城市轨道交通隧道周边建(构)筑沉降预测方法研究

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摘要根据建筑沉降曲线基本符合正态分布的特点，对隧道工程地表沉降预测Peck公式进行推导和参数修正，建立建(构)筑物沉降预测公式。通过工程案例总结和理论分析，研究单层和两层建筑的荷载作用对其变形的影响。通过数值模拟分析，研究建(构)筑物与隧道工程的空间位置关系对建筑基础沉降的影响。根据地层损失率Vl已有的研究成果和建(构)筑物沉降预测公式，计算得出国内不同城市的建(构)筑物沉降槽宽度参数Ks的参考取值。工程实践表明，建(构)筑物沉降预测公式计算结果与数值模拟、实际监测结果较为吻合，该公式具有很好的实用性，可应用于类似工程的建筑基础沉降预测。

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关键词 ：隧道工程, 城市轨道交通, 建(构)筑物, 沉降预测

Abstract：The building/structure settlement curve fits to the normal distribution. The Peck formula in tunnel engineering ground surface settlement prediction is derived，and its parameter meaning is changed to establish the building/structure settlement prediction formula. The single and two layer buildings load effect on the deformation are studied by the engineering cases summary and theoretical analysis. The building/structure settlements in different locations of tunnel engineering are studied by numerical simulation. With the existing parameter value of volume loss(Vl) and building/structure settlement prediction formula，the reference value of building/structure settlement trough width parameter(Ks) in different countries are calculated. The engineering practices show that the building/structure settlement prediction formula calculation result，numerical simulation result and monitoring result are in good agreement. The formula has very good practicality，and it could be applied to similar building/structure foundation settlement prediction.

Key words： tunneling engineering urban rail transit building/structure settlement prediction

收稿日期: 2012-07-02

引用本文:

吴锋波1，2，3，金淮1，尚彦军4，刘永勤1. 城市轨道交通隧道周边建(构)筑沉降预测方法研究[J]. 岩石力学与工程学报, 2013, 32(s2): 3535-3544.
WU Fengbo1，2，3，JIN Huai1，SHANG Yanjun4，LIU Yongqin1. STUDY OF BUILDING/STRUCTURE SETTLEMENT PREDICTION METHOD SURROUNDING URBAN RAIL TRANSIT TUNNEL ENGINEERING. , 2013, 32(s2): 3535-3544.

链接本文:

https://rockmech.whrsm.ac.cn/CN/Y2013/V32/Is2/3535

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