JPH048985A - Connecting method of concrete-covered steel pipe - Google Patents
Connecting method of concrete-covered steel pipeInfo
- Publication number
- JPH048985A JPH048985A JP10750590A JP10750590A JPH048985A JP H048985 A JPH048985 A JP H048985A JP 10750590 A JP10750590 A JP 10750590A JP 10750590 A JP10750590 A JP 10750590A JP H048985 A JPH048985 A JP H048985A
- Authority
- JP
- Japan
- Prior art keywords
- concrete
- steel pipes
- covered
- covered steel
- connecting ends
- 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
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 26
- 239000010959 steel Substances 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims description 11
- 239000004567 concrete Substances 0.000 claims abstract description 59
- 238000003466 welding Methods 0.000 claims abstract description 5
- 238000009415 formwork Methods 0.000 claims description 13
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 238000010276 construction Methods 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- GVBNSPFBYXGREE-UHFFFAOYSA-N Visnadine Natural products C1=CC(=O)OC2=C1C=CC1=C2C(OC(C)=O)C(OC(=O)C(C)CC)C(C)(C)O1 GVBNSPFBYXGREE-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Landscapes
- Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、鋼管の外周に被覆コンクリートを施した空気
圧送用のバイブラインを、現場で容易に接続できるよう
にするコンクリート被覆鋼管の接続方法に関するもので
ある。[Detailed Description of the Invention] [Field of Industrial Application] The present invention provides a method for connecting concrete-coated steel pipes, which enables easy connection on-site of a vibrating line for pneumatic conveyance in which the outer periphery of the steel pipe is coated with concrete. It is related to.
近年、夜間の余剰電力を利用して、第３図に示すごとき
陸上のコンプレッサ２からの圧縮空気を、大水深、例え
ば水深Ｈ＝３００ｍの海底Ｂに沈設した圧縮空気貯蔵装
置１に貯蔵し、昼間の電力需要ピーク時に貯蔵した圧縮
空気を利用して、陸上のタービン２１などで発電し、電
力を供給することが考えられている。In recent years, by utilizing surplus electricity at night, compressed air from a land-based compressor 2 as shown in FIG. It is being considered that compressed air stored during daytime peak power demand times can be used to generate electricity using a turbine 21 on land to supply electricity.
この際、海底Ｂの圧縮空気貯蔵装置１と、陸上のコンプ
レッサ２及びタービン２１などの発電所側との間に圧縮
空気を送るためのバイブライン３が必要となるが、この
バイブライン３は、圧縮空気を送るので水中で浮力が働
き、バイブライン３を地中に埋設しないで水底に敷設す
るには、バイブライン３が浮き上らないように、バイブ
ライン３にコンクリートの被覆を施すことが検討されて
いる。At this time, a vibe line 3 is required to send compressed air between the compressed air storage device 1 on the seabed B and the power plant side such as the compressor 2 and turbine 21 on land. Since compressed air is sent, buoyancy works in the water, so in order to lay the Vibrine 3 on the bottom of the water instead of burying it underground, it is necessary to cover the Vibrine 3 with concrete to prevent it from floating up. It is being considered.
そのためには、コンクリートで外周を被覆された鋼管か
らなる単位長さのコンクリート被覆鋼管を敷設現場で接
続してバイブライン３とする作業が不可欠であるが、そ
の作業を現場で容易に行いうる接続方法については現在
まだ具体化されておらず、そのような方法の開発が要望
されている。To achieve this, it is essential to connect concrete-coated steel pipes of unit length at the construction site to form Vibrine 3, which is made up of steel pipes whose outer peripheries are covered with concrete. The method has not yet been specified, and the development of such a method is desired.
本発明は、上記の要望に応えるためになされたものであ
り、現場で容易に接続作業ができるコンクリート被覆鋼
管の接続方法を提供することを解決課題としたものであ
る。The present invention was made in response to the above-mentioned needs, and an object of the present invention is to provide a method for connecting concrete-coated steel pipes that can be easily connected on-site.
上記の課題を解決するための手段として、本発明の接続
方法は、接続する各コンクリート被覆鋼管の、被覆コン
クリートを施していない接続端の各鋼管の端部同志を溶
接により接合の後、上記接続端の両側の各被覆コンクリ
ートの外周にまたがって、２つ割のコンクリート型枠を
ボルト、ナツトなどにより取付け、そのコンクリート型
枠の上部に設けたコンクリート注入穴からコンクリート
型枠内にコンクリートを充填することを特徴としたもの
である。As a means for solving the above-mentioned problems, the connection method of the present invention is to connect the ends of the concrete-coated steel pipes to be connected by welding, which are not covered with concrete, and then connect the concrete-coated steel pipes to each other by welding. Attach a two-part concrete formwork using bolts, nuts, etc. to span the outer periphery of each covered concrete on both sides of the end, and fill the concrete formwork with concrete through the concrete injection hole made at the top of the concrete formwork. It is characterized by this.
この場合、２つ割のコンクリート型枠がまたがる各被覆
コンクリートの外周部分には、コンクリート型枠の厚さ
に応した切り込みを設けることが好ましく、また、コン
クリート型枠の上部に設けるコンクリート注入穴には着
脱容易なねじ蓋を設けておき、コンクリート注入後に注
入穴をねし蓋で閉じておくことも好ましい。In this case, it is preferable to provide a notch corresponding to the thickness of the concrete formwork on the outer periphery of each covering concrete that spans the two-part concrete formwork, and to make a cut in the concrete injection hole provided at the top of the concrete formwork. It is also preferable to provide a screw cap that is easy to attach and remove, and to close the injection hole with a screw cap after pouring concrete.
以下図面を参照して本発明の方法によるコンクリート被
覆鋼管の接続作業の一実施例について説明するが、第１
図はそのコンクリート被覆鋼管の接続時の要部側断面図
で、第２図は第１図のＡ−Ａ方向の正断面図である。An embodiment of the concrete-coated steel pipe connection work by the method of the present invention will be described below with reference to the drawings.
The figure is a sectional side view of the main part of the concrete-coated steel pipe when it is connected, and FIG. 2 is a front sectional view taken along the line A--A in FIG. 1.
まず、上記の接続する各コンクリート被覆鋼管のそれぞ
れの接続端を、部分的に被覆コンクリート２で被覆せず
に、鋼管１をむき出しにしておくが、これはコンクリー
ト被覆鋼管の製造時にあらかじめそのように施工してお
くことが望ましい。First, the connecting ends of each of the concrete-coated steel pipes to be connected are not partially covered with the covering concrete 2 and the steel pipes 1 are exposed. It is desirable to have it constructed.
次に、上記接続端の鋼管１の管端部同志を現場で溶接継
手Ｗで溶接接合するが、必要に応じて、その部分に補強
板を用いてもよい。Next, the pipe ends of the steel pipes 1 at the connection ends are welded together at the site using a weld joint W, but a reinforcing plate may be used in that part if necessary.
その後、接続端の両側の被覆コンクリート２の各端部の
外周にまたがって、第２図のごとき２つ割のコンクリー
ト型枠４を、上下から当て、それぞれのフランジをボル
ト、ナツト７で締めつけることにより取付ける。After that, apply two halves of concrete formwork 4 from above and below, as shown in Fig. 2, over the outer periphery of each end of the covering concrete 2 on both sides of the connection end, and tighten each flange with bolts and nuts 7. Attach by.
なお、この実施例では被覆コンクリート２の各端部の外
周にコンクリート型枠４の枠板厚さに応じた切り込み６
を設け、接続部分の外周径が本体と同じになるようにし
ている。また、コンクリート型枠４には、鋼板製のもの
を使用しているが、プラスチックなどの耐食性のものを
使ってもよい。In addition, in this embodiment, cuts 6 corresponding to the thickness of the frame plate of the concrete formwork 4 are formed on the outer periphery of each end of the covered concrete 2.
is provided so that the outer diameter of the connecting part is the same as that of the main body. Further, although the concrete formwork 4 is made of steel plate, it may be made of corrosion-resistant material such as plastic.
次に、コンクリート型枠４の上部に設けたコンクリート
注入穴であるねじ蓋用穴９のねし蓋１０を開けて、その
開口部からコンクリート型枠４内の空間にコンクリート
８を充填し、ねじ蓋１０を締める。Next, open the screw cap 10 of the screw cap hole 9, which is the concrete pouring hole provided at the top of the concrete form 4, and fill the space inside the concrete form 4 with concrete 8 through the opening. Tighten the lid 10.
なお、この実施例ではコンクリート８の充填用のコンク
リート注入穴をねじ蓋１０で開閉可能としているが、そ
の開閉手段はどのような手段でもよく、さらに、状況に
よってはコンクリート注入穴はコンクリート８の充填時
にふさがなくともコンクリート８自身でふさぐようにし
てもよい。In this embodiment, the concrete injection hole for filling the concrete 8 can be opened and closed using the screw cap 10, but any means may be used for opening and closing the hole. Sometimes, even if it is not sealed, it may be sealed with the concrete 8 itself.
以上に説明した本発明のコンクリート被覆鋼管の接続方
法によれば、バイブラインの敷設する近くの現場で容易
にコンクリート被覆鋼管の接続ができるという効果があ
る。According to the method for connecting concrete-coated steel pipes of the present invention described above, there is an effect that concrete-coated steel pipes can be easily connected at a site near where a vibrate line is installed.
なお、本発明の方法は、海底に圧縮空気の圧送用のパイ
プラインを敷設する場合に特に有効に適用することがで
きる。Note that the method of the present invention can be particularly effectively applied when a pipeline for pumping compressed air is laid on the seabed.
第１図は本発明の方法によるコンクリート被覆鋼管の接
続作業の一実施例における接続端部の要部側断面図、第
２図は第１図のＡ−Ａ方向の正断面図、第３図は水中設
置用圧縮空気貯蔵装置の設置例を示す配置図である。
１・・・鋼管、２・・・被覆コンクリート、４・・・コ
ンクリート型枠、８・・・コンクリート、９・・・ねじ
蓋用穴、
Ｗ・・・溶接継手。
代理人 弁理士 小 川 信 −Fig. 1 is a side sectional view of the main part of the connection end in an example of the connection work of concrete-coated steel pipes by the method of the present invention, Fig. 2 is a front sectional view taken in the direction A-A of Fig. 1, and Fig. 3 1 is a layout diagram showing an installation example of a compressed air storage device for underwater installation. 1... Steel pipe, 2... Covered concrete, 4... Concrete formwork, 8... Concrete, 9... Hole for screw cap, W... Welded joint. Agent Patent Attorney Nobuo Ogawa −
Claims (1)
を施していない接続端の各鋼管同志を溶接接合の後、上
記接続端の両側の各被覆コンクリートの外周にまたがっ
て、２つ割のコンクリート型枠を取付け、そのコンクリ
ート型枠の上部に設けたコンクリート注入穴からコンク
リート型枠内にコンクリートを充填するコンクリート被
覆鋼管の接続方法。After welding the connecting ends of the concrete-coated steel pipes that are not covered with concrete to be connected, install two-part concrete formwork across the outer periphery of each concrete-coated steel pipe on both sides of the connection ends. , A method for connecting concrete-covered steel pipes that fills concrete into the concrete formwork through a concrete injection hole provided at the top of the formwork.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10750590A JPH048985A (en) | 1990-04-25 | 1990-04-25 | Connecting method of concrete-covered steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10750590A JPH048985A (en) | 1990-04-25 | 1990-04-25 | Connecting method of concrete-covered steel pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH048985A true JPH048985A (en) | 1992-01-13 |
Family
ID=14460911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10750590A Pending JPH048985A (en) | 1990-04-25 | 1990-04-25 | Connecting method of concrete-covered steel pipe |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH048985A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5904387A (en) * | 1993-08-31 | 1999-05-18 | Smc Kabushiki Kaisha | Suction pad, rotation-stop and guide mechanism for the same |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5786687A (en) * | 1980-11-19 | 1982-05-29 | Sumitomo Metal Ind | Double layered propelling steel pipe |
| JPS5842477B2 (en) * | 1976-09-27 | 1983-09-20 | 株式会社河合楽器製作所 | electronic musical instruments |
-
1990
- 1990-04-25 JP JP10750590A patent/JPH048985A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5842477B2 (en) * | 1976-09-27 | 1983-09-20 | 株式会社河合楽器製作所 | electronic musical instruments |
| JPS5786687A (en) * | 1980-11-19 | 1982-05-29 | Sumitomo Metal Ind | Double layered propelling steel pipe |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5904387A (en) * | 1993-08-31 | 1999-05-18 | Smc Kabushiki Kaisha | Suction pad, rotation-stop and guide mechanism for the same |
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