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An efficient performance-based seismic design method for reinforced concrete frames

机译:一种有效的基于性能的钢筋混凝土框架结构抗震设计方法

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摘要

In this paper, a practical method is developed for performance-based design of RC structures subjected to seismic excitations. More efficient design is obtained by redistributing material from strong to weak parts of a structure until a state of uniform deformation or damage prevails. By applying the design algorithm on 5, 10 and 15-storey RC frames, the efficiency of the proposed method is initially demonstrated for specific synthetic and real seismic excitations. The results indicate that, for similar structural weight, designed structures experience up to 30% less global damage compared with code-based design frames. The method is then developed to consider multiple performance objectives and deal with seismic design of RC structures for a design spectrum. The results show that the proposed method is very efficient at controlling performance parameters and improving structural behaviour of RC frames.
机译:在本文中,为基于地震激励的RC结构基于性能的设计开发了一种实用的方法。通过从结构的强到弱部分重新分配材料,直到出现均匀变形或损坏的状态,可以获得更有效的设计。通过将设计算法应用于5层,10层和15层的RC框架,最初证明了该方法对于特定的合成和真实地震激励的效率。结果表明,在结构重量相似的情况下,与基于代码的设计框架相比,设计结构所遭受的整体损坏最多减少30%。然后开发该方法以考虑多个性能目标,并针对设计频谱处理RC结构的抗震设计。结果表明,该方法在控制性能参数和改善RC框架结构性能方面非常有效。

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