地铁开挖引起地表沉陷过程的数值模拟  

NUMERICAL SIMULATION ON THE PROGRESSIVE PROCESSES OF THE EARTH SURFACE SUBSIDENCE CAUSED BY THE EXCAVATION OF SUBWAY

作　　者：杨天鸿[1] 梁正召[1] 刘红元[1] 唐春安[1] 陆培炎 

机构地区：[1]东北大学岩石破裂与失稳研究中心,沈阳110006 [2]广东陆仕岩土工程有限公司,广州510660

出　　处：《岩石力学与工程学报》2002年第11期1620-1626,共7页Chinese Journal of Rock Mechanics and Engineering

基　　金：国家自然科学基金资助项目(59525408)。

摘　　要：本文应用自行开发的岩石破坏过程分析软件F-RFPA2D对广州地铁二号线隧道施工引起海珠广场地表沉陷事故进行了数值模拟分析,再现了岩体塌陷破坏的全过程,阐明了沉陷事故的原因。The accident of surface subsidence at Haizhu Square,Guangzhou caused by the construction of Guangzhou Subway No. 2 tunnel is analyzed by numerical simulation code,Flow-Rock Failure Process Analysis (F-RFPA2D),which is developed by the authers. The evolution process of rockmass failure and falling are obtained by the numerical simulation. The numerical simulation is helpful to explain the cause of the surface subsidence accident and find the correct measure to control the further failure and falling.

关 键 词：隧道 地表沉陷 数值模拟 

分 类 号：U452[建筑科学—桥梁与隧道工程]