路桥沉降段路基路面施工是所有交通工程质量的关键。优质的施工技术可提高道路沉降路段的行车舒适度,不会出现跳车问题。我国的道路桥梁沉降段路基的施工技术尚有很多不足之处。文章主要描述道路桥梁路面沉降的危害,说明了沉降段的结构设计,分析了沉降段路基路面的施工技术。 Subgrade construction of road and bridge subsidence section is the key to all traffic engineering quality. High-quality construction technology can improve traffic comfort road subsidence, there will be no problem jumping. There are still many shortcomings in the construction technology of roadbed subsidence of road and bridge in our country. The paper mainly describes the hazards of road and bridge pavement settlement, explains the structural design of the settlement section and analyzes the construction technology of subgrade and subgrade in the settlement section.