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首页> 外文期刊>Journal of Earthquake Engineering >Rocking of Non-symmetric Rigid Blocks in Buildings Considering Effects Associated with Dynamic Soil-Structure Interaction
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Rocking of Non-symmetric Rigid Blocks in Buildings Considering Effects Associated with Dynamic Soil-Structure Interaction

机译：考虑动态土-结构相互作用的非对称刚性块体在建筑物中的摇摆

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摘要

A dynamic model for the estimation of the rocking and/or overturning response of a free-standing non-symmetric rigid block considering rotational and horizontal excitation is proposed. The block is situated at different levels of a building with flexible base subjected to earthquakes. Base flexibility introduces the rotational component of the excitation due to dynamic soil-structure interaction (DSSI). The model is used to assess the influence of the dynamic soil-structure interaction on the behavior of the block. An illustrative example of the proposed model for non-symmetric rigid blocks in 5-, 10-, and 15-story buildings located in soft soils considering earthquakes from different seismic sources is presented. Results show that it is important to consider kinematic effects as well as inertial effects of DSSI in the dynamic response of contents. The influence of base flexibility depends on the change of spectral intensities associated to the increase of the building structural period and is larger for higher building levels.
机译：提出了一种动态模型，用于估计考虑旋转和水平激励的独立非对称刚性块的摇摆和/或倾覆响应。该街区位于建筑物的不同楼层，其基础容易受到地震的破坏。基础的灵活性引入了由于动态土-结构相互作用（DSSI）而引起的激励旋转分量。该模型用于评估动态土-结构相互作用对砌块行为的影响。给出了在考虑到来自不同地震源的地震的，位于软土中的5层，10层和15层建筑物中的非对称刚性块的拟议模型的说明性示例。结果表明，在内容物的动态响应中，必须考虑运动学影响以及DSSI的惯性影响。基础柔韧性的影响取决于与建筑物结构周期增加相关的光谱强度变化，对于更高的建筑物水平则更大。

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