JPH0447047A - Method for connecting precast column and precast girder - Google Patents
Method for connecting precast column and precast girderInfo
- Publication number
- JPH0447047A JPH0447047A JP15634690A JP15634690A JPH0447047A JP H0447047 A JPH0447047 A JP H0447047A JP 15634690 A JP15634690 A JP 15634690A JP 15634690 A JP15634690 A JP 15634690A JP H0447047 A JPH0447047 A JP H0447047A
- Authority
- JP
- Japan
- Prior art keywords
- precast
- column
- beams
- steel material
- joint
- 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
- 238000000034 method Methods 0.000 title claims description 14
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 41
- 239000010959 steel Substances 0.000 claims abstract description 41
- 238000003780 insertion Methods 0.000 claims abstract description 27
- 230000037431 insertion Effects 0.000 claims abstract description 26
- 239000000463 material Substances 0.000 claims description 30
- 238000012856 packing Methods 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 3
- 239000013013 elastic material Substances 0.000 claims description 2
- 230000035515 penetration Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 5
- 125000006850 spacer group Chemical group 0.000 description 6
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Joining Of Building Structures In Genera (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
Description
【発明の詳細な説明】
(産業上の利用分野)
本発明は、プレキャスト部材を使用した多階構築物の横
築に用いるプレキャスト柱、梁の連結方法に関する。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a method for connecting precast columns and beams used in horizontal construction of multi-story structures using precast members.
(従来の技術)
従来、コンクリート製のプレキャスト柱とプレキャスト
梁との連結方法として、第4図に示す如き方法かある。(Prior Art) Conventionally, as a method of connecting a concrete precast column and a precast beam, there is a method as shown in FIG. 4.
この方法は、プレキャスト柱1とプレキャスト梁2との
間に目地コンクリート3を介在させるとともに両者に連
続させてpcg材4を挿通し、これを緊張して一体化さ
せるものである。In this method, joint concrete 3 is interposed between a precast column 1 and a precast beam 2, and a PCG material 4 is continuously inserted between the two and integrated under tension.
この種の従来方法では、予めプレキャスト柱1及びプレ
キャスト梁2にシース5.6を埋設しておき、プレキャ
スト梁2の端部をプレキャスト柱1から張り出させた仮
設用ブラケット7上に支持させ、目地部に目地シース8
を挿入して両シース5.6間を連通させ、然る後、シー
ス5,8.6内に鋼棒やストランド等のPC鋼材4を挿
入し、目地コンクリート3を打設し、その固化を待って
PCII材4を緊張し、柱梁1.2間にプレストレスを
付与することにより両者間を一体化させている。In this type of conventional method, a sheath 5.6 is buried in the precast column 1 and the precast beam 2 in advance, and the end of the precast beam 2 is supported on a temporary bracket 7 extending from the precast column 1. Joint sheath 8 at the joint part
After that, a PC steel material 4 such as a steel rod or strand is inserted into the sheaths 5 and 8.6, and joint concrete 3 is poured, allowing it to solidify. After waiting, the PCII material 4 is tensed, and prestress is applied between the columns and beams 1 and 2, thereby integrating the two.
また、場合によっては目地コンクリート3の打設前に、
該目地部にスペーサ9を介在させた状態でPCa材4を
仮緊張して柱梁の組立を順次行い、然る後、仮緊張を解
き、スペーサ9を外して目地コンクリート3を打設する
方法が採られている。In addition, in some cases, before placing joint concrete 3,
A method in which columns and beams are assembled in sequence by temporarily tensioning the PCa material 4 with spacers 9 interposed at the joints, and then releasing the temporary tension, removing the spacers 9, and pouring joint concrete 3. is taken.
シース5,6.8には、リブ付きの鋼板を螺旋状に巻い
て筒状にしたいわゆる螺旋巻管シースが使用され、目地
シース8の径を他の両シース5゜6に嵌り合う大きさに
し、該目地シース8の両端を両シース5,6内側もしく
は外側に螺嵌させて互いに連通させている。For the sheaths 5 and 6.8, a so-called spiral-wound tube sheath, which is made by spirally winding a ribbed steel plate into a cylindrical shape, is used, and the diameter of the joint sheath 8 is set to a size that fits into the other two sheaths 5.6. Both ends of the joint sheath 8 are screwed inside or outside both sheaths 5 and 6 to communicate with each other.
(発明が解決しようとする課題)
上述の如き従来の連結方法では、目地にシースを使用す
るため、目地幅か小さくなると従来のシースが使用でき
ず、近年小目地幅の連結が要望されつつあるが、これに
対応できないという問題が生じてきた。(Problem to be solved by the invention) In the conventional connection method as described above, a sheath is used for the joint, so if the joint width becomes small, the conventional sheath cannot be used, and in recent years there has been a demand for connection of small joint widths. However, the problem has arisen that it cannot cope with this problem.
また、仮緊張する際に、スペーサが必要であり、その設
置に多くの手数を要するばかりでなく、不安定であり、
建方時には転倒防止のための斜材が必要であるという問
題があった。In addition, when applying temporary tension, a spacer is required, which not only requires a lot of effort to install, but also is unstable.
During construction, there was a problem in that diagonal members were required to prevent the building from falling over.
(課題を解決するための手段)
本発明は上述の如き従来の問題を解決せんとしてなされ
たものであり、その特徴とするところは、互いに連結す
るプレキャスト柱とプレキャスト梁のPC鋼材挿通孔地
部用連結筒を介して連結するとともに、該目地部用連結
筒を埋め込んで前記柱及び梁間に目地コンクリートを打
設するとともに、前記柱梁のPC鋼材挿通孔及び連結筒
に連続させてPC鋼材を挿通し、該PC鋼材を緊張させ
て柱梁間を一体化させるプレキャスト柱梁の連結方法に
おいて、前記プレキャスト柱もしくは梁の一方のPCi
l材挿通孔の端部に円筒状をした金属製の目地部用連結
筒を該PC鋼材挿通孔の長手方向に螺進退自在に嵌合さ
せておき、前記プレキャスト梁をプレキャスト柱に対し
て所定の連結位置に設置後、前記目地部用連結筒を対向
するPC鋼材挿通孔側に螺進させて、その先端をゴム等
の弾性材からなるパツキンを介して該pcs材挿通挿通
孔口端部周縁に当接させて、前記柱及び梁のPC鋼材挿
通挿通孔いに連結させることにある。(Means for Solving the Problems) The present invention was made to solve the above-mentioned conventional problems, and its feature is that the precast column and precast beam that are connected to each other have a PC steel insertion hole base. At the same time, the connecting tube for the joint part is embedded and joint concrete is cast between the columns and beams, and the PC steel material is connected to the column and beam through the PC steel insertion hole and the connecting tube. In a precast column and beam connection method that integrates the columns and beams by inserting the PC steel material and tensioning the PC steel material, the PCi of one of the precast columns or beams is
A cylindrical metal joint joint tube is fitted into the end of the PC steel insertion hole so that it can be screwed forward and backward in the longitudinal direction of the PC steel insertion hole, and the precast beam is placed in a predetermined position relative to the precast column. After installation at the connecting position, screw the connecting tube for the joint part toward the opposing PC steel material insertion hole side, and insert the tip of the pipe through a packing made of an elastic material such as rubber to the end of the PCS material insertion hole opening. The purpose is to abut the peripheral edges and connect to the PC steel material insertion holes of the columns and beams.
(作用)
本発明のプレキャスト柱梁の連結方法によれば、柱及び
梁を所定の向きに配置させた後、そのいずれか一方側に
螺嵌されている目地用達結節を旋回させることにより、
他方側に螺進されてバ・ンキンに先端か圧接される。(Function) According to the method for connecting precast columns and beams of the present invention, after arranging the columns and beams in a predetermined direction, by rotating the joint joints screwed onto either side thereof,
It is screwed to the other side and the tip is pressed against the bangin.
これによって、プレキャスト柱及び梁のPC鋼材挿通孔
が互いに連通されるとともに、目地用達結節が後の仮緊
張の際のスペーサを兼用する。As a result, the PC steel material insertion holes of the precast columns and beams are communicated with each other, and the joint joints also serve as spacers during temporary tensioning later.
(実施例)
次に本発明の実施例を第1図〜第3図について説明する
。(Example) Next, an example of the present invention will be described with reference to FIGS. 1 to 3.
第1図は本発明方法により連結したプレキャスト柱梁の
連結部を示している0図において11はコンクリート製
のプレキャスト柱であり、12は同じくプレキャスト梁
、13は現場打の目地コンクリートである。FIG. 1 shows a joint of precast columns and beams connected by the method of the present invention. In FIG. 0, 11 is a precast column made of concrete, 12 is a precast beam, and 13 is joint concrete cast in place.
プレキャスト柱11には予め梁連結のための仮設用ブラ
ケットllaが突設されているとともに、PC鋼材挿通
孔14が該柱を水平方向に横断する向きに貫通開口され
ている。このPCmCm通挿通孔14常使用されている
螺旋巻管等のシース14aを埋設することにより成形し
ている。A temporary bracket lla for beam connection is provided in advance on the precast column 11 in a protruding manner, and a PC steel material insertion hole 14 is opened through the column in a direction that crosses the column in the horizontal direction. This PCmCm through-insertion hole 14 is formed by embedding a commonly used sheath 14a such as a spirally wound tube.
プレキャスト梁12には長手方向に向けてPC鋼材挿通
孔15が貫通開口されている。A PC steel material insertion hole 15 is opened through the precast beam 12 in the longitudinal direction.
このPC鋼材挿通孔15は、螺旋巻管等のシース15a
と端部金具16をプレキャスト梁12内に埋設して成形
している。端部金具16は、鋼管パイプ16aとその先
端に溶接したナツト16bとからなり、ナツト16b側
がプレキャスト梁12の端面側に露出し、鋼管パイプ1
6aの先端外周にシース15aの端部が嵌合されている
。This PC steel material insertion hole 15 is connected to a sheath 15a of a spirally wound pipe or the like.
The end fittings 16 are embedded in the precast beam 12 and molded. The end fitting 16 consists of a steel pipe 16a and a nut 16b welded to the tip thereof.The nut 16b side is exposed on the end surface side of the precast beam 12,
The end of the sheath 15a is fitted onto the outer periphery of the distal end of the sheath 6a.
なお、プレキャスト梁12の端面には凹陥部17が成形
され、その凹陥部17の奥部にナツト16bが埋設固定
されている。A concave portion 17 is formed on the end face of the precast beam 12, and a nut 16b is embedded and fixed in the deep part of the concave portion 17.
端部金具16内には、ナツト16bに螺嵌されて目地部
用の連結筒20の−f!IA@が挿入されている。連結
筒20は砲金等の金属材料により円筒状に成形されてお
り、その外周にナツト16bに嵌まり合う雄ねじ20a
が刻設されている。Inside the end fitting 16, there is a joint tube 20 screwed into the nut 16b. IA@ is inserted. The connecting cylinder 20 is formed into a cylindrical shape from a metal material such as gunmetal, and has a male thread 20a on its outer periphery that fits into the nut 16b.
is engraved.
また、連結f@20の先端部外周は、パイプレンチやス
パナ−等の回転工具か嵌合できる多角形状の部回転操作
部20bか一体に備えられている。Further, the outer periphery of the distal end of the connection f@20 is integrally provided with a polygonal rotation operating portion 20b into which a rotary tool such as a pipe wrench or spanner can be fitted.
連結筒20の先端は、プレキャスト柱11のPC鋼材挿
通孔14の開口周縁部に対し、ゴム製のパツキン21を
介して圧接されている。The tip of the connecting cylinder 20 is pressed against the opening peripheral portion of the PC steel material insertion hole 14 of the precast column 11 via a rubber packing 21 .
目地コンクリート13は、連結筒20を埋め込んで現場
打されたものであり、この連結FJ20によって連通さ
れた両PC鋼材挿通孔15,16にPC鋼材22を挿通
し、これをプレキャスト梁11の背面側にて緊張して全
体にプレストレスを付与し、端部を定着金具23にて定
着し、柱梁を一体化させている。The joint concrete 13 is cast on-site by embedding the connecting pipe 20, and inserts the PC steel material 22 into both the PC steel material insertion holes 15, 16 communicated by the connection FJ20, and inserts the PC steel material 22 into the back side of the precast beam 11. The pillars and beams are tensioned to apply prestress to the entire structure, and the ends are fixed with fixing fittings 23 to integrate the pillars and beams.
次にこの連結部の連結工程について述べるプレキャスト
梁12の端部金具16内には、予め連結f120を挿入
しておき、立設したプレキャスト柱11の仮設用ブラケ
ットlla上にプレキャスト梁12の端部を支持させて
横架する。Next, we will discuss the connection process of this connection part.The connection f120 is inserted in advance into the end fitting 16 of the precast beam 12, and the end of the precast beam 12 is placed on the temporary bracket lla of the precast column 11 that is erected. Support it and hang it horizontally.
次いで目地部に工具を挿入して連結筒20を回転させ、
プレキャスト柱11側に移動させる。プレキャスト柱1
1には、PC鋼材挿通孔14の端部周縁にパツキン21
を貼り付けておき、そのパツキン21の表面に圧接する
まで連結筒20を螺進させる。Next, insert a tool into the joint and rotate the connecting tube 20.
Move it to the precast column 11 side. Precast column 1
1, a packing 21 is attached to the periphery of the end of the PC steel material insertion hole 14.
is attached, and the connecting cylinder 20 is screwed until it comes into pressure contact with the surface of the packing 21.
このようにしてプレキャスト柱梁11.t2のPC鋼材
挿通孔14.15を連結筒20を介して連通された後、
それらの中にPC鋼材22を挿通し、プレキャスト柱1
1の背面にて仮緊張する。In this way, the precast column and beam 11. After the PC steel material insertion hole 14.15 at t2 is connected through the connecting tube 20,
Insert the PC steel material 22 into them, and
Tentatively tense at the back of 1.
この仮緊張によってプレキャスト柱梁11,12は連結
f!1li20を介して仮止めをなす。This temporary tension connects the precast columns and beams 11 and 12 f! Temporarily fasten through 1li20.
次いで目地部に目地コンクリート13を打設し、そのコ
ンクリート強度が一定以上に達するのを待って、各PC
鋼材22を本緊張し、プレキャスト梁12に必要なプレ
ストレスを付与すると同時に柱梁間を一体化させる。Next, pour joint concrete 13 into the joint, wait until the strength of the concrete reaches a certain level, and then
The steel material 22 is fully tensioned to impart necessary prestress to the precast beam 12, and at the same time, the columns and beams are integrated.
なお、上述の実施例ではプレキャスト梁側に連結筒を螺
嵌した場合を示しているか、逆にプレキャスト柱側に連
結筒を螺嵌してもよいものである。In addition, the above-mentioned embodiment shows the case where the connecting tube is screwed onto the precast beam side, or conversely, the connecting tube may be screwed onto the precast column side.
(発明の効果)
上述したように本発明のプレキャスト柱梁の連結方法で
は、柱梁間の互いに連通させようとするPC鋼材挿通孔
のいずれか一方側に連結筒を進退自在に螺嵌しておき、
プレキャスト梁の架設後に連結筒を螺進させて目地部の
PC鋼材挿通孔を構成させるようにしたことにより、手
の入らない程狭い幅の目地であっても容易に連結筒を柱
梁間に介在させることができるようになったものである
。(Effects of the Invention) As described above, in the method for connecting precast columns and beams of the present invention, a connecting tube is screwed into either side of the PC steel insertion hole where the columns and beams are to be communicated with each other so as to be able to move forward and backward. ,
After the precast beam is erected, the connecting tube is screwed forward to form the PC steel insertion hole at the joint, making it easy to insert the connecting tube between the columns and beams even in joints that are too narrow to handle. It is now possible to do so.
また本発明では、連結筒が仮止めの際のスペーサを兼用
することかできることとなり、しがも柱梁のいずれかに
螺嵌されているため、安定した強度が得られ、従来のよ
うに仮設のためのスペーサ及び転倒防止用の斜材が不要
になり、迅速かつ経済的に施工できることとなったもの
である。In addition, with the present invention, the connecting tube can also be used as a spacer for temporary fixing, and since it is screwed into either column or beam, stable strength can be obtained, and temporary fixing can be done easily. This eliminates the need for spacers and diagonal members to prevent falls, allowing for quick and economical construction.
第1図は本発明により施工された柱梁連結部の断面図、
第2図は同部分拡大断面図、第3図(イ)〜(ハ)は施
工工程の断面図、第4図は従来例の断面図である。
11・・・・・・プレキャスト柱、lla・・・・・・
ブラケット、12・・・・・・プレキャスト梁
13・・・・・・目地コンクリート、
14.15・・・・・・PCaCa通挿通孔4a、15
a・・・・・・シース、16・・・・・・端部金具、1
6a・・・・・・鋼管パイプ、16b・・・・・・ナツ
ト20・・・・・・連結筒、20a・・・・・・雄ねじ
、20b・・・・・・回転操作部、21・・・・・・パ
ツキン、22・・・・・・PCgA材、23・・・・・
・定着金具。
特許出願人 オリエンタル建設株式会社代 理
人 弁理士 1) 中 雅 雄第
図
第2図
第
3 図(イ)
第
3 !!I(ロ)
特1′
第3
図(ハ)FIG. 1 is a cross-sectional view of a column-beam connection constructed according to the present invention;
FIG. 2 is an enlarged sectional view of the same part, FIGS. 3(A) to 3(C) are sectional views of the construction process, and FIG. 4 is a sectional view of a conventional example. 11... Precast column, lla...
Bracket, 12... Precast beam 13... Joint concrete, 14.15... PCaCa through hole 4a, 15
a... Sheath, 16... End fitting, 1
6a...Steel pipe, 16b...Nut 20...Connection tube, 20a...Male thread, 20b...Rotary operation section, 21. ...Patsukin, 22...PCgA material, 23...
・Fixing metal fittings. Patent applicant Oriental Construction Co., Ltd. Agent Patent attorney 1) Masao Naka Figure 2 Figure 3 (A) Figure 3! ! I (b) Special 1' Figure 3 (c)
Claims (1)
C鋼材挿通孔を目地部用連結筒を介して連結するととも
に、該目地部用連結筒を埋め込んで前記柱及び梁間に目
地コンクリートを打設するとともに、前記柱梁のPC鋼
材挿通孔及び連結筒に連続させてPC鋼材を挿通し、該
PC鋼材を緊張させて柱梁間を一体化させるプレキャス
ト柱梁の連結方法において、前記プレキャスト柱もしく
は梁の一方のPC鋼材挿通孔の端部に円筒状をした金属
製の目地部用連結筒を該PC鋼材挿通孔の長手方向に螺
進退自在に嵌合させておき、前記プレキャスト梁をプレ
キャスト柱に対して所定の連結位置に設置後、前記目地
部用連結筒を対向するPC鋼材挿通孔側に螺進させて、
その先端をゴム等の弾性材からなるパッキンを介して該
PC鋼材挿通孔の開口端部周縁に当接させて、前記柱及
び梁のPC鋼材挿通孔を互いに連結させることを特徴と
してなるプレキャスト柱、梁の連結方法。P of precast columns and precast beams connected to each other
The C steel material insertion holes are connected via joint connection tubes, and joint concrete is cast between the columns and beams by embedding the joint connection tubes, and the PC steel insertion holes and connection tubes of the columns and beams are connected. In a method for connecting precast columns and beams, in which a precast steel material is inserted continuously into the precast column and the beam is tensioned to integrate the columns and beams, a cylindrical shape is provided at the end of the PC steel material insertion hole of one of the precast columns or beams. A metal connecting tube for the joint portion is fitted in the longitudinal direction of the PC steel material insertion hole so that it can be screwed forward and backward, and after installing the precast beam at a predetermined connection position with respect to the precast column, Screw the connecting tube toward the opposing PC steel material insertion hole,
The precast column is characterized in that its tip is brought into contact with the periphery of the opening end of the prestressed steel material insertion hole through a packing made of an elastic material such as rubber, thereby connecting the prestressed steel material penetration holes of the column and beam to each other. , how to connect beams.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15634690A JPH0781309B2 (en) | 1990-06-14 | 1990-06-14 | How to connect precast columns and beams |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15634690A JPH0781309B2 (en) | 1990-06-14 | 1990-06-14 | How to connect precast columns and beams |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0447047A true JPH0447047A (en) | 1992-02-17 |
JPH0781309B2 JPH0781309B2 (en) | 1995-08-30 |
Family
ID=15625755
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15634690A Expired - Fee Related JPH0781309B2 (en) | 1990-06-14 | 1990-06-14 | How to connect precast columns and beams |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0781309B2 (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0667619U (en) * | 1993-03-02 | 1994-09-22 | オリエンタル建設株式会社 | Bearing wall assembly structure |
JP2002004418A (en) * | 2000-06-27 | 2002-01-09 | Takenaka Komuten Co Ltd | Construction method and structure for self-base- isolation of rc type structure |
JP2012144936A (en) * | 2011-01-14 | 2012-08-02 | Mitsubishi Heavy Ind Ltd | Precast concrete member joint structure |
JP2013227742A (en) * | 2012-04-24 | 2013-11-07 | Ohbayashi Corp | Construction method for concrete structure, and concrete structure |
JP6205473B1 (en) * | 2016-11-14 | 2017-09-27 | 黒沢建設株式会社 | Column-to-beam joint and its design method |
CN109914591A (en) * | 2019-04-04 | 2019-06-21 | 安徽建筑大学 | A kind of assembly concrete frame beam column connecting node |
-
1990
- 1990-06-14 JP JP15634690A patent/JPH0781309B2/en not_active Expired - Fee Related
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0667619U (en) * | 1993-03-02 | 1994-09-22 | オリエンタル建設株式会社 | Bearing wall assembly structure |
JP2002004418A (en) * | 2000-06-27 | 2002-01-09 | Takenaka Komuten Co Ltd | Construction method and structure for self-base- isolation of rc type structure |
JP4546620B2 (en) * | 2000-06-27 | 2010-09-15 | 株式会社竹中工務店 | Self-isolated construction method and self-isolated structure of RC structure |
JP2012144936A (en) * | 2011-01-14 | 2012-08-02 | Mitsubishi Heavy Ind Ltd | Precast concrete member joint structure |
JP2013227742A (en) * | 2012-04-24 | 2013-11-07 | Ohbayashi Corp | Construction method for concrete structure, and concrete structure |
JP6205473B1 (en) * | 2016-11-14 | 2017-09-27 | 黒沢建設株式会社 | Column-to-beam joint and its design method |
JP2018080469A (en) * | 2016-11-14 | 2018-05-24 | 黒沢建設株式会社 | Junction of column and beam and its design method |
CN109914591A (en) * | 2019-04-04 | 2019-06-21 | 安徽建筑大学 | A kind of assembly concrete frame beam column connecting node |
Also Published As
Publication number | Publication date |
---|---|
JPH0781309B2 (en) | 1995-08-30 |
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