JP2007056474A - 土留め壁の鋼管杭部分撤去方法 - Google Patents
土留め壁の鋼管杭部分撤去方法 Download PDFInfo
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- JP2007056474A JP2007056474A JP2005240475A JP2005240475A JP2007056474A JP 2007056474 A JP2007056474 A JP 2007056474A JP 2005240475 A JP2005240475 A JP 2005240475A JP 2005240475 A JP2005240475 A JP 2005240475A JP 2007056474 A JP2007056474 A JP 2007056474A
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- steel pipe
- pipe pile
- retaining wall
- lifting
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 57
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- 238000000034 method Methods 0.000 title claims abstract description 39
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- 239000000945 filler Substances 0.000 claims description 4
- 239000012779 reinforcing material Substances 0.000 claims description 3
- 230000006378 damage Effects 0.000 claims description 2
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- 230000003628 erosive effect Effects 0.000 abstract description 6
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- 238000010586 diagram Methods 0.000 description 3
- 239000011150 reinforced concrete Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000009408 flooring Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
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- 238000004090 dissolution Methods 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 239000011381 foam concrete Substances 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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Landscapes
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
【解決手段】 鋼管杭の撤去したい部分を、その内部から水平及び垂直切断する電食溶断、カッター切断、高圧水切断、砥石切断、薬剤溶断、爆薬溶断又はアーク放電切断のいずれかを備えた切断装置で、3ないし4等分のブロック片に切断し、切断された該ブロック片を、吊上げワイヤーの連結部を形成しておく方法或は、磁石吸着、真空吸着又は接着によりブロック片をワイヤー端部と連結して吊上げて鋼管内の上部或は地上に撤去することを特徴とする。
【選択図】 図1
Description
円柱または矩形柱状の鋼管杭の撤去したい部分を、その内部から水平及び垂直切断する切断装置で3ないし4等分のブロック片に切断し、切断された該ブロック片を吊上げて鋼管内の上部或は地上に撤去することを特徴とする。
11 床付け
20 鋼管
20A 鋼管(角柱)
20a 切断線
20b 縦切断線
20c 切断片
21 吊ワイヤー
25 破壊予定部
30 成型爆薬
31 ゴム
32 爆薬
33 金属板
41 電磁石
41a 電線
42 吸着パッキン
42a パイプ
43 吊金具
43a 接着剤
44 掛け金具
44a 鉤手
45 掛け金具
Claims (4)
- 破壊予定部位の土留め壁の補強材である鋼管杭の地中部の一部を撤去する方法であって、
円柱または矩形柱状の鋼管杭の撤去したい部分を、その内部から水平及び垂直切断する切断装置で3ないし4等分のブロック片に切断し、切断された該ブロック片を吊上げて鋼管内の上部或は地上に撤去することを特徴とする土留め壁の鋼管杭部分撤去方法。 - 前記切断装置は、電食溶断、カッター切断、高圧水切断、砥石切断、薬剤溶断、爆薬溶断又はアーク放電切断のいずれかを備えた装置によることを特徴とする請求項1記載の土留め壁の鋼管杭部分撤去方法。
- 前記吊上げ方法は、予め前記鋼管杭の切断されるブロック片の各々に吊上げワイヤーの連結部を形成しておく方法或は、磁石吸着、真空吸着又は接着によりブロック片をワイヤー端部と連結して吊上げることを特徴とする請求項1記載の土留め壁の鋼管杭部分撤去方法。
- 請求項1ないし3記載の土留め壁の鋼管杭部分撤去方法で撤去された空隙に発泡モルタル充填材を充填してシールド機の発進・到着土留め壁とすることを特徴とする土留め壁の鋼管杭部分撤去方法。
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JP2005240475A JP4359701B2 (ja) | 2005-08-22 | 2005-08-22 | 土留め壁の鋼管杭部分撤去方法 |
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JP2005240475A JP4359701B2 (ja) | 2005-08-22 | 2005-08-22 | 土留め壁の鋼管杭部分撤去方法 |
Publications (2)
Publication Number | Publication Date |
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JP2007056474A true JP2007056474A (ja) | 2007-03-08 |
JP4359701B2 JP4359701B2 (ja) | 2009-11-04 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009003663A1 (en) * | 2007-07-04 | 2009-01-08 | Ammonia Casale S.A. | Wall system for catalytic beds of synthesis reactors and relative production process |
WO2022097194A1 (ja) * | 2020-11-04 | 2022-05-12 | 日本電信電話株式会社 | 構造物管理システム |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102733391B (zh) * | 2012-07-11 | 2014-07-16 | 中交三航局第二工程有限公司 | 一种桩体水下切割的施工方法 |
CN110984149A (zh) * | 2019-12-02 | 2020-04-10 | 中建八局轨道交通建设有限公司 | 盾构磨桩工艺中桩体预处理的施工方法 |
-
2005
- 2005-08-22 JP JP2005240475A patent/JP4359701B2/ja active Active
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009003663A1 (en) * | 2007-07-04 | 2009-01-08 | Ammonia Casale S.A. | Wall system for catalytic beds of synthesis reactors and relative production process |
EP2014356A1 (en) * | 2007-07-04 | 2009-01-14 | Ammonia Casale S.A. | Wall system for catalytic beds of synthesis reactors and relative manufacturing process |
AU2008271605B2 (en) * | 2007-07-04 | 2011-07-28 | Ammonia Casale S.A. | Wall system for catalytic beds of synthesis reactors and relative production process |
US8435458B2 (en) | 2007-07-04 | 2013-05-07 | Ammonia Casale S.A. | Wall system for catalytic beds of synthesis reactors and relative production process |
US9138712B2 (en) | 2007-07-04 | 2015-09-22 | Casale Sa | Wall system for catalytic beds of synthesis reactors and relative production process |
WO2022097194A1 (ja) * | 2020-11-04 | 2022-05-12 | 日本電信電話株式会社 | 構造物管理システム |
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