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Simulated Portfolio for the Seismic Risk Assessment of Composite Structures

机译:组合结构地震风险评估的模拟组合

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摘要

Assessment of damage costs due to an earthquake is an important issue for the insurance industry, yet it currently lacks real damage data for realistic pricing of individual risks. Sophisticated numerical tools, which are widely used to assess structural behavior in great detail (like FEM), may be used with confidence in modeling damage and therefore, they may be suitable in seismic risk assessment for insurance purposes. To produce a virtual damage database, the "Simulated Building Portfolio"-Tool (SBP-Tool) was developed at the University of Kassel in cooperation with the Munich Re. This paper presents the first virtual portfolio for steel-concrete composite frame structures. The SBP-Tool uses beam elements for the composite columns and steel girders, and shell elements for the concrete slabs. Shear springs are automatically created to model the composite action between concrete slabs and steel beams. Rotational springs model the semi-rigid beam-column connections.
机译:评估地震造成的损失成本对于保险业来说是一个重要的问题,但是目前缺乏用于实际定价个人风险的真实损失数据。广泛用于详细评估结构行为的复杂数值工具(例如FEM)可以放心地对破坏进行建模,因此,它们可能适合用于保险目的的地震风险评估。为了产生虚拟损坏数据库,卡塞尔大学与慕尼黑再保险公司合作开发了“模拟建筑组合”工具(SBP-Tool)。本文介绍了钢-混凝土复合框架结构的第一个虚拟产品组合。 SBP-Tool将梁单元用于组合柱和钢梁,将壳单元用于混凝土板。剪切弹簧会自动创建,以模拟混凝土板和钢梁之间的复合作用。旋转弹簧为半刚性梁柱连接建模。

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  • 来源
  • 会议地点 North Queensland(AU)
  • 作者

    A. Muehlhausen; U. E. Dorka;

  • 作者单位

    Dept. of Civil and Environmental Engineering, Univ. of Kassel, Kurt-Wolters-Str. 34, 34125 Kassel, Germany;

    Dept. of Civil and Environmental Engineering, Univ. of Kassel, Kurt-Wolters-Str. 34, 34125 Kassel, Germany;

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  • 正文语种 eng
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