中文摘要：

以蒙自铭诚澜岸住宅小区为例,根据蒙自膨胀土地区特有的土危害情况以及周边工程地质与水文地质情况,对铭诚澜岸住宅小区的基坑开挖进行了支护方案设计,并分析了基坑开挖过程中险情发生的原因,提出了合理的处理方案。研究结果对膨胀土地区工程建设中基坑开挖阶段的支护控制方案设计及突发险情处理有借鉴意义。

英文摘要：

Based on Ming Cheng LAN residence community as an example, according to the Meng Zi re gion＇s soil damage and computer-aided engineering geology and hydrogeology, residential design of Foundation pit excavation support scheme is made. And causes of the dangerous situation in Foundation pit excavation are analyzed, reasonable proposals are put forward. The results are good for danger control and emergency programmes.