不同围岩条件下大跨隧道的施工方案探讨

[]2000-01-05;[]2000-02-12;[],(,471009)[]3,3,[][]U45[]A[]0495-5331(2000)05-0091-041,,,9,6,3,,,,,,,2#,,,,,,,:1#1#,22.11#:1#2563m,,348m1#,,253m,20168m,13183m,0167;95m,,,93m,50m,255m1#,,2.24268m,,,817m,2+1,,,118m,19122m,13111m,0168(4253m3/d),,,2.31#1#225m,,16m,19108m,13164m,0171,,,120m,,,,,:(1),;(2),313:,,,,,,,1936520009GEOLOGYANDPROSPECTINGVol.36No.5September,2000©1995-2003TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.11#1#20.68m19.22m19.08m13.83m13.11m13.64m60cm50cm65cm90cm90cm105cm35cm,25cm15cm15cm425,0.5m/422,1.0m/42,3.5m,0.3m1.0mWTD25,3.5m,1.2m1.0mG32,5.0m,0.4m2.0m3.1,,,,,,,:;;(),,,,,,,(CD)3221#:123456:123451#:12343.2:,,1#1#,,,;;,,1#292000©1995-2003TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.1#,,,5,,,5,,1212:1),,,,2),,,,3),,,,4),3,(),,,,,:1#,(),,,1#,,,,,,,2+1,,,,,3.3,1),,1#,50m,;1#;395:©1995-2003TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.2),1#23m,(,916m),,1#3)341#,,,50mm70mm,60mm80mm,25mm40mm,/0138%,,;1#,,31#41),,4,,,,,,,,,2),,1#,6m,3),,,,(),4)33,,;DISCUSSIONONEXECUTINGPLANOFLONGSPANTUNNELUNDERDIFFERENTCOUNTRYROCKCONDITIONSLIUHong-wei,LIJian-huaAbstract:Byanalyzingandcomparingdifferentexecutingplansunderdifferentgeologicalconditionsinthreeworksitesthroughtheconstructionofthreelongspanstationtunnels,thereferenceisprovidedforthedesignandconstructionoffuturelongspantunnels.Keywords:longspan,executingplan,numericalanalysis.:(1967-),1990,1999::471009492000©1995-2003TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.