兰州地铁开挖对临近地下管线的影响探讨  

Discussion of influence of excavation of Lanzhou subway on near underground pipeline

作　　者：郭斌 王沈力 张森安 

机构地区：[1]甘肃中建市政工程勘察设计研究院,甘肃兰州730000

出　　处：《山西建筑》2017年第10期161-163,共3页Shanxi Architecture

摘　　要：以兰州轨道交通1号线明挖法开挖段工程为例,利用FLAC3D有限差分软件,建立了三维地质模型,对某区间开挖过程中周边地下管线的应力应变进行了分析,有限差分法分析及实际监测数据表明,地铁开挖对地下管线的位移有显著影响,进而定性分析了管道变形规律。Taking the excavation engineering of Lanzhou Metro Line 1 as the example, three-dimensional geological model was build with the fi-nite difference software of FLAC30, stress and strain of the surrounding underground pipelines were comprehensively analyzed under the condi-tions of excavation. On the basis of finite difference analysis and actual monitoring data, it was found that subway excavation has a significant im- pact on the displacement of underground pipelines. At the same time, deformation law of underground pipelines was qualitatively analyzed.

关 键 词：地铁 地下管线 FLAC^3D 沉降量 

分 类 号：U231[交通运输工程—道路与铁道工程]