多种监测方法在深基坑开挖工程中的综合运用  

Comprehensive Application of Monitoring Methods in Deep Excavation

作　　者：曾瑞 雷健 

机构地区：[1]湖北省神龙地质工程勘察院,湖北武汉430056

出　　处：《城市勘测》2013年第4期167-172,共6页Urban Geotechnical Investigation & Surveying

摘　　要：由于土力学的模糊性及基坑开挖和支护技术的复杂性,理论计算成果往往与施工期间实际变形情况有一定的出入,因此会造成许多预料不到的困难,引发各种不安全因素。通过对基坑的监测,根据测得的资料进行综合分析,来评定基坑开挖过程中各部分的变形情况,进而评价基坑、支护结构、附近建筑物和地下管线的安全稳定性,预测未来发展趋势,出现险情时据此指导对施工方案的调整修改,以优化设计和确保基坑及周边环境的安全。Due to the ambiguity of soil mechanics and complexity of foundation pit excavation and supporting technology,the results of theoretical calculations are often inconsistent with the actual deformation during construction,so it will cause many unexpected difficulties and lead to a variety of unsafe factors.In this paper,the deformation of different parts in the excavation process have been evaluated through comprehensive analysis based on measured data from pit monitoring,and the safety and stability of the foundation pit,supporting structure,nearby buildings and underground pipelines can be thus evaluated to predict future trends and guide the adjustment of the construction program when in hazards to optimize the design and to ensure the safety of the pit and the surrounding environment.

关 键 词：深基坑开挖 现场监测 土力学 

分 类 号：TU433[建筑科学—岩土工程]