地形条件和地质条件对选择第一期工程以及对编制开发河流的技经报告,有重大的影响,这一点,在以前已经叔述过了。在那时曾经指出,这些条件是在设计的所有初级阶段内选择坝址的决定性因素。因此在这里,我们只特别详细讨论一下地形条件和地质条件对於在已经选出的坝址上布置水力枢纽平面图的影响。 选出的坝址的地形可能是各式各样的。为了便于论述地形对布置枢纽的影响,我们有必要粗略地缓出 Topographical conditions and geological conditions have had a significant impact on the selection of the first phase of the project and on the technical and economic reports on the development of rivers. It has been said before. It was pointed out at that time that these conditions were the decisive factor in the choice of the dam site at all the primary stages of design. Therefore, here we discuss in detail only the effects of topographical and geological conditions on the layout of hydraulic hubs at selected dam sites. The topography of the selected dam site may be varied. In order to facilitate the discussion of the terrain impact on the layout of the hub, we need to be roughly out of time