The paper introduced the design and construction of sandpile and reinforced gravel cushion in the application of highway project,and gave relative parameters of construction technology.

• 详细介绍了高速公路项目中运用的砂桩与加筋砂砾垫层(土工格栅)复合地基的设计与施工,通过实验、检测,获得了相关施工工艺参数,对推广该项工艺和治理湿软结构物地基具有现实意义。