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盾构下穿既有隧道实时监测及其风险控制研究
引用本文:梅文胜,陈雪丰,周小波,张广伟.盾构下穿既有隧道实时监测及其风险控制研究[J].武汉大学学报(信息科学版),2011(8):923-927.
作者姓名:梅文胜  陈雪丰  周小波  张广伟
作者单位:武汉大学测绘学院;精密工程与工业测量国家测绘局重点实验室;北京城建勘测设计研究院有限责任公司;
基金项目:国家自然科学基金资助项目(41071292); 精密工程与工业测量国家测绘局重点实验室开放研究基金资助项目(PF2009-12)
摘    要:阐述了测量机器人实时自动化监测系统的组成、结构及关键技术,利用该系统进行盾构下穿期间既有隧道的实时风险控制。结果表明,盾构下穿过程中所有风险控制值都在预警值之内,控制效果良好,但隧道断面结构存在显著拉伸与压缩变形,为保证隧道结构安全,给出了有益的风险控制建议。测量机器人实时监测系统满足盾构下穿既有隧道风险控制的要求,且具有获取结构变形信息全面、精度高、安装简便、可重复利用等优点。

关 键 词:盾构下穿  既有隧道  测量机器人  实时监测  风险控制

Real-time Deformation Monitoring and Risk Controlling During Shield Under-crossing Existing Tunnel
MEI Wensheng , CHEN Xuefeng, ZHOU Xiaobo ZHANG Guangwei.Real-time Deformation Monitoring and Risk Controlling During Shield Under-crossing Existing Tunnel[J].Geomatics and Information Science of Wuhan University,2011(8):923-927.
Authors:MEI Wensheng  CHEN Xuefeng  ZHOU Xiaobo ZHANG Guangwei
Institution:MEI Wensheng 1,2 CHEN Xuefeng1,2 ZHOU Xiaobo3 ZHANG Guangwei3 (1 School of Geodesy and Geomatics,Wuhan University,129 Luoyu Road,Wuhan 430079,China)(2 Key Laboratory of Precision Engineering & Industry Surveying of State Bureau of Surveying and Mapping,China)(3 Beijing Urban Construction Exploration & Surveying Design Research Institute Co,Ltd,6 Anhuili,Chaoyang District,Beijing 100101,China)
Abstract:During under-crossing shield,the real-time risk control of the existing tunnel has been done by using the real-time Georobot automatic deformation monitoring system,of which the component parts,structure and key techniques are expatiated.The results show that all of the risk control values are under their early warning value in the process,and the control effect is good.But some prominent compressive deformation and tensile deformation exist in the structure of the tunnel profile,so some beneficial suggesti...
Keywords:shield under-crossing  existing tunnel  Georobot  real time monitoring  risk control  
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