摘要
The authors analyze the cause of failure of foundation pit, introduce theemergency reinforce treatment of foundation pit, meanwhile reveal the design and construction process of deep foundation pit should be strictly in accordance with procedures, pay attention to security instead of seeking thrift one-sidedly. Construction of foundation and basement is chosen in the dry season in order to reduce the exposure time of excavation. The cause of instability and harm about foundation pit are analyzed in order to deal with the failed foundation pit. Aiming at many factors including geological conditions about sidewall of foundation pit, surrounding environment of foundation pit and construction condition in site, a reasonable scheme of emergency reinforce is made.