JP4196292B2 - 既設管撤去方法 - Google Patents
既設管撤去方法 Download PDFInfo
- Publication number
- JP4196292B2 JP4196292B2 JP2004175824A JP2004175824A JP4196292B2 JP 4196292 B2 JP4196292 B2 JP 4196292B2 JP 2004175824 A JP2004175824 A JP 2004175824A JP 2004175824 A JP2004175824 A JP 2004175824A JP 4196292 B2 JP4196292 B2 JP 4196292B2
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- existing pipe
- shaft
- existing
- steel pipe
- 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.)
- Expired - Fee Related
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- Excavating Of Shafts Or Tunnels (AREA)
Description
10a 発進立坑
10b 到達立坑
11 既設管11
19 鋼管推進機
20 鋼管(引き抜き管)
21 部分鋼管
23 充填材注入プラント
24 配管
25 充填材
Claims (3)
- 地中に埋設された既設管の一端側に第1の立坑を築造し、該既設管の他端側に第2の立坑を築造する立坑築造工程と、
前記第1の立坑から前記第2の立坑の方向へ、前記既設管を覆うようにして引き抜き管を掘進させる掘進工程と、
前記引き抜き管の先端部が前記第2の立坑に到達した場合、前記先端部に蓋をする蓋工程と、
前記第2の立坑から前記第1の立坑の方向へ、前記既設管を内包する前記引き抜き管を引き抜く引き抜き工程と、
を含むことを特徴とする既設管撤去方法。 - 前記引き抜き工程では、前記引き抜き管および前記既設管を所定長ずつ引き抜きつつ順次切断することを特徴とする請求項1に記載の既設管撤去方法。
- 前記引き抜き管が引き抜かれた後の空洞を充填材により充填する充填工程を含むことを特徴とする請求項1または2に記載の既設管撤去方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004175824A JP4196292B2 (ja) | 2004-06-14 | 2004-06-14 | 既設管撤去方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004175824A JP4196292B2 (ja) | 2004-06-14 | 2004-06-14 | 既設管撤去方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005351041A JP2005351041A (ja) | 2005-12-22 |
JP4196292B2 true JP4196292B2 (ja) | 2008-12-17 |
Family
ID=35585736
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004175824A Expired - Fee Related JP4196292B2 (ja) | 2004-06-14 | 2004-06-14 | 既設管撤去方法 |
Country Status (1)
Country | Link |
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JP (1) | JP4196292B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105570532A (zh) * | 2015-12-10 | 2016-05-11 | 中国十七冶集团有限公司 | 一种顶管位移偏差的纠偏施工方法 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4808561B2 (ja) * | 2006-07-25 | 2011-11-02 | 三和機材株式会社 | 既設埋設管の回収工法 |
JP4935656B2 (ja) * | 2007-12-10 | 2012-05-23 | 鹿島建設株式会社 | 既設管の引抜き撤去工法 |
JP2010112037A (ja) * | 2008-11-05 | 2010-05-20 | Uemura Giken Kogyo Kk | 地下埋設物の撤去復旧方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2630377B2 (ja) * | 1987-08-21 | 1997-07-16 | 鉱研工業株式会社 | 地下埋設古管の取り替え方法 |
JP2631816B2 (ja) * | 1994-05-25 | 1997-07-16 | 株式会社関電工 | 不要埋設管撤去復旧工法 |
JP4249873B2 (ja) * | 2000-02-02 | 2009-04-08 | 大成建設株式会社 | 既設管路の撤去方法 |
-
2004
- 2004-06-14 JP JP2004175824A patent/JP4196292B2/ja not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105570532A (zh) * | 2015-12-10 | 2016-05-11 | 中国十七冶集团有限公司 | 一种顶管位移偏差的纠偏施工方法 |
Also Published As
Publication number | Publication date |
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JP2005351041A (ja) | 2005-12-22 |
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