结合某高速公路中使用中粗砂进行构造物台背回填施工的成功实践,详细介绍了用中粗砂回填构造物台背的施工工艺和质量控制以及其采用水密法和振捣法相结合的密实方法,对今后同类施工具有指导意义。%Combining with successful abutment backfilling practice of mid-course sand structure of one highway,the paper introduces construction technology and quality control of mid-course sand backfilling structure abutment and compacting method of combining water-compacting method with vibrating method,which has certain guiding meaning for similar construction in future.
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