桩-土-桥梁结构相互作用对斜拉桥减震控制的影响

发布时间：2018-04-21 12:12

本文选题：桩-土-桥梁结构相互作用 + 斜拉桥　；参考：《自然灾害学报》2017年03期

【摘要】：基于Open Sees平台建立了桩-土-桥梁结构相互作用的非线性有限元模型,参照benchmark模型定义了8个斜拉桥性能评价指标,考虑脉冲型地震动的影响,分析了桩-土-结构相互作用对斜拉桥地震动响应的影响。研究显示,桩-土-结构相互作用效应对阻尼器减震效果的影响很大,无论是速度相关型阻尼器还是位移相关型阻尼器,大部分指标的控制效率均严重下降,特别是在脉冲型地震动作用下减震效率降低更加明显。
[Abstract]:Based on the Open Sees platform, the nonlinear finite element model of pile soil bridge structure interaction is established. According to the benchmark model, the performance evaluation index of 8 cable-stayed bridges is defined. Considering the influence of pulse ground motion, the effect of pile soil structure interaction on the ground vibration response of the cable-stayed bridge is analyzed. The study shows that pile soil structure interaction is shown. The effect has a great influence on the damping effect of the damper. The control efficiency of most of the targets is greatly reduced, especially in the pulse type ground motion, and the reduction of the damping efficiency is more obvious.

【作者单位】：黑龙江省建设集团有限公司;哈尔滨商业大学能源与建筑工程学院;中国地震局工程力学研究所中国地震局地震工程与工程振动重点实验室;
【基金】：国家科技支撑计划课题(2015BAK17B04)~~
【分类号】：U442.55;U448.27

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