洞庭湖区几种特殊滩险航道的整治

Regulation of Several Special Rapids for the Waterway in the Area of Dongting Lake

本文针对洞庭湖区航道整治工程,介绍四种特殊滩险(河床跌坎,堤垸弯道,河口拦门沙和湖泊汊道)的航道整治成果,分析滩险形成原因和河床演变,总结了整治理论和方法。

In the light of regulation works for the waterways in the ares of Dongting Lake, this paper introduces some regulation experiences and results for the four sorts of special rapids, including bed drop-off, swift bend(included by dikes), estuarine bar and lake bifurcation, and then makes detailed analysis on the sourses of rapids-forming and bed process, so as to summarize the regulation theory and methods.