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近年来我国随着经济和城市建设的迅速发展,特别是我国的大中型城市,高层和超高层建筑发展迅速。与此同时,地下工程愈来愈多。深基坑支护的设计、施工监测技术上近10多年来在我国逐渐涉及的技术难题。深基坑的护壁,不仅要求保证基坑内正常作业安全,而且要防止基坑外土体移动,保证基坑附近建筑物、道路、管线的正常运行。本文根据深基坑支护施工中遇到的一些问题,分析了其原因,并着重对深基坑支护设计和施工提出了几点体会和建议,以供供参考。
In recent years, with the rapid development of economy and urban construction in our country, especially in large and medium-sized cities in our country, the high-rise and super-high-rise buildings have developed rapidly. At the same time, underground engineering more and more. Deep foundation pit support design, construction monitoring technology in the past 10 years in China gradually involved in the technical problems. The retaining wall of the deep foundation pit not only ensures normal operation safety inside the foundation pit, but also prevents the soil from moving outside the foundation pit to ensure the normal operation of buildings, roads and pipelines near the foundation pit. Based on some problems encountered in the construction of deep foundation pit support, this paper analyzes the reasons, and puts forward some experiences and suggestions on the design and construction of deep foundation pit support for reference.