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Hurricane Sandy: Design Considerations and Reliability of Resiliency of Elevated Buildings in New York City

机译:飓风桑迪:纽约市高架建筑弹性的设计考虑因素和可靠性

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This paper aims at delineating the various aspects of resilient design of single or multi-family houses subjected to extreme environmental loads with a focus on Hurricane Sandy in New York City area. Emphasis of the case study is on the design of resilient foundations. Due to proximity of the buildings to the profoundly deteriorating bulkheads at the shore line and potential risk of failure as a result of flooding, lateral stability of the structures is a significant aspect of the resilient design. In this paper, the approach taken to ensure resiliency of the foundations against lateral loads is discussed. Other design aspects such superstructure and foundation connection and roof framing design is briefly discussed. A reliability analysis method is adopted to assess the degree of resiliency of the structures against the same wind load as in Hurricane Sandy. Response surface method based on first order reliability method (FORM) is employed to compute the reliability index for soil friction angle and pile head rotational stiffness as stochastic variables. The analysis results ensure resiliency of the structures constructed based on current design.
机译:本文旨在划算纽约市区飓风桑迪的极端环保负荷的单户或多族房屋的弹性设计的各个方面,以纽约市区的飓风桑迪为重点。重点是案例研究是对弹性基础的设计。由于建筑物的接近,在岸线处的深刻劣化的舱壁以及由于洪水的潜在失效风险,结构的横向稳定性是弹性设计的重要方面。本文讨论了确保基础抵抗横向载荷的抗弹性的方法。简要讨论了其他设计方面,如此超结构和基础连接和屋顶框架设计。采用可靠性分析方法来评估结构的弹性程度与飓风桑迪相同的风负荷。采用基于第一阶可靠性方法(形式)的响应面法以计算土壤摩擦角和桩头旋转刚度作为随机变量的可靠性指标。分析结果确保基于当前设计构建的结构的弹性。

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