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随着科技与经济的不断发展,地下空间开发也不断加速,地铁车站越来越多,地铁车站深基坑工程也逐渐增加。地铁车站深基坑工程具有自身的独特性,以及建设环境的不确定性,深基坑工程潜藏着一定的风险。首先分析了深基坑支护结构的现状,然后介绍了钢管内撑体系研究的现状,最后给出了地铁车站深基坑钢管内支撑体系工作性能的分析,主要从钢管内支撑在施工中受温度影响及其安装和拆卸三个方面着手分析。
With the continuous development of technology and economy, the development of underground space is also accelerating. More and more subway stations are being built, and the deep foundation pit project at metro stations is also gradually increasing. The deep foundation pit project of metro station has its own uniqueness and the uncertainty of the construction environment. The deep foundation pit project has some potential risks. First of all, the status quo of deep foundation pit supporting structure is analyzed. Then, the status quo of research on internal supporting system of steel tube is introduced. Finally, the working performance of the inner support system for deep foundation pit of subway station is analyzed. Temperature influence and its installation and demolition of three aspects to analyze.