JP5840891B2 - 土留部材の撤去方法 - Google Patents
土留部材の撤去方法 Download PDFInfo
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- JP5840891B2 JP5840891B2 JP2011175102A JP2011175102A JP5840891B2 JP 5840891 B2 JP5840891 B2 JP 5840891B2 JP 2011175102 A JP2011175102 A JP 2011175102A JP 2011175102 A JP2011175102 A JP 2011175102A JP 5840891 B2 JP5840891 B2 JP 5840891B2
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- retaining member
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- 238000000034 method Methods 0.000 title claims description 31
- 238000002347 injection Methods 0.000 claims description 174
- 239000007924 injection Substances 0.000 claims description 174
- 239000000463 material Substances 0.000 claims description 115
- 239000011800 void material Substances 0.000 claims description 39
- 238000003780 insertion Methods 0.000 claims description 28
- 230000037431 insertion Effects 0.000 claims description 28
- 239000002689 soil Substances 0.000 claims description 19
- 238000011049 filling Methods 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 5
- 230000014759 maintenance of location Effects 0.000 claims 1
- 239000007788 liquid Substances 0.000 description 17
- 229910000831 Steel Inorganic materials 0.000 description 10
- 239000010959 steel Substances 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 229910001868 water Inorganic materials 0.000 description 9
- 239000000499 gel Substances 0.000 description 7
- 238000010276 construction Methods 0.000 description 5
- 238000005336 cracking Methods 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 239000005431 greenhouse gas Substances 0.000 description 4
- 239000011400 blast furnace cement Substances 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000011151 fibre-reinforced plastic Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000088 plastic resin Substances 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical compound [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000001879 gelation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 229910001388 sodium aluminate Inorganic materials 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Landscapes
- Bulkheads Adapted To Foundation Construction (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Description
Claims (6)
- 埋設されている3つの土留部材ごとに、該3つの土留部材のうちの1つに隣接または近隣して注入管を挿入するための挿入孔を形成し、前記挿入孔内に前記注入管を挿入して埋設する工程と、
前記注入管から注入材を一定の流量で流出させるとともに、前記3つの土留部材のうち前記注入管から遠い土留部材から順に前記注入材の流量に応じて一定の速度で引き上げることにより、土壌内に空隙が生じるのと同時に、周囲の土圧により前記注入材を前記空隙へ流入させて該空隙を埋める工程とを含む、土留部材の撤去方法。 - 前記空隙を埋める工程を実施している間、地表面に注入材が浸み出しているかどうかを検査し、浸み出していることを検出した場合に、注入材の流量を調整する工程をさらに含む、請求項1に記載の土留部材の撤去方法。
- 前記流量を調整する工程では、前記地表面に設置された検出手段により前記注入材が浸み出していることを検出したことに応答して、前記注入材の供給手段に対して流量の設定値を変更し、前記注入材の流量を調整する、請求項2に記載の土留部材の撤去方法。
- 前記注入材は、10〜50L/minの範囲内の一定の流量で流出させ、前記土留部材は、前記注入材の流量に応じて0.5〜1.5m/minの範囲内の一定速度で引き上げる、請求項1〜3のいずれか1項に記載の土留部材の撤去方法。
- 前記注入材のゲルタイムが、20秒〜70秒である、請求項1〜4のいずれか1項に記載の土留部材の撤去方法。
- 前記埋設されている土留部材をクレーンにより引き上げる、請求項1〜5のいずれか1項に記載の土留部材の撤去方法。
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JP2011175102A JP5840891B2 (ja) | 2011-08-10 | 2011-08-10 | 土留部材の撤去方法 |
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JP2011175102A JP5840891B2 (ja) | 2011-08-10 | 2011-08-10 | 土留部材の撤去方法 |
Publications (2)
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JP2013036280A JP2013036280A (ja) | 2013-02-21 |
JP5840891B2 true JP5840891B2 (ja) | 2016-01-06 |
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JP2011175102A Active JP5840891B2 (ja) | 2011-08-10 | 2011-08-10 | 土留部材の撤去方法 |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6181456B2 (ja) * | 2013-08-05 | 2017-08-16 | 松江土建株式会社 | 鋼矢板跡グラウト充填置換工法および注入用鋼矢板 |
JP6273603B2 (ja) * | 2013-12-19 | 2018-02-07 | 大地 山下 | 土留め工法 |
JP6615494B2 (ja) * | 2015-05-29 | 2019-12-04 | 大地 山下 | 土留部材の撤去方法 |
JP7277157B2 (ja) * | 2019-02-04 | 2023-05-18 | 大地 山下 | 土留部材の撤去方法および汚染土壌の封じ込め方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58195626A (ja) * | 1982-05-11 | 1983-11-14 | Shozo Ogura | 矢板の裏込め注入方法 |
JP3391781B2 (ja) * | 2001-07-13 | 2003-03-31 | 山伸工業株式会社 | 土壌掘削工具、土壌掘削のための土木機械及び土壌改良工法 |
JP3935339B2 (ja) * | 2001-11-16 | 2007-06-20 | 株式会社遠藤工業 | 杭抜き工法 |
JP4689556B2 (ja) * | 2005-08-19 | 2011-05-25 | 強化土エンジニヤリング株式会社 | 可塑状ゲル注入材を用いた地盤固結法 |
JP5284168B2 (ja) * | 2009-04-03 | 2013-09-11 | 伸一 山下 | 土留部材建込用掘削部材および土留部材建込工法 |
JP5390919B2 (ja) * | 2009-04-17 | 2014-01-15 | 伸一 山下 | 土留部材撤去方法 |
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