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首页> 外文期刊>Soil Dynamics and Earthquake Engineering >Prediction of LEAP centrifuge test results using a pressure-dependent bounding surface constitutive model
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Prediction of LEAP centrifuge test results using a pressure-dependent bounding surface constitutive model

机译:使用压力依赖的边界表面本构模型预测LEAP离心机的测试结果

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摘要

In accordance with the “Liquefaction Experiments and Analysis Projects (LEAP )” guidelines, class-A, B and C predictions are performed for the response of centrifuge tests on a sloped configuration of Ottawa-F65 soil in a rigid container. The objective of this paper is to discuss important aspects on the calibration process of a pressure-dependent bounding surface constitutive model for the simulation of centrifuge experiments. The constitutive model used in this study is based on the theory of Critical State Soil Mechanics that has shown to be suitable to represent the behavior of cohesionless soils. Results of class-A predictions match experiment data reasonably well. An attempt is made to find a single set of material parameters to be used for class-B and class-C prediction of all six centrifuge tests.
机译:根据“液化实验和分析项目(LEAP)”指南,对在刚性容器中的Ottawa-F65土的倾斜构造下的离心试验响应进行了A,B和C级预测。本文的目的是讨论有关离心实验模拟的压力相关边界表面本构模型的校准过程中的重要方面。本研究中使用的本构模型基于“临界状态土壤力学”理论,该理论已证明适合表示无粘性土壤的行为。 A级预测的结果与实验数据相当吻合。试图找到一组材料参数,用于所有六个离心机测试的B级和C级预测。

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