公路桥涵台背回填质量控制及问题处治

随着国家交通基础设施的日益发展,桥涵施工技术越来越成熟。公路桥涵台背回填作为路桥施工中的一个重点和难点,其质量的好坏极大影响公路通车后的平整度及使用舒适度。如施工工艺及相关措施控制不好,此区域极易产生沉降、不平整、跳车等质量隐患。结合多年来路桥施工的实践经验,对桥涵台背回填质量隐患成因进行分析,对质量预防措施和质量问题处治进行总结,为同行施工提供借鉴。

THE QUALITY CONTROL AND PROBLEM TREATMENTS OF HIGHWAY BRIDGE AND CULVERT ABUTENT BACKFILLING

With the development of the national transport infrastructure,the construction technology of highway bridge and culvert becomes more and more mature. As a focus and difficulty,highway bridge and culvert abutment backfilling plays a great significance to the construction quality,its quality will greatly influence the traffic smoothness and comfort. If construction technology and relevant measures are not well controlled,it will cause some quality problems,such as settlement,uneven,etc. Combining with years of practical experience in road and bridge construction,it was analyzed the causes of quality problems and summarized treatments of related quality issues and preventive measures for bridge and culvert abutment backfilling,providing reference for the peer.