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导流方案的选择对工程整体方案的实施起到关键性作用。在分析该季节性河流水流动态的基础上,对智利拉哈河Ⅰ级电站工程选取特殊的导流方案。详细阐述了施工导流工程总体设计方案,将导流分为旱季1、雨季1、旱季2、雨季2、旱季3共5个阶段来实施,以解决工程施工中特有的技术难题。同时从建设程序、水力学和土建设计等方面论述了该导流方案的积极意义。
The choice of diversion scheme plays a key role in the implementation of the overall project. Based on the analysis of the seasonal river flow dynamics, a special diversion scheme was selected for the first-stage power plant in Lahahe I, Chile. The overall design scheme of construction diversion project is elaborated in detail. The diversion is divided into five phases: dry season 1, rainy season 1, dry season 2, rainy season 2 and dry season 3, in order to solve the technical problems unique to the construction. At the same time, the positive significance of the diversion scheme is discussed from the aspects of construction procedure, hydraulics and civil engineering design.