成都地铁盾构隧道地表沉降分析  

Analysis on Metro Ground Settlement Caused by Shield Tunneling in Chengdu City

作　　者：李博[1] 苏华友[1] 赵旭伟[2] 

机构地区：[1]西南科技大学环境与资源学院,绵阳硕士研究生621010 [2]吉林建筑工程学院交通科学与工程学院,长春130021

出　　处：《城市轨道交通研究》2010年第4期64-66,共3页Urban Mass Transit

摘　　要：结合成都地铁某区间盾构隧道施工情况,根据实测的地表沉降数据,分析了盾构推进时对地表的横向沉降影响。通过实测数据得出Peck法计算参数,用实测值来验证Peck曲线预测沉降的吻合程度。分析表明:当沉降槽宽度系数k在0.13～0.31之间时,可以较好地反映出横向沉降规律。The affection of ground settlement caused by shield advancement is analyzed according to the measured surface settlement data from a section of metro construction in Chengdu City.The Peck method parameters are calculated through the measured data,and the Peck curve is verified by the consistent extent of the settlement prediction together with the measured values.This analysis shows that the rules of transverse ground settlement can be preferably reflected when the value of k is between 0.13~0.31,and the result can also assist the construction of Chengdu Metro.

关 键 词：盾构隧道 施工参数 地表沉降 沉降槽 

分 类 号：U455.43[建筑科学—桥梁与隧道工程] TU433[交通运输工程—道路与铁道工程]