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The impact of the physical model selection and rock mass stratification on the results of numerical calculations of the state of rock mass deformation around the roadways

机译:物理模型选择和岩体分层对巷道周围岩体变形状态数值计算结果的影响

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摘要

At present, the basic methods used for designing and evaluating the stability of mine workings are numerical models. The finite element method is the most popular method for engineering purposes. However successful calculations depend not only on the proper selection of geomechanical properties of rocks but mainly on the proper selection of a physical model describing the behavior of the rock mass and a selection of the correct failure criterion. The best way of verifying results of the calculations is to carry out investigation in the field, then.
机译:目前,用于设计和评估矿井工作稳定性的基本方法是数值模型。出于工程目的,有限元方法是最流行的方法。但是,成功的计算不仅取决于对岩石力学特性的正确选择,而且还取决于对描述岩体行为的物理模型的正确选择以及正确的破坏准则的选择。验证计算结果的最佳方法是在现场进行调查。

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