JP2015229869A - Floor structure of building - Google Patents

Floor structure of building Download PDF

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JP2015229869A
JP2015229869A JP2014116507A JP2014116507A JP2015229869A JP 2015229869 A JP2015229869 A JP 2015229869A JP 2014116507 A JP2014116507 A JP 2014116507A JP 2014116507 A JP2014116507 A JP 2014116507A JP 2015229869 A JP2015229869 A JP 2015229869A
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fixture
support member
steel beam
building
floor structure
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JP6440969B2 (en
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耕樹 小野
Yasuki Ono
耕樹 小野
真悟 増山
Shingo Masuyama
真悟 増山
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Daiwa House Industry Co Ltd
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Daiwa House Industry Co Ltd
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Abstract

PROBLEM TO BE SOLVED: To provide a floor structure of a building, which can make costs low by enabling a floor support member with a closed cross-sectional shape to be fixed to a steel beam by means of a simply configured fixture.SOLUTION: A floor structure of a building includes: a floor support member 1 that has a closed cross-sectional shape and that is provided with a nut 11 press-drilled and fixed in a position away from an end surface; a steel beam 2 for supporting the floor support member 1; a fixture 3 for pressure-welding and fixing the floor support member 1 to the steel beam 2; and a bolt 4 for fastening the fixture 3 by being screwed to the nut 11 through a through-hole 3a formed in the fixture 3.

Description

この発明は、床支持部材を固定具によって鉄骨梁に固定する建物の床構造に関する。   The present invention relates to a floor structure of a building in which a floor support member is fixed to a steel beam with a fixture.

図５（Ａ）、図５（Ｂ）に示すように、従来の床構造は、角パイプからなる床支持部材１０１を鉄骨梁１０２で支持するとともに、固定具１０３によって上記床支持部材１０１を上記鉄骨梁１０２に固定している。上記固定具１０３は上記床支持部材１０１に装着される本体部１０３ａと、上記鉄骨梁１０２のフランジ部に先端が掛かるクランプ部１０３ｂと、上記本体部１０３ａに螺合して上記クランプ部１０３ｂを上記フランジ部に圧接するボルト１０３ｃとを備える。   As shown in FIGS. 5 (A) and 5 (B), the conventional floor structure supports a floor support member 101 made of a square pipe with a steel beam 102 and also fixes the floor support member 101 with a fixture 103. It is fixed to the steel beam 102. The fixing device 103 includes a main body portion 103a attached to the floor support member 101, a clamp portion 103b whose tip is hooked to a flange portion of the steel beam 102, and a screwed engagement with the main body portion 103a to connect the clamp portion 103b to the above-mentioned fixing portion 103. And a bolt 103c that is in pressure contact with the flange portion.

また、特許文献１には、鉄骨梁に着脱自在に取付け可能な係止金具と、当該係止金具に一体に固着され且つ下地用の鉄筋棒を着脱自在に取付け可能な支持金具とから構成される構造が開示されている。   Further, Patent Document 1 is composed of a locking fitting that can be detachably attached to a steel beam, and a support fitting that is integrally fixed to the locking fitting and that can be detachably attached to a base reinforcing bar. The structure is disclosed.

また、特許文献２には、ナット自体が金属板を打ち抜くと同時に打ち抜いた開口周縁部をかしめてナットの側壁面に設けた溝に圧入させることにより金属板に固着するいわゆるピアスナットを用い、金属製角パイプの内壁面に固着して、当該角パイプの外側からのねじ締結に供し得るようにしたパイプ材にナットを固着する装置が開示されている。   Further, Patent Document 2 uses a so-called pierce nut that is fixed to a metal plate by crimping the peripheral edge of the punched punch at the same time as the nut itself punches the metal plate and press-fitting it into a groove provided on the side wall surface of the nut. An apparatus is disclosed in which a nut is fixed to a pipe member that is fixed to an inner wall surface of a square pipe and can be used for screw fastening from the outside of the square pipe.

特開平８−１８９１４０号公報JP-A-8-189140 特開２００６−２９７４１６号公報JP 2006-297416 A

しかしながら、上記固定具１０３を用いた床構造では、当該固定具１０３の構造が複雑であることから施工性に劣り、また、高コストになるという欠点があった。一方、上記特許文献１に開示された構造は、閉鎖断面形状を有する床支持部材の固定には不適である。   However, the floor structure using the fixture 103 has the disadvantage that the construction of the fixture 103 is complicated and the workability is poor and the cost is high. On the other hand, the structure disclosed in Patent Document 1 is unsuitable for fixing a floor support member having a closed cross-sectional shape.

この発明は、上記の事情に鑑み、閉鎖断面形状を有する床支持部材を簡単な構成の固定具で鉄骨梁に固定することができて低コスト化が図れる建物の床構造を提供することを課題とする。   In view of the above circumstances, an object of the present invention is to provide a floor structure of a building in which a floor support member having a closed cross-sectional shape can be fixed to a steel beam with a fixture having a simple configuration, and the cost can be reduced. And

この発明の建物の床構造は、上記の課題を解決するために、閉鎖断面形状を有し、端面から離れた位置にプレス穿孔固定されたナットを備える床支持部材と、上記床支持部材を支持する鉄骨梁と、上記床支持部材を上記鉄骨梁に圧接固定する固定具と、上記固定具に形成されている貫通孔を通して上記ナットに螺合されることで上記固定具を締め付けるボルトとを備えることを特徴とする。   In order to solve the above problems, a floor structure of a building according to the present invention has a closed cross-sectional shape, and includes a floor support member provided with a nut that is press-pierced and fixed at a position away from the end surface, and supports the floor support member. A steel beam, a fixing tool that presses and fixes the floor support member to the steel beam, and a bolt that tightens the fixing tool by being screwed into the nut through a through-hole formed in the fixing tool. It is characterized by that.

上記の構成であれば、上記ボルトを上記固定具の貫通孔に通して上記ナットに螺合させて締め付けることにより、上記固定具によって上記床支持部材を上記鉄骨梁に固定することができる。そして、上記床支持部材に上記ナットが既に固定されている構造であるため、上記固定具を上記貫通孔が形成される単一部材で簡単に作製することが可能である。   If it is said structure, the said floor support member can be fixed to the said steel beam with the said fixing tool by passing the said volt | bolt through the through-hole of the said fixing tool, and screwing together and tightening it. And since the said nut is already fixed to the said floor support member, it is possible to produce the said fixing tool easily with the single member in which the said through-hole is formed.

上記固定具は、上記ボルトを中心に回転可能に設けられているとともに、上記鉄骨梁に係合する状態で当該固定具の回転を制限して位置決めするストッパーを幅方向の縁に備えてもよい。これによれば、上記固定具の位置を調整する手間を解消することができる。   The fixture may be provided to be rotatable about the bolt, and may be provided with a stopper at the edge in the width direction to limit the positioning of the fixture while being engaged with the steel beam. . According to this, the trouble of adjusting the position of the fixture can be eliminated.

上記固定具が上記床支持部材の幅よりも狭い幅を有するとともに、上記貫通孔が上記固定具の幅方向中心位置よりも上記ストッパーから遠い位置に偏心して設けられていてもよい。これによれば、上記固定具の幅を狭くしたことで当該固定具の強度アップが図りやすくなる。また、上記貫通孔が偏心して設けられるので、上記固定具の幅が狭くても、上記ナットを上記床支持部材の幅方向中心に固定した構造とすることができる。   The fixture may have a width narrower than the width of the floor support member, and the through hole may be provided eccentrically at a position farther from the stopper than the center position in the width direction of the fixture. According to this, the strength of the fixture can be easily increased by reducing the width of the fixture. In addition, since the through hole is provided eccentrically, the nut can be fixed at the center in the width direction of the floor support member even if the width of the fixture is narrow.

上記貫通孔が上記固定具の幅方向と直交する方向に長い長孔であってもよい。これによれば、フランジ寸法が異なる鉄骨梁に対して一つの固定具で対応することが可能になる。   The through hole may be a long hole that is long in a direction orthogonal to the width direction of the fixture. According to this, it becomes possible to cope with steel beams having different flange dimensions with a single fixture.

或いは、上記貫通孔が上記固定具の幅方向と直交する方向に長い長孔であり、上記固定具を上記幅方向と直交する方向にスライドさせることで、上記固定具が上記鉄骨梁に係合するようにしてもよい。   Alternatively, the through hole is a long hole that is long in a direction perpendicular to the width direction of the fixture, and the fixture is engaged with the steel beam by sliding the fixture in a direction perpendicular to the width direction. You may make it do.

上記固定具は、上記貫通孔が形成されている第１部位と上記鉄骨梁に圧接する第２部位とを段状に有しており、上記第２部位に上記鉄骨梁に圧接する弾性部材が設けられていてもよい。このように段状となる形状を有していると、当該固定具の剛性を高めることができるとともに、上記圧接において上記弾性部材を極力均一に変形させることができる。   The fixing device has a stepped first portion where the through hole is formed and a second portion pressed against the steel beam, and an elastic member pressed against the steel beam is connected to the second portion. It may be provided. Thus, when it has the shape which becomes a step shape, while the rigidity of the said fixing tool can be improved, the said elastic member can be uniformly deformed as much as possible in the said press-contact.

上記ナットが上記床支持部材の端面から６０ｍｍ以上１００ｍｍ以内の位置に設けられていてもよい。これによれば、上記固定具をあまり大きくすることなく上記床支持部材を上記鉄骨梁に固定することができる。   The nut may be provided at a position not less than 60 mm and not more than 100 mm from the end surface of the floor support member. According to this, the floor supporting member can be fixed to the steel beam without enlarging the fixture.

本発明であれば、閉鎖断面形状を有する床支持部材を簡単な構造の固定具で鉄骨梁に固定でき、施工性の向上および低コスト化が図れるという効果を奏する。   According to the present invention, a floor support member having a closed cross-sectional shape can be fixed to a steel beam with a simple structure fixing tool, and an effect of improving workability and reducing costs can be achieved.

本発明の実施形態の床構造を示した図であって、同図（Ａ）は床支持部材に直交する面で切断された概略の縦断面図であり、同図（Ｂ）は床支持部材に平行な面で切断された概略の縦断面図である。BRIEF DESCRIPTION OF THE DRAWINGS It is the figure which showed the floor structure of embodiment of this invention, Comprising: The same figure (A) is a schematic longitudinal cross-sectional view cut | disconnected by the surface orthogonal to a floor support member, The same figure (B) is a floor support member. It is the general | schematic longitudinal cross-sectional view cut | disconnected by the surface parallel to. 図１の床構造で用いた固定具を示した図であって、同図（Ａ）は平面図であり、同図（Ｂ）はＡ−Ａ矢視断面図であり、同図（Ｃ）は側面図である。It is the figure which showed the fixing tool used with the floor structure of FIG. 1, Comprising: The figure (A) is a top view, The figure (B) is AA arrow sectional drawing, The figure (C) Is a side view. 同図（Ａ）は図１の床構造の一部を拡大して示した説明図であり、同図（Ｂ）は図１の床構造で用いた固定具の回転を示した説明図である。FIG. 2A is an explanatory diagram showing a part of the floor structure of FIG. 1 in an enlarged manner, and FIG. 2B is an explanatory diagram showing the rotation of the fixture used in the floor structure of FIG. . 本発明の他の実施形態の床構造で用いる固定具を示した図であって、固定具のスライドを示した説明図である。It is the figure which showed the fixing tool used with the floor structure of other embodiment of this invention, Comprising: It is explanatory drawing which showed the slide of the fixing tool. 従来の床構造を示した図であって、同図（Ａ）は床支持部材に直交する面で切断された概略の縦断面図であり、同図（Ｂ）は床支持部材に平行な面で切断された概略の縦断面図である。It is the figure which showed the conventional floor structure, Comprising: The figure (A) is a schematic longitudinal cross-sectional view cut | disconnected by the surface orthogonal to a floor support member, The figure (B) is a surface parallel to a floor support member. It is the schematic longitudinal cross-sectional view cut | disconnected by.

以下、この発明の実施の形態を添付図面に基づいて説明する。
図１に示すように、床支持部材１上には床下地板や床仕上げ板等からなる床材５が設けられる。上記床支持部材１は、閉鎖断面形状を有する角パイプからなり、その端面から離れた位置にプレス穿孔固定されたナット１１を備える。 Embodiments of the present invention will be described below with reference to the accompanying drawings.
As shown in FIG. 1, a floor material 5 made of a floor base plate or a floor finish plate is provided on the floor support member 1. The floor support member 1 is formed of a square pipe having a closed cross-sectional shape, and includes a nut 11 that is press-pierced and fixed at a position away from the end face.

上記ナット１１は、上記床支持部材１の端面から例えば６０ｍｍ以上１００ｍｍ以内の位置に設けられる。この実施形態では、上記床支持部材１の端面から６５ｍｍ入った位置であって上記床支持部材１の幅方向中央に上記ナット１１を設けている。上記ナット１１は、例えば、従来項で示したように、ナット自体が金属板を打ち抜くと同時に打ち抜いた開口周縁部をかしめてナットの側壁面に設けた溝に圧入させることにより金属板に固着するいわゆるピアスナットからなる。   The nut 11 is provided, for example, at a position within the range of 60 mm to 100 mm from the end surface of the floor support member 1. In this embodiment, the nut 11 is provided at a position 65 mm from the end face of the floor support member 1 and in the center in the width direction of the floor support member 1. The nut 11 is fixed to the metal plate by, for example, punching the metal plate at the same time as the nut itself is punched and press-fitting into the groove provided on the side wall of the nut. It consists of a so-called pierce nut.

上記床支持部材１は、建物の構造躯体となる鉄骨梁２に支持されている。上記鉄骨梁２と上記床支持部材１との間には防振ゴム６が設けられている。また、上記鉄骨梁２のフランジ上で対向する２本の床支持部材１は、それらの端面を突き合わせた状態で、上記鉄骨梁２のウェブ中心から例えば５ｍｍの間隔を各々あけて設けられている。   The floor support member 1 is supported by a steel beam 2 that is a structural frame of a building. Antivibration rubber 6 is provided between the steel beam 2 and the floor support member 1. Further, the two floor support members 1 facing each other on the flange of the steel beam 2 are provided at intervals of, for example, 5 mm from the web center of the steel beam 2 in a state where their end faces are abutted. .

上記床支持部材１は固定具３によって上記鉄骨梁２に圧接固定される。上記固定具３は、例えば厚さ１．６ｍｍの鋼板からなる。また、上記固定具３には貫通孔３ａが形成されている。この貫通孔３ａから挿通されたゴムワッシャ付きのボルト４が上記ナット１１に螺合されており、当該ボルト４を回すことで上記固定具３が締め付けられる。上記固定具３の先端部には、ゴム部材（弾性部材）３３が設けられており、当該固定具３を締め付けることにより、上記ゴム部材３３を上記鉄骨梁２のフランジ下面に圧接させることができる。   The floor support member 1 is pressed and fixed to the steel beam 2 by a fixture 3. The fixture 3 is made of, for example, a steel plate having a thickness of 1.6 mm. In addition, a through hole 3 a is formed in the fixture 3. A bolt 4 with a rubber washer inserted through the through hole 3 a is screwed into the nut 11, and the fixing tool 3 is tightened by turning the bolt 4. A rubber member (elastic member) 33 is provided at the tip of the fixture 3, and the rubber member 33 can be pressed against the lower surface of the flange of the steel beam 2 by tightening the fixture 3. .

図２（Ａ）、図２（Ｂ）および図２（Ｃ）にも示すように、上記貫通孔３ａは、上記固定具３の幅方向と直交する方向に長くされた長孔となっている。上記貫通孔３ａの幅は９ｍｍ程度とされ、長さは１４ｍｍ程度とされている。また、上記固定具３の幅方向の両端部には、当該両端部を折り曲げることで立片部３ｂが形成されている。この立片部３ｂによって上記固定具３の剛性が高められている。また、上記固定具３は、上記貫通孔３ａが形成される第１部位３１と、上記鉄骨梁２に圧接する第２部位３２とを段状に有している。そして、上記第１部位３１の幅方向の一方の縁の後端部にはストッパー３ｃが形成されている。また、上記第２部位３２に上記ゴム部材３３が固定されている。   As shown in FIGS. 2A, 2B, and 2C, the through hole 3a is a long hole that is elongated in a direction perpendicular to the width direction of the fixture 3. . The through hole 3a has a width of about 9 mm and a length of about 14 mm. Moreover, the standing piece part 3b is formed in the both ends of the width direction of the said fixing tool 3 by bending the said both ends. The standing piece 3b enhances the rigidity of the fixture 3. The fixture 3 has a first part 31 where the through hole 3a is formed and a second part 32 which is pressed against the steel beam 2 in a stepped manner. A stopper 3c is formed at the rear end of one edge of the first portion 31 in the width direction. Further, the rubber member 33 is fixed to the second portion 32.

上記第１部位３１の長さは２４ｍｍ程度とされ、上記第２部位３２の長さは２３ｍｍ程度とされ、上記段状をなす部分の長さは８ｍｍ程度とされている。また、上記貫通孔３ａの中心は、上記第１部位３１の後端から１１ｍｍ程度の位置とされる。   The length of the first part 31 is about 24 mm, the length of the second part 32 is about 23 mm, and the length of the stepped portion is about 8 mm. Further, the center of the through hole 3 a is set to a position of about 11 mm from the rear end of the first portion 31.

図３（Ａ）、図３（Ｂ）にも示すように、上記固定具３は、上記ボルト４を中心に回転可能に設けられている。そして、上記固定具３が上記鉄骨梁２のフランジに係合する状態で、上記固定具３の回転が上記ストッパー３ｃによって制限され、当該固定具３が位置決めされる。上記固定具３を締め付けるとき、上記ボルト４の回転によって上記固定具３が共回りしようとするが、この共回りの回転で上記床支持部材１の側面に上記ストッパー３ｃが当たり、上記位置決めが行われる。上記ストッパー３ｃの高さは２５ｍｍ程度とされ、長さは８ｍｍ程度とされている。   As shown in FIGS. 3 (A) and 3 (B), the fixture 3 is provided to be rotatable around the bolt 4. Then, with the fixture 3 engaged with the flange of the steel beam 2, the rotation of the fixture 3 is limited by the stopper 3c, and the fixture 3 is positioned. When the fixing tool 3 is tightened, the fixing tool 3 tries to rotate together by the rotation of the bolt 4, but the stopper 3c hits the side surface of the floor support member 1 by the rotation of the rotating rotation, and the positioning is performed. Is called. The height of the stopper 3c is about 25 mm, and the length is about 8 mm.

また、上記固定具３は、上記床支持部材１の幅よりも狭く、例えば４０ｍｍ程度となっている。そして、上記貫通孔３ａが上記固定具３の幅方向中心位置よりも上記ストッパー３ｃから遠い位置、例えば、上記ストッパー３ｃから２３ｍｍ離れた位置に偏心して設けられている。   Moreover, the said fixing tool 3 is narrower than the width | variety of the said floor support member 1, for example, is about 40 mm. And the said through-hole 3a is eccentrically provided in the position far from the said stopper 3c rather than the center position of the width direction of the said fixture 3, for example, the position 23 mm away from the said stopper 3c.

上記の構成であれば、上記ボルト４を上記固定具の貫通孔３ａに通して上記ナット１１に螺合させて締め付けることにより、上記固定具３によって上記床支持部材１を上記鉄骨梁２に固定することができる。そして、上記床支持部材１に上記ナット１１が既に固定されている構造であるため、上記固定具３を上記貫通孔３ａが形成される単一部材で簡単に作製することができる。   If it is said structure, the said floor support member 1 is fixed to the said steel beam 2 with the said fixing tool 3 by passing the said volt | bolt 4 through the through-hole 3a of the said fixing tool, and screwing together and tightening the said nut. can do. And since the said nut 11 is already fixed to the said floor support member 1, the said fixing tool 3 can be easily produced with the single member in which the said through-hole 3a is formed.

上記固定具３が上記鉄骨梁２に係合する状態で当該固定具３の回転を制限して位置決めするストッパー３ｃが備えられていると、上記固定具３の位置を調整する手間を解消することができる。   When the stopper 3c that restricts and positions the rotation of the fixing tool 3 in a state where the fixing tool 3 is engaged with the steel beam 2 is provided, the trouble of adjusting the position of the fixing tool 3 is eliminated. Can do.

上記固定具３が上記床支持部材１の幅よりも狭い幅を有し、上記貫通孔３ａが上記固定具３の幅方向中心位置よりも上記ストッパー３ｃから遠い位置に偏心して設けられていると、上記固定具３の幅を狭くしたことで当該固定具３の強度アップが図りやすくなる。また、上記貫通孔３ａが偏心して設けられるので、上記固定具３の幅が狭くても、上記ナット１１を上記床支持部材１の幅方向中心に固定した構造とすることができる。   The fixture 3 has a width narrower than the width of the floor support member 1, and the through hole 3 a is eccentrically provided at a position farther from the stopper 3 c than the center position in the width direction of the fixture 3. The strength of the fixture 3 can be easily increased by reducing the width of the fixture 3. Further, since the through hole 3a is provided eccentrically, the nut 11 can be fixed to the center of the floor support member 1 in the width direction even if the width of the fixture 3 is narrow.

上記貫通孔３ａが上記固定具３の幅方向と直交する方向に長い長孔であると、フランジ寸法が異なる鉄骨梁２に対しても一つの固定具３で対応することが可能になる。   When the through-hole 3a is a long hole that is long in a direction orthogonal to the width direction of the fixture 3, the single fixture 3 can cope with the steel beam 2 having different flange dimensions.

また、上記固定具３が上記第１部位３１と上記第２部位３２とを段状に有すると、当該固定具３の剛性を高めることができるとともに、上記圧接において上記ゴム部材３３を極力均一に変形させることが可能になる。   Further, when the fixture 3 has the first portion 31 and the second portion 32 in a step shape, the rigidity of the fixture 3 can be increased, and the rubber member 33 can be made as uniform as possible in the press contact. It can be deformed.

また、上記ナット１１が上記床支持部材１の端面から６０ｍｍ以上１００ｍｍ以内の位置に設けられていると、上記固定具３をあまり大きくすることなく上記床支持部材１を上記鉄骨梁２に固定することができる。もちろん、上記固定具３の各部の寸法は上述した寸法に限るものではない。   Further, when the nut 11 is provided at a position not less than 60 mm and not more than 100 mm from the end face of the floor support member 1, the floor support member 1 is fixed to the steel beam 2 without enlarging the fixture 3. be able to. Of course, the dimensions of each part of the fixture 3 are not limited to the dimensions described above.

次に、他の実施形態について説明する。図４に示すように、この実施形態で用いる固定具３Ａは、貫通孔３ａが当該固定具３Ａの幅方向と直交する方向に長い長孔であり、上記固定具３Ａを上記幅方向と直交する方向にスライドさせることで、上記固定具３Ａが上記鉄骨梁２に係合可能となる。例えば、上記固定具３Ａは、上記固定具３と比較して第１部位３１が長くされ、全長が８８ｍｍ程度となるようにしてもよい。この場合、上記貫通孔３ａの長さを、例えば２５ｍｍ程度とすることができる。また、このような固定具３Ａを用いる場合には、上記ナット１１の固定位置を、上記床支持部材１の端面から８５ｍｍ程度の位置とすることができる。また、上記固定具３Ａは上記ストッパー３ｃを備えていてもよい。このストッパー３ｃは、上記第１部位３１の後端部に限らず、上記第１部位３１の中央側に形成することもできる。   Next, another embodiment will be described. As shown in FIG. 4, the fixing tool 3A used in this embodiment is a long hole in which the through hole 3a is long in a direction orthogonal to the width direction of the fixing tool 3A, and the fixing tool 3A is orthogonal to the width direction. The fixing tool 3A can be engaged with the steel beam 2 by sliding in the direction. For example, the fixture 3A may be configured such that the first portion 31 is longer than the fixture 3 and the total length is about 88 mm. In this case, the length of the through hole 3a can be set to about 25 mm, for example. Further, when such a fixture 3 </ b> A is used, the fixing position of the nut 11 can be set to a position of about 85 mm from the end surface of the floor support member 1. Further, the fixture 3A may include the stopper 3c. The stopper 3 c is not limited to the rear end portion of the first part 31, but can be formed on the center side of the first part 31.

以上の実施形態において、上記ナット１１は、現場ではなく、工場で取り付けられるようにしている。また、各ナット１１に上記固定具３、３Ａを工場でプリセットしとくこともできる。   In the above embodiment, the nut 11 is attached not at the site but at the factory. Moreover, the said fixing tools 3 and 3A can also be preset to each nut 11 at a factory.

以上、図面を参照してこの発明の実施形態を説明したが、この発明は、図示した実施形態のものに限定されない。図示した実施形態に対して、この発明と同一の範囲内において、あるいは均等の範囲内において、種々の修正や変形を加えることが可能である。   As mentioned above, although embodiment of this invention was described with reference to drawings, this invention is not limited to the thing of embodiment shown in figure. Various modifications and variations can be made to the illustrated embodiment within the same range or equivalent range as the present invention.

１ 床支持部材
１１ ナット
２ 鉄骨梁
３ 固定具
３ａ 貫通孔
３ｂ 立片部
３ｃ ストッパー
３１ 第１部位
３２ 第２部位
３３ ゴム部材
３Ａ 固定具
４ ボルト DESCRIPTION OF SYMBOLS 1 Floor support member 11 Nut 2 Steel beam 3 Fixing tool 3a Through-hole 3b Standing piece 3c Stopper 31 1st part 32 2nd part 33 Rubber member 3A Fixing tool 4 Bolt

Claims (7)

閉鎖断面形状を有し、端面から離れた位置にプレス穿孔固定されたナットを備える床支持部材と、上記床支持部材を支持する鉄骨梁と、上記床支持部材を上記鉄骨梁に圧接固定する固定具と、上記固定具に形成されている貫通孔を通して上記ナットに螺合されることで上記固定具を締め付けるボルトとを備えることを特徴とする建物の床構造。   A floor support member having a closed cross-sectional shape and provided with a nut that is press-pierced and fixed at a position away from the end face, a steel beam that supports the floor support member, and a fixing that presses and fixes the floor support member to the steel beam A building floor structure comprising: a fixture; and a bolt that is screwed into the nut through a through-hole formed in the fixture and tightens the fixture. 請求項１に記載の建物の床構造において、上記固定具は、上記ボルトを中心に回転可能に設けられているとともに、上記鉄骨梁に係合する状態で当該固定具の回転を制限して位置決めするストッパーを幅方向の縁に備えることを特徴とする建物の床構造。   The floor structure of a building according to claim 1, wherein the fixture is provided so as to be rotatable around the bolt and is positioned by restricting rotation of the fixture in a state of being engaged with the steel beam. The floor structure of the building is provided with a stopper for the width direction edge. 請求項２に記載の建物の床構造において、上記固定具が上記床支持部材の幅よりも狭い幅を有するとともに、上記貫通孔が上記固定具の幅方向中心位置よりも上記ストッパーから遠い位置に偏心して設けられていることを特徴とする建物の床構造。   The floor structure of a building according to claim 2, wherein the fixture has a width narrower than a width of the floor support member, and the through hole is located farther from the stopper than a center position in the width direction of the fixture. A building floor structure characterized by being provided eccentrically. 請求項２または請求項３に記載の建物の床構造において、上記貫通孔が上記固定具の幅方向と直交する方向に長い長孔であることを特徴とする建物の床構造。   4. The building floor structure according to claim 2, wherein the through hole is a long hole extending in a direction orthogonal to the width direction of the fixture. 請求項１に記載の建物の床構造において、上記貫通孔が上記固定具の幅方向と直交する方向に長い長孔であり、上記固定具を上記幅方向と直交する方向にスライドさせることで、上記固定具が上記鉄骨梁に係合することを特徴とする建物の床構造。   In the building floor structure according to claim 1, the through hole is a long hole in a direction perpendicular to the width direction of the fixture, and the fixture is slid in a direction perpendicular to the width direction. A floor structure of a building, wherein the fixture is engaged with the steel beam. 請求項１〜請求項５のいずれか１項に記載の建物の床構造において、上記固定具は、上記貫通孔が形成されている第１部位と上記鉄骨梁に圧接する第２部位とを段状に有しており、上記第２部位に上記鉄骨梁に圧接する弾性部材が設けられていることを特徴とする建物の床構造。   The floor structure of a building according to any one of claims 1 to 5, wherein the fixture includes a first part in which the through hole is formed and a second part in pressure contact with the steel beam. The building floor structure is characterized in that an elastic member that presses against the steel beam is provided in the second part. 請求項１〜請求項６のいずれか１項に記載の建物の床構造において、上記ナットが上記床支持部材の端面から６０ｍｍ以上１００ｍｍ以内の位置に設けられていることを特徴とする建物の床構造。   The building floor structure according to any one of claims 1 to 6, wherein the nut is provided at a position not less than 60 mm and not more than 100 mm from an end surface of the floor support member. Construction.
JP2014116507A 2014-06-05 2014-06-05 Building floor structure Active JP6440969B2 (en)

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JP2003268908A (en) * 2002-03-20 2003-09-25 Daiwa House Ind Co Ltd Floor panel fixing method, floor panel and fixture
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JP2005127127A (en) * 2003-09-30 2005-05-19 Daiwa House Ind Co Ltd Installing structure of floor panel, floor panel installing hardware, and floor panel
JP2006297416A (en) * 2005-04-18 2006-11-02 Shinjo Mfg Co Ltd Pressing device for fixing nut to pipe material
JP2008150921A (en) * 2006-12-20 2008-07-03 Daiwa House Ind Co Ltd Floor joists with mounting brackets, and floor panels with mounting brackets
JP2010095921A (en) * 2008-10-17 2010-04-30 Daiwa House Industry Co Ltd Floor joist with mounting hardware, flooring panel with mounting hardware, and mounting hardware

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5316394B2 (en) * 1972-07-10 1978-05-31
JPS6329047Y2 (en) * 1982-08-09 1988-08-04
US20040074183A1 (en) * 2001-08-30 2004-04-22 Schneider Walter G. M. Wood deck connection system and method of installation
JP2003268908A (en) * 2002-03-20 2003-09-25 Daiwa House Ind Co Ltd Floor panel fixing method, floor panel and fixture
JP2005105638A (en) * 2003-09-30 2005-04-21 Daiwa House Ind Co Ltd Mounting structure of metallic floor joist on beam, mounting fitting, and floor panel
JP2005127127A (en) * 2003-09-30 2005-05-19 Daiwa House Ind Co Ltd Installing structure of floor panel, floor panel installing hardware, and floor panel
JP2006297416A (en) * 2005-04-18 2006-11-02 Shinjo Mfg Co Ltd Pressing device for fixing nut to pipe material
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JP2010095921A (en) * 2008-10-17 2010-04-30 Daiwa House Industry Co Ltd Floor joist with mounting hardware, flooring panel with mounting hardware, and mounting hardware

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