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首页> 外文会议>World conference on earthquake engineering;WCEE >MINIMUM WEIGHT ASEISMIC DESIGN OF STEEL FRAMESCONSIDERING THE COLLAPSE MECHANISM AND CUMULATIVEDAMAGE CONSTRAINTS
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MINIMUM WEIGHT ASEISMIC DESIGN OF STEEL FRAMESCONSIDERING THE COLLAPSE MECHANISM AND CUMULATIVEDAMAGE CONSTRAINTS

机译：考虑框架塌陷机理和累积损伤约束的钢框架的最小重量抗震设计

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摘要

This paper describes the minimum weight design problem of steel frames considering thephilosophy of strong column-weak beam and cumulative damage index. Following threeconstraints are considered in this approach. The first is the strong column-weak beamrequirement under the earthquake load determined by response spectrum method. The second isthe condition to form the plastic hinges in each story simultaneously to prevent the localconcentration of the damage. The final is the prescribed cumulative damage level of eachplastic hinge. The optimization procedure is the sequential linear programming (SLP) using thesensitive analysis and the simplex method. This approach is applied to 5-story, 3-bay and 8-story, 5-bay steel frames, and the optimum sections are obtained. The dynamic elastic plasticanalyses of minimum weight frames are performed and the achievement of the prescribedcumulative damage of each plastic hinge is checked.
机译：本文基于强柱弱梁和累积损伤指数的原理，描述了钢框架的最小重量设计问题。在此方法中考虑了以下三个约束。首先是通过响应谱法确定的地震荷载下的强柱弱梁要求。第二个条件是同时在每个楼层中形成塑料铰链，以防止损坏局部集中。最后是每个塑料铰链的规定累积损坏等级。优化过程是使用灵敏分析和单纯形法的顺序线性规划（SLP）。该方法适用于5层，3层和8层，5层的钢框架，并获得了最佳截面。进行最小重量框架的动态弹性塑性分析，并检查每个塑料铰链是否达到规定的累积损伤。

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  • 会议地点 Vancouver(CA);Vancouver(CA)
  • 作者

    Kiichiro SAWADA; Akira MATSUO; Yuji NAKAMURA; Kenichi SHIMIZU;

  • 作者单位

    Hiroshima University Higashi-hiroshima Japan E-mail : kich@hiroshima-u.ac.jp;

    Hiroshima University Higashi-hiroshima Japan E-mail : matu12@hiroshima-u.ac.jp;

    Nakamura Research Institute Yokohama Japan E-mail : ynakam@do3.enjoy.ne.jp;

    Nihon Sekkei Shinjuku Japan E-mail : shimizu-k@nihonsekkei.co.jp;

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