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首页> 外文期刊>Soil Dynamics and Earthquake Engineering >Investigation of seismic response of cantilever retaining walls: Limit analysis vs shaking table testing
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Investigation of seismic response of cantilever retaining walls: Limit analysis vs shaking table testing

机译：悬臂式挡土墙地震响应研究：极限分析与振动台测试

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The earthquake response of cantilever retaining walls is explored by means of theoretical analyses and shaking table testing conducted at University of Bristol (EERC - EQUALS). The theoretical investigations employ both limit analysis and wave-propagation methods, which take into account different aspects of the problem such as inertia, strength, kinematics and compatibility of deformations. The experimental programme encompasses different combinations of retaining wall geometries, soil configurations and input ground motions. The response analysis of the systems at hand aims at shedding light onto salient features of the problem, such as: (1) the magnitude of soil thrust and its point of application; (2) the relative sliding versus rocking of the wall base and the corresponding failure modes; (3) the importance of the interplay between soil stiffness, wall dimensions and excitation characteristics, as affecting the above; (4) the importance of wall dynamics and phase differences between peak stresses and displacements. The results of the experimental investigations are in good agreement with the theoretical models and provide a better understanding on the complex mechanics of the problem. (C) 2015 Elsevier Ltd. All rights reserved.
机译：通过在布里斯托大学（EERC-EQUALS）进行的理论分析和振动台测试，探索了悬臂式挡土墙的地震响应。理论研究使用极限分析和波传播方法，它们考虑了问题的不同方面，例如惯性，强度，运动学和变形的相容性。实验程序包括挡土墙几何形状，土壤构造和输入地面运动的不同组合。对现有系统的响应分析旨在让人们了解问题的主要特征，例如：（1）土层推力的大小及其应用点； （2）墙基的相对滑动与摇摆以及相应的破坏模式； （3）影响上述因素的土壤刚度，壁尺寸和激发特性之间相互作用的重要性； （4）壁动力学的重要性以及峰值应力和位移之间的相位差。实验研究的结果与理论模型非常吻合，并且对问题的复杂机理提供了更好的理解。 （C）2015 Elsevier Ltd.保留所有权利。

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