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首页> 外文期刊>Soil Dynamics and Earthquake Engineering >Laboratory tests on cyclic undrained behavior of loose sand with cohesionless silt and its application to assessment of seismic performance of subsoil
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Laboratory tests on cyclic undrained behavior of loose sand with cohesionless silt and its application to assessment of seismic performance of subsoil

机译：无粘性淤泥松散砂土的循环不排水行为室内试验及其在评估地基抗震性能中的应用

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Geotechnical earthquake engineering in the recent times has been paying special attention to themes such as liquefaction of sand with cohesionless fines, performance-based design, and seismic mitigation measures for housing areas. Because recent earthquakes in Japan and New Zealand caused many liquefaction problems in residential zones, the above-mentioned issues have become even more important than before. The present study conducted laboratory tests on sand with cohesionless fines in order to show how the seismic performance of loose subsoil is assessed, thus developing a practical methodology of performance-based mitigations. Most experimental data obtained is presented together with interpretations, and the mathematical framework for the performance assessment is described together with an example of specified mitigation methods. It is worth mentioning that the target of this assessment is the residential land of people who cannot afford high costs of testing and analysis, therefore, the methodology is simplified as much as possible. (C) 2015 Elsevier Ltd. All rights reserved.
机译：近年来，岩土地震工程一直特别关注诸如无粘性细砂液化，基于性能的设计以及针对房屋区域的减震措施等主题。由于日本和新西兰最近的地震在居民区引起了许多液化问题，因此上述问题变得比以往更加重要。本研究对无粘性细砂进行了实验室测试，以显示如何评估疏松地下土的抗震性能，从而开发了一种基于性能的减震实用方法。所获得的大多数实验数据均与解释一起提供，并且性能评估的数学框架与指定的缓解方法的示例一起进行了描述。值得一提的是，评估的目标是无法负担高昂测试和分析成本的人的居住地，因此，该方法应尽可能简化。 （C）2015 Elsevier Ltd.保留所有权利。

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