某深厚淤泥质粘土基坑失稳后的处理设计

Treatment Design for a Failed Foundation Pit in Thick Mucky Clay

本文分析了武汉市某工程深厚淤泥质粘土基坑边坡失稳的原因。根据该基坑的特点，对后处理设计提出了基坑周边维护与基坑内淤泥质粘土加固相结合的新的设计思想。基坑开挖监测结果表明，后处理设计是有效的。新的设计思想可作为同类具有深厚淤泥质粘土基坑设计的参考。

In this paper,causes of failure of a foundation pit slope in thick mucky clay in Wuhan are analyzed. According to the characteristics of the pit,a new consideration which takes the interest of post treatment of slope stability and of mucky clay reinforcement has been proposed. It is verified by monitoring data that the treatment is effective.