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Development of a simplified model for pore water pressure build-up induced by cyclic loading

机译:循环载荷诱导孔隙水压力累积简化模型的研制

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摘要

In this paper the formulation of a simplified model for predicting pore water pressure build-up under seismic loading is updated and applied to different soils. The model is directly based on the results of cyclic laboratory tests and it is based on the damage parameter concept, avoiding any arbitrary equivalence criterion necessary to compare the seismic demand to the cyclic strength of liquefiable soils. The model is suitable to be implemented into non-linear coupled seismic response analyses since it operates in the time domain. The analytical formulation is fully described and the calibration and the physical meaning of the model parameters are analysed in detail. Simple applications show the practical usefulness of the model with respect to other literature approaches.
机译:在本文中,更新了用于预测孔隙水压力堆积的简化模型的制剂进行了更新,并施加到不同的土壤中。 该模型直接基于循环实验室测试的结果,基于损伤参数概念,避免将地震需求与液化土壤循环强度进行比较所需的任何任意等效标准。 该模型适合于实现成非线性耦合地震响应分析,因为它在时域中运行。 分析配方完全描述,详细分析了模型参数的校准和物理含义。 简单的应用表明了模型关于其他文献方法的实际实用性。

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