摘要
三峡水库蓄水以来,长江干线航道条件获得明显改善,但同时也产生了新的航道泥沙问题。依托系列国家重点研究项目及航道建设工程开展大量研究,初步揭示了新水沙条件下水沙运动机理,提出了航道泥沙模拟技术及适应不同河段泥沙特征的航道整治技术,发明了系列具有不同功能的航道整治建筑物新结构,进一步丰富了长江航道整治技术研究成果,有效服务了长江航道大规模治理工程建设。随着对长江航道泥沙问题认识的持续深入以及治理理念的逐步转变,航道生态、系统治理技术将逐步完善,并持续推动长江大保护发展和"黄金水道"功能提升。
Since the impoundment of Three Gorges Reservoir,the navigation condition of the Changjiang waterway has been improved obviously. In the same time,some new sediment problems also occur. Based on a series of national key research programs and waterway construction projects,some studies have been carried out and the mechanism of sediment movement under new flow and sediment conditions is preliminarily revealed and some technologies of waterway sediment simulation and waterway regulation adapted to the sediment characteristics of different reaches are put forward,as well as a series of new waterway regulation structures with various functions are suggested,which enriched the regulation technology and can effectively serve the large-scale construction of Changjiang waterway project. With on-going study on the sediment and changing of regulation idea,ecological and systematic treatment technology of Changjiang waterway will be gradually improved. The development of Changjiang great protection will be promoted and the function of the " golden waterway" will be improved.
引文
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