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1、3.3.2Ⅳ級圍巖計算結果對比分析......................................................................203.3.3Ⅴ級圍巖計算結果對比分析......................................................................273.4本章小結...........................................................................................................
2、......33第四章Ⅳ級圍巖開挖方案優(yōu)化與施工過程分析4.1前言.........................................................................................................................344.2Ⅳ級圍巖開挖方案優(yōu)化.........................................................................................344.2.1模型的建立......................
3、............................................................................344.2.2結果對比分析..............................................................................................364.3臺階—導洞法開挖過程分析.................................................................................414.3.1開挖過程
4、中圍巖位移分析..........................................................................414.3.2開挖過程中圍巖最小主應力分析..............................................................454.3.3開挖過程中圍巖塑性區(qū)分析......................................................................464.4本章小結..............................
5、.....................................................................................47第五章Ⅴ級圍巖開挖方案優(yōu)化與施工過程分析5.1前言.........................................................................................................................485.2Ⅴ級圍巖開挖方案優(yōu)化............................................
6、.............................................485.2.1模型的建立..................................................................................................485.2.2開挖與計算流程..........................................................................................485.2.3結果對比分析....................
7、..........................................................................495.3單側壁導坑法開挖過程分析.................................................................................545.4本章小結...................................................................
