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Abstract:
基于岩体极限平衡理论,分别对海底隧道正常地质段和断层处的突水机理进行了力学分析,给出了隧道突水的临界水压力公式.以翔安隧道2个风化深槽及2个断面为例进行了突水风险计算预测.分析表明:正常地质段,隧道突水临界水压力随着隧道半径的增大而减小,随着围岩的单轴抗压强度的增大而增大,随着隧道埋深的增大而增大;断层处,当破碎带倾角大于或等于围岩内摩擦角时,存在突水的可能,且破碎带倾角愈大、内摩擦角愈小,突水的可能性就愈大.
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北京工业大学学报
ISSN: 0254-0037
Year: 2007
Issue: 3
Volume: 33
Page: 273-277
Cited Count:
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 32
Chinese Cited Count:
30 Days PV: 0
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