○、１つで
も外れるものを含む場合は×とした。 ２．耐荷重性能の評価 局部曲げ荷重４００ｋｇｆ時の変位が１２．５ｍｍ以下
であるものを○、１２．５ｍｍより大きいものを×とし
た。The following criteria were used for evaluation based on the results of the measurement of the sound insulation performance and the load-bearing performance. 1. Evaluation of Sound Insulation Performance The results satisfying all of the improvement level of the lightweight floor impact sound level and the improvement level of the heavy floor impact sound level specified by the Public Corporation Standard were evaluated as ○, and the case where at least one of them was out of order was evaluated as x. 2. Evaluation of load-bearing performance: A sample having a displacement of 12.5 mm or less at a local bending load of 400 kgf was evaluated as ○, and a sample larger than 12.5 mm was evaluated as ×.
【００２２】[0022]
【発明の効果】上述したように、本発明の床下地材は簡
単な構成であって、しかも遮音性能を向上させると同時
に、床下地材の厚みの変化量を小さくすることができ、
重い家具類を載置した場合の床の撓みを低減することが
できる。したがって、断熱性、暖かさ、歩行の快適さ、
安全性に優れると共に、床衝撃音に対する遮音性が高
く、かつ、耐荷重性に優れた変形し難いコンクリート建
築物の床構造を実現することが可能となる。As described above, the flooring material of the present invention has a simple structure, and at the same time, can improve the sound insulation performance and reduce the amount of change in the thickness of the flooring material.
The floor deflection when heavy furniture is placed can be reduced. Therefore, insulation, warmth, walking comfort,
It is possible to realize a floor structure of a concrete building which is excellent in safety, has high sound insulation against floor impact noise, and has excellent load resistance and is not easily deformed.
【図１】本発明のコンクリート建築物の床構造の要部断
面図。FIG. 1 is a sectional view of a main part of a floor structure of a concrete building according to the present invention.
【図２】本発明の床下地材を構成する上層部材を下から
見た平面図。FIG. 2 is a plan view of an upper layer member constituting the floor base material of the present invention as viewed from below.
【図３】本発明の床下地材を構成する上層部材の他の例
を下から見た平面図。FIG. 3 is a plan view of another example of the upper layer member constituting the floor covering material of the present invention as viewed from below.
【図４】本発明の床下地材を構成する上層部材の別の例
を下から見た平面図。FIG. 4 is a plan view of another example of the upper layer member constituting the floor covering material of the present invention as viewed from below.
【図５】本発明の床下地材を構成する上層部材を上から
見た平面図。FIG. 5 is a plan view of an upper layer member constituting the floor base material of the present invention as viewed from above.
【図６】コンクリート建築物の床構造の従来例の要部断
面図。FIG. 6 is a sectional view of a main part of a conventional example of a floor structure of a concrete building.
１：床下地材 ２：下層部材 ３：上層部材
３１：凹部 ４：中間層部材 １００：コンクリートスラブ ２００：モルタル団子（接合材） ３００：床仕上
げ材1: Floor base material 2: Lower layer member 3: Upper layer member
31: concave portion 4: middle layer member 100: concrete slab 200: mortar dumpling (joining material) 300: floor finishing material
Claims (2)
下層部材及び上層部材の間に、弾性を有する繊維材から
なる中間層部材を積層した構造の床下地材であって、上
層部材の下面及び／又は下層部材の上面には少なくとも
１つの凹部が設けられることで、上層部材の下面及び／
又は下層部材の上面と中間層部材とが部分的に当接する
よう構成されていることを特徴とする床下地材。1. A floor base material having a structure in which an intermediate layer member made of a fibrous material having elasticity is laminated between a lower layer member made of a synthetic resin foam having pressure resistance and an upper layer member, wherein a lower surface of the upper layer member is provided. And / or by providing at least one concave portion on the upper surface of the lower layer member, the lower surface of the upper layer member and / or
Alternatively, a floor base material, wherein the upper surface of the lower layer member and the intermediate layer member are configured to partially contact each other.
トスラブの上に接合材を用いて固着された床下地材と、
この床下地材の上に張設された床仕上げ材とからなり、
上記床下地材が、上記請求項１記載の床下地材であるこ
とを特徴とするコンクリート建築物の床構造。2. A concrete slab, a floor base material fixed on the concrete slab by using a bonding material,
It consists of a floor finishing material stretched on this floor base material,
The floor structure of a concrete building, wherein the floor base material is the floor base material according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11998997A JPH10311134A (en) | 1997-05-09 | 1997-05-09 | Floor substrate member and floor construction of concrete building using the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11998997A JPH10311134A (en) | 1997-05-09 | 1997-05-09 | Floor substrate member and floor construction of concrete building using the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH10311134A true JPH10311134A (en) | 1998-11-24 |
Family
ID=14775156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11998997A Pending JPH10311134A (en) | 1997-05-09 | 1997-05-09 | Floor substrate member and floor construction of concrete building using the same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH10311134A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6944122B2 (en) | 1998-05-26 | 2005-09-13 | Matsushita Electric Industrial Co., Ltd. | Modulator, demodulator, and transmission system for use in OFDM transmission |
-
1997
- 1997-05-09 JP JP11998997A patent/JPH10311134A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6944122B2 (en) | 1998-05-26 | 2005-09-13 | Matsushita Electric Industrial Co., Ltd. | Modulator, demodulator, and transmission system for use in OFDM transmission |
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