采用三维地质力学模型试验技术,研究某双曲拱坝坝基内的软弱夹层和裂隙对坝体整体稳定性的影响,以及在超载情况下的坝体的破坏形式和破坏发展过程,从而对大坝的安全性作出了科学评价。%The paper adopts the three-dimension geological dynamic model experiment technique, researches the influence of the soft layer and cracks for some double-curve arch dam foundation on the stability of the whole dam, as well as the damaging forms and its development process under the overloading circumstance, so as to provide the scientific evaluation for the safety of the dam.
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