长江宜宾—重庆航道浅滩整治措施分析

2003年以来长江宜宾—重庆段航道陆续按Ⅲ级航道标准进行了系统建设。建设过程中结合具体河势及碍航情况采取了单纯疏浚,顺坝与潜坝结合,疏浚配合丁坝、丁顺坝,疏浚、筑坝、护底配合等浅滩治理措施。结合实例对浅滩整治措施和效果进行分析。

Regulation measures analysis of Yangtze River shoal from Yibin to Chongqing

Yibin to Chongqing section of the Yangtze River waterway was constructed systematically since 2003 according to the standard of grade III channel. According to the river regime and navigation-obstruction situations, we took regulation measures including simple dredging, longitudinal dike with ground sills, dredging,spur dike with spur and longitudinal dike, dredging, dam construction with river bottom protection, as well as shallow governance, etc. in the process of the construction. The regulation measures and effect for the shoal were analyzed based on the engineering example.