Based on the project, which is a residence district construction located at Yibin South Station along the Nei-Kun Railway, the paper analyses the method, construction technical and the detection of the grid pile for foundation reinforcement.

• 摘要根据内昆线宜宾南站生活小区住宅工程地基加固工程实例，论述了砂石桩法地基加固处理的施工方法、成桩工艺及检测方法。