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首页> 外文期刊>Bulletin of earthquake engineering >Graphic dynamic prediction of polarized earthquake incidence response for plan-irregular single story buildings
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Graphic dynamic prediction of polarized earthquake incidence response for plan-irregular single story buildings

机译：平面偏震入射率的平面动态预测计划不规则的单层建筑

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A graphical dynamic model is presented to predict the directional earthquake response of two-ways plan-asymmetric buildings. The theoretical principles inherent to torsional dynamics and vibrations are investigated and the dynamic directional response is rationally explained based on modal rotational kinematics about modal torsional pivots. Seismic forces and response decomposition are handled through geometric modal torsional trends and the earthquake incidence response envelopes are described through directional modal participation radii and graphic spectrum-based '8-shaped' directional influence circles. The graphic approach provides good predictions of the maximum response and of the critical angle computed through directional combination methods. A nonlinear 3D frame model with eccentric infills is analyzed through linear and nonlinear response history analyses (RHA, NLRHA) changing the earthquake incidence angle. Upon confirmation of weak modal coupling, graphic-dynamic modal torsional trends and directional inelastic response envelopes are used to predict the nonlinear response. Directional incremental dynamic analyses and uncoupled modal response history analyses confirm the prediction of polarization.
机译：提出了一种图形动态模型以预测双向平面非对称建筑的定向地震响应。研究了扭转动力学和振动所固有的理论原理，并且基于模态扭转动入基于模态扭转动力学来说是合理解释的动态定向响应。通过几何模态扭转趋势处理地震力和响应分解，通过定向模态参与半径和基于图形光谱的“8形的”8形“定向圆圈来描述地震发生率响应包络。图形方法提供了通过方向组合方法计算的最大响应和临界角度的良好预测。通过线性和非线性响应历史分析（RHA，NLRHA）改变地震发生角度的非线性3D帧模型分析了具有偏心填充物的非线性3D帧模型。在确认弱模态耦合后，使用图形 - 动态模态扭转趋势和定向非弹性响应信封来预测非线性响应。方向增量动态分析和解耦模态响应历史分析确认了极化的预测。

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