公路桥涵台背回填设计与施工的探讨

Discussion on the design of highway-bridge abutment backfilling and its construction

通过分析桥涵台背回填处沉陷及跳车的原因，对台背回填的设计与施工进行了探讨，提出了台背回填刚柔过渡的设计观点，阐明了台背回填材料的选择原则和施工质量的控制措施。

Through analyzing the causes of collapse and bumping at the place of bridge abutment backfilling, the author discusses the design and construction of abutment backfilling, proppses design concept as rigid-flexibility transition, and illustrates the selection principles of backfilling materials and the measures for construction quality control.