JPH1068225A - Concrete pressurizing jig and method of blocking concrete pressurizing opening part - Google Patents
Concrete pressurizing jig and method of blocking concrete pressurizing opening partInfo
- Publication number
- JPH1068225A JPH1068225A JP8244164A JP24416496A JPH1068225A JP H1068225 A JPH1068225 A JP H1068225A JP 8244164 A JP8244164 A JP 8244164A JP 24416496 A JP24416496 A JP 24416496A JP H1068225 A JPH1068225 A JP H1068225A
- Authority
- JP
- Japan
- Prior art keywords
- press
- fitting
- opening
- concrete
- closing
- 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.)
- Pending
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/04—Devices for both conveying and distributing
- E04G21/0418—Devices for both conveying and distributing with distribution hose
- E04G21/0472—Details of connection of the hose to the formwork, e.g. inlets
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、コンクリ−ト圧入
用治具及びコンクリ−ト圧入用開口部の閉塞方法に関す
るものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a concrete press-fitting jig and a method for closing a concrete press-fitting opening.
【０００２】[0002]
【発明が解決しようとする課題】近年、超高層建築にお
いて、コンクリ−ト充填鋼管構造の採用が盛んに行われ
ている。これは、中空の鋼管内にコンクリ−トを圧入し
て柱を構築するものであり、コンクリ−トの圧入は、鋼
管柱の下端部に開設した開口部に取り付けた圧入治具を
介して行われる。In recent years, concrete-filled steel pipe structures have been actively used in high-rise buildings. In this method, a concrete is press-fitted into a hollow steel pipe to form a column, and the concrete is press-fitted through a press-fitting jig attached to an opening formed at a lower end of the steel pipe column. Will be
【０００３】この圧入治具にはシャッタ−が設けられて
おり、圧入路の開閉はこのシャッタ−によって行われ
る。しかし、鋼管柱の下端部にかかるコンクリ−トの重
力による圧力は非常に高く、このシャッタ−の開閉作業
に大きな力を要し困難であった。The press-fitting jig is provided with a shutter, and the press-fitting passage is opened and closed by the shutter. However, the pressure due to the gravity of the concrete applied to the lower end of the steel pipe column is very high, and a large force is required for opening and closing the shutter, making it difficult.
【０００４】また、コンクリ−トの圧入後は、圧入治具
を撤去して、鋼管柱に開設した開口部を閉塞する必要が
あるが、上記のような大きな圧力に対抗できるように、
確実に開口部を閉塞する技術が希求されている。Further, after the concrete is press-fitted, it is necessary to remove the press-fitting jig and close the opening formed in the steel pipe column.
There is a need for a technique for reliably closing an opening.
【０００５】[0005]
【発明の目的】本発明は、上記のような問題点を解決す
るためになされたもので、コンクリ−トの圧入治具のシ
ャッタ−の開閉作業を容易に行うことができ、しかもコ
ンクリ−トの圧入後には、確実に圧入対象物に開設した
開口部の閉塞を行うことができる、コンクリ−ト圧入用
治具及びコンクリ−ト圧入用開口部の閉塞方法を提供す
ることを目的とする。SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and can easily open and close the shutter of a concrete press-fitting jig. It is an object of the present invention to provide a concrete press-fitting jig and a method for closing a concrete press-fitting opening which can surely close the opening formed in the object to be pressed after the press-fitting.
【０００６】[0006]
【課題を解決するための手段】上記課題を解決するため
の手段として、本発明は、コンクリ−トの圧入対象物に
開設した開口部に取り付け、コンクリ−トポンプ側の圧
送ホ−スを連結するための連結管と、この連結管路の開
閉を行うシャッタ−とを有する治具において、前記シャ
ッタ−は、前記連結管路を横断する方向にスライド自在
に配した板体に、連結管路を閉塞する遮断面と、連結管
路を開放する連通口とを隣接して設けて構成し、前記連
通口の少なくとも前記遮断面側の内周面をテ−パ−状に
形成したことを特徴とする、コンクリ−ト圧入用治具を
提供する。As a means for solving the above-mentioned problems, the present invention attaches a concrete pump to an opening formed in an object to be press-fitted and connects a pressure-feeding hose on a concrete pump side. And a shutter for opening and closing the connection conduit, the shutter is provided on a plate slidably arranged in a direction transverse to the connection conduit, and the connection conduit is connected to a plate body slidably in a direction crossing the connection conduit. A blocking surface to be closed and a communication port for opening a connecting pipe are provided adjacent to each other, and at least an inner peripheral surface of the communication port on the blocking surface side is formed in a tapered shape. To provide a concrete press-fitting jig.
【０００７】また、コンクリ−トの圧入対象物に開設し
た圧入用開口部の閉塞方法において、前記圧入用開口部
の上部内周面を、圧入対象物外面から内面に向けて下方
に傾斜するテ−パ−状に形成すると共に、圧入用開口部
を閉塞する閉塞板の下部外周面を、圧入対象物外面から
内面に向けて下方に傾斜するテ−パ−状に形成し、前記
圧入用開口部内に前記閉塞板を嵌め込み、圧入用開口部
内周面と閉塞板外周面との間隙に溶融金属や接合材を充
填して圧入用開口部の閉塞を行うことを特徴とした、コ
ンクリ−トの圧入用開口部の閉塞方法を提供する。In the method for closing a press-fitting opening formed in a concrete press-fitting object, the upper inner peripheral surface of the press-fitting opening is inclined downward from the outer surface of the press-fitting object toward the inner surface. Forming a taper shape in which a lower outer peripheral surface of a closing plate for closing the press-fitting opening portion is formed to be inclined downward from an outer surface to an inner surface of the press-fitting object; Wherein the press-fitting opening is closed by filling the gap between the inner peripheral surface of the press-fitting opening and the outer peripheral surface of the closing plate with a molten metal or a bonding material. A method for closing a press-fitting opening is provided.
【０００８】[0008]
【発明の実施の形態】以下、図面を参照しながら、本発
明の一実施の形態について説明する。 ＜イ＞コンクリ−ト圧入用治具の構造 コンクリ−トの圧入用治具は下記の部材より構成され
る。 （１）ネジ棒鋼 図１、２に示すように、鋼管柱１等のコンクリ−トの圧
入対象物に開設した圧入用開口部２の周辺部に、ネジ棒
鋼３を所要数突設する。このネジ棒鋼３は、図５に示す
ように、鋼管柱１内において当て板３１が接合されてい
る。当て板３１の一部は、圧入用開口部２から突出して
おり、これを当接面３２とする。Embodiments of the present invention will be described below with reference to the drawings. <A> Structure of concrete press-fitting jig The concrete press-fitting jig is composed of the following members. (1) Threaded steel bar As shown in FIGS. 1 and 2, a required number of threaded steel bars 3 are protruded around a press-fitting opening 2 formed in a concrete press-fitting object such as a steel pipe column 1 or the like. As shown in FIG. 5, the threaded steel bar 3 is joined to the backing plate 31 in the steel pipe column 1. A part of the backing plate 31 protrudes from the press-fitting opening 2 and is used as a contact surface 32.
【０００９】（２）挿入管 挿入管４は、図２に示すように、一端の開口部を上向き
にして水平に形成し、他端の開口部の周縁部に取付フラ
ンジ４１を形成する。この取付フランジ４１には取付穴
４２を所要数開設し、これをネジ棒鋼３に嵌装して、挿
入管４を鋼管柱１内にセットする。(2) Insertion tube As shown in FIG. 2, the insertion tube 4 is formed horizontally with the opening at one end facing upward, and a mounting flange 41 is formed at the periphery of the opening at the other end. A required number of mounting holes 42 are formed in the mounting flange 41, these are fitted to the threaded steel bar 3, and the insertion pipe 4 is set in the steel pipe column 1.
【００１０】（３）連結管 連結管５は、図１、２に示すように、一端の開口部にコ
ンクリ−トＣの圧送ホ−スＨの連結部を形成し、他端の
開口部の周縁部には取付フランジ５１を形成する。この
取付フランジ５１の連結管５の反対側面の両側縁部に
は、帯板状のスペ−サ５２を張り付け、このスペ−サ５
２と取付フランジ５１を貫通させて取付穴５３を開設す
る。(3) Connecting Pipe As shown in FIGS. 1 and 2, the connecting pipe 5 has a connecting part for the pressure feeding hose H of the concrete C at one opening and a connecting part for the opening at the other end. A mounting flange 51 is formed on the periphery. Band-shaped spacers 52 are attached to both side edges of the mounting flange 51 on the opposite side of the connecting pipe 5.
2 and the mounting flange 51 are penetrated to form a mounting hole 53.
【００１１】連結管５の取り付けは、後述のシャッタ−
６を挿入管４の取付フランジ４１との間に挟んだ状態
で、取付穴５３をネジ棒鋼３に嵌装して、ナット７で締
結して取り付ける。The connection pipe 5 is attached by a shutter (described later).
The mounting hole 53 is fitted to the threaded steel bar 3 with the nut 6 sandwiched between the mounting flange 41 of the insertion tube 4 and fastened with the nut 7.
【００１２】（４）シャッタ− シャッタ−６は、図２〜４に示すように、縦長の板体の
上下両端部を直角に曲げて係止部６１を形成し、板体の
上半部に連結管５を閉塞するための遮断面６２を形成
し、その下部に、連結管５を開放するための連通口６３
を開設したものである。(4) Shutter As shown in FIGS. 2 to 4, the upper and lower ends of a vertically long plate are bent at right angles to form a locking portion 61, and the shutter 6 is provided on the upper half of the plate. A blocking surface 62 for closing the connecting pipe 5 is formed, and a communication port 63 for opening the connecting pipe 5 is formed below the blocking surface 62.
Was established.
【００１３】そして、この連通口６３の内周面には、少
なくとも遮断面６２側の上半部に、テ−パ−部６４を形
成して、先端を鋭利な形状にする。なお、テ−パ−部は
連通口６３のその他の位置に設けてもよいし、全周に設
けてもよい。また、テ−パ−の傾斜方向は図４に示す方
向と反対であってもよい。A taper portion 64 is formed on the inner peripheral surface of the communication port 63 at least in the upper half portion on the blocking surface 62 side, so that the tip is sharpened. The taper portion may be provided at another position of the communication port 63 or may be provided on the entire circumference. The taper may be inclined in the opposite direction to that shown in FIG.
【００１４】シャッタ−６は、係止部６１を連結管５側
に向けて、かつ連結管５のスペ−サ５２間に位置させた
状態で、挿入管４の取付フランジ４１と連結管５の取付
フランジ５１間に挟んでセットする。これによって、連
結管５の管路を上下に横断する方向にスライド自在に配
置され、シャッタ−６を下ろした状態では連結管４が遮
断面６２により閉塞され、シャッタ−６を上げた状態で
は連結管４の管路と連通口６３が合致して連結管４が開
放される。The shutter 6 is provided with the locking flange 61 of the insertion tube 4 and the connecting tube 5 with the locking portion 61 facing the connecting tube 5 and positioned between the spacers 52 of the connecting tube 5. It is set between the mounting flanges 51. Thereby, the connecting pipe 4 is slidably disposed in a direction crossing the pipe line of the connecting pipe 5 up and down. When the shutter 6 is lowered, the connecting pipe 4 is closed by the blocking surface 62, and when the shutter 6 is raised, the connecting pipe 4 is connected. The connecting pipe 4 is opened when the pipe 63 and the communication port 63 match.
【００１５】＜ロ＞コンクリ−トの圧入用開口部の閉塞
方法 上述のように鋼管柱１に開設した圧入用開口部２に圧入
治具を取り付けてコンクリ−トを圧入した後、この圧入
治具を撤去し、圧入用開口部２内のコンクリ−トを取り
除き、圧入用開口部２を閉塞する。この際に図５に示す
ように、圧入用開口部２の上部内周面に、鋼管柱１の外
面から内面に向けて下方に傾斜するテ−パ−部２１を形
成する。圧入用開口部２の下部内周面２２は水平面状に
形成する。<B> Method of closing concrete press-fitting opening As described above, a press-fitting jig is attached to press-fitting opening 2 formed in steel pipe column 1 to press-fit concrete, and then press-fitting is performed. The tool is removed, the concrete in the press-fitting opening 2 is removed, and the press-fitting opening 2 is closed. At this time, as shown in FIG. 5, a taper portion 21 which is inclined downward from the outer surface to the inner surface of the steel pipe column 1 is formed in the upper inner peripheral surface of the press-fitting opening 2. The lower inner peripheral surface 22 of the press-fitting opening 2 is formed in a horizontal plane.
【００１６】閉塞板８は、圧入用開口部２よりもやや小
さい外形の相似形の板体であり、その上部外周面８１は
水平面状に形成し、下部外周面には鋼管柱１の外面から
内面に向けて下方に傾斜するテ−パ−部８２を形成す
る。The closing plate 8 is a similar plate having an outer shape slightly smaller than that of the press-fitting opening 2. The upper outer peripheral surface 81 is formed in a horizontal plane, and the lower outer peripheral surface is formed from the outer surface of the steel pipe column 1. A taper portion 82 inclined downward toward the inner surface is formed.
【００１７】圧入用開口部２を閉塞する場合は、閉塞板
８を当て板３１の当接面３２に当接するまで圧入用開口
部２内に嵌め込む。これによって、テ−パ−部２１と水
平面状の上部外周面８１間に、またテ−パ−部８２と水
平面状の下部内周面２２間に、上向きに開放された間隙
部が形成される。When the press-fitting opening 2 is closed, the closing plate 8 is fitted into the press-fitting opening 2 until it comes into contact with the contact surface 32 of the backing plate 31. As a result, upwardly open gaps are formed between the taper portion 21 and the upper outer peripheral surface 81 in a horizontal plane, and between the taper portion 82 and the lower inner peripheral surface 22 in a horizontal plane. .
【００１８】そして、これらの間隙部内に、溶接作業に
よって溶融金属９を充填したり、接合材を充填する。こ
れによって、圧入用開口部２に閉塞板８を強固に接合
し、圧入用開口部２を確実に閉塞することができる。These gaps are filled with a molten metal 9 or a joining material by a welding operation. Thereby, the closing plate 8 can be firmly joined to the press-fitting opening 2 and the press-fitting opening 2 can be reliably closed.
【００１９】[0019]
【その他の実施の形態】図６に示すように、圧入用開口
部２の下部内周面に、閉塞板８のテ−パ−部８２よりも
傾斜の緩いテ−パ−部２３を形成し、また閉塞板８の上
部外周面に、圧入用開口部２のテ−パ−部２１よりも傾
斜の緩いテ−パ−部８３を形成することも考えられる。[Other Embodiments] As shown in FIG. 6, a taper portion 23 having a gentler inclination than the taper portion 82 of the closing plate 8 is formed on the lower inner peripheral surface of the press-fitting opening 2. It is also conceivable to form a taper portion 83 having a gentler inclination than the taper portion 21 of the press-fitting opening 2 on the upper outer peripheral surface of the closing plate 8.
【００２０】[0020]
【発明の効果】本発明は以上説明したようになるため、
次のような効果を得ることができる。 ＜イ＞シャッタ−の連通口の内周面をテ−パ−状にし
て、先端を鋭利に形成したため、大きい圧力のかかった
コンクリ−ト内にも容易に侵入することができ、シャッ
タ−の開閉作業をスム−ズに行える。Since the present invention has been described above,
The following effects can be obtained. <A> Since the inner peripheral surface of the communication port of the shutter is tapered and the tip is formed sharp, it can easily penetrate into a concrete under a large pressure. Opening and closing operations can be performed smoothly.
【００２１】＜ロ＞圧入対象物に開設したコンクリ−ト
の圧入用開口部に閉塞板を嵌め込んだ状態で、それらの
上部及び下部に発生する間隙部を上方に向かって開口す
るよう構成した。そのため、溶接等の接合作業をすべて
下向きに行え、溶融金属や接合材の充填を確実かつ容易
に行える。従って、圧入対象物に開設した開口部の閉塞
を確実に行うことができる。<B> With the obstruction plates fitted in the press-fitting openings of the concrete opened in the press-fitting object, the gaps formed at the upper and lower portions thereof are opened upward. . Therefore, all joining operations such as welding can be performed downward, and the filling of the molten metal and the joining material can be performed reliably and easily. Therefore, it is possible to reliably close the opening formed in the object to be pressed.
【図１】 本発明のコンクリ−トの圧入治具の説明図FIG. 1 is an explanatory view of a concrete press-fitting jig according to the present invention.
【図２】 圧入治具の分解説明図FIG. 2 is an exploded view of the press-fitting jig.
【図３】 圧入治具のシャッタ−の説明図FIG. 3 is an explanatory view of a shutter of the press-fitting jig.
【図４】 圧入治具のシャッタ−の説明図FIG. 4 is an explanatory view of a shutter of the press-fitting jig.
【図５】 圧入用開口部の閉塞方法の説明図FIG. 5 is an explanatory view of a method of closing a press-fitting opening.
【図６】 その他の実施の形態の説明図FIG. 6 is an explanatory diagram of another embodiment.
Claims (2)
口部に取り付け、コンクリ−トポンプ側の圧送ホ−スを
連結するための連結管と、この連結管路の開閉を行うシ
ャッタ−とを有する治具において、 前記シャッタ−は、前記連結管路を横断する方向にスラ
イド自在に配した板体に、連結管路を閉塞する遮断面
と、連結管路を開放する連通口とを隣接して設けて構成
し、 前記連通口の少なくとも前記遮断面側の内周面をテ−パ
−状に形成したことを特徴とする、 コンクリ−ト圧入用治具。1. A connecting pipe attached to an opening formed in an object to be press-fitted in a concrete for connecting a pressure-feeding hose on a side of a concrete pump, and a shutter for opening and closing the connecting pipe. In the jig having the shutter, the shutter is provided with a plate body slidably arranged in a direction traversing the connection pipeline, a blocking surface for closing the connection pipeline, and a communication port for opening the connection pipeline adjacent to the plate. A concrete press-fitting jig, wherein at least the inner peripheral surface of the communication port on the side of the blocking surface is formed in a tapered shape.
入用開口部の閉塞方法において、 前記圧入用開口部の上部内周面を、圧入対象物外面から
内面に向けて下方に傾斜するテ−パ−状に形成すると共
に、 圧入用開口部を閉塞する閉塞板の下部外周面を、圧入対
象物外面から内面に向けて下方に傾斜するテ−パ−状に
形成し、 前記圧入用開口部内に前記閉塞板を嵌め込み、圧入用開
口部内周面と閉塞板外周面との間隙に溶融金属や接合材
を充填して圧入用開口部の閉塞を行うことを特徴とし
た、 コンクリ−トの圧入用開口部の閉塞方法。2. A method of closing a press-fitting opening formed in a concrete press-fitting object, wherein the upper inner peripheral surface of the press-fitting opening is inclined downward from the outer surface of the press-fitting object toward the inner surface. Forming a taper shape in which the lower outer peripheral surface of the closing plate for closing the press-fitting opening is inclined downward from the outer surface of the press-fitting object toward the inner surface; Wherein the closing plate is fitted into the portion, and the gap between the inner peripheral surface of the press-fitting opening and the outer peripheral surface of the closing plate is filled with a molten metal or a bonding material to close the press-fitting opening. How to close the press-fit opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8244164A JPH1068225A (en) | 1996-08-27 | 1996-08-27 | Concrete pressurizing jig and method of blocking concrete pressurizing opening part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8244164A JPH1068225A (en) | 1996-08-27 | 1996-08-27 | Concrete pressurizing jig and method of blocking concrete pressurizing opening part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH1068225A true JPH1068225A (en) | 1998-03-10 |
Family
ID=17114729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8244164A Pending JPH1068225A (en) | 1996-08-27 | 1996-08-27 | Concrete pressurizing jig and method of blocking concrete pressurizing opening part |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH1068225A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101533110B1 (en) * | 2013-03-11 | 2015-07-02 | 주식회사 포스코건설 | Device for connecting concrete injection pipe and method for constructing concrete filled steel tube with the device |
| WO2016206823A1 (en) * | 2015-06-22 | 2016-12-29 | Kern Tunneltechnik Sa | Blocking assembly and formwork element having such a blocking assembly |
| CN115781905A (en) * | 2022-12-12 | 2023-03-14 | 宁波永大建设集团有限公司 | Different strength concrete placement isolating device of beam column node |
-
1996
- 1996-08-27 JP JP8244164A patent/JPH1068225A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101533110B1 (en) * | 2013-03-11 | 2015-07-02 | 주식회사 포스코건설 | Device for connecting concrete injection pipe and method for constructing concrete filled steel tube with the device |
| WO2016206823A1 (en) * | 2015-06-22 | 2016-12-29 | Kern Tunneltechnik Sa | Blocking assembly and formwork element having such a blocking assembly |
| CN115781905A (en) * | 2022-12-12 | 2023-03-14 | 宁波永大建设集团有限公司 | Different strength concrete placement isolating device of beam column node |
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