摘要
采用随机介质理论和剪切位移法,计算在桩基影响下地铁隧道开挖引起的地表沉降,得到了考虑桩基效应地铁隧道开挖引起地表位移的解析解。对影响地表沉降大小的主要参数进行了敏感性分析。并通过工程实例验证了结果的可靠性。结果表明:隧道工后收缩量是地表沉降量大小的主要影响因素;计算方法可有效预测类似工程的地表沉降。
Based on the stochastic medium theory and shear displacement method,calculated the ground subsidence caused by metro tunnel excavation in the influence of pile foundation,and acquired analytical solution in the condition. Analyzed the main parameters affecting surface subsidence. The reliability of the results is verified by engineering examples. The results show that the shrinkage of tunnels is the main influencing factors of the surface subsidence; Using the calculation method can effectively predict the surface subsidence of similar engineering.
出处
《公路工程》
北大核心
2015年第4期238-244,共7页
Highway Engineering
关键词
沉降
桩基
地铁隧道
解析解
subsidence
pile foundation
metro tunnel
analytical solution
