JPH10140851A - Reinforcing steel frame assembling method for reinforced concrete building - Google Patents
Reinforcing steel frame assembling method for reinforced concrete buildingInfo
- Publication number
- JPH10140851A JPH10140851A JP29698796A JP29698796A JPH10140851A JP H10140851 A JPH10140851 A JP H10140851A JP 29698796 A JP29698796 A JP 29698796A JP 29698796 A JP29698796 A JP 29698796A JP H10140851 A JPH10140851 A JP H10140851A
- Authority
- JP
- Japan
- Prior art keywords
- steel frame
- concrete building
- reinforcing steel
- reinforced concrete
- fixing
- 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.)
- Granted
Links
Landscapes
- Working Measures On Existing Buildindgs (AREA)
Abstract
Description
【0001】[0001]
【産業上の利用分野】該存の鉄筋コンクリート建物の上
下の階層部間に方形枠状の補強鉄骨フレームを建て込ん
で、該鉄筋コンクリート建物の耐震性を向上させるよう
にしてあるが、本発明は斯様な補強鉄骨フレームを鉄筋
コンクリート建物に建て込む工法に関するものである。BACKGROUND OF THE INVENTION A reinforcing steel frame in the form of a rectangular frame is installed between the upper and lower layers of an existing reinforced concrete building to improve the earthquake resistance of the reinforced concrete building. The present invention relates to a method of building such a reinforced steel frame into a reinforced concrete building.
【0002】[0002]
【従来の技術】現場で、すなわち、上下の階層部間でい
くつかの部材に分れた鉄骨を互いにボルト接合しフレー
ム状に組立て、クレーンと人力により建て込んでいる。2. Description of the Related Art A steel frame divided into several members at the site, that is, between upper and lower layers, is bolted to each other, assembled into a frame, and built by a crane and human power.
【0003】[0003]
【発明が解決しようとする課題】従来例は、現場すなわ
ち鉄筋コンクリート建物内という狭い空間域で、しかも
設備の整わない場所で鉄骨を組立て、建て込み位置の確
定しにくい状態で上下の階層部間に補強鉄骨フレームを
設置するようにしているため、作業性が悪く、安全性に
も問題がある。In the prior art, a steel frame is assembled in a narrow space of a site, that is, in a reinforced concrete building, and in a place where facilities are not provided. Since the reinforced steel frame is installed, workability is poor and there is a problem in safety.
【0004】本発明は斯様な従来例に着目し、作業性に
優れ、安全性が高く、現場での工期の短縮の図れる、コ
ンクリート建物の補強鉄骨フレームの建て込み工法を提
供することにを目的として創案したものである。The present invention pays attention to such a conventional example, and aims to provide a method of embedding a reinforcing steel frame of a concrete building, which is excellent in workability, high in safety, and can shorten the construction period on site. It was created for the purpose.
【0005】[0005]
【課題を解決するための手段】コンクリート建物の上側
階層部と下側階層部に端部を取外し可能に固定して一対
の固定用仮柱を前記上下の階層部間に設置し、予め形成
した補強鉄骨フレームを前記上下の階層部間に係合して
前記固定用仮柱に取外し可能に取付けて支持させた後、
前記補強鉄骨フレームを前記上下の階層部に直接固定
し、しかる後、前記固定用仮柱をコンクリート建物およ
び補強鉄骨フレームより取り外すことを特徴とする基本
的手段とする。Means for Solving the Problems A pair of fixing temporary pillars are installed between the upper and lower layers by detachably fixing the ends to the upper and lower layers of the concrete building. After engaging the reinforcing steel frame between the upper and lower layers and detachably attaching and supporting the temporary column for fixing,
The basic means is that the reinforcing steel frame is directly fixed to the upper and lower layers, and then the temporary fixing column is removed from the concrete building and the reinforcing steel frame.
【0006】[0006]
【実施例】図面は本発明に係るコンクリート建物の補強
鉄骨フレームの建て込み工法を適用した装置例を示し、
図1は補強鉄骨フレームを建て込む直前の斜視図、図2
は補強鉄骨フレームをコンクリート建物に固定した状態
の断面図、図3は補強鉄骨フレームをコンクリート建物
に建て込むために用いる器具の斜視図である。BRIEF DESCRIPTION OF THE DRAWINGS The drawings show an example of an apparatus to which a method of embedding a reinforcing steel frame of a concrete building according to the present invention is applied,
FIG. 1 is a perspective view just before the reinforcing steel frame is built, and FIG.
FIG. 3 is a cross-sectional view of a state in which the reinforcing steel frame is fixed to a concrete building. FIG. 3 is a perspective view of a device used for installing the reinforcing steel frame in the concrete building.
【0007】実施例のものは、一対の固定用仮柱1、1
をコンクリート建物Bに取外し可能に固定し、上下のジ
ョイント部品2A、2Bを取外し可能に固定した補強鉄
骨フレーム3を建て込み架台4を用いて吊り込み、前記
補強鉄骨フレーム3を前記ジョイント部品2A、2Bに
おいてボルトおよびナットによって前記固定用仮柱1
2、1に固定し、補強鉄骨フレーム3とコンクリート建
物Bとの間にモルタル4を充填して補強鉄骨フレーム3
をコンクリート建物Bに固定した後、固定用仮柱1とジ
ョイント部品2A、2Bを、コンクリート建物Bないし
補強鉄骨フレーム3より取り外して当該工法を終了する
のである。In the embodiment, a pair of fixing temporary columns 1, 1
Is removably fixed to a concrete building B, and a reinforcing steel frame 3 to which the upper and lower joint parts 2A and 2B are removably fixed is erected using a gantry 4 and the reinforcing steel frame 3 is connected to the joint part 2A, 2B, the fixing temporary column 1 is fixed by bolts and nuts.
2 and 1 and filling the mortar 4 between the reinforcing steel frame 3 and the concrete building B and reinforcing the steel frame 3
Is fixed to the concrete building B, the temporary fixing column 1 and the joint parts 2A, 2B are removed from the concrete building B or the reinforcing steel frame 3, and the method is completed.
【0008】固定用仮柱1は鉄骨(形鋼)製の主体杆1
aの下端に鉄板より成る台座1bを熔接して構成したも
ので、主体杆1aの上端部には、前記コンクリート建物
Bの上側階層部B1のはり5に突設した埋込みボルト
(ケミカルアンカーやメカニカルアンカーなど)6の挿
通孔7を、また、台座1bには前記コンクリート建物B
の下側階層部B2のスラブ5´に突設した埋込みボルト
(ケミカルアンカーやメカニカルアンカーなど)6´の
挿通孔7´をそれぞれ設け、主体杆1aの中間部の上部
側および下部側には、前記ジョイント部品2A、2Bの
透孔8と一致する挿通孔7´´を設けてある。The temporary fixing column 1 is a main rod 1 made of steel (shape steel).
A base 1b made of an iron plate is welded to the lower end of the main building 1a. At the upper end of the main rod 1a, embedded bolts (chemical anchors or mechanicals) projecting from the beam 5 of the upper story B1 of the concrete building B are provided. Anchor 6), and the pedestal 1b has the concrete building B
The insertion holes 7 'of the embedding bolts (chemical anchors, mechanical anchors, etc.) 6' protruding from the slab 5 'of the lower hierarchical portion B2 are respectively provided, and the upper and lower sides of the intermediate portion of the main rod 1a are provided. An insertion hole 7 '' is provided which matches the through hole 8 of the joint component 2A, 2B.
【0009】すなわち、固定用仮柱1は、主体杆1aの
上端部の挿通孔7に上側階層部B1のはり5に突設した
埋込みボルト6を貫通させてこれにナット10を螺合し
て締付け、また、台座1bに設けた挿通孔7´に下側階
層部B2側のスラブ5´に突設した埋込みボルト6´を
貫通させてこれにナット10´を螺合して締め付けて前
記上下の階層部B1、B2に上下端部を取外し可能に固
定して設置され、ナット10、10´を緩めることによ
りコンクリート建物B(上側階層部B1と下側階層部B
2)より取り外しができるようになっている。That is, in the temporary fixing column 1, an embedding bolt 6 protruding from the beam 5 of the upper hierarchical portion B1 penetrates through an insertion hole 7 at the upper end of the main rod 1a, and a nut 10 is screwed into this. Further, an embedded bolt 6 ′ protruding from the slab 5 ′ on the side of the lower layer portion B 2 is passed through an insertion hole 7 ′ provided in the pedestal 1 b, and a nut 10 ′ is screwed and fastened to the upper and lower sides. Of the concrete building B (the upper story B1 and the lower story B) by loosening the nuts 10 and 10 '.
2) It can be removed more.
【0010】前記ジョイント部品2A、2Bは、鉄骨
(形鋼など)を熔接して枠組した方形状の主体枠3aに
補強枠3bを組付けて構成した前記補強鉄骨フレーム3
の上枠3´と下枠3´´にボルト11およびナット12
によって取り外し可能に締付けたものである。The joint parts 2A and 2B are formed by attaching a reinforcing frame 3b to a rectangular main frame 3a formed by welding and welding a steel frame (such as a section steel).
Bolts 11 and nuts 12 on the upper frame 3 ′ and the lower frame 3 ″.
It is fastened so that it can be removed.
【0011】すなわち、ジョイント部品2A、2Bは前
記補強鉄骨フレーム3にボルト11およびナット12で
締付けておき、建て込み架台4によって吊込まれた該鉄
骨フレーム3をコンクリート建物B側に前記の通り固定
した固定用仮柱1に取り外し可能に取付けるために用い
るもので、先端面側に設けた透孔8を前記挿通孔7´´
に一致させ、これにボルト11´を貫通させてナット1
2´を螺合締付けることによって補強鉄骨フレーム3は
固定用仮柱1に取外し可能に取付けられるのである。That is, the joint parts 2A, 2B are fastened to the reinforcing steel frame 3 with bolts 11 and nuts 12, and the steel frame 3 suspended by the built-in gantry 4 is fixed to the concrete building B side as described above. Is used for detachably attaching to the fixed temporary column 1, and the through hole 8 provided on the distal end face side is inserted into the insertion hole 7 ″.
And the nut 11 is passed through the bolt 11 '.
The reinforcing steel frame 3 is removably attached to the temporary fixing column 1 by screwing and tightening 2 '.
【0012】前記建て込み架台4は鉄製の基盤4aに鉄
骨(形鋼など)製の構成杆4b、4b´を組付けて構成
したもので、適所にクレーンのフックを掛止する受止片
16、16´を前後にして設けて上端両側に配した一対
の構成杆4b、4bを前方に突出させ、その先端に前記
上側のジョイント部品2Aとボルト11´´およびナッ
ト12´´で互いに分離可能に取り付けるための透孔8
´を設けたものである。The gantry 4 is composed of an iron base 4a and steel rods 4b, 4b 'made of a steel frame (shaped steel, etc.), and a receiving piece 16 for hooking a crane hook in place. , 16 ′ provided front and rear, and a pair of constituent rods 4 b, 4 b disposed on both sides of the upper end protrude forward, and the ends thereof can be separated from each other by the upper joint part 2 A and bolts 11 ″ and nuts 12 ″. Through holes 8 for mounting on
'Is provided.
【0013】すなわち、建て込み架台4は、上端両側に
配した一対の構成杆4b、4bの先端に上側ジョイント
部品4Aを介して前記補強鉄骨フレーム3を取り外し可
能に取付けておき、前方側の受止片16にフックを掛止
してクレーンによって前記固定用仮柱1位置に吊り上げ
移動され、ジョイント部品2A、2Bを前記の通りのボ
ルト11´およびなっと12´によって締付けた後、ク
レーンのフックを後側の受止片16´に掛止変えしてボ
ルト11´´およびナット12´´を上側ジョイント部
品2Aすなわち前記鉄骨フレーム3より取り外すように
して用いるもので、コンクリート建物Bすなわち上側階
層部B1と下側階層部B2との間に補強鉄骨フレーム3
を吊り込み、該フレーム3を固定用仮柱1に固定支持さ
せるまで、当該鉄骨フレーム3を保持するものである。That is, the erection frame 4 is detachably attached to the front ends of a pair of constituent rods 4b, 4b arranged on both sides of the upper end via the upper joint part 4A, and the front support member 4b is provided. After the hook is hooked on the stopper 16 and lifted and moved to the position of the temporary fixing column 1 by a crane, and the joint parts 2A and 2B are tightened by the bolts 11 'and 12' as described above, Is used in such a manner that the bolt 11 '' and the nut 12 '' are detached from the upper joint part 2A, that is, the steel frame 3, and the concrete building B, that is, the upper story portion. Reinforced steel frame 3 between B1 and lower layer portion B2
And hold the steel frame 3 until the frame 3 is fixedly supported on the temporary fixing column 1.
【0014】なお、補強鉄骨フレーム3を固定用仮柱1
に上下のジョイント部品2A、2Bを介してボルト11
´およびナット12´に(仮)固定した後、ボルト11
´´およびナット12´´を取り外すようにして建て込
み架台4をクレーンで地上へ移す際、該クレーンのフッ
クを前方側の受止片16より後方側の受止片16´に掛
け変えるのは、クレーンで支持する際の建て込み架台4
のバランスをとるためである。The reinforcing steel frame 3 is fixed to the temporary column 1 for fixing.
And bolts 11 via upper and lower joint parts 2A and 2B.
′ And nut 12 ′ (temporarily), then bolt 11
When the gantry 4 is moved to the ground with a crane by removing the '' and the nut 12 '', the hook of the crane is replaced with the receiving piece 16 'on the rear side from the receiving piece 16 on the front side. Gantry 4 when supported by a crane
It is to balance.
【0015】なお、また、実施例では、一対の固定用仮
柱をコンクリート建物の上側階層部と下側階層部間に取
外し可能に設置し、該固定用仮柱に補強鉄骨フレームを
取外し可能に支持させるようにしてあるから、補強鉄骨
フレームのコンクリート建物に対する仮止め(固定)を
簡単かつ確実に行うことができる。Further, in the embodiment, a pair of temporary columns for fixing is detachably installed between the upper story part and the lower story part of the concrete building, and the reinforcing steel frame can be detached from the temporary pillar for fixing. Since it is supported, the temporary fixing (fixing) of the reinforcing steel frame to the concrete building can be easily and reliably performed.
【0016】[0016]
【発明の効果】本発明は、前記の通りの構成であるか
ら、作業性に優れ、安全性が高く、現場での工期の短縮
の図ることができる。Since the present invention has the above-described structure, it is excellent in workability, high in safety, and can shorten the construction period on site.
【図1】補強鉄骨フレームを建て込む直前の斜視図。FIG. 1 is a perspective view immediately before a reinforcing steel frame is built.
【図2】補強鉄骨フレームをコンクリート建物に固定し
た状態の断面図。FIG. 2 is a sectional view showing a state in which a reinforcing steel frame is fixed to a concrete building.
【図3】補強鉄骨フレームを鉄筋コンクリート建物に建
て込むために用いる器具の斜視図。FIG. 3 is a perspective view of an instrument used to build a reinforced steel frame into a reinforced concrete building.
B 鉄筋コンクリート建物 B1 上側階層部 B2 下側階層部 1 固定用仮柱 3 補強鉄骨フレーム B Reinforced concrete building B1 Upper story B2 Lower story 1 Temporary fixing column 3 Reinforced steel frame
Claims (1)
側階層部に端部を取外し可能に固定して一対の固定用仮
柱を前記上下の階層部間に設置し、予め形成した補強鉄
骨フレームを前記上下の階層部間に係合して前記固定用
仮柱に取外し可能に取付けて支持させた後、前記補強鉄
骨フレームを前記上下の階層部に直接固定し、しかる
後、前記固定用仮柱を鉄筋コンクリート建物および補強
鉄骨フレームより取り外すことを特徴とする、鉄筋コン
クリート建物の補強鉄骨フレームの建て込み工法。1. A pair of temporary columns for fixation are installed between upper and lower layers of a reinforced concrete building by removably fixing ends to upper and lower layers of the reinforced concrete building. After engaging between the upper and lower layer portions and detachably attaching and supporting the fixing temporary column, the reinforcing steel frame is directly fixed to the upper and lower layer portions, and then the temporary column for fixing is fixed. Removing the reinforced concrete frame from the reinforced concrete building and the reinforced steel frame.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP29698796A JP2904752B2 (en) | 1996-11-11 | 1996-11-11 | Construction method of reinforced steel frame of reinforced concrete building |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP29698796A JP2904752B2 (en) | 1996-11-11 | 1996-11-11 | Construction method of reinforced steel frame of reinforced concrete building |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH10140851A true JPH10140851A (en) | 1998-05-26 |
JP2904752B2 JP2904752B2 (en) | 1999-06-14 |
Family
ID=17840793
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP29698796A Expired - Lifetime JP2904752B2 (en) | 1996-11-11 | 1996-11-11 | Construction method of reinforced steel frame of reinforced concrete building |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2904752B2 (en) |
-
1996
- 1996-11-11 JP JP29698796A patent/JP2904752B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP2904752B2 (en) | 1999-06-14 |
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