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本文根据三十多年来整治长江河道的经验,论证了长江由于水深流急、河道演变异常复杂和剧烈、整治工程量浩大等特点,整治长江必须根据河势变化规律,采取工程措施控制有利河势,以便随着经济建设的发展,进一步实施河道整治工程。文中论述了在大江大河上实施河势控制工程的必要性,以及天然河道和修建水利枢纽后河道的河势控制工程布置,最后提出了河势控制规划的一般原则。
Based on the experiences of rehabilitating the Yangtze River for more than thirty years, it is proved that the Yangtze River must take measures to control the Lihe River according to the variation of the river regime, because of the deep and drastic current, the complex and dramatic evolution of the river, and the huge amount of remediation works. Potential, so that with the economic development, further implementation of river regulation works. The article discusses the necessity of implementing river control project on major rivers and the layout of river control projects of natural rivers and watercourses after the construction of water control projects. Finally, the general principles of river control planning are put forward.