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Reliability of Unreinforced Masonry Bracing Walls

机译:未加固砌体支撑墙的可靠性

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摘要

Bracing walls are essential members in typical masonry structures. However, design checks of the bracing system are only rarely performed.Furthermore, construction methods and materials have changed significantly over time. However, design codes have mostly been calibrated on the basis of experience. Consequently, the provided level of reliability remains unknown. In this study, a systematic analysis of the provided level of reliability is conducted. Analytical models for the prediction of the shear capacity of the walls are analyzed and assessed with test data to identify the most realistic model. A complete stochastic model is set up and the reliability of typical bracing walls is determined. The theoretical and "actual" levels of reliability are differentiated by taking into account the realistic utilization of the walls. To obtain a benchmark for the reliability level, the socio-economically optimal value is derived for a typical masonry structure by full-probabilistic optimization.
机译:支撑墙是典型砖石结构中必不可少的构件。但是,支撑系统的设计检查很少进行,而且随着时间的流逝,施工方法和材料也发生了重大变化。但是,设计规范大多是根据经验进行校准的。因此,所提供的可靠性水平仍然未知。在这项研究中,对提供的可靠性水平进行了系统分析。分析和预测了墙体的剪切能力的分析模型,并通过测试数据进行评估,以确定最真实的模型。建立了完整的随机模型,并确定了典型支撑墙的可靠性。通过考虑对壁的实际利用,区分了理论和“实际”可靠性水平。为了获得可靠性水平的基准,通过完全概率优化得出典型砌体结构的社会经济最优值。

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  • 来源
    《Masonry international》 |2013年第3期|63-72|共10页
  • 作者

    E. BREHM;

  • 作者单位

    Forensic Engineer, SAMAC Engineering Ltd., Calgary, Alberta, Canada;

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  • 原文格式 PDF
  • 正文语种 eng
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