以杭瑞高速公路毕节至都格(黔滇界)段工程为依托,通过碎石桩与软土构成的复合地基承载力PLT法,得出力与位移数据参数,分析该复合地基承载能力及变形模量,确定复合地基承载能力是否满足设计规范要求,试验结果验证该区域内复合地基承载力满足设计规范要求,该试验对该类地基规范修订、设计和施工具有重要参考意义。 Based on the project of Bijie to Duge (Qian-Dian sector) of Hangzhou-Rui Expressway, the PLT method of bearing capacity of composite foundation composed of gravel piles and soft soil was used to derive the parameters of force and displacement data. The bearing capacity and deformation of the composite foundation Modulus to determine whether the bearing capacity of composite foundations meets the requirements of design specifications. The test results verify that the bearing capacity of composite foundations in this area meets the requirements of design codes. This test is of great significance to the revision, design and construction of such foundations.