基于摩擦阻尼器和钢管的垂直循环立体车库抗震性能研究

Yang‐yang Guo, Zu‐zhi Tian, Xiang‐fan Wu, Li‐yuan Tan, Hao‐peng Li
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引用次数: 0

摘要

传统的垂直循环立体车库在极端地震荷载和复杂工况下容易发生变形和失稳。本研究介绍了钢管和摩擦阻尼器的组合布置,以优化垂直循环立体车库,同时还研究了其在三种代表性地震波(EL-CNENTRO、TH1TG025(TH)和 RH1TG025(RH))下的抗震性能。结果表明,与单纯依靠斜拉杆、钢管或摩擦阻尼器相比,方案 4 将钢管和摩擦阻尼器结合使用时,车库结构具有更好的抗震性能。方案 4 对整体最大变形响应、Y 方向最大变形响应、顶点加速度响应和底部剪切响应的抑制率分别高达 61.27%、22.12%、56.07% 和 12.84%。这一改进大大提高了车库的抗震稳定性,为推动垂直循环立体车库的发展和市场推广提供了有价值的理论参考。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Research on seismic suppression performance of vertical circulation stereo garage based on friction damper and steel pipe
The conventional vertical circulation stereo garage is susceptible to deformation and instability when subjected to extreme seismic loads and complex working conditions. The present study introduces the combination arrangement of steel pipe and friction damper to optimize vertical circulation stereo garage while also investigating their seismic suppression performance under three representative seismic waves (EL‐CNENTRO, TH1TG025(TH), and RH1TG025(RH)). The results showed that the garage structure hasbetter seismic suppression performance when the combination of steel pipes and friction dampers is applied in Scheme 4 compared to relying solely on diagonal tie rod, steel pipe or friction damper. And Scheme 4 achieves inhibition rates of up to 61.27%, 22.12%, 56.07%, and 12.84% for overall maximum deformation response, maximum Y‐direction deformation response, vertex acceleration response, and bottom shear response, respectively. This enhancement significantly improves the garage's seismic stability, providing valuable theoretical references for advancing the development and market promotion of vertical circulation stereo garages.
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