公路改扩建施工中新旧路基搭接质量控制要点

摘要

从测量放样、表土清除、软基处理、填筑新路基等方面,介绍了公路改扩建工程中新旧路基搭接的施工工艺流程,并阐述了施工质量控制要点,提出了新旧路基搭接施工中质量通病预防及管理措施,有助于延长公路的使用寿命.%From the measurement sampling,clearance of surface soil,soft foundation treatment,and grouting of new roadbed,the paper intro-duces the construction craft procedure for the new and old roadbed in the road expansion and reconstruction projects,illustrates the controlling points for the construction quality and points out the prevention of common diseases and management measures in the roadbed erection construc-tion,so as to prolong the lifespan of roads.