The paper sums up the advantages of the large-diameter ring shape support method, analyzes the allocation form of the large-diameter ring support by applying the method in factual projects, indicates the foundation pit construction and the supervision, and proves the feasibility of the large-diameter ring shape support method in soft soil areas of Shanghai.%简要归纳了大直径圆环支撑方法的优点，通过实际工程的运用，分析了大直径圆环支撑的布置形式，并论述了基坑施工及监测情况，进而验证了大直径圆环支撑方法在上海软土地区应用的可行性。
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