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首页> 外文期刊>Bulletin of earthquake engineering >Maximum seismic displacements evaluation of steel frames from their post-earthquake residual deformation
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Maximum seismic displacements evaluation of steel frames from their post-earthquake residual deformation

机译：从震后残余变形估算钢框架的最大地震位移

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Themaximum seismic displacements of a structure can be used for the assessment of its post-earthquake performance. In this paper, a simple and efficient procedure is proposed for determining maximum seismic displacements of planar steel frames from their residual deformation. More specifically, the inelastic behaviour of 36 moment resisting steel frames and 36 concentrically X-braced steel frames under one hundred strong ground motions is investigated.Thus, on the basis of extensive parametric studies for these structures and seismic records, empirical equations are constructed for simple and effective prediction of maximum seismic displacements from residual deformation, which can be measured in-situ after strong seismic events. It is found that the usage of residual deformation can be effectively utilized to evaluate the post-earthquake performance level of steel structures.
机译：结构的最大地震位移可用于评估其震后性能。本文提出了一种简单有效的程序，用于根据平面钢框架的残余变形确定其最大地震位移。更具体地说，研究了在一百次强烈地面运动下36根抗弯钢框架和36根同心X形支撑钢框架的无弹性行为，从而在对这些结构和地震记录进行广泛的参数研究的基础上，建立了经验公式简单有效地根据残余变形预测最大地震位移，可以在强烈地震事件发生后现场测量。发现利用残余变形可以有效地评估钢结构的震后性能水平。

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