...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Earthquake Engineering & Structural Dynamics >Developing collapse fragility curves for base-isolated buildings
【24h】

Developing collapse fragility curves for base-isolated buildings

机译：为基础隔离建筑物绘制倒塌脆弱性曲线

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Seismic isolation technique is increasingly used both for the design of new buildings and for the seismic retrofit of existing buildings. Nevertheless, so far, little attention has been paid on the collapse capacity of these structures, mainly because it requires refined nonlinear models and careful consideration of different sources of uncertainties.To fill this gap, a set of collapse fragility functions for existing reinforced concrete-frame buildings, designed for gravity loads only and then retrofitted with different isolation systems (including rubber-based and friction-based isolation systems), are derived in this study. For completeness, buildings with low and high seismic resistance are also considered.Collapse fragility functions are derived through incremental dynamic analysis, considering different collapse conditions both for isolation system and superstructure. For each case study building, mean and dispersion values are obtained considering both aleatory and epistemic uncertainties, due to record-to record and model variability, respectively. Finally, some comments on the possible use of the results of this study for practical applications are made.
机译：隔震技术越来越多地用于新建筑物的设计和现有建筑物的抗震改造。然而，到目前为止，这些结构的倒塌能力几乎没有引起注意，主要是因为它需要精确的非线性模型并仔细考虑了各种不确定性来源。为填补这一空白，现有钢筋混凝土的一组倒塌脆性函数包括：本研究得出的框架建筑物仅设计用于重力载荷，然后进行了改装，并配有不同的隔离系统（包括基于橡胶和基于摩擦的隔离系统）。为了完整起见，还考虑了低抗震性和高抗震性的建筑物，并通过考虑隔离系统和上部结构的不同倒塌条件，通过增量动力分析得出倒塌脆弱性函数。对于每个案例研究建筑物，分别考虑到记录之间的差异和模型的可变性，同时考虑到偶然性和认知方面的不确定性而获得均值和离散值。最后，对可能将本研究结果用于实际应用的一些意见。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号