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武汉市随着高层建筑的发展,深基坑工程越来越多,开挖深度已由过去的5m发展到目前的17.4m,而武汉地区属长江和汉江的洪积阶地平原,土层堆积较厚(30～60m),砂层中富含与长江存水力联系的承压水,基岩为风化的泥质页岩、泥质粉砂岩,结构及性质复杂。高层建筑多在市区内改造老街兴建,周边建筑物密集,道路管线纵横交错,近年来,基坑
With the development of high-rise buildings in Wuhan, there are more and more deep foundation pit projects, and the excavation depth has been developed from the past 5m to the current 17.4m, while the Wuhan area is a proluvial terrace plain of the Yangtze and Han Rivers, and the accumulation of soil is relatively low. Thick (30 ~ 60m), the sand layer is rich in confined water associated with the water retention capacity of the Yangtze River, the bedrock is weathered muddy shale, muddy siltstone, and the structure and nature are complex. High-rise buildings are mostly built in the transformation of old streets in urban areas. The surrounding buildings are dense and the road pipelines criss-cross. In recent years, the foundation pits