JP4592430B2 - 改良地盤の改良体に生じる最大せん断応力度の計算方法 - Google Patents
改良地盤の改良体に生じる最大せん断応力度の計算方法 Download PDFInfo
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- JP4592430B2 JP4592430B2 JP2005013719A JP2005013719A JP4592430B2 JP 4592430 B2 JP4592430 B2 JP 4592430B2 JP 2005013719 A JP2005013719 A JP 2005013719A JP 2005013719 A JP2005013719 A JP 2005013719A JP 4592430 B2 JP4592430 B2 JP 4592430B2
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Claims (3)
- 軟弱地盤を深層混合処理工法により改良した改良地盤で構造物を直接支持する場合の改良体の地震時設計計算法において、改良地盤に作用する外力を改良体の面内壁で分担することを前提として、改良体に生じる最大せん断応力度の計算式を、
- 相関を確認するための解析用全体モデルを使用した震度法による応力解析の結果から得られる、相関のある総せん断力が最大となる改良地盤底面での構造物鉛直支持部に生じるせん断力に対する改良体に生じるせん断力の割合と、構造物鉛直支持部面積(A)に対する改良体の見付け面積(a)の割合との関係式から、改良体の外力分担率に関する関数を、
C=1.25〜1.40
とすることを特徴とする請求項1に記載の計算方法。 - 相関を確認するための解析用部分モデルを使用した震度法による応力解析の結果から得られる、相関のある面内壁のせん断力が最大となる深さでの改良体に生じるせん断力に対する改良体の面内壁に生じるせん断力の割合と、改良体の見付け面積(a)に対する改良体の面内壁見付け面積(al)の割合との関係式から、改良体の面内壁の応力分担率に関する関数を、
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JP2005013719A JP4592430B2 (ja) | 2005-01-21 | 2005-01-21 | 改良地盤の改良体に生じる最大せん断応力度の計算方法 |
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JP2005013719A JP4592430B2 (ja) | 2005-01-21 | 2005-01-21 | 改良地盤の改良体に生じる最大せん断応力度の計算方法 |
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JP2006200245A JP2006200245A (ja) | 2006-08-03 |
JP4592430B2 true JP4592430B2 (ja) | 2010-12-01 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP5590414B2 (ja) * | 2010-12-22 | 2014-09-17 | 清水建設株式会社 | 変位制御材の最適剛性設定方法 |
JP5797100B2 (ja) * | 2011-11-24 | 2015-10-21 | 鹿島建設株式会社 | 強度推定プログラム、強度推定装置、及び強度推定方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2568115B2 (ja) * | 1988-11-09 | 1996-12-25 | 建設省土木研究所長 | 砂質地盤液状化防止用格子壁 |
JP2001355229A (ja) * | 2000-06-13 | 2001-12-26 | Takenaka Komuten Co Ltd | 深層混合処理工法による格子状改良地盤における液状化防止のための格子間隔簡易算定法 |
JP2002302935A (ja) * | 2001-04-09 | 2002-10-18 | Ohbayashi Corp | 耐液状化格子状深層混合処理工法における格子状改良体の簡易設計方法 |
JP2003306930A (ja) * | 2003-05-20 | 2003-10-31 | Japan Railway Construction Public Corp | 地盤改良工法 |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2568115B2 (ja) * | 1988-11-09 | 1996-12-25 | 建設省土木研究所長 | 砂質地盤液状化防止用格子壁 |
JP2001355229A (ja) * | 2000-06-13 | 2001-12-26 | Takenaka Komuten Co Ltd | 深層混合処理工法による格子状改良地盤における液状化防止のための格子間隔簡易算定法 |
JP2002302935A (ja) * | 2001-04-09 | 2002-10-18 | Ohbayashi Corp | 耐液状化格子状深層混合処理工法における格子状改良体の簡易設計方法 |
JP2003306930A (ja) * | 2003-05-20 | 2003-10-31 | Japan Railway Construction Public Corp | 地盤改良工法 |
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