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大洪河土坝自建成至今已运行40余年,积累了宝贵的原型观测资料。本文通过对其大量原观变位资料的统计分析及不同埋深测点测值的对比分析,探讨了大洪河土坝的变形规律。同时,根据建立的数模,进行了逐步统计模拟,深入分析了各因子对大坝变位的影响程度,从时空和定性定量两个方面论证了大洪河土坝变位的收敛性。
Since its establishment, the Dahonghe Earth Dam has been in operation for more than 40 years and has accumulated valuable prototype observation data. In this paper, through the statistical analysis of a large number of original deformation data and the comparative analysis of measured points measured at different burial depths, the deformation law of Dadi dam is discussed. At the same time, according to the established numerical model, a step-by-step statistical simulation is carried out, and the influence of each factor on the displacement of the dam is deeply analyzed. The convergence of the Dahonghe earth dam displacement is demonstrated from two aspects of space-time and qualitative analysis.