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长江漫滩一级阶地强透水地层中明挖基坑施工是一项比较复杂困难的系统工程,由于其特殊的水文地质条件,发生工程事故的几率和风险因素较多,为了避免事故的发生,在施工前对整个工程进行风险分析并且制定相应的控制措施是非常必要的。以武汉地铁8号线三标段徐家棚站明挖基坑施工为背景,结合以往类似工程在施工过程中积累的经验,对徐家棚站深基坑工程各施工工序中主要的风险源整理分析,并推出针对性的预防控制措施,可为类似地质的基坑工程安全施工提供依据。
Due to its special hydrogeological conditions, the probability of occurrence of engineering accidents and the risk factors are many. In order to avoid accidents, the construction of open cut foundation pit in the permeable layer of the Yangtze River floodplain is a relatively complex and difficult system engineering. Before the construction of the entire project risk analysis and development of appropriate control measures is necessary. Based on the construction of the open pit excavation at the Xujiapeng Station of the third sub-section of Wuhan Metro Line 8 and the experience gained in the construction process of similar projects in the past, the main risk sources in the construction process of the deep excavation at Xujiapeng Station Finishing analysis and launching targeted prevention and control measures can provide basis for the safe construction of similar geological excavation projects.