地铁双隧道施工引起地表沉降及变形的随机预测方法

›› 2008, Vol. 29 ›› Issue (12): 3422-3426.

地铁双隧道施工引起地表沉降及变形的随机预测方法

刘大刚¹，陶德敬²，王明年¹

1. 西南交通大学土木工程学院，成都 610031；2. 铁道第二勘测设计院，成都 610031

收稿日期:2007-04-16 出版日期:2008-12-10 发布日期:2013-08-11
作者简介:刘大刚，男，1979年生，博士研究生，主要从事地下工程围岩方面的研究工作

Stochastic method for predicting ground surface settlement and deformation induced by metro double tube tunneling

LIU Da-gang¹, TAO De-jing², WANG Ming-nian¹

1. School of Civil Engineering, Southwest Jiaotong University, Chengdu 610031, China; 2. The Second Railways Survey & Design Institute, Chengdu 610031, China

Received:2007-04-16 Online:2008-12-10 Published:2013-08-11

摘要/Abstract

摘要： 地铁施工引起地表沉降及变形的预测和控制是一个有待于深入研究的重要课题。地铁区间隧道大多为近距离的双孔平行隧道，两隧道开挖引起的地表沉降及变形往往相互叠加，导致沉降及变形预测更加困难。以随机介质理论为基础，对预测公式进行了改进，实现了双孔平行隧道施工引起的地表沉降、水平位移、水平变形、倾斜、曲率预测，研发了城市隧道开挖引起的地表沉降及变形预测系统。对多处双孔平行隧道工程进行了理论预测与验证，实测沉降证明了理论方法与预测系统的科学性和有效性。

关键词: 地铁, 双孔平行隧道, 地表沉降及变形, 随机介质理论法

Abstract: The prediction and control of the ground surface settlement and deformation are ones of the most crucial problems in all environmental damages induced by metro tunneling excavation. The metro tunnels are usually excavated and constructed as double tube parallel tunnels; and the space between the double tunnels is generally short distance. The ground surface settlement and deformation induced by two staged tunneling is usually overlapped and is also hard to predict consequently. Based on the stochastic medium theory, the formula for predicting is modified; it is reality to predict the ground surface settlement, lateral displacement, lateral deformation, inclination and curvature induced by double tube parallel tunneling excavation; a new software system is developed to predict ground surface settlement and deformation induced by urban tunnel excavation. Two cases study for the double tube parallel tunneling projects are carried out to verify the validity and reliability of the proposed theoretical approaches and software system.

Key words: metro, double tube parallel tunnel, ground surface settlement and deformation, stochastic medium theory

中图分类号:

U 451

刘大刚，陶德敬，王明年 . 地铁双隧道施工引起地表沉降及变形的随机预测方法[J]. , 2008, 29(12): 3422-3426.

LIU Da-gang , TAO De-jing , WANG Ming-nian . Stochastic method for predicting ground surface settlement and deformation induced by metro double tube tunneling[J]. , 2008, 29(12): 3422-3426.

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