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在编制三峡水利枢纽初步设计要点报告阶段,为了选择坝区坝段,进行了大量的勘测设计研究工作。通过大量的地质勘探工作,已经可以得出结论,在地质条件方面,三斗坪坝区远胜于南津关坝区。本阶段,在二个坝区的10个坝段上,作了大量的水工布置和施工比较方案。本文拟对这些大量的成果作一初步分析,仅仅说明地形条件对三峡水利枢纽的水工布置及施工导流条件的影响,说明从地形条件方面看那些坝段是比较有利的。
In the preparation of the preliminary design of the Three Gorges Project Key Points report stage, in order to select the dam section, conducted a large number of survey and design work. Through a large number of geological exploration work, it can be concluded that in terms of geological conditions, Sandoupingba District is far superior to the Nanjinguan Dam area. This stage, in the two dam area 10 dam, made a lot of hydraulic layout and construction of the program. This paper intends to make a preliminary analysis of these large quantities of achievements. It only illustrates the impact of topography on the hydraulic layout and construction diversion conditions of the Three Gorges Dam, which shows that it is more advantageous to see those dam sections in terms of topographic conditions.