Taking a town sewage treatment and reuse engineering in Shanxi southern as an example,according to the engineering geological con-dition,this paper analyzed the requirements and construction technology of gravel pile treatment of liquefied foundation,and elaborated the pile foundation inspection measures,pointed out that using vibrating sunken tube bored pile gravel made liquefied foundation treatment was an effec-tive method to eliminate all engineering geology liquefied foundation.%以山西南部某城镇污水处理及回用工程为例，根据工程的地质情况，分析了碎石桩处理液化地基的要求及施工技术，并对桩基检测措施进行了阐述，指出采用振动沉管挤密灌注碎石桩进行液化地基处理是全部消除工程地质液化地基的有效方法。
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