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Consequences of Seismic Soil Liquefaction and State-of-Practice Evaluation Methods

机译：地震土液化的后果和实践评估方法

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This paper has been adapted from an original presentation by the author to a national workshop in the U.S. (Dobry, 2014). After a discussion on the two successive stages of liquefaction triggering in the free field, associated with small cyclic strains, and post-triggering due to earthquake shaking, it is concluded that most liquefaction consequences of engineering significance involve high strains and hence are post-triggering phenomena. The liquefaction consequences are classified in four main categories: (ⅰ) flow slides and large deformations of embankments and slopes; (ⅱ) free field deformations including lateral spreading; (ⅲ) structural effects driven by the free field deformations; and (ⅳ) structural damage that includes effects of gravitational and inertial structural forces. Each one of the four categories are discussed separately with focus on the current State-of-Practice of their evaluation and technical challenges.
机译：本文已从作者的原始演讲改编为美国的国家研讨会（Dobry，2014）。在讨论了自由场中液化触发的两个连续阶段，与小循环应变相关的两个阶段以及地震震动引起的后触发之后，得出的结论是，具有工程意义的大多数液化后果都涉及高应变，因此属于后触发现象。液化的后果可分为四个主要类别：（ⅰ）滑坡和路堤和边坡的大变形； （ⅱ）自由场变形，包括横向扩展； （ⅲ）自由场变形驱动的结构效应； （ⅳ）结构损坏，包括重力和惯性结构力的影响。将分别讨论这四个类别中的每一个类别，重点是它们的评估和技术挑战的当前实践状态。

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