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本文主要根据长江科学院对葛洲坝、四川葫芦口、广东长潭、四川彭水等工程的地基抗滑稳定问题所作结构模型试验的成果进行了分析探讨。这些工程的工程地质情况都比较复杂,地基中存在有断层、裂隙、软弱夹层和泥化夹层。控制各地基稳定的夹层,其产状各不相同、其力学特性各异。因此各个地基的破坏情况和抗滑安全系数也不相同。共性存在于个性之中,本文综合研究了上述各种试验结果,并得出了相应的结论。文中对相应的试验技术也扼要地作了论述。
In this paper, the results of the structural model tests conducted by the Yangtze River Scientific Research Institute on the stability of the foundation against sliding of the Gezhouba Dam, Hulukou in Sichuan Province, Guangdong’s Changtan and Pengshui in Sichuan Province are analyzed. The engineering geological conditions of these projects are quite complex. There are faults, fractures, weak intercalations and mud intercalations in the foundation. Control of the stability of the mezzanine base, its production varies, its mechanical properties vary. Therefore, the damage of each foundation and anti-slide safety factor is not the same. Commonness exists in the personality, the paper comprehensively studied the above various test results, and reached the corresponding conclusion. The article also briefly discusses the corresponding experimental techniques.