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中文摘要：
采用ABAQUS有限元软件对影响Pushover分析方法的关键因素即侧向荷载的分布形式对混合结构Pushover分析结果的影响进行研究,研究加载模式对混合结构顶点位移与基底剪力的关系曲线、层间位移、屈服破坏机制等的影响。研究结果表明：不同的侧向荷载分布模式对结构的影响不同,结构的侧向变形和最大层间位移出现的位置不同,塑性区域产生的时间和次序都有较大差别;对于每一种加载模式,其所能检测到的结构破坏机制是惟一的,塑性区首先出现在结构的薄弱部位,然后,其他区域也出现塑性区域,最后,由于弹塑性变形过大,从而导致结构破坏。
英文摘要：
One of the key factor, lateral load pattern on the pushover analysis, was analyzed with the ABAQUS software. The influence of load pattern on the Pushover curves, story drifts and the yield mechanism on the TBHS was studied. The results show that different lateral load patterns produce the different Pushover results which contained story displacement, story drift, and plastic zones. One lateral load pattern just gives one structural failure mechanism. Plastic zones first appear in the weak part of the structure, and then other weak places. The structure failure is caused by large elastic -plastic deformation.
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