结构物台背回填沉降原因及预防措施分析

鉴于结构物台背回填沉降对公路质量和安全的严重影响，对结构物台背填土下沉原因进行分析，探讨了切实可行的处理措施，提出关键是施工单位应提高质量意识，强化施工质量管理，在施工中严格遵守规范、设计和有关文件，在回填施工中控制好台背回填的每道工序和质量。

Cause analysis and Preventive Measures of Back Filling Behind Abutment

In view of the serious affection of settlement caused by back filling behind abutment on road quality and safety, the paper analyzes the settlement reason of back filling behind abutment and discusses the practical measures to deal with it. It puts forward that the key is to raise the quality awareness of construction unit, strengthen the construction quality management, strictly observe with the standards, design and related documents in construction, and control each process and quality well of the back filling behind abutment during backfill construction.