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在重力坝抗滑稳定分析中,一般都着重于验算最大坝高坝段在正常和非常情况下的抗滑稳定性,以确定大坝抗滑稳定的安危程度。但是,当坝下游有水且属非变幅水位的情况下,坝体抗滑稳定最危险滑动坝段不一定出现在最大坝高处(特别是无泥沙压力或泥沙压力较小和坝下游水位较高的情况下更是如此),而分别位于最大坝高处坝段的两侧,该两个最危险滑动坝段坝基高程相同(见图1,2-2坝段),同时,该坝段抗滑稳
In the stability analysis of gravity dam, the stability of anti-sliding of the dam with the highest dam is generally checked in order to determine the safety of the anti-slide stability of the dam. However, when there is water in the downstream of the dam and the water level is non-fluctuating, the most dangerous sliding dam section of the dam should not appear at the maximum height of the dam (especially no dam pressure or sediment pressure and dam Especially in the case of higher water levels downstream) and at the two sides of the dam section at the site of the maximum dam height, the dam base level of the two most dangerous slide sections is the same (see Figure 1 and Section 2-2) The dam is stable against sliding