JP2015137449A - Double-floor building structure for housing complex - Google Patents

Double-floor building structure for housing complex Download PDF

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JP2015137449A
JP2015137449A JP2014007746A JP2014007746A JP2015137449A JP 2015137449 A JP2015137449 A JP 2015137449A JP 2014007746 A JP2014007746 A JP 2014007746A JP 2014007746 A JP2014007746 A JP 2014007746A JP 2015137449 A JP2015137449 A JP 2015137449A
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floor
girder
support
height
double
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JP6325822B2 (en
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大脇　雅直
Masanao Owaki
雅直 大脇
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Kumagai Gumi Co Ltd
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Abstract

PROBLEM TO BE SOLVED: To provide a double-floor building structure for a housing complex that allows the building height to be used effectively.SOLUTION: A girder 14 supports a floor slab 11 so that the upper surface of the floor slab 11 is situated below that of the girder 14 by a preset length k, and the girder 14 is arranged in such a way that its upper surface comes closer to the lower surface of a flooring material 12 by the preset length k, while a first floor support 20 is disposed between the floor slab 11 and the flooring material 12 and a second floor support (a short floor support) 30 with a height shorter than that of the first floor support 20 by the preset length k is disposed between the girder 14 and the flooring material 12. The configuration lowers the floor height of the housing complex building by k, at the same time reducing vibration of the flooring material 12 at the end on the girder 14 side.

Description

本発明は、二重床構造を有する集合住宅の建物構造に関するものである。   The present invention relates to a building structure of an apartment house having a double floor structure.

近年、集合住宅の各種建造物においては、基礎床上に防振部材を備えた床支持具を複数個配置し、これらの床支持具上に複数の床板を積層して成る二重床構造が多く採用されている。
このような二重床構造においては、図５に示すように、基礎床である床スラブ１１上にクッション性を有する防振材２０ａを備えた複数の床支持具２０を配置し、これら床支持具２０の上に、台座２０ｃを介して、複数の板を積層して成る床材１２を配置するとともに、床材１２と壁４との間に２ｍｍ程度の空気連通路（隙間）１２ｓを設けることで、床材１２に衝撃が加わった際に発生する振動を低減するようにしている（例えば、特許文献１参照）。 In recent years, in various buildings of apartment houses, there are many double floor structures in which a plurality of floor supports equipped with vibration-proof members are arranged on the foundation floor and a plurality of floor boards are laminated on these floor supports. It has been adopted.
In such a double floor structure, as shown in FIG. 5, a plurality of floor supports 20 including a vibration isolating material 20 a having cushioning properties are arranged on a floor slab 11 which is a basic floor, and these floor supports are provided. A floor material 12 formed by laminating a plurality of plates is disposed on the tool 20 via a pedestal 20c, and an air communication path (gap) 12s of about 2 mm is provided between the floor material 12 and the wall 4. Thus, vibration generated when an impact is applied to the flooring 12 is reduced (see, for example, Patent Document 1).

特開２０００−１０４３９３号公報JP 2000-104393 A

ところで、集合住宅においては、建物高さを有効に使用することが望まれている。すなわち、建物高さ及び室内高さを変えることなく、階数を増加させることができれば、建物高さを有効に使用することができる。
しかしながら、床スラブの厚さを薄くすることは、強度上好ましくない。
また、床材と床スラブとの間隔を短くすることも考えられるが、床材と床スラブとの間には、排水管などの配管を配置する必要があるので、床材と床スラブとの間隔（床仕上げ高さ）を、現行の間隔（１３０ｍｍ程度）よりも短くすることは困難である。 By the way, in an apartment house, it is desired to use the building height effectively. That is, if the number of floors can be increased without changing the building height and the room height, the building height can be used effectively.
However, it is not preferable in terms of strength to reduce the thickness of the floor slab.
In addition, it is conceivable to shorten the interval between the flooring and the floor slab, but it is necessary to arrange a pipe such as a drain pipe between the flooring and the floor slab. It is difficult to make the interval (floor finish height) shorter than the current interval (about 130 mm).

本発明は、上記問題点に鑑みてなされたもので、二重床構造を有する集合住宅において、建物高さを有効に使用することができる建物構造を提供することを目的とする。   This invention is made | formed in view of the said problem, and it aims at providing the building structure which can use building height effectively in the apartment house which has a double floor structure.

本発明は、大梁により支持された基礎床上に防振部材を備えた床支持具を複数個配置し、前記床支持具上に複数の床板から成る床材を配置するとともに、前記床材と壁面との間に所定の隙間を設けて成る二重床構造を有する集合住宅の建物構造であって、前記大梁は、前記基礎床の上面を当該大梁の上面よりも予め設定した長さだけ下方に位置するように前記基礎床を支持し、かつ、前記大梁は、上面が前記予め設定した長さだけ前記床材の下面側に近づくように配置され、前記大梁と前記床材との間には、前記床支持具の高さよりも前記予め設定した長さ寸法だけ高さの低い短型床支持具が配置されていることを特徴とする。
これにより、建物高さ及び室内高さを変えることなく、集合住宅の１階あたりの高さを予め設定した長さだけ短くできるので、建物高さを有効に使用することができる。
また、大梁と床材との間に短型床支持具を配置することで、大梁側においても床材を確実に床支持具で支持できるようにしたので、遮音性能の低下を防止できる。 In the present invention, a plurality of floor supports provided with vibration isolation members are disposed on a foundation floor supported by a large beam, a floor material composed of a plurality of floor boards is disposed on the floor support, and the floor material and the wall surface are disposed. The building structure of an apartment house having a double floor structure with a predetermined gap between the upper surface of the main beam and the upper surface of the foundation floor below the upper surface of the main beam by a preset length. The foundation floor is supported so as to be positioned, and the girder is arranged so that the upper surface approaches the lower surface side of the floor material by the preset length, and between the girder and the floor material A short floor support having a height lower than the height of the floor support by the preset length dimension is disposed.
Accordingly, the height per floor of the apartment house can be shortened by a preset length without changing the building height and the indoor height, so that the building height can be used effectively.
Further, by arranging the short floor support between the large beam and the floor material, the floor material can be reliably supported by the floor support even on the large beam side, so that the sound insulation performance can be prevented from being lowered.

また、本発明は、前記短型床支持具が、基礎床上に設置される防振ゴムと、外周面に雄ネジが形成された前記防振ゴムに立設されるネジ部材と、前記ネジ部材が螺入されるネジ穴を有し、前記床材の下面に当接する台座とを備え、前記台座の前記防振ゴム側には、前記防振ゴムが収納可能な凹部が設けられていることを特徴とする。
このような構成の短型床支持具を用いれば、防振部材である防振ゴムの一部が台座中に収納された状態で床材を支持できるので、大梁と床材との間隔が短くても、床材を確実に支持することができる。 Further, according to the present invention, the short floor support includes an anti-vibration rubber installed on a foundation floor, a screw member erected on the anti-vibration rubber having an external thread formed on an outer peripheral surface, and the screw member. And a pedestal that contacts the lower surface of the flooring, and a dent for accommodating the anti-vibration rubber is provided on the anti-vibration rubber side of the pedestal. It is characterized by.
By using the short floor support device having such a configuration, the floor material can be supported in a state in which a part of the vibration isolating rubber as the vibration isolating member is stored in the pedestal, so that the distance between the large beam and the floor material is short. However, the flooring can be reliably supported.

なお、前記発明の概要は、本発明の必要な全ての特徴を列挙したものではなく、これらの特徴群のサブコンビネーションもまた、発明となり得る。   The summary of the invention does not list all necessary features of the present invention, and sub-combinations of these feature groups can also be the invention.

本実施の形態に係る二重床構造を有する集合住宅の建物構造の一例を示す図である。It is a figure which shows an example of the building structure of the apartment house which has a double floor structure concerning this Embodiment. 本実施の形態に係る二重床の支持構造を示す要部断面図である。It is principal part sectional drawing which shows the support structure of the double floor which concerns on this Embodiment. 床支持具の一例を示す図である。It is a figure which shows an example of a floor support tool. 本発明の建物構造を有する集合住宅を示す図である。It is a figure which shows the apartment house which has the building structure of this invention. 従来の二重床の支持構造を示す要部断面図である。It is principal part sectional drawing which shows the support structure of the conventional double floor.

図１（ａ），（ｂ）は、二重床構造を有する集合住宅の建物１の一例を示す図で、（ａ）図は平面図、（ｂ）図は（ａ）図のＡ−Ａ断面図である。
本例では、集合住宅の建物１を、複数の住居２が吹抜３の周囲を取り囲む構成とした。同図において、４は各住居２を区切る壁、５は共同廊下、６は住居２毎に設けられるベランダ、７は階段、８はエレベータホール、９ａ〜９ｃはエレベータである。
建物１は、図２にも示すように、基礎床としての床スラブ１１と、住居内の床を構成する床材１２と、床スラブ１１と床材１２との間に複数個配置される、第１及び第２の床支持具２０，３０とから構成される二重床構造１０を有する。第１及び第２の床支持具２０，３０の詳細については、後述する。第１の床支持具２０が従来と同じ長さを有する床支持具で、第２の床支持具３０が、本発明の短型床支持具に相当する、長さが第１の床支持具２０よりも短い床支持具である。
床スラブ１１は、柱１３を支持する大梁１４により支持される。
床材１２は、下地板としてのパーティクルボード１２ａと、補強板としての合板１２ｂと、仕上げ板としてのフローリング１２ｃとを積層して形成される。
また、住居２内には、天井板１５と間仕切り壁１６とが設けられている。
天井板１５は、野縁１７ａ、野縁受け１７ｂ、野縁受け取付金具１７ｃ等の天井支持部材１７を介して、上階の床スラブ１１の下面側に支持される（図２参照）。間仕切り壁１６は、当該住居２をリビング２ａ、洋間２ｂ、洗面所２ｃ、浴室２ｄなど複数の居室に区画する（図１（ａ）参照）。 Drawing 1 (a) and (b) is a figure showing an example of building 1 of an apartment house which has a double floor structure, (a) figure is a top view and (b) figure is AA of figure (a). It is sectional drawing.
In this example, the building 1 of the apartment house has a configuration in which a plurality of residences 2 surround the perforations 3. In the figure, 4 is a wall separating each residence 2, 5 is a common corridor, 6 is a veranda provided for each residence 2, 7 is a staircase, 8 is an elevator hall, and 9a to 9c are elevators.
As shown in FIG. 2, the building 1 is arranged between a floor slab 11 as a foundation floor, a floor material 12 constituting a floor in a residence, and a plurality of the floor slab 11 and the floor material 12. It has the double floor structure 10 comprised from the 1st and 2nd floor supports 20,30. Details of the first and second floor supports 20, 30 will be described later. The first floor support 20 is a floor support having the same length as the conventional one, and the second floor support 30 corresponds to the short floor support of the present invention, and the length is the first floor support. Floor support shorter than 20.
The floor slab 11 is supported by a large beam 14 that supports the column 13.
The flooring 12 is formed by laminating a particle board 12a as a base plate, a plywood 12b as a reinforcing plate, and a flooring 12c as a finishing plate.
Further, a ceiling plate 15 and a partition wall 16 are provided in the residence 2.
The ceiling board 15 is supported on the lower surface side of the floor slab 11 on the upper floor via a ceiling support member 17 such as a field edge 17a, a field edge receiver 17b, and a field edge receiver mounting bracket 17c (see FIG. 2). The partition wall 16 partitions the house 2 into a plurality of rooms such as a living room 2a, a western room 2b, a washroom 2c, and a bathroom 2d (see FIG. 1A).

次に、本発明における二重床構造１０と、第１及び第２の床支持具２０，３０の詳細について説明する。
図２に示すように、本例の大梁１４は、上面が予め設定した長さｋだけ床材１２の下面側に近づくように配置されている。また、大梁１４は、床スラブ１１の上面が、大梁１４の上面よりも上記長さｋと同じだけ下方に位置するように床スラブ１１を支持している。
これにより、上階の床スラブ１１の下面と下階の天井板１５の上面との間隔は、大梁１４の上面と床スラブ１１の上面とが同一平面にある場合の床スラブ１１の下面と天井板１５の上面との間隔Ｄcよりも上記ｋだけ短くなる。
本例では、ｋ＝５０ｍｍとした。また、床材１２の下面と床スラブ１１との間隔をＤaとすると、床材１２と床スラブ１１との間には、排水管などの配管などを配置する空間が必要なので、間隔Ｄaを現行の間隔と同じく、Ｄa＝１３０ｍｍとした。 Next, the details of the double floor structure 10 and the first and second floor supports 20 and 30 in the present invention will be described.
As shown in FIG. 2, the girder 14 of this example is arranged such that the upper surface approaches the lower surface side of the flooring 12 by a preset length k. Further, the large beam 14 supports the floor slab 11 so that the upper surface of the floor slab 11 is positioned below the upper surface of the large beam 14 by the same length k.
Thus, the distance between the lower surface of the upper floor slab 11 and the upper surface of the lower floor ceiling plate 15 is such that the upper surface of the large beam 14 and the upper surface of the floor slab 11 are flush with the lower surface of the floor slab 11 and the ceiling. The distance k is shorter than the distance D c from the upper surface of the plate 15.
In this example, k = 50 mm. Further, when the distance between the lower surface and the floor slab 11 of the floor material 12 and D a, between the flooring 12 and the floor slab 11, the space is required to place the piping, such as drainage pipes, distance D a As with the current spacing, D a = 130 mm.

図５に示すような従来の二重床構造では、大梁１４の上面と床スラブ１１の上面とは同一平面にあるので、床材１２の下面と床スラブ１１の上面との間隔も、床材１２の下面と大梁１４の上面との間隔も、ともにＤaである。これに対して、本例では、床材１２の下面と床スラブ１１の上面との間隔はＤaであるが、床材１２の下面と大梁１４の上面との間隔は（Ｄa−ｋ）と、従来よりも狭くなる。したがって、従来の床支持具（第１の床支持具２０）では、床材１２の大梁１４側の端部を支持できない。
そこで、本例では、床材１２の床スラブ１１の直上にある部分を第１の床支持具２０で支持するとともに、大梁１４側の端部を、短型床支持具である第２の床支持具３０により支持することで、床材１２を支持するようにしている。 In the conventional double floor structure as shown in FIG. 5, since the upper surface of the large beam 14 and the upper surface of the floor slab 11 are in the same plane, the distance between the lower surface of the floor material 12 and the upper surface of the floor slab 11 is also different. distance between the upper surface of the lower surface and the girder 14 of 12 also, are both D a. In contrast, in the present example, the interval between the upper surface of the lower surface and the floor slab 11 of flooring 12 is D a, the distance between the upper surface of the lower surface and the girder 14 of the flooring 12 (D a -k) And it becomes narrower than before. Therefore, the conventional floor support (first floor support 20) cannot support the end portion of the flooring 12 on the large beam 14 side.
Therefore, in this example, the portion of the flooring 12 that is directly above the floor slab 11 is supported by the first floor support 20 and the end on the large beam 14 side is the second floor that is a short floor support. The flooring 12 is supported by being supported by the support tool 30.

第１の床支持具２０は、図３（ａ）に示すように、床スラブ１１上に設置される防振ゴム２１と、防振ゴム２１に立設される支持ボルト２２と、上部(室内側)に床材１２を取付けるための台座２３とを備える。支持ボルト２２の外周面には雄ネジが形成されており、一端が防振ゴム２１に埋設・固定され、他端が台座２３に設けられた貫通孔２３ｈに挿入され、支持ボルト２２にネジ嵌合されるナット２４により、第１の床支持具２０の高さが調整される。第１の床支持具２０の高さは、床材１２の下面と床スラブ１１との間隔Ｄaに等しい。
防振ゴム２１は、例えば、床スラブ１１上に接着剤もしくは両面テープで固定される。 As shown in FIG. 3A, the first floor support 20 includes a vibration isolating rubber 21 installed on the floor slab 11, a support bolt 22 erected on the vibration isolating rubber 21, and an upper portion (chamber). And a pedestal 23 for attaching the flooring 12 to the inside. A male screw is formed on the outer peripheral surface of the support bolt 22, one end is embedded and fixed in the anti-vibration rubber 21, the other end is inserted into a through hole 23 h provided in the pedestal 23, and screwed into the support bolt 22. The height of the first floor support 20 is adjusted by the nut 24 to be joined. The height of the first floor support 20 is equal to the distance D a between the lower surface and the floor slab 11 of the floor member 12.
The anti-vibration rubber 21 is fixed on the floor slab 11 with an adhesive or a double-sided tape, for example.

第２の床支持具３０も、図３（ｂ）に示すように、床スラブ１１上に設置される防振ゴム３１と、外周面に雄ネジが形成されて防振ゴム３１に立設される支持ボルト３２と、上部に床材１２を取付けるための台座３３とを備える。
第２の床支持具３０の台座３３は、内周面に支持ボルト３２が螺入されるネジ穴３３ｍが形成されており、支持ボルト３２をネジ穴３３ｍに螺入することで、第２の床支持具３０の高さを調整するように構成されている。
防振ゴム３１も、例えば、床スラブ１１上に接着剤もしくは両面テープで固定される。
また、台座３３の防振ゴム３１側には、防振ゴム３１が収納可能な凹部３３ｎが設けられている。したがって、防振ゴム３１の上部を凹部３３ｎ内に入り込ませれば、第２の床支持具３０の高さを、床材１２の下面と床スラブ１１との間隔Ｄaよりも短くすることができる。本例では、第２の床支持具３０の高さを、大梁１４の上面と床材１２の下面との間隔である（Ｄa−ｋ）とした。ｋ＝５０ｍｍとしても、Ｄa−ｋ＝８０ｍｍなので、凹部３３ｎに防振ゴム３１を全て収納する必要はなく、防振ゴム３１の上部の半分程度が凹部３３ｎ内に収納されていれば、第２の床支持具３０を、床材１２の大梁１４との間に配置することができる。
これにより、床材１２の大梁１４側の端部は、短型床支持具である第２の床支持具３０により弾性支持されるので、端部が自由端である床材１２の振動を確実に低減できる。
なお、本例でも、床材１２と壁４との間に２ｍｍ程度の空気連通路（隙間）１２ｓが設けることで、床材１２からの振動（固体伝播音）が壁４を介して階下に伝達されるのを防止するようにしている。 As shown in FIG. 3B, the second floor support 30 is also erected on the anti-vibration rubber 31 with an anti-vibration rubber 31 installed on the floor slab 11 and an external thread formed on the outer peripheral surface. A support bolt 32 and a pedestal 33 for attaching the flooring 12 to the top.
The pedestal 33 of the second floor support 30 is formed with a screw hole 33m into which the support bolt 32 is screwed on the inner peripheral surface. By screwing the support bolt 32 into the screw hole 33m, the second The height of the floor support 30 is adjusted.
The anti-vibration rubber 31 is also fixed on the floor slab 11 with an adhesive or a double-sided tape, for example.
Further, a recess 33n in which the anti-vibration rubber 31 can be accommodated is provided on the anti-vibration rubber 31 side. Therefore, if enter the top of the rubber cushion 31 in the recess 33n, it can be the height of the second floor support 30, shorter than the distance D a between the lower surface and the floor slab 11 of the flooring 12 . In this example, the height of the second floor support 30 is set to (D a -k), which is the distance between the upper surface of the large beam 14 and the lower surface of the flooring 12. Even if k = 50 mm, since D a −k = 80 mm, it is not necessary to store the entire anti-vibration rubber 31 in the recess 33n, and if the upper half of the anti-vibration rubber 31 is stored in the recess 33n, Two floor supports 30 can be placed between the floor beams 12 and the girder 14.
As a result, the end of the flooring 12 on the side of the large beam 14 is elastically supported by the second floor support 30 which is a short floor support, so that the vibration of the flooring 12 whose end is a free end can be reliably ensured. Can be reduced.
Also in this example, by providing an air communication path (gap) 12 s of about 2 mm between the flooring 12 and the wall 4, vibration (solid propagation sound) from the flooring 12 passes down the floor via the wall 4. I try to prevent it from being transmitted.

ここで、床スラブ１１の厚さをＤbとすると、図５に示すような従来の二重床構造では、床材１２の下面と天井板１５との間隔は、Ｄ0＝Ｄa＋Ｄb＋Ｄcとなるが、本発明における二重床構造１０では、床材１２の下面と天井板１５との間隔は、Ｄk＝Ｄa＋Ｄb＋（Ｄc−ｋ）となる。すなわち、本発明における二重床構造１０では、従来の二重床構造に対して、１層につき、高さ方向でｋだけ高さが低いことがわかる。
したがって、本発明の二重床構造１０を有する建物１の高さＨkは、建物の階数をＮとすると、従来の二重床構造を有する集合住宅の高さＨよりも、Ｎ・ｋだけ低くできることがわかる。
逆に、Ｎが大きい場合には、図４に示すように、従来の二重床構造を有する集合住宅の建物５０の高さと本発明の二重床構造１０を有する建物１の高さとが同じであっても、建物１の階数を増やすことができる。
例えば、集合住宅の建物５０の階数をＮ、１階あたりの高さをｈとすると、建物５０の高さはＨ＝Ｎ・ｈであるが、建物１の高さはＨk＝（Ｎ＋１）・（ｈ−ｋ）となる。ここで、Ｈ＝Ｈkとすれば、Ｎ＝（ｈ−ｋ）/ｋとなる。したがって、ｈ＝２ｍ５０ｃｍ、ｋ＝５０ｍｍとした場合には、Ｎ＝５０となる。つまり、５０階の建物なら、本発明の二重床構造１０を採用することで、同じ高さで５１階にできることがわかる。 Here, when the thickness of the floor slab 11 is D b , in the conventional double floor structure as shown in FIG. 5, the distance between the lower surface of the flooring 12 and the ceiling plate 15 is D 0 = D a + D b + becomes a D c, the double floor structure 10 of the present invention, the distance between the lower surface and the top plate 15 of the floor member 12 becomes D k = D a + D b + (D c -k). That is, in the double floor structure 10 in the present invention, it can be seen that the height is lower by k in the height direction per layer than the conventional double floor structure.
Therefore, the height H k of the building 1 having the double floor structure 10 according to the present invention is N · k higher than the height H of the apartment house having the conventional double floor structure, where N is the number of floors of the building. It can be seen that it can be lowered.
On the contrary, when N is large, as shown in FIG. 4, the height of the building 50 of the apartment house having the conventional double floor structure is the same as the height of the building 1 having the double floor structure 10 of the present invention. Even so, the number of floors of the building 1 can be increased.
For example, if the number of floors of the apartment building 50 is N and the height per floor is h, the height of the building 50 is H = N · h, but the height of the building 1 is H k = (N + 1). (Hk) Here, if H = H k , N = (h−k) / k. Therefore, when h = 2m50 cm and k = 50 mm, N = 50. In other words, it can be seen that a 50-story building can be made 51 floors at the same height by employing the double floor structure 10 of the present invention.

以上、本発明を実施の形態を用いて説明したが、本発明の技術的範囲は前記実施の形態に記載の範囲には限定されない。前記実施の形態に、多様な変更または改良を加えることが可能であることが当業者にも明らかである。そのような変更または改良を加えた形態も本発明の技術的範囲に含まれ得ることが、特許請求の範囲から明らかである。   As mentioned above, although this invention was demonstrated using embodiment, the technical scope of this invention is not limited to the range as described in the said embodiment. It will be apparent to those skilled in the art that various modifications or improvements can be added to the embodiment. It is apparent from the claims that the embodiments added with such changes or improvements can be included in the technical scope of the present invention.

例えば、前記実施の形態では、集合住宅の建物１を、複数の住居２が吹抜３の周囲を取り囲む構成としたが、これに限るものではなく、本発明は、二重床構造を有する集合住宅であれば、その形態にかかわらず適用可能である。
また、前記実施の形態においては、床スラブ１１は周縁部にて大梁１４により支持されている形態について説明したが、床スラブが大梁の上部に配置されている形態であっても、床スラブの大梁上に載っている部分についても大梁であると見做せば、本例と同じ形態になる。この場合には、請求項１における大梁の上面とは、大梁上に載っている床スラブの上面で、基礎床の上面とは、床スラブの大梁間にある部分の上面を指すことは明らかである。
また、前記実施の形態では、第１の床支持具２０をナット締めにより高さを調整する形態としたが、第２の床支持具３０と同様に、台座２３にネジ穴を設け、このネジ穴に支持ボルト２２を螺入する形態としてもよい。 For example, in the said embodiment, although the building 1 of the apartment house was set as the structure in which the some residence 2 encloses the circumference | surroundings of the ventilator 3, it is not restricted to this, The present invention has an apartment house which has a double floor structure. If so, it is applicable regardless of the form.
Moreover, in the said embodiment, although the floor slab 11 demonstrated the form supported by the large beam 14 in the peripheral part, even if it is a form by which a floor slab is arrange | positioned at the upper part of a large beam, If the portion on the beam is also regarded as a beam, the same form as in this example is obtained. In this case, it is clear that the upper surface of the large beam in claim 1 is the upper surface of the floor slab placed on the large beam, and the upper surface of the foundation floor is the upper surface of the portion between the large beams of the floor slab. is there.
In the above embodiment, the height of the first floor support 20 is adjusted by tightening the nut. However, like the second floor support 30, a screw hole is provided in the base 23, and this screw The support bolts 22 may be screwed into the holes.

１ 集合住宅の建物、２ 住居、３ 吹抜、４ 壁、５ 共同廊下、６ ベランダ、
７ 階段、８ エレベータホール、９ａ〜９ｃ エレベータ、
１０ 二重床構造、１１ 床スラブ、１２ 床材、１２ｓ 空気連通路（隙間）、
１３ 柱、１４ 大梁、１５ 天井板、１６ 間仕切り壁、１７ 天井支持部材、
２０ 第１の床支持具、２１，３１ 防振ゴム、２２，３２ 支持ボルト、
２３，３３ 台座、２３ｈ 貫通孔、２４ ナット、３０ 第２の床支持具、
３３ｍ ネジ穴、３３ｎ 凹部。 1 apartment building, 2 residence, 3 atriums, 4 walls, 5 corridors, 6 veranda,
7 stairs, 8 elevator halls, 9a-9c elevators,
10 double floor structure, 11 floor slab, 12 flooring, 12s air communication passage (gap),
13 pillars, 14 girder, 15 ceiling plate, 16 partition wall, 17 ceiling support member,
20 first floor support, 21, 31 anti-vibration rubber, 22, 32 support bolt,
23, 33 pedestal, 23h through hole, 24 nut, 30 second floor support,
33m screw hole, 33n recess.

Claims (2)

大梁により支持された基礎床上に防振部材を備えた床支持具を複数個配置し、前記床支持具上に複数の床板から成る床材を配置するとともに、前記床材と壁面との間に所定の隙間を設けて成る二重床構造を有する集合住宅の建物構造であって、
前記大梁は、前記基礎床の上面を当該大梁の上面よりも予め設定した長さだけ下方に位置するように前記基礎床を支持し、かつ、前記大梁は、上面が前記予め設定した長さだけ前記床材の下面側に近づくように配置され、
前記大梁と前記床材との間には、前記床支持具の高さよりも前記予め設定した長さ寸法だけ高さの低い短型床支持具が配置されていることを特徴とする二重床構造を有する集合住宅の建物構造。 A plurality of floor supports having vibration isolation members are arranged on the foundation floor supported by the girder, and a floor material composed of a plurality of floor boards is arranged on the floor support, and between the floor material and the wall surface. A building structure of an apartment house having a double floor structure provided with a predetermined gap,
The girder supports the foundation floor such that the upper surface of the foundation floor is positioned below the upper surface of the girder by a preset length, and the girder has an upper surface of the predetermined length. It is arranged to approach the lower surface side of the flooring,
A double floor, wherein a short floor support having a height lower than the height of the floor support by the preset length dimension is disposed between the girder and the floor material. Building structure of apartment house with structure. 前記短型床支持具が、基礎床上に設置される防振ゴムと、外周面に雄ネジが形成された前記防振ゴムに立設されるネジ部材と、前記ネジ部材が螺入されるネジ穴を有し、前記床材の下面に当接する台座とを備え、
前記台座の前記防振ゴム側には、前記防振ゴムが収納可能な凹部が設けられていることを特徴とする請求項１に記載の二重床構造を有する集合住宅の建物構造。 The short floor support includes an anti-vibration rubber installed on a foundation floor, a screw member standing on the anti-vibration rubber having an external thread formed on an outer peripheral surface, and a screw into which the screw member is screwed. A pedestal having a hole and contacting the lower surface of the flooring,
2. The building structure of an apartment house having a double floor structure according to claim 1, wherein a concave portion capable of storing the anti-vibration rubber is provided on the anti-vibration rubber side of the pedestal.
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Publication number Priority date Publication date Assignee Title
JP2020147996A (en) * 2019-03-13 2020-09-17 株式会社熊谷組 Double floor structure
JP7360154B2 (en) 2019-11-15 2023-10-12 株式会社ファイトリピッド・テクノロジーズ Docosahexaenoic acid synthesis by Δ4 desaturase

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JPH11217923A (en) * 1998-02-03 1999-08-10 Awaji Giken Kk Double floor structure
JP2000104393A (en) * 1998-09-29 2000-04-11 Takahiro Yamashita Floor support device and floor structure
JP2003253801A (en) * 2003-01-28 2003-09-10 Runesu Kenkyusho:Kk Noise insulating structure for building
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JPH05171780A (en) * 1991-12-19 1993-07-09 Sekisui Jushi Co Ltd Sound insulating flooring construction
JPH11217923A (en) * 1998-02-03 1999-08-10 Awaji Giken Kk Double floor structure
JP2000104393A (en) * 1998-09-29 2000-04-11 Takahiro Yamashita Floor support device and floor structure
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Publication number Priority date Publication date Assignee Title
JP2020147996A (en) * 2019-03-13 2020-09-17 株式会社熊谷組 Double floor structure
JP7252794B2 (en) 2019-03-13 2023-04-05 株式会社熊谷組 double floor structure
JP7360154B2 (en) 2019-11-15 2023-10-12 株式会社ファイトリピッド・テクノロジーズ Docosahexaenoic acid synthesis by Δ4 desaturase

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