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Comments on crushable sand stiffness relevant to soil structure interaction issues

机译：关于与土壤结构相互作用问题有关的可碎砂刚度的评论

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摘要

The lecture will cover mainly the importance of stiffness parameters of crushable type of foundation sands in the perspective of the state of the art of soil testing and its new developments. Any soil structure interaction model (SSI) can be deployed successfully or can fail depending on the reliability of the estimations of the soil structure interaction stiffness parameters. The stiffness evaluation of the engineered materials' structural elements and their combined role in the structure itself, commonly can be evaluated rather easily. However, the key issue and the much more problematic interaction parameters in any successful SSI analysis are linked to the soil stiffness, at the relevant strain levels, of the specific interacting soil layers under the corresponding structural loading conditions.
机译：讲座将主要从土壤测试技术及其最新发展的角度探讨可压碎型砂的刚度参数的重要性。取决于土壤结构相互作用刚度参数估计值的可靠性，任何土壤结构相互作用模型（SSI）均可成功部署或失败。通常，可以很容易地评估工程材料的结构元件的刚度评估及其在结构本身中的组合作用。然而，在任何成功的SSI分析中，关键问题和相互作用参数中存在更多问题的是在相应的结构载荷条件下，在相关应变水平下，特定相互作用土层的土壤刚度。

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