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Stability of tunnel face usin gcoupled DSC and TFA models

机译:隧道稳定性脸部使用Gcoupled DSC和TFA模型

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The DSC model proposed by Prof. Desai from Tucson, AZ SUA, consists of two stages of material properties due to the different values of external load. The first one covers plastic behavior while in the second one the localized damage in involved. This material behavior is detrmined from laboratory experiments. Since in natural conditions a slight deviation may be expected, the improvement of this behavior can be solved by additional eigenparameters stated from teh TFA (transformation field analysis. The TFA can be considered in both cases of the DSC, i.e. the localized damaged state may also the be involved.
机译:由索辛,苏安图森的Desai教授提出的DSC模型包括由于外部负载的不同值,由两个材料特性的阶段组成。第一个涵盖塑料行为,而在第二个中涉及本地化损坏。这种物质行为从实验室实验中滴下。由于在自然条件下可以预期轻微的偏差,因此可以通过TFA(转换场分析中所述的附加特征分数来解决这种行为的改善(转换场分析。在DSC的两种情况下,TFA也可以考虑,即局部损坏状态也可以参与其中。

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