JP4653578B2 - Building member mounting hardware, building member mounting structure, and building member mounting method - Google Patents

Building member mounting hardware, building member mounting structure, and building member mounting method Download PDF

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JP4653578B2
JP4653578B2 JP2005199946A JP2005199946A JP4653578B2 JP 4653578 B2 JP4653578 B2 JP 4653578B2 JP 2005199946 A JP2005199946 A JP 2005199946A JP 2005199946 A JP2005199946 A JP 2005199946A JP 4653578 B2 JP4653578 B2 JP 4653578B2
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暁 矢崎
文博 大沼
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Asahi Kasei Homes Corp
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Description

本発明は、既存建物の屋根（屋上、ベランダ）に、例えば手摺、太陽発電機、物置等の建築部材を取り付けるための金物、さらにはこれを用いた建築部材取付構造及び建築部材取付方法に関する。   The present invention relates to a hardware for attaching a building member such as a handrail, a solar generator, and a storage to a roof (a rooftop or a veranda) of an existing building, and further relates to a building member mounting structure and a building member mounting method using the same.

例えば屋上利用をしていないフラット屋根を持つ既存住宅の屋根（屋上、ベランダ）に手摺を取り付けることにより、屋上利用が図れるようになり、眺望や、洗濯物の干し場などとしての利用価値を高めることができる。また、近時では地球温暖化対策としての屋上緑化の社会的ニーズが高まっており、将来的には屋上非利用の既存建物の屋上を利用できるように改築するケースが多くなるものと予想される。   For example, by attaching handrails to the roofs of existing houses with flat roofs that are not used on the rooftop (rooftops, verandas), it becomes possible to use the rooftop, increasing the utility value as a view and laundry laundry be able to. In addition, the social needs for rooftop greening as a countermeasure against global warming are increasing recently, and in the future, it is expected that there will be more cases where the rooftop of an existing building that is not used on the rooftop can be used. .

屋上非利用の建物に屋上手摺を安全性能を充分確保して取り付けるためには、建物本体に強固に止めつける必要があり、例えば鉄骨構造の建物においては、骨組みの鉄骨梁などに止めつけることにより、手摺の強度が確保される。   In order to secure the rooftop railing to a building that is not used on the roof, it is necessary to firmly fasten it to the main body of the building.For example, in a steel structure building, it must be fastened to a framed steel beam. The strength of the handrail is ensured.

従前は、新規に手摺を取り付けるために、屋上にコンクリートで土台を作り、その重みで手摺が転倒しないようにする工法があった。しかしながら、この工法は、建物本体の構造体に手摺を緊結しているものではなく、コンクリートの土台を単に防水層の上に置いてあるのみであった。そのため、手摺がぐらぐらする、また大きな力がかかると、動いてしまうなどの欠点があった。   In the past, in order to attach a new handrail, there was a construction method in which a foundation was made of concrete on the roof and the handrail would not fall over due to its weight. However, this construction method does not tie handrails to the structure of the building body, but simply puts a concrete base on the waterproof layer. For this reason, there are drawbacks such as handrails becoming loose and moving when a large force is applied.

また、既存建物の屋上に新規に手摺を設置する方法については幾つかの工法が提案されている。例えば特許文献１には、あらかじめ、手摺を後設置する際に用いる埋込連結体を躯体に結合しておく提案がなされている。   Several methods have been proposed for installing a new handrail on the roof of an existing building. For example, Patent Document 1 proposes that an embedded connecting body used when a handrail is later installed is coupled to a housing in advance.

特開平８−２６０６４２号公報JP-A-8-260642

特許文献１に記載の工法によれば、簡易に且つ十分な支持構造で既存建物の屋上に新規に手摺を設置することが可能である。   According to the construction method described in Patent Document 1, a handrail can be newly installed on the roof of an existing building with a simple and sufficient support structure.

しかしながら、特許文献１に記載の工法では、以下のような問題が生じていた。
（１）既存梁のセンターに埋込連結体を固定しているため、手摺の形状によっては、既存梁に接するようにして上部に延出されているパラペットが邪魔になり、手摺を取り付けることができない場合があった。
（２）図９に示すように、屋上の床材としてコンクリート系パネル９１を用いたフラット屋根では、コンクリート系パネル９１の吹上げ防止のために、パネル９１の側面に吹上げ防止突起９２を設け、この吹上げ防止突起９２に係合する吹上げ防止鉄筋９３を仕込むことが行われている。このようなフラット屋根では、通常、吹上げ防止鉄筋９３は梁９４のセンター付近に位置するため、既存梁のセンターに埋込連結体を固定しょうとすると、吹き上げ防止構造を破損してしまう。 However, the method described in Patent Document 1 has the following problems.
(1) Since the embedded connecting body is fixed at the center of the existing beam, depending on the shape of the handrail, the parapet extending to the upper part so as to contact the existing beam may be in the way, and the handrail may be attached. There were cases where it was not possible.
(2) As shown in FIG. 9, in a flat roof using a concrete panel 91 as a flooring material on the roof, a blow-up preventing projection 92 is provided on the side of the panel 91 to prevent the concrete panel 91 from blowing up. The blowing-up prevention reinforcing bar 93 that engages with the blowing-up prevention projection 92 is prepared. In such a flat roof, the blow-up prevention reinforcing bar 93 is usually located in the vicinity of the center of the beam 94. Therefore, if the embedded connecting body is fixed to the center of the existing beam, the blow-up prevention structure is damaged.

本発明は、以上のような問題点に着目してなされたもので、既存の鉄骨住宅の屋上の床に手摺、太陽発電機、物置等の建築部材を取り付ける場合において、上記のようなパラペットや吹上げ防止鉄筋を回避しつつ、簡易に且つ十分な支持構造で建築部材を取り付けることが可能な建築部材取付用金物、さらにはこれを用いた建築部材取付構造及び建築部材取付方法を提供することを目的とするものである。   The present invention has been made paying attention to the above problems, and in the case of attaching a building member such as a handrail, a solar generator, a storeroom to the rooftop of an existing steel house, To provide a building member mounting hardware capable of mounting a building member easily and with a sufficient support structure while avoiding a blow-up prevention reinforcing bar, and further a building member mounting structure and a building member mounting method using the same. It is intended.

上記の目的を達成すべく成された本発明は、以下の構成を有するものである。   The present invention made to achieve the above object has the following configuration.

すなわち、本発明の建築部材取付用金物は、屋上の床材にコンクリート系パネルを用いている既存の鉄骨住宅の屋上に建築部材を取り付けるための建築部材取付用金物であって、
筒状体の下部にその外周一方向に延出された板状体を有し、該板状体の延出端近傍に設けられたボルト穴を介して既存梁の上部フランジの片側上面にボルト固定される梁取付部材と、
前記筒状体の上部に前記板状体とは異なる方向に延出され、この延出端近傍に設けられたボルト穴を介してコンクリート系パネルの上面にボルト固定される床取付部材と、
前記筒状体に螺合接続され、上部に建築部材取付部を有する建築部材取付部材と、
からなることを特徴とする。
また、前記床取付部材は、前記板状体の延出方向に対して９０度以上１７０度以下の方向に延出されていることを特徴とする。
また、前記床取付部材は、前記筒状体に高さ調節可能に取り付けられていることを特徴とする。 That is, the building member mounting hardware of the present invention is a building member mounting hardware for mounting a building member on the rooftop of an existing steel frame house using a concrete-based panel on the flooring of the roof,
It has a plate-like body extending in the outer peripheral one direction at the lower part of the cylindrical body, and a bolt on one upper surface of the upper flange of the existing beam through a bolt hole provided in the vicinity of the extended end of the plate-like body A beam mounting member to be fixed;
A floor mounting member that extends in the direction different from the plate-like body at the top of the cylindrical body, and is bolted to the upper surface of the concrete panel through a bolt hole provided in the vicinity of the extended end;
A building member mounting member screwed to the tubular body and having a building member mounting portion on the upper part,
It is characterized by comprising.
Further, the floor mounting member is extended in a direction of 90 degrees or more and 170 degrees or less with respect to the extending direction of the plate-like body.
Further, the floor mounting member is attached to the cylindrical body so as to be adjustable in height.

また、本発明の建築部材取付構造は、上記本発明の建築部材取付用金物を用いた建築部材取付構造であって、
既存梁の上方の屋上床構成材が取り除かれた開口部を貫通して、前記既存梁の上部フランジの片側上面に前記梁取付部材がボルト固定され、
前記開口部に近接する床材の上面に前記床取付部材がボルト固定され、
前記梁取付部材の筒状体に螺合接続された建築部材取付部材の建築部材取付部に、建築部材取付手段が設けられていることを特徴とする。 Moreover, the building member mounting structure of the present invention is a building member mounting structure using the building member mounting hardware of the present invention,
The beam mounting member is bolted to the upper surface of one side of the upper flange of the existing beam through the opening from which the rooftop component above the existing beam has been removed,
The floor mounting member is bolted to the upper surface of the flooring adjacent to the opening,
The building member mounting means is provided in the building member mounting portion of the building member mounting member screwed and connected to the cylindrical body of the beam mounting member.

また、本発明の建築部材取付方法は、梁取付部材と建築部材取付部材とを有する建築部材取付用金物を用いた建築部材取付方法であって、
既存梁の上方の屋上床構成材に開口部を設ける工程と、
前記開口部を貫通して、前記既存梁の上部フランジに前記梁取付部材をボルト固定する工程と、
前記梁取付部材の筒状体に前記建築部材取付部材を螺合接続する工程と、
を有することを特徴とする。 The building member mounting method of the present invention is a building member mounting method using a building member mounting hardware having a beam mounting member and a building member mounting member,
Providing an opening in the rooftop component above the existing beam;
Passing through the opening and bolting the beam mounting member to the upper flange of the existing beam; and
A step of screwing and connecting the building member mounting member to the tubular body of the beam mounting member;
It is characterized by having.

本発明の建築部材取付用金物、建築部材取付構造及び建築部材取付方法によれば、内装を傷つけることなく、屋上からのみの施工で火気も使わずに簡易に手摺、太陽発電機、物置等の建築部材を取り付けることができる。
また、既存梁にボルト固定される梁取付部材の板状体は、筒状体の外周一方向に延出されているため、梁取付部材の筒状体及びこれに螺合接続される建築部材取付部材を既存梁のセンターから離れた状態で設置することができる。このため、パラペットが既存梁に近接して上部に延出している場合にも、建築部材の形状に関わらずパラペットを回避して建築部材を取り付けることができる。従って、手摺を取り付けるのに有利である。
また、既存梁の上部フランジの片側上面に梁取付部材をボルト固定するため、既存梁のセンター付近に吹上げ防止鉄筋が仕込まれている場合であっても、吹上げ防止鉄筋を避けて梁取付部材を据え付けるための開口部を屋上床構成材に設けることができ、既存の吹上げ防止構造を破損することなく建築部材を設置することができる。
さらに、コンクリート系パネルにも床取付部材がボルト固定されるため、梁取付部材の既存梁への固定位置と、建築部材取付部材が螺合接続される筒状体のセンター位置が偏芯しているにもかかわらず、十分な支持構造で建築部材を取り付けることができる。 According to the building member mounting hardware, the building member mounting structure, and the building member mounting method of the present invention, it is possible to easily perform handrails, solar generators, storages, etc. without damaging the interior and without using fire in construction only from the rooftop. Building members can be attached.
Moreover, since the plate-like body of the beam mounting member that is bolted to the existing beam extends in one direction on the outer periphery of the cylindrical body, the cylindrical body of the beam mounting member and the building member that is screwed and connected thereto The mounting member can be installed away from the center of the existing beam. For this reason, even when the parapet extends close to the existing beam, the building member can be attached while avoiding the parapet regardless of the shape of the building member. Therefore, it is advantageous for attaching a handrail.
In addition, since the beam mounting member is bolted to the upper surface of one side of the upper flange of the existing beam, even if a blow-up reinforcing bar is installed near the center of the existing beam, the beam mounting is avoided avoiding the blowing-up reinforcing bar. An opening for installing the member can be provided in the roof floor component, and the building member can be installed without damaging the existing blow-up preventing structure.
Furthermore, since the floor mounting member is also bolted to the concrete panel, the fixing position of the beam mounting member to the existing beam and the center position of the cylindrical body to which the building member mounting member is screwed are eccentric. Nevertheless, the building members can be mounted with a sufficient support structure.

また、床取付部材が板状体の延出方向に対して９０度以上１７０度以下の方向に延出されている場合には、コンクリート系パネルの繋ぎ目部分（目地部分）に梁取付部材が位置していても、この繋ぎ目部分を避けつつ床取付部材をコンクリート系パネルに強固に固定することができ、あらゆる場所に十分な支持構造で建築部材を取り付けることができる。   When the floor mounting member is extended in the direction of 90 degrees or more and 170 degrees or less with respect to the extending direction of the plate-like body, the beam mounting member is provided at the joint portion (joint portion) of the concrete panel. Even if it is located, the floor mounting member can be firmly fixed to the concrete-based panel while avoiding this joint portion, and the building member can be attached to any place with a sufficient support structure.

また、床取付部材が筒状体に高さ調節可能に取り付けられている場合には、同じ（標準化された）建築部材取付用金物を、厚みの異なるコンクリート系パネルを使用している既存建物にも用いることができ、汎用性が高い。   In addition, when the floor mounting member is attached to the cylindrical body so that the height can be adjusted, the same (standardized) hardware for mounting a building member is attached to an existing building using concrete panels with different thicknesses. Can also be used and is highly versatile.

以下、建築部材として手摺を鉄骨住宅の屋上に取り付ける場合を例に挙げ、本発明の実施形態例を図面に基づいて説明するが、本発明はかかる形態例に限定されるものではない。   Hereinafter, although the case where a handrail is attached as a building member on the rooftop of a steel frame house is taken as an example and an embodiment of the present invention is described based on the drawings, the present invention is not limited to such an embodiment.

図１は本発明の一実施形態例に係る手摺（建築部材）取付用金物１０を示す斜視図、図２は手摺取付用金物の梁取付部材と床取付部材の連結状態を示す上面図である。   FIG. 1 is a perspective view showing a handrail (building member) mounting hardware 10 according to an embodiment of the present invention, and FIG. 2 is a top view showing a connection state of a beam mounting member and a floor mounting member of the handrail mounting hardware. .

本例の手摺取付用金物１０は、梁取付部材１１、床取付部材１２、及び手摺（建築部材）取付部材１３からなる。   The handrail mounting hardware 10 of this example includes a beam mounting member 11, a floor mounting member 12, and a handrail (building member) mounting member 13.

梁取付部材１１は、内側にネジが切られている筒状体１１ａと、この筒状体１１ａの下部にその外周一方向に延出されている板状体１１ｂと、補強材１１ｃからなる。また、板状体１１ｂの延出端近傍には２つのボルト穴１１ｄが設けられている。   The beam mounting member 11 includes a cylindrical body 11a that is threaded on the inside, a plate-like body 11b that extends in one direction on the outer periphery of the cylindrical body 11a, and a reinforcing material 11c. Two bolt holes 11d are provided in the vicinity of the extending end of the plate-like body 11b.

床取付部材１２は、筒状体１１ａの上部に板状体１１ｂとは異なる方向に延出されており、この延出端近傍にはボルト穴１２ａが設けられている。なお、本例の床取付部材１２は、板状体１１ｂの延出方向に対して１３５度の方向に延出されている。   The floor mounting member 12 extends in an upper direction of the cylindrical body 11a in a direction different from the plate-like body 11b, and a bolt hole 12a is provided in the vicinity of the extended end. In addition, the floor mounting member 12 of this example is extended in the direction of 135 degree | times with respect to the extension direction of the plate-shaped object 11b.

手摺取付部材１３は、筒状体１１ａの内側に螺合接続するためにネジが切られている支柱１３ａと、支柱１３ａの上部に固定された手摺（建築部材）取付部１３ｂからなる。手摺取付部１３ｂは、４つのボルト穴１３ｃが設けられた円板状のものである。   The handrail attachment member 13 includes a column 13a that is threaded to be screwed into the inside of the cylindrical body 11a, and a handrail (building member) attachment portion 13b that is fixed to the upper portion of the column 13a. The handrail attachment portion 13b is a disk-shaped member provided with four bolt holes 13c.

次に、本例の手摺取付用金物１０を用いた手摺（建築部材）取付方法を図面に基づいて説明する。図３は本例の手摺取付用金物１０を既存の鉄骨住宅の屋上に取り付けた状態を示す平面図、図４は図３中のＡ−Ａ’断面図である。   Next, a handrail (building member) attachment method using the handrail attachment hardware 10 of this example will be described based on the drawings. FIG. 3 is a plan view showing a state in which the handrail mounting hardware 10 of this example is attached to the roof of an existing steel frame house, and FIG. 4 is a cross-sectional view taken along line A-A ′ in FIG. 3.

本例の手摺取付方法は、既存梁の上方の屋上床構成材に開口部を設ける工程と、前記開口部を貫通して、既存梁の上部フランジの片側上面に梁取付部材１１をボルト固定する工程と、前記開口部に近接する床材の上面に床取付部材１２をボルト固定する工程と、梁取付部材１１の筒状体１１ａに手摺取付部材１３を螺合接続する工程と、手摺取付部材１３の手摺取付部１３ｂに手摺もしくは手摺取付手段を設ける工程と、を有している。   In the handrail mounting method of this example, the step of providing an opening in the roof floor constituent material above the existing beam, and the beam mounting member 11 are bolted to the upper surface of one side of the upper flange of the existing beam through the opening. A step of bolting the floor mounting member 12 to the upper surface of the floor material adjacent to the opening, a step of screwing and connecting the handrail mounting member 13 to the tubular body 11a of the beam mounting member 11, and a handrail mounting member And a step of providing handrails or handrail attachment means on the 13 handrail attachment portions 13b.

まず、既存梁３１の上方の屋上床構成材３２の一部を切り欠き撤去する。撤去は屋外（屋上）から、ホルソーなどの穴あけ機械により屋上床構成材３２の材料群（本例では、防水層３３と、断熱層３４と、ＡＬＣパネルやＰＣパネル等のコンクリート系パネル３５からなる。）を一挙に撤去する事が可能である。屋上床構成材３２が取り除かれた開口部３６では、既存梁３１は屋上に露出することになり、屋上から既存梁３１の上フランジ３１ａの片側（外壁３７から遠い側）に、梁取付部材１１を固定するためのボルト穴を穿つことが可能である。なお、既存梁３１の上フランジ３１ａに既存のボルト穴がある場合はその穴を利用することができる。   First, a part of the rooftop component 32 above the existing beam 31 is cut away and removed. Removal is performed from the outside (the rooftop), using a hole punching machine such as a horusoe, and a material group of the rooftop component 32 (in this example, a waterproof layer 33, a heat insulating layer 34, and a concrete panel 35 such as an ALC panel or a PC panel). Can be removed at once. In the opening 36 from which the rooftop component 32 has been removed, the existing beam 31 is exposed on the rooftop, and the beam mounting member 11 is disposed on one side (the side far from the outer wall 37) of the upper flange 31a of the existing beam 31 from the rooftop. It is possible to pierce a bolt hole for fixing. In addition, when there is an existing bolt hole in the upper flange 31a of the existing beam 31, the hole can be used.

また、コンクリート系パネル３５に床取付部材１２をボルト固定できるように、床取付部材１２が配置される部分の防水層３３と断熱層３４を撤去すると共に、この撤去部分のコンクリート系パネル３５にボルト穴３８をあけておく。   Further, the waterproof layer 33 and the heat insulating layer 34 in the portion where the floor mounting member 12 is disposed are removed so that the floor mounting member 12 can be bolted to the concrete panel 35, and the concrete panel 35 in the removed portion is bolted. Make a hole 38.

次に、既存梁３１の上フランジ３１ａに設けたボルト穴と、板状体１１ｂに設けられているボルト穴１１ｄを利用し、開口部３６を貫通して、既存梁３１の上フランジ３１ａの片側上面に梁取付部材１１をワンサイドボルト３９により固定する。また、コンクリート系パネル３５に設けたボルト穴３８と、床取付部材１２に設けられているボルト穴１２ａを利用し、コンクリート系パネル３５の上面に床取付部材１２をワンサイドボルト４０により固定する。このように、一方向から締め付け施工が可能なワンサイドボルトを用いることにより、屋上から簡単に作業を進めることができる。   Next, using the bolt hole provided in the upper flange 31a of the existing beam 31 and the bolt hole 11d provided in the plate-like body 11b, one side of the upper flange 31a of the existing beam 31 passes through the opening 36. The beam mounting member 11 is fixed to the upper surface with a one-side bolt 39. Further, the floor mounting member 12 is fixed to the upper surface of the concrete panel 35 by the one-side bolt 40 using the bolt holes 38 provided in the concrete panel 35 and the bolt holes 12 a provided in the floor mounting member 12. In this way, by using the one-side bolt that can be tightened from one direction, the work can be easily performed from the rooftop.

次に、梁取付部材１１の筒状体１１ａに手摺取付部材１３を螺合接続する。この時、手摺の仕様等に応じて、手摺取付部１３ｂの高さを調整する。   Next, the handrail attachment member 13 is screwed and connected to the tubular body 11 a of the beam attachment member 11. At this time, the height of the handrail attachment portion 13b is adjusted according to the specifications of the handrail.

最後に、撤去した屋上床構成材３２を復旧し、防水層３３を手摺取付部材１３の支柱１３ａにも延長し防水を完全なものとした後、手摺取付部材１３の手摺取付部１３ｂに設けられている手摺取付手段であるボルト穴を利用して手摺をボルト固定する（これらは不図示）。   Finally, after the removed rooftop component 32 is restored and the waterproof layer 33 is extended to the column 13a of the handrail mounting member 13 to complete the waterproofing, it is provided on the handrail mounting portion 13b of the handrail mounting member 13. The handrail is bolted using bolt holes which are handrail attachment means (these are not shown).

このように、梁取付部材１１の既存梁３１への固定位置と、手摺取付部材１３が螺合接続される筒状体１１ａのセンター位置が偏芯しているため構造的に不安定になりやすいものの、本発明においては、コンクリート系パネル３５にも床取付部材１２がボルト固定されるため、十分な支持構造で追加手摺を取り付けることができる。   As described above, the fixing position of the beam mounting member 11 to the existing beam 31 and the center position of the tubular body 11a to which the handrail mounting member 13 is screwed and connected are eccentric, so that the structure is likely to be unstable. However, in the present invention, since the floor mounting member 12 is bolted to the concrete panel 35, the additional handrail can be attached with a sufficient support structure.

また、既存梁３１にボルト固定される梁取付部材１１の板状体１１ｂは、筒状体１１ａの外周一方向に延出されているため、梁取付部材１１の筒状体１１ａ及びこれに螺合接続される手摺取付部材１３を既存梁３１のセンターから離れた状態で設置することができる。このため、パラペットが既存梁３１に近接して上部に延出している場合にも、手摺の形状に関わらずパラペットを回避して手摺を取り付けることができる。   Further, since the plate-like body 11b of the beam mounting member 11 fixed to the existing beam 31 is extended in one direction of the outer periphery of the cylindrical body 11a, the cylindrical body 11a of the beam mounting member 11 and the screw are attached thereto. The handrail attachment member 13 to be connected can be installed in a state separated from the center of the existing beam 31. For this reason, even when the parapet extends close to the existing beam 31, it can be attached while avoiding the parapet regardless of the shape of the handrail.

また、既存梁３１の上部フランジ３１ａの片側に梁取付部材１１をボルト固定するため、既存梁３１のセンター付近に前述したような吹上げ防止鉄筋が仕込まれている場合であっても、吹上げ防止鉄筋を避けて梁取付部材１１を据え付けるための開口部３６を屋上床構成材３２に設けることができ、既存の吹上げ防止構造を破損することなく追加手摺を取り付けることができる。   Further, since the beam mounting member 11 is bolted to one side of the upper flange 31 a of the existing beam 31, even if the above-described blowing prevention rebar is installed near the center of the existing beam 31, An opening 36 for installing the beam attachment member 11 while avoiding the prevention reinforcing bar can be provided in the rooftop component 32, and an additional handrail can be attached without damaging the existing blowing prevention structure.

また、本例のように床取付部材１２が板状体１１ｂの延出方向に対して９０度以上１７０度以下（本例では１３５度）の方向に延出されている場合には、図５に示すように、コンクリート系パネル３５の繋ぎ目５１に梁取付部材１１が位置していても、繋ぎ目５１を避けつつ床取付部材１２をコンクリート系パネル３５に強固に固定することができ、コンクリート系パネルの割付に関わらずあらゆる場所に十分な支持構造で追加手摺を取り付けることができる。一方、上記角度が９０度未満であると床取付部材１２による十分な補強効果が得ずらくなり、１７０度を超えるとコンクリート系パネル３５の繋ぎ目５１に床取付部材１２が重なり易くなり、前記と同様、床取付部材１２による十分な補強効果が得ずらくなる。   When the floor mounting member 12 is extended in the direction of 90 degrees or more and 170 degrees or less (135 degrees in this example) with respect to the extending direction of the plate-like body 11b as in this example, FIG. As shown in FIG. 4, even if the beam mounting member 11 is located at the joint 51 of the concrete panel 35, the floor mounting member 12 can be firmly fixed to the concrete panel 35 while avoiding the joint 51, Regardless of the assignment of the system panel, additional handrails can be attached to any place with a sufficient support structure. On the other hand, if the angle is less than 90 degrees, it is difficult to obtain a sufficient reinforcing effect by the floor mounting member 12, and if it exceeds 170 degrees, the floor mounting member 12 easily overlaps the joint 51 of the concrete-based panel 35. In the same manner, it is difficult to obtain a sufficient reinforcing effect by the floor mounting member 12.

また、本例のように既存梁３１の上フランジ３１ａよりも外側まで大きく開口部３６を設けた場合には、例えば図６に示すような特殊座金６１を用いることにより、前記ワンサイドボルトの代わりに一般的なボルト・ナットを用いて梁取付部材１１及び床取付部材１２をそれぞれ既存梁３１及びコンクリート系パネル３５に固定することもできる。この特殊座金６１は内周部分に弾性変形し得る突出片６１ａを有しており、図７に示すように、開口部３６から床下に手を入れて既存梁３１の上フランジ３１ａ及びコンクリート系パネル３５の下側からボルト穴にボルト７１，７２を差し込み、上側から特殊座金６１を装着すると、突出片６１ａによってボルト７１，７２が係止されるため、ボルト７１，７２は脱落することなく装着することができる。このようにしてボルト７１，７２を装着すれば、ワンサイドボルトを用いた時と同様に屋上からの作業だけで、図８に示すように、梁取付部材１１及び床取付部材１２をそれぞれ既存梁３１及びコンクリート系パネル３５に容易にボルト止めすることができる。   Further, when the opening 36 is provided to the outside of the upper flange 31a of the existing beam 31 as in the present example, a special washer 61 as shown in FIG. In addition, the beam mounting member 11 and the floor mounting member 12 can be fixed to the existing beam 31 and the concrete panel 35, respectively, using general bolts and nuts. The special washer 61 has a protruding piece 61a that can be elastically deformed on the inner peripheral portion. As shown in FIG. 7, the upper flange 31a of the existing beam 31 and the concrete panel are inserted by putting a hand under the floor from the opening 36. When the bolts 71 and 72 are inserted into the bolt holes from the lower side and the special washer 61 is mounted from the upper side, the bolts 71 and 72 are locked by the protruding piece 61a, so that the bolts 71 and 72 are mounted without dropping. be able to. If the bolts 71 and 72 are mounted in this manner, the beam mounting member 11 and the floor mounting member 12 are respectively attached to the existing beams as shown in FIG. 31 and the concrete panel 35 can be easily bolted.

また、本発明においては、例えば梁取付部材１１の筒状体１１ａの外側にもネジを切り、この筒状体１１ａに床取付部材１２を螺合接続して、床取付部材１２を筒状体１１ａに高さ調節可能に取り付けることにより、同じ手摺取付用金物を、厚みの異なるコンクリート系パネルを使用している建物にも用いることができる。   In the present invention, for example, a screw is also cut outside the cylindrical body 11a of the beam mounting member 11, and the floor mounting member 12 is screwed and connected to the cylindrical body 11a so that the floor mounting member 12 is connected to the cylindrical body. By attaching to 11a so that height adjustment is possible, the same handrail attachment hardware can be used also for the building which uses the concrete-type panel from which thickness differs.

本発明の一実施形態例に係る手摺（建築部材）取付用金物を示す斜視図である。It is a perspective view which shows the handrail (building member) attachment hardware based on the example of 1 embodiment of this invention. 図１の手摺取付用金物の梁取付部材と床取付部材の連結状態を示す上面図である。It is a top view which shows the connection state of the beam attachment member and floor attachment member of the handrail attachment hardware of FIG. 図１の手摺取付用金物を既存の鉄骨住宅の屋上に取り付けた状態を示す平面図である。It is a top view which shows the state which attached the handrail attachment hardware of FIG. 1 to the rooftop of the existing steel frame house. 図３中のＡ−Ａ’断面図である。FIG. 4 is a cross-sectional view taken along line A-A ′ in FIG. 3. 本発明の手摺取付用金物を既存の鉄骨住宅の屋上に取り付けた状態を示す別の平面図である。It is another top view which shows the state which attached the handrail attachment hardware of this invention to the rooftop of the existing steel frame house. 本発明で用いることができる特殊座金の一例を示す図である。It is a figure which shows an example of the special washer which can be used by this invention. 図６の特殊座金を用いて梁取付部材及び床取付部材をそれぞれ既存梁及びコンクリート系パネルにボルト止めする方法の説明図である。It is explanatory drawing of the method of bolting a beam attachment member and a floor attachment member to an existing beam and a concrete system panel using the special washer of FIG. 6, respectively. 図６の特殊座金を用いて梁取付部材及び床取付部材をそれぞれ既存梁及びコンクリート系パネルにボルト止めする方法の説明図である。It is explanatory drawing of the method of bolting a beam attachment member and a floor attachment member to an existing beam and a concrete system panel using the special washer of FIG. 6, respectively. 屋上の床材としてコンクリート系パネルを用いたフラット屋根の吹上げ防止構造を示す図である。It is a figure which shows the blowing-up prevention structure of the flat roof using a concrete-type panel as a roofing material.

符号の説明Explanation of symbols

１０ 手摺（建築部材）取付用金物
１１ 梁取付部材
１１ａ 筒状体
１１ｂ 板状体
１１ｃ 補強材
１１ｄ ボルト穴
１２ 床取付部材
１２ａ ボルト穴
１３ 手摺（建築部材）取付部材
１３ａ 支柱
１３ｂ 手摺（建築部材）取付部
１３ｃ ボルト穴
３１ 既存梁
３１ａ 上フランジ
３２ 屋上床構成材
３３ 防水層
３４ 断熱層
３５ コンクリート系パネル
３６ 開口部
３７ 外壁
３８ ボルト穴
３９、４０ ワンサイドボルト
６１ 特殊座金
６１ａ 突出片
７１、７２ ボルト
９１ コンクリート系パネル
９２ 吹上げ防止突起
９３ 吹上げ防止鉄筋
９４ 梁
９５ 外壁
９６ 防水層
９７ 断熱層 DESCRIPTION OF SYMBOLS 10 Handrail (building member) attachment hardware 11 Beam attachment member 11a Tubular body 11b Plate-like body 11c Reinforcement material 11d Bolt hole 12 Floor attachment member 12a Bolt hole 13 Handrail (building member) attachment member 13a Post 13b Handrail (construction member) Mounting portion 13c Bolt hole 31 Existing beam 31a Upper flange 32 Roof floor component 33 Waterproof layer 34 Heat insulation layer 35 Concrete panel 36 Opening portion 37 Outer wall 38 Bolt hole 39, 40 One side bolt 61 Special washer 61a Projection piece 71, 72 Bolt 91 Concrete panel 92 Blow-up prevention protrusion 93 Blow-up prevention rebar 94 Beam 95 Outer wall 96 Waterproof layer 97 Heat insulation layer

Claims (5)

屋上の床材にコンクリート系パネルを用いている既存の鉄骨住宅の屋上に建築部材を取り付けるための建築部材取付用金物であって、
筒状体の下部にその外周一方向に延出された板状体を有し、該板状体の延出端近傍に設けられたボルト穴を介して既存梁の上部フランジの片側上面にボルト固定される梁取付部材と、
前記筒状体の上部に前記板状体とは異なる方向に延出され、この延出端近傍に設けられたボルト穴を介してコンクリート系パネルの上面にボルト固定される床取付部材と、
前記筒状体に螺合接続され、上部に建築部材取付部を有する建築部材取付部材と、
からなることを特徴とする建築部材取付用金物。 It is a hardware for mounting a building member for mounting a building member on the rooftop of an existing steel-framed house that uses a concrete-based panel for the rooftop,
It has a plate-like body extending in the outer peripheral one direction at the lower part of the cylindrical body, and a bolt on one upper surface of the upper flange of the existing beam through a bolt hole provided in the vicinity of the extended end of the plate-like body A beam mounting member to be fixed;
A floor mounting member that extends in the direction different from the plate-like body at the top of the cylindrical body, and is bolted to the upper surface of the concrete panel through a bolt hole provided in the vicinity of the extended end;
A building member mounting member screwed to the tubular body and having a building member mounting portion on the upper part,
A hardware for mounting a building member, comprising: 前記床取付部材は、前記板状体の延出方向に対して９０度以上１７０度以下の方向に延出されていることを特徴とする請求項１に記載の建築部材取付用金物。   The building member mounting hardware according to claim 1, wherein the floor mounting member is extended in a direction of 90 degrees or more and 170 degrees or less with respect to the extending direction of the plate-like body. 前記床取付部材は、前記筒状体に高さ調節可能に取り付けられていることを特徴とする請求項１に記載の建築部材取付用金物。   The said floor mounting member is attached to the said cylindrical body so that height adjustment is possible, The building member attachment hardware of Claim 1 characterized by the above-mentioned. 請求項１乃至３のいずれかに記載の建築部材取付用金物を用いた建築部材取付構造であって、
既存梁の上方の屋上床構成材が取り除かれた開口部を貫通して、前記既存梁の上部フランジの片側上面に前記梁取付部材がボルト固定され、
前記開口部に近接する床材の上面に前記床取付部材がボルト固定され、
前記梁取付部材の筒状体に螺合接続された建築部材取付部材の建築部材取付部に、建築部材取付手段が設けられていることを特徴とする建築部材取付構造。 A building member mounting structure using the building member mounting hardware according to claim 1,
The beam mounting member is bolted to the upper surface of one side of the upper flange of the existing beam through the opening from which the rooftop component above the existing beam has been removed,
The floor mounting member is bolted to the upper surface of the flooring adjacent to the opening,
A building member mounting structure, wherein building member mounting means is provided in a building member mounting portion of a building member mounting member screwed and connected to the tubular body of the beam mounting member. 梁取付部材と建築部材取付部材とを有する建築部材取付用金物を用いた建築部材取付方法であって、
既存梁の上方の屋上床構成材に開口部を設ける工程と、
前記開口部を貫通して、前記既存梁の上部フランジに前記梁取付部材をボルト固定する工程と、
前記梁取付部材の筒状体に前記建築部材取付部材を螺合接続する工程と、
を有することを特徴とする建築部材取付方法。 A building member mounting method using a building member mounting hardware having a beam mounting member and a building member mounting member,
Providing an opening in the rooftop component above the existing beam;
Passing through the opening and bolting the beam mounting member to the upper flange of the existing beam; and
A step of screwing and connecting the building member mounting member to the tubular body of the beam mounting member;
A building member mounting method characterized by comprising:
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JP5435458B2 (en) * 2009-05-18 2014-03-05 旭化成ホームズ株式会社 Support hardware fixing structure
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JP6115518B2 (en) * 2014-05-21 2017-04-19 積水ハウス株式会社 How to install the support legs of the solar cell module mount on the flat roof
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Citations (4)

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Publication number Priority date Publication date Assignee Title
JPS5813309U (en) * 1981-07-17 1983-01-27 旭化成株式会社 ALC board mounting device
JPS62151334U (en) * 1986-03-18 1987-09-25
JPH0434165A (en) * 1990-05-31 1992-02-05 Asahi Chem Ind Co Ltd Handrail
JP2005097847A (en) * 2003-09-22 2005-04-14 Asahi Kasei Homes Kk Column fixing structure

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5813309U (en) * 1981-07-17 1983-01-27 旭化成株式会社 ALC board mounting device
JPS62151334U (en) * 1986-03-18 1987-09-25
JPH0434165A (en) * 1990-05-31 1992-02-05 Asahi Chem Ind Co Ltd Handrail
JP2005097847A (en) * 2003-09-22 2005-04-14 Asahi Kasei Homes Kk Column fixing structure

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