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双孔隧道盾构施工对邻近桩基变形和内力的研究 被引量:2

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摘要 在大型有限差分软件FLAC3D平台上进行二次开发,利用内嵌FISH语言编程,主要从隧道的不同开挖顺序方面,对双孔隧道盾构施工过程中邻近基桩的变形和内力进行数值仿真模拟,模型考虑盾构前方土仓压力、盾尾同步注浆、注浆凝结和未凝结两种状态以及衬砌管片施加等施工参数。研究表明:双孔隧道施工对邻近桩基的影响要大于单孔隧道施工对桩基的影响;隧道不同的开挖顺序对邻近桩基的位移和内力产生不同影响:先开挖离桩远的隧道,再开挖离桩近的隧道的方案,对桩基的内力和位移影响最大;两条隧道同时开挖对桩的内力和位移基影响最小。
出处 《铁道勘测与设计》 2008年第2期40-44,68,共6页 Railway Survey and Design
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  • 1方勇,何川.盾构法修建正交下穿地铁隧道对上覆隧道的影响分析[J].铁道学报,2007,29(2):83-88. 被引量:74
  • 2LOGANATHAN N,POULOS H G,STEWART D P.Centrifuge model testing of tunnelling-induced ground and pile deformations[J].Géotechnique,2000,50(3):283-294.
  • 3LEE C J,CHIANG K H.Responses of single piles to tunnelling-induced soil movements in sandy ground[J].Canadian Geotechnical Journal,2007,44(10):1224-1241.
  • 4MORTON J D,KING K H.Effect of tunnelling on the bearing capacity and settlement of piled foundations[C]//Tunnelling'79,Proceedings of the 2nd International Symposium.London:IMM,1979:57-64.
  • 5MAIR R J,TAYLOR R N.Bored tunnelling in the urban environments[C]//The Fourteenth International Conference on Soil Mechanics and Foundation Engineering.Hamburg:Balkema A A,1999:2353-2385.
  • 6MAIR R J.Geotechnical aspects of design criteria for bored tunnelling in soft ground[C]//Proceedings of World Tunnel Congress on Tunnels and Metropolis.Sao Paulo:[s.n.],1998:183-199.
  • 7MAIR R J.Tunnelling and geotechnics:New horizons[J].Geotechnique,2008,58(9):695-736.
  • 8LAKE L M,RANKIN W J,HAWLEY J.Prediction and effects of ground movements caused by tunnelling in soft ground beneath urban area[R].London:Construction Industry Research and Information Association,1992.
  • 9BOWERS K H,HILLER D M,NEW B M.Ground movement over three years at the Heathrow Express Trial Tunnel[C]//Geotechnical Aspects of Underground Construction in Soft Ground.Rotterdam:Balkema,1996:647-652.
  • 10HARRIS D I.Long term settlement following tunnelling in overconsolidated London clay[C]//Proceedings of the3rd International Symposium on the Geotechnical Aspects of Underground Construction in Soft Ground.Toulouse:Spécmque,2002:393-398.

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