浅谈高速公路台背回填施工质量控制

Construction quality control of back filling behind abutment in express highway

高速公路结构物台背回填是高速公路建设的重要组成部分。结合国道主干线GZ陕西境内西户段结构物台背的回填过程 ,阐述了回填质量所具有的重要意义。分析探讨了台背回填产生病害的各种原因 ,总结出确保台背质量 ,预防桥头跳车的几项措施。

The back filling behind abutment in express highway is main constituent of highway construction. Combined with the back filling in back of abutment in main line of national road the significance of back filing quality is elaborated. The several reasons of faults in back fill are analyzed and discussed. At last some measures are summarized to ensure the quality of the behind abutment and prevent bump in transition section.