JPS61261543A - Construction of steel pipe pillar and beam/slab in inverse impact construction method - Google Patents
Construction of steel pipe pillar and beam/slab in inverse impact construction methodInfo
- Publication number
- JPS61261543A JPS61261543A JP60103261A JP10326185A JPS61261543A JP S61261543 A JPS61261543 A JP S61261543A JP 60103261 A JP60103261 A JP 60103261A JP 10326185 A JP10326185 A JP 10326185A JP S61261543 A JPS61261543 A JP S61261543A
- Authority
- JP
- Japan
- Prior art keywords
- slab
- steel pipe
- column
- construction
- reinforcement
- 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.)
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- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
「産業上の利用分野」
この発明は逆打ち工法に於ける鋼管使用柱と梁・スラブ
接合部の構築方法に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a method of constructing a joint between a column and a beam/slab using steel pipes in the reverse casting method.
「従来の技術」 ゛
柱〜梁（スラブ）架橋を構築する場合、架構の成立のた
めには、柱−梁（スラブ）接合部は。``Prior Art'' When constructing a column-beam (slab) bridge, the column-beam (slab) joints must be established in order to establish the structure.
ｉ）スラブ部に作用する荷重を柱へ伝達できること。i) The load acting on the slab section can be transmitted to the columns.
ｉｉ ）梁（スラブ）端部の鉄筋の配置方法は、負担す
べき鉄筋応力が発現できるものであること。ii) The method of arranging the reinforcing bars at the end of the beam (slab) must be such that the stress to be borne by the reinforcing bars can be expressed.
の要件を充たさねばならない。must meet the requirements.
ここで、現場打ち工法に於けるが如く、スラブ並びに梁
配筋を柱断面内に持ち込むことの出来ない逆打ち工法に
於いて、柱を建込後に内部にコンクリートを打設充虜す
るとした断面の外側に鋼管を用いた鋼管柱とする場合、
ｉ）、ｉｉ）を充たすためには、接合域において。Here, in the reverse pouring method, where the slab and beam reinforcement cannot be brought into the cross section of the column, as in the cast-in-place method, the cross-section is assumed to be filled with concrete after the column is erected. When using a steel pipe column with steel pipes on the outside,
In order to satisfy i) and ii), in the junction area.
（ａ） 鋼管柱の表面を応力伝達上有利になるような
仕様とする。(a) The surface of the steel pipe column is designed to be advantageous for stress transmission.
−） 応力伝達を専らの目的とした鉄筋を付加する。-) Add reinforcing bars for the exclusive purpose of stress transmission.
（Ｃ） （ａ）、 （ｂ）の双方を併用する。(C) Both (a) and (b) are used together.
等の方策が必要となる。Such measures are necessary.
すなわち、具体的には第３図ａに示す如く、鋼管柱１と
フラットスラブ２とにより架橋を構成する場合にあって
は、０図に示すように、一般に鋼管柱１とフラットスラ
ブ２との接合部内の鋼管表面３にせん断伝達を可能とさ
せるシャーキ−を設けたり、粗面状表面としたり、鉄筋
付加を行なったりしている。Specifically, as shown in Figure 3a, when a bridge is constructed by steel pipe columns 1 and flat slabs 2, generally the steel pipe columns 1 and flat slabs 2 are connected as shown in Figure 0. The steel pipe surface 3 in the joint is provided with a shear key to enable shear transmission, has a rough surface, or has reinforcing bars added to it.
図中４は支板、５はキャピタル、６は鋼管柱１を迂回し
て配筋のスラブ筋（梁筋）、７は支持杭。In the figure, 4 is a support plate, 5 is a capital, 6 is a slab reinforcement (beam reinforcement) that bypasses the steel pipe column 1, and 7 is a support pile.
８．９は鋼管柱１内に組付けられるところの柱軸筋、柱
フープ筋を夫々示す。8.9 shows the column shaft reinforcement and column hoop reinforcement, respectively, which are assembled into the steel pipe column 1.
尚、上述の「鉄筋かご付鋼管」を架構の施工される所定
の位置に建込み後、鋼管内に生コンクリートの通る打設
用管を挿入して鋼管内へのコンクリート打設が行なわれ
るものである。In addition, after the above-mentioned "steel pipe with reinforcing cage" is erected at the predetermined location where the frame will be constructed, concrete is poured into the steel pipe by inserting a pouring pipe through which ready-mixed concrete passes. It is.
「発明が解決しようとする問題点」
しかるに、叙上構成にあっては、せん断伝達のための加
工とこれに可能な限り伝達をさせようとするスラブ筋（
梁筋）についての配筋施工上の難点とからコスト高を招
くという問題があると共に構造上、柱１外周のコンクリ
ートのひび割れ発生に伴ってせん断力伝達効果が大きく
減少するという問題がある。``Problems to be solved by the invention'' However, in the above structure, processing for shear transmission and slab reinforcement (
There is a problem in that the cost increases due to difficulties in reinforcing (beam reinforcement), and there is also a structural problem in that the shear force transmission effect is greatly reduced due to the occurrence of cracks in the concrete around the outer periphery of the column 1.
「問題点を解決するための手段」、「作用」所定位置へ
の建込み後に内部コンクリート打設がなされる鉄筋かご
付鋼管の梁・スラブ接合部の径を予じめ鉛直力負担補強
手段を介して細径に構成し、当該細径周縁柱断面内に貫
通させて梁・スラブ筋を配筋させるとして、梁・スラブ
配筋の柱断面内への持込みにより、せん断伝達のための
特別な材加工を不要として容易にせん断伝達を実現し、
しかも、コンクリートひび割れに影響されないとした点
にある。``Means for solving the problem'', ``Operation'' The diameter of the beam-slab joint of the steel pipe with reinforcing cages, which will be internally concreted after the construction is in place, is determined in advance by means of reinforcing the vertical force. By introducing beam/slab reinforcement into the column cross-section, a special structure for shear transmission is created. Easily achieves shear transmission without the need for material processing,
Moreover, it is not affected by concrete cracks.
「実施例」 以下、これを図に基づいて詳細に説明する。"Example" This will be explained in detail below based on the drawings.
第１図ａ −ｅは本発明施工の一例を示し、Ｃ図は本発
明の鉄筋かご付鋼管の梁・スラブ接合部分の縦断図、ａ
図はＣ図中ａ−ａ線矢視平断図、ｂ図はＣ図中ｂ−ｂ線
矢視平断図、 ｄ、 ｅ図は鉄筋かご付鋼管と梁・
スラブ配筋との取合いを示すｅ図中ｄ−ｄ矢視上面図、
縦断図、第２図ａ、ｂは他の実施例を示す鉄筋かご付鋼
管と梁・スラブ配筋との取合いを示すｂ図中ａ−ａ矢視
平断図、縦断図である。Figures 1a-e show an example of construction according to the present invention, and Figure C is a longitudinal cross-sectional view of the beam-slab joint of the steel pipe with reinforcing bar cage according to the present invention.
The figure is a cross-sectional view taken along the line a-a in figure C, the figure b is a cross-sectional view taken along the line b-b in figure C, and figures d and e are steel pipes with reinforcing bar cages and beams.
A top view taken along arrows d-d in figure e showing the connection with slab reinforcement,
A vertical sectional view and FIGS. 2A and 2B are a plan view and a longitudinal sectional view taken along the line a-a in FIG.
第１図に於いて２図中１０は本発明の所定位置への建込
み後に内部コンクリート打設がなされる鉄筋かご付鋼管
で、その梁・スラブ接合部は管壁をへこませて細径部１
０ａに構成している。In Fig. 1, numeral 10 in Fig. 2 is a steel pipe with a reinforcing cage for which internal concrete is poured after the construction of the present invention at a predetermined location, and the beam/slab joint is made to have a small diameter by recessing the pipe wall. Part 1
It is configured to 0a.
当該細径部１０ａは鋼管の鉛直力負担能力は無く。The narrow diameter portion 10a does not have the ability to bear the vertical force of the steel pipe.
柱軸筋８に取り付けられ、大径部に対しては単に接して
いるもので、その外径、肉厚寸法の大きさは必要に応じ
自由に設定できる。It is attached to the columnar reinforcement 8 and is simply in contact with the large diameter portion, and its outer diameter and wall thickness can be freely set as necessary.
鉛直力負担は適数配置の上、工大径部連絡杆１１゜・・
・・・・がなしている。The vertical force is borne by an appropriate number of connecting rods at the engineering diameter section of 11°...
... is being done.
図中１２は打設コンクリートを示す。12 in the figure indicates poured concrete.
かかる鋼管１０を柱として梁・スラブ筋１３を配筋する
と、ｄ、ｅ図に示す如く柱断面細径部１０ａ内に貫通、
つまり持ち込みさせることが可能であり。When the steel pipe 10 is used as a column and the beam/slab reinforcement 13 is arranged, it penetrates into the narrow diameter section 10a of the column cross section as shown in figures d and e.
In other words, it is possible to bring it in.
この取合い状態にて梁・スラブ部コンクリート１６が打
設されて架構が完成する。In this connected state, concrete 16 for the beam/slab portion is poured to complete the frame.
しかして、現場施工での柱、梁・スラブ取合いの場合と
せん断伝達上大差ないものとなり得る。Therefore, in terms of shear transmission, it may not be much different from the case where columns, beams, and slabs are connected during on-site construction.
第２図に示す例での鉄筋かご付鋼管１４は、その細径部
１４ａに鉛直力負担能力を課したもので、大径部との接
合をフランジ接合１５とすると共に当該フランジ部に鋼
管の補強、補則の機能を果たすリプ１７を設けてなる。The steel pipe 14 with a reinforcing bar cage in the example shown in FIG. 2 has a vertical force bearing capacity imposed on its small diameter part 14a, and the joint with the large diameter part is a flange joint 15, and the steel pipe is attached to the flange part. A lip 17 is provided which serves as a reinforcement and supplementary rule.
この場合の梁・スラブ配筋１３も第１図ｄ、ｅと同様に
柱断面内への持ち込みとなる。In this case, the beam/slab reinforcement 13 is also brought into the column cross section as in Figures 1d and 1e.
第１図、第２図例での補強手段である連絡杆１１゜リブ
１７はいずれも梁・スラブ部の後打ちコンクリート１６
打設後には、接合部での応力伝達にも寄与するものであ
る。The connecting rod 11° rib 17, which is the reinforcing means in the examples in Figures 1 and 2, is a post-cast concrete 16 in the beam/slab section.
After pouring, it also contributes to stress transmission at the joint.
以上の如く９本発明によるならば、先打ちコンクリート
の柱断面は、−股部のものより小さくなっているため、
所定量の梁・スラブ筋が本来の柱断面内を全く障害とな
るものなしに貫通配筋できる。As described above, according to the present invention, the cross section of the pre-cast concrete column is smaller than that of the crotch, so
A predetermined amount of beam/slab reinforcement can be placed through the original column cross section without any obstacles.
「発明の効果」
上述発明による諸効果を列記するならば、下記の如くで
ある。"Effects of the Invention" The effects of the above invention are listed below.
ｉ）スラブ部分に作用する鉛直力は下階の柱へ円滑に伝
達される。i) Vertical forces acting on the slab section are smoothly transmitted to the columns on the lower floor.
ｉｉ ）所定量の梁・スラブ筋が柱・スラブ接合部内を
貫通配筋されるため、接合部近傍に生じる応力を鉄筋に
負担させる上に何らの障害も生じない。ii) Since a predetermined amount of beam/slab reinforcement is placed through the column/slab joint, the stress generated in the vicinity of the joint can be borne by the reinforcing bars without causing any trouble.
ｉｉｉ ）従って２従来の如く特殊仕様の鋼管柱あるい
は特別の配筋をしなくても、接合部での応力伝達ができ
、架橋が力学上明確なものになると共に、施工の合理化
とコスト低減が可能となる。iii) Therefore, stress can be transmitted at the joints without the need for special steel pipe columns or special reinforcement as in the past, making the bridge mechanically clear, and streamlining construction and reducing costs. It becomes possible.
第１図ａ −ｅは本発明施工の一例を示し、０図は本発
明の鉄筋かご付鋼管の梁・スラブ接合部分の縦断図、ａ
図はＣ図中ａ−ａ線矢視平断図、ｂ図はＣ図中ｂ−ｂ線
矢視平断図、ｄ、ａ図は鉄筋かご付鋼管と梁・スラブ配
筋との取合いを示すｅ図中ｄ−ｄ矢視上面図、縦断図、
第２図ａ、ｂは他の実施例を示す鉄筋かご付鋼管と梁・
スラブ配筋との取合いを示すｂ図中ａ−ａ矢視平断図、
縦断図、第３図ａ、ｂ、ｃは逆打ち工法による架構態様
の説明図、鋼管柱平衡図、柱と梁・スラブ接合部の従来
のせん断力伝達方法の説明図である。
１・・・鋼管柱、２・・・フラットスラブ、３・・・鋼
管表面、４・・・支板、５・・・キャピタル、６・・・
スラブ筋（梁筋）、７・・・支持杭、８・・・柱軸筋、
９・・・柱フープ筋、１０・・・鉄筋かご付鋼管、１０
ａ・・・細径部、１１・・・連絡杆、１２・・・打設コ
ンクリート、１３・・・梁・スラブ筋、１４・・・鉄筋
かご付鋼管、１４ａ・・・細径部、１５・・・フランジ
接合、１６・・・梁・スラブ部コンクリート、１７・・
・リブ。
爛１
ａ、 ｂ、ズ色う勿
ｄ。Figures 1a-e show an example of construction according to the present invention, and Figure 0 is a longitudinal cross-sectional view of the beam-slab joint of the steel pipe with reinforcing bar cage according to the present invention.
The figure is a cross-sectional view taken along the line a-a in figure C, the figure b is a cross-sectional view taken along the line b-b in figure C, and figures d and a show the connection between the steel pipe with reinforcing bar cage and the beam/slab reinforcement arrangement. d-d arrow top view and longitudinal sectional view in figure e shown,
Figures 2a and b show another example of a steel pipe with a reinforcing cage and a beam.
A cross-sectional view taken along arrow a-a in figure b showing the connection with slab reinforcement,
The longitudinal sectional views and FIGS. 3A, 3B, and 3C are explanatory diagrams of the frame structure using the reverse casting method, a steel pipe column equilibrium diagram, and an explanatory diagram of the conventional shear force transmission method between the column and beam/slab joints. 1... Steel pipe column, 2... Flat slab, 3... Steel pipe surface, 4... Support plate, 5... Capital, 6...
Slab reinforcement (beam reinforcement), 7... Support pile, 8... Column axis reinforcement,
9... Column hoop reinforcement, 10... Steel pipe with reinforcing bar cage, 10
a...Small diameter part, 11...Connecting rod, 12...Poured concrete, 13...Beam/slab reinforcement, 14...Steel pipe with reinforcing bar cage, 14a...Small diameter part, 15 ...Flange connection, 16...Beam/slab section concrete, 17...
·rib. Ran1 a, b, ziro unaudado.
Claims (1)
る鉄筋かご付鋼管の梁・スラブ接合部の径を予じめ鉛直
力負担補強手段を介して細径に構成し、当該細径周縁柱
断面内に貫通させて梁・スラブ筋を配筋させるとしてな
ることを特徴とする逆打ち工法に於ける鋼管使用柱と梁
・スラブ接合部の構築方法。The diameter of the beam-slab joint of the steel pipe with reinforcing cage, on which internal concrete is poured after construction at a predetermined location, is made small in advance through a vertical force bearing reinforcing means, and the cross section of the small-diameter peripheral column is A method for constructing a joint between a column and a beam/slab using steel pipes in the reverse construction method, which is characterized by placing beam/slab reinforcement by penetrating the interior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60103261A JPH0633626B2 (en) | 1985-05-15 | 1985-05-15 | Construction method of columns and beams using steel pipes and slag joints in the reverse construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60103261A JPH0633626B2 (en) | 1985-05-15 | 1985-05-15 | Construction method of columns and beams using steel pipes and slag joints in the reverse construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61261543A true JPS61261543A (en) | 1986-11-19 |
| JPH0633626B2 JPH0633626B2 (en) | 1994-05-02 |
Family
ID=14349494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60103261A Expired - Lifetime JPH0633626B2 (en) | 1985-05-15 | 1985-05-15 | Construction method of columns and beams using steel pipes and slag joints in the reverse construction method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0633626B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE34525E (en) * | 1987-06-24 | 1994-02-01 | Lazzaroni; John J. | Motorcycle helmet microphone mount and plug mount |
| JP2002070165A (en) * | 2000-09-05 | 2002-03-08 | Penta Ocean Constr Co Ltd | Connecting structure for steel pipe column and flat slab and its connecting method |
| JP2003090081A (en) * | 2001-09-17 | 2003-03-28 | Ohbayashi Corp | Method for driving metallic plate for concrete member, and concrete member with metallic plate driven thereto |
-
1985
- 1985-05-15 JP JP60103261A patent/JPH0633626B2/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE34525E (en) * | 1987-06-24 | 1994-02-01 | Lazzaroni; John J. | Motorcycle helmet microphone mount and plug mount |
| JP2002070165A (en) * | 2000-09-05 | 2002-03-08 | Penta Ocean Constr Co Ltd | Connecting structure for steel pipe column and flat slab and its connecting method |
| JP2003090081A (en) * | 2001-09-17 | 2003-03-28 | Ohbayashi Corp | Method for driving metallic plate for concrete member, and concrete member with metallic plate driven thereto |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0633626B2 (en) | 1994-05-02 |
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