关键词: 堤防道路, 防洪, 不均匀沉降, 全要素设计, 江北快速路, 长江主轴右岸大道

Abstract: As a combination of levee and road, levee roads are featured with such special geographical location and changeable environmental factors as adjacent to the river on one side, and municipal buildings, flood control facilities, farmland, woodland and natural resource land on the other side. Research on levee road reconstruction technology, despite of its complexity, is of great practical significance for solving people’s livelihood issues such as flood protection and traffic. As road and levee belong to different disciplines, levee road are interdisciplinary, and there is currently little research on the technical requirements for levee road reconstruction. In line with the principle of strictly implementing flood protection standard, ensuring the safety of flooding, and exerting no effect on the original functions of levee, we designed four schemes of road reconstruction technology involving two working conditions (road at the top of the levee and at the foot), and two road-widening directions (toward the back of the river and toward the riverside). We examined the roadbed height, the reconstruction technology to control uneven settlement, and the structure combined with pressure immersion platform. We also proposed the concept of all-element design. Having been successfully applied to the Jiangbei expressway and the right bank avenue along the Yangtze River, the research achievements could be taken as reference for the design and reconstruction of similar levee roads.

Key words: levee road, flood protection, uneven settlement, all-element design, Jiangbei expressway, right bank avenue along the Yangtze River