地铁隧道施工引起沉降槽宽度的影响因素-北京市勘察设计研究院 关键词】：隧道；地铁；地层位移；沉降槽 [gap=1007]Keywords】：tunnel；subway；ground movement；settlement trough
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【Key words】 shield tunnel； stratum displacement； earth pressure； numerical modal； grouting； mechanical property；
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Through the shield tunneling, grouting is the most important factor, which affects the magnitude and distribution of stratum displacement and ground-stress on lining.
在盾构隧道施工中，盾尾空隙中所注浆体随施工过程逐渐固化，其力学性质也不断发生变化，影响着地层位移的形成和地应力的重分布。
参考来源 - 考虑施工过程的盾构隧道地层位移与土压力研究The extending width of the settlement trough induced by the urban tunneling is a key issue in the ground movement prediction and the related risk management.
在隧道施工引起的地层位移预测与相关风险管理中,地表沉降槽的延伸宽度是一个重要的课题,也是进行沉降预测的主要参数之一。
参考来源 - 地铁隧道施工引起沉降槽宽度的影响因素In the following part, this article applies this model to a specific example to analyze the rules and characteristics of the deformation of retaining wall, the settlement of the earth's surface, the displacement of stratum and surrounding pipelines.
接着，本文应用该模型分析了典型算例的围护结构变形、地表沉降、地层位移和周边管线位移位移的规律和特点。
参考来源 - 软土地区深基坑变形的有限差分法研究Integrating the measured data of ground settlement, disturbance on stratum, building settlement and construction parameters, the regularity of ground displacement filed and building settlement was emphatically analyzed, which verify the validity of the theoretical calculation result and small disturbance control.
综合地表沉降、地层扰动、房屋沉降和施工参数的实测数据分析结果,着重总结了地层位移场和房屋沉降的变化规律以及施工参数控制方法,验证了理论计算与微扰动控制的正确性。
参考来源 - 盾构近距离穿越危房的微扰动控制技术研究·2,447,543篇论文数据，部分数据来源于NoteExpress
控制地层位移以及保证繁忙线路的安全，是设计和施工中必须解决的主要问题。
The main issue considered both in the design and construction is controlling of the stratum displacement and keeping safety of the busy expressway.
注浆完成后随浆体水泥水化反应的进行和浆体水分的渗透损失，浆体体积收缩造成地层损失并引起地层位移沉降。
With the hydration of cement and liquid loss after backfill process being completed, the grout volumes shrinkage leads to ground loss and induces the ground movement.
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