JP2012062732A - 地盤改良方法 - Google Patents
地盤改良方法 Download PDFInfo
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- JP2012062732A JP2012062732A JP2010209925A JP2010209925A JP2012062732A JP 2012062732 A JP2012062732 A JP 2012062732A JP 2010209925 A JP2010209925 A JP 2010209925A JP 2010209925 A JP2010209925 A JP 2010209925A JP 2012062732 A JP2012062732 A JP 2012062732A
- Authority
- JP
- Japan
- Prior art keywords
- ground
- tank
- lng
- sand
- area
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 38
- 239000004576 sand Substances 0.000 claims abstract description 55
- 238000005056 compaction Methods 0.000 claims abstract description 9
- 239000003949 liquefied natural gas Substances 0.000 abstract description 60
- 239000010779 crude oil Substances 0.000 description 19
- 239000004567 concrete Substances 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000002265 prevention Effects 0.000 description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000011513 prestressed concrete Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- 235000012255 calcium oxide Nutrition 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 229910001562 pearlite Inorganic materials 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Images
Landscapes
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Foundations (AREA)
Abstract
【解決手段】地盤改良されていない領域4の地盤に多数の砂杭9,9…を打設することにより、LNG用のタンク10を設置する全領域5の地盤を均一化する。また、前記砂杭9,9…は、サンドコンパクションパイル工法により打設される。さらに、前記砂杭9,9…は、LNG用のタンク10の外周に沿った領域8にも打設される。
【選択図】 図4
Description
4…地盤改良されていない領域
5…LNG用のタンクを設置する全領域
6…基礎杭
9…砂杭
10…LNG用のタンク
Claims (4)
- 地盤改良された領域と地盤改良されていない領域とに跨ってLNG用のタンクを設置するときの地盤改良方法であって、
地盤改良されていない領域の地盤に多数の砂杭を打設することにより、LNG用のタンクを設置する全領域の地盤を均一化することを特徴とする地盤改良方法。 - 前記多数の砂杭が打設されて地盤改良された領域と、多数の砂杭が打設される以前に地盤改良されていた領域との両領域の地盤強度を測定することによってLNGタンク支持のための基礎杭の本数を算出し、両領域に当該基礎杭を打設する工程が含まれていることを特徴とする請求項1に記載の地盤改良方法。
- 前記砂杭は、サンドコンパクションパイル工法により打設されることを特徴とする請求項1または2に記載の地盤改良方法。
- 前記砂杭は、LNG用のタンクの外周に沿った領域にも打設されることを特徴とする請求項1ないし3のいずれか一つに記載の地盤改良方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010209925A JP5723558B2 (ja) | 2010-09-17 | 2010-09-17 | 地盤改良方法 |
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JP2010209925A JP5723558B2 (ja) | 2010-09-17 | 2010-09-17 | 地盤改良方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012062732A true JP2012062732A (ja) | 2012-03-29 |
JP5723558B2 JP5723558B2 (ja) | 2015-05-27 |
Family
ID=46058708
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2010209925A Active JP5723558B2 (ja) | 2010-09-17 | 2010-09-17 | 地盤改良方法 |
Country Status (1)
Country | Link |
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JP (1) | JP5723558B2 (ja) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4816813B1 (ja) * | 1968-10-24 | 1973-05-24 | ||
JP2000282451A (ja) * | 1999-03-29 | 2000-10-10 | Fudo Constr Co Ltd | 地盤強化方法 |
JP2010018956A (ja) * | 2008-07-08 | 2010-01-28 | Shimizu Corp | 地盤改良構造 |
-
2010
- 2010-09-17 JP JP2010209925A patent/JP5723558B2/ja active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4816813B1 (ja) * | 1968-10-24 | 1973-05-24 | ||
JP2000282451A (ja) * | 1999-03-29 | 2000-10-10 | Fudo Constr Co Ltd | 地盤強化方法 |
JP2010018956A (ja) * | 2008-07-08 | 2010-01-28 | Shimizu Corp | 地盤改良構造 |
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JP5723558B2 (ja) | 2015-05-27 |
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