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结合小浪底安全监控软件系统的开发实际,对其中分析模型的有关技术问题进行初步研讨。该工程所建立的安全监控系统中配备有统计分析、一维分布、时序分析、混合性模型等模型。工程应用情况表明,各类模型建模过程中,都需要考虑解决时空效应及其耦合、库水位和气温因子的替代处理等基本技术问题。混合性模型建立中的有限元计算以二维弹塑性和粘弹性两种模式为主,对大型地下洞室时空效应等关键技术问题提出了相应的处理模式,可以直接应用于安全监测工程实际。
Combined with the actual development of Xiaolangdi security monitoring software system, the technical problems of the analysis model are discussed preliminarily. The safety monitoring system established by the project is equipped with statistical analysis, one-dimensional distribution, timing analysis, mixed model and other models. Engineering application shows that all kinds of model modeling process need to consider the solution of space-time effects and its coupling, reservoir water level and temperature factor alternative treatment and other basic technical issues. The two-dimensional elasto-plasticity and viscoelasticity are two main modes of finite element calculation in the establishment of the mixed model. The corresponding treatment modes are proposed for the key technical issues such as space-time effect of large-scale underground caverns, which can be directly applied to the actual safety monitoring project.