JPS63156292U - - Google Patents
Info
- Publication number
- JPS63156292U JPS63156292U JP4768187U JP4768187U JPS63156292U JP S63156292 U JPS63156292 U JP S63156292U JP 4768187 U JP4768187 U JP 4768187U JP 4768187 U JP4768187 U JP 4768187U JP S63156292 U JPS63156292 U JP S63156292U
- Authority
- JP
- Japan
- Prior art keywords
- welded
- steel pipe
- backing material
- propulsion
- steel
- 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 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 238000005253 cladding Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- 239000000945 filler Substances 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Description
第１図はこの考案の一実施例を示す継手部断面
図であり、第１図ａは推進時の継手部断面図、第
１図ｂは推進完了時の継手部断面図である。第２
図ａ、及び第２図ｂはこの考案の他の実施例を示
す継手部断面図、第３図は従来の推進用鋼管を示
す構造図であり、第３図ａは側面縦断図、第３図
ｂは正面断面図を示している。第４図は第３図に
おける継手部断面図であり、第４図ａは継ぎ輪式
の継手部断面図、第４図ｂはセグメント式の継手
部断面図を示している。第５図は推進工事を示す
説明図である。
図において、１ａは鋼管、２０，２１は推進用
鋼管、２２は被覆管、２４は被覆管溶接、２５は
充填材、２６，２６ａ，２６ｂは溶接裏当材、２
８はエンドプレートである。なお、各図中同一符
号は同一または相当部分を示す。
FIG. 1 is a sectional view of a joint showing an embodiment of this invention, FIG. 1a is a sectional view of the joint during propulsion, and FIG. 1b is a sectional view of the joint when propulsion is complete. Second
Figures a and 2b are cross-sectional views of the joint showing other embodiments of this invention, Figure 3 is a structural view of a conventional propulsion steel pipe, Figure 3a is a side longitudinal sectional view, and Figure 3a is a side longitudinal sectional view. Figure b shows a front sectional view. FIG. 4 is a cross-sectional view of the joint in FIG. 3, FIG. 4a is a cross-sectional view of the collar-type joint, and FIG. 4b is a cross-sectional view of the segment-type joint. FIG. 5 is an explanatory diagram showing the promotion work. In the figure, 1a is a steel pipe, 20 and 21 are propulsion steel pipes, 22 is a cladding tube, 24 is a welded cladding tube, 25 is a filler, 26, 26a, and 26b are welded backing materials, 2
8 is an end plate. Note that the same reference numerals in each figure indicate the same or corresponding parts.
Claims (1)
に充填材を充填してなる推進用鋼管の継手部にお
いて、連結時に隣接する両端部に溶接開先を有す
る被覆管と、該被覆管と隣接する該被覆管とを連
結する被覆管溶接と、該推進用鋼管の一方の端部
に一部が突出状態で該被覆管と該鋼管に溶接され
ている溶接裏当材と、該溶接裏当材の突出してい
る一部が連結時に収納される該推進用鋼管の他方
の端部に設けられている溝を形成する該被覆管内
面と該鋼管外面に溶接されているエンドプレート
とを備えたことを特徴とする推進用鋼管組体。 (2) 前記溶接裏当材は山形鋼と平鋼とでコの字
状に成形されていることを特徴とする実用新案登
録請求の範囲第１項に記載の推進用鋼管組体。 (3) 前記溶接裏当材は平鋼でコの字状に成形さ
れていることを特徴とする実用新案登録請求の範
囲第１項に記載の推進用鋼管組体。 (4) 前記溶接裏当材は溝型鋼であることを特徴
とする実用新案登録請求の範囲第１項に記載の推
進用鋼管組体。[Scope of Claim for Utility Model Registration] (1) In the joint of a propulsion steel pipe, which is formed by filling a filler into the gap between a double pipe formed by a steel pipe and a cladding pipe, welding openings are formed at both ends adjacent to each other at the time of connection. A cladding tube welded to connect a cladding tube having a tip and an adjacent cladding tube, and a cladding tube welded to the cladding tube with a portion protruding from one end of the propulsion steel tube. a welded backing material, a protruding part of the welded backing material forming a groove provided at the other end of the propulsion steel pipe in which the protruding part of the welded backing material is housed when connected, and the inner surface of the cladding pipe and the steel pipe; A propulsion steel pipe assembly characterized by comprising an end plate welded to the outer surface. (2) The propulsion steel pipe assembly according to claim 1, wherein the welded backing material is formed into a U-shape using angle steel and flat steel. (3) The propulsion steel pipe assembly according to claim 1, wherein the welded backing material is made of flat steel and is formed into a U-shape. (4) The propulsion steel pipe assembly according to claim 1, wherein the welded backing material is made of channel steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4768187U JPS63156292U (en) | 1987-04-01 | 1987-04-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4768187U JPS63156292U (en) | 1987-04-01 | 1987-04-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63156292U true JPS63156292U (en) | 1988-10-13 |
Family
ID=30868515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4768187U Pending JPS63156292U (en) | 1987-04-01 | 1987-04-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63156292U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0394823A1 (en) * | 1989-04-28 | 1990-10-31 | Kabushiki Kaisha Iseki Kaihatsu Koki | Intermediate pipe-jacking apparatus |
-
1987
- 1987-04-01 JP JP4768187U patent/JPS63156292U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0394823A1 (en) * | 1989-04-28 | 1990-10-31 | Kabushiki Kaisha Iseki Kaihatsu Koki | Intermediate pipe-jacking apparatus |
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