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    [外文翻译] 静荷载作用下框架剪力墙的可靠性

    资料分类:大阳城设计资料 - 毕业设计外文翻译范文参考资料 | 发布形式:资料共享 | 更新时间:2017-05-06 显示全部楼层

    资料简介:


      Reliability of Frame and Shear Wall Structural Systems. I: Static LoadingAhmed Ghobarah
      Abstract:
      An efficient and accurate algorithm is developed to evaluate the reliability of a steel frame and reinforced concrete shear wall structural system subjected to static loading. In a companion paper, the algorithm is extended to consider dynamic loading, including seismic loading. The concept integrates the finite-element method and the first-order reliability method, leading to a stochastic finite element-based approach.
      In the deterministic finite-element representation, the steel frame is represented by beam-column elements and the shear walls are represented by plate elements. The stiffness matrix for the combined system is then developed. The deterministic finite-element algorithm is verified using a commercially available computer program. The deterministic algorithm is then extended to consider the uncertainty in the random variables. The reliability of a steel frame with and without the presence of reinforced concrete shear walls is evaluated for the strength and serviceability performance functions. The results are verified using Monte Carlo simulations. The algorithm quantitatively confirms the beneficial effect of shear walls, particularly when the steel frame is weak in satisfying the serviceability requirement of lateral deflection. The algorithm can be used to estimate the reliability of any complicated structural system consisting of different structural elements and materials when subjected to static loading. The procedure will be useful in the performance-based design guidelines under development by the profession.
      keywords: Limit states; Simulation; Shear walls; Static loads; Steel frames; Finite element method.
      静荷载作用下框架剪力墙的可靠性
      作者:Ahmed Ghobarah
      摘要:一种新的精确有效的计算方法已经被发现用来评价钢筋混凝土框架剪力墙结构在受到静荷载作用时的可靠性。在一位同僚的论文中,这种方法已经被用来计算包括地震在内的动荷载。它将有限元和第一可靠性原则结合起来,产生了一种基于有限随机的要素的方法。
      在这种确定性的有限元表示法中,钢框架体系由梁柱结构体系表现出而剪力墙结构由板体系表现出来,组合在一起的体系的刚度矩阵就形成了。这种确定性的有限元方法可以用计算机程序来检验。它可以被延用于考虑随机情况下的不确定因素。是否有剪力墙加固工事的钢框架的可靠性被用来确定在结构在发挥作用时的强度和适用性。这种方法在数字上体现出对剪力墙的正面效果,特别是在侧向偏差令人满意而框架性能很弱的时候。它可以用于对受静荷载作用的任何材料和结构形式的复杂结构的可靠性的评估。职业一点来说,这种方法对于指导尚欠发展的设计工作是很有用的。
      关键词:极限状态,模拟,剪力墙,静荷载,钢框架,有限元。
    毕业设计外文翻译-静荷载作用下框架剪力墙的可靠性(1)
    毕业设计外文翻译-静荷载作用下框架剪力墙的可靠性(2)
    毕业设计外文翻译-静荷载作用下框架剪力墙的可靠性(3)
    毕业设计外文翻译-静荷载作用下框架剪力墙的可靠性(4)
    毕业设计外文翻译-静荷载作用下框架剪力墙的可靠性(5)
    毕业设计外文翻译-静荷载作用下框架剪力墙的可靠性(6)
    毕业设计外文翻译-静荷载作用下框架剪力墙的可靠性(7)
    毕业设计外文翻译-静荷载作用下框架剪力墙的可靠性(8)

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