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LEAP-GWU-2015 experiment specifications, results, and comparisons

机译：LEAP-GWU-2015实验规格，结果与比较

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LEAP (Liquefaction Experiments and Analysis Projects) is an effort to formalize the process and provide data needed for validation of numerical models designed to predict liquefaction phenomena. For LEAP-GWU-2015, one project within LEAP, an experiment was repeated at 6 centrifuge facilities (Cambridge University, Kyoto University, University of California Davis, National Central University, Rensselaer Polytechnic Institute, and Zhejiang University) and the results were shared and archived for the purposes of validation of numerical models. This paper describes the specifications for the LEAP-GWU-2015 experiment and compares the experimental results from the six facilities. The specified experiment was for uniform medium dense sand with a 5 degree slope in a rigid container subject to a ramped, 1Hz sine wave base motion. The experiment was meant to be relatively simple to enable different facilities to produce comparable experiments. Although it cannot be claimed that identical experiments were precisely replicated on different centrifuges, it is argued that the results are similar enough that each experiment lends veracity to the set of results. A benefit of variability between experiments is that the variety enables a more general validation. Important lessons with regard to specification of future experiments for validation of numerical models are summarized. LEAP-GWU-2015 has demonstrated an approach that is a useful reference for future validation studies.
机译：LEAP（液化实验和分析项目）是为了使过程正式化并提供验证设计用于预测液化现象的数值模型所需的数据。对于LEAP-GWU-2015（LEAP的一个项目），在6个离心机设施（剑桥大学，京都大学，加利福尼亚大学戴维斯分校，国立中央大学，伦斯勒理工学院和浙江大学）重复进行了实验，并与为验证数字模型而存档。本文介绍了LEAP-GWU-2015实验的规范，并比较了这六家工厂的实验结果。规定的实验是在刚性容器中以5度斜率均匀中等密度的砂子进行倾斜的1Hz正弦波基运动。实验的目的是相对简单，以使不同的设备能够进行可比较的实验。尽管不能说完全相同的实验是在不同的离心机上精确复制的，但有人认为结果足够相似，以至于每个实验都对结果集具有准确性。实验之间可变性的好处是，多样性使得验证更为通用。总结了有关未来实验规范数值模型验证的重要经验教训。 LEAP-GWU-2015展示了一种方法，可为将来的验证研究提供有用的参考。

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