摘要
一般工程对桩—网复合地基都是对未铺网的复合地基做检测试，而加网后作为整体的检测和试验确很少，因此土工格栅在复合地基中对桩与土的作用机制研究较少。结合某 500kV 新建变电站工程地质特点，对桩网复合地基在沿海滩涂地区施工过程中的土工格栅选型、加筋垫层回填夯实系数控制措施等施工工艺难点进行了集中攻关，并结合监测数据验证桩网复合地基的沉降处理效果[1
Abstract
Generally, the pile-net composite foundation is tested on thecomposite foundation without net, but there are few tests and tests asa whole after adding net, so there is little research on the mechanismof pile-soil interaction of Geogrid in composite foundation.Combined with the engineering geological characteristics of a 500kV newly-built substation, this paper focuses on the difficulties inthe construction process of pile-net composite foundation in coastalbeach area, such as the selection of geogrid, the control measures ofcompaction coefficient of reinforced cushion backfilling, and so on.The settlement treatment effect of pile-net composite foundation isverified by monitoring data [1-
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