Cws ' s deformation inner force regularities of load share and earth pressure were get . the paper provides approaches to calculate and analyze bracing of foundation pit in complex stress . conclusions are to help engineers further understand performance of structure of circular bracing of foundation pit and cws 本文对复杂受力状态下基坑维护结构及工作井结构的计算分析提供了一条途径，文中的一些结论对提高人们对圆形基坑围护结构与圆形工作井结构的受力性状的认识会有一定的帮助。
