Developing seismic design guidelines for pallet racks

制定托盘架的抗震设计指南

基本信息

  • 批准号:
    560763-2020
  • 负责人:
  • 金额:
    $ 2.91万
  • 依托单位:
  • 依托单位国家:
    加拿大
  • 项目类别:
    Alliance Grants
  • 财政年份:
    2022
  • 资助国家:
    加拿大
  • 起止时间:
    2022-01-01 至 2023-12-31
  • 项目状态:
    已结题

项目摘要

Storage rack systems are widely used for storage facilities in warehouse buildings. The proposed research deals with the design of Selective Pallet Storage Steel Racks (SPSSRs) manufactured by ARPAC. Currently, there are no proper guidelines for designing such structures in seismic regions. The proposed research will experimentally investigate the behavior of proprietary structural components of beam-to-column connections, brace-to-column connections, and baseplates-to-column connections of rack structures and the frame response in both cross-aisle and down-aisle directions and develop seismic design guidelines for SPSSRs. Snapback test, and reversed cyclic loading tests will be evaluated to determine the natural period, stiffness, load-displacement response, hysteretic damping, and behavior of various connections, which will be critical to establishing finite element models that can accurately predict the response of SPSSRs.Performance-based design is becoming a standard practice for seismic design and evaluation of structures to achieve a reliable and satisfactory level of performance. There has been little study on the seismic performance of SPSSRs in Canada. This study will examine the interaction among different components of the SPSSR systems under increased lateral loads and evaluate various damage states, failure mechanisms, and its collapse behavior. This will help determine adequate section sizes and connection details. The developed numerical models will be first validated with experimental results. Then the models will be utilized to simulate the response of SPSSRs with various configurations. Incremental dynamic analyses (IDA) will be performed as per FEMA P-695 procedure to develop force modification factors for force-based design procedure. The IDA results will be also utilized to observe the damage mechanism at various displacement levels to come up with the displacement-based design procedure. This study will provide performance-based design solutions for rack structures and their elements. The significance of this research is paramount as it directly contributes to the safety and security of Canadian rack infrastructure.
仓储货架系统广泛应用于仓库建筑的仓储设施。本文研究的是ARPAC公司生产的选择性托盘存储钢架(SPSSRs)的设计。目前,在地震带设计这种结构没有适当的指导方针。拟议的研究将通过实验研究机架结构的梁到柱连接、支撑到柱连接和底板到柱连接的专有结构组件的行为,以及跨通道和下通道方向的框架响应,并制定spssr的抗震设计指南。将评估Snapback试验和反向循环加载试验,以确定自然周期、刚度、载荷-位移响应、滞回阻尼和各种连接的行为,这对于建立能够准确预测spssr响应的有限元模型至关重要。基于性能的设计正在成为结构抗震设计和评估的标准做法,以达到可靠和令人满意的性能水平。在加拿大,关于spssr抗震性能的研究很少。本研究将研究SPSSR体系在侧向荷载作用下不同构件之间的相互作用,并评估其各种损伤状态、破坏机制和破坏行为。这将有助于确定适当的截面尺寸和连接细节。所建立的数值模型将首先用实验结果进行验证。然后利用该模型对不同构型的spssr进行响应仿真。增量动态分析(IDA)将按照FEMA P-695程序执行,为基于力的设计程序开发力修正因子。IDA结果还将用于观察不同位移水平下的损伤机制,以提出基于位移的设计程序。本研究将为机架结构及其元件提供基于性能的设计解决方案。这项研究的意义是至关重要的,因为它直接有助于加拿大机架基础设施的安全和保障。

项目成果

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Alam, ShahriaS其他文献

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{{ truncateString('Alam, ShahriaS', 18)}}的其他基金

Seismic performance improvement of buildings with self-centering bracings
自定心支撑提高建筑物抗震性能
  • 批准号:
    570821-2021
  • 财政年份:
    2022
  • 资助金额:
    $ 2.91万
  • 项目类别:
    Alliance Grants
Advancing the Seismic Design Practices of Concrete Bridge Piers Reinforced with High Strength Steel Rebars
推进高强钢筋混凝土桥墩抗震设计实践
  • 批准号:
    566761-2021
  • 财政年份:
    2022
  • 资助金额:
    $ 2.91万
  • 项目类别:
    Alliance Grants
Performance-based design of bridge retrofitting with novel techniques considering life-cycle analysis
基于性能的桥梁改造新技术考虑生命周期分析的设计
  • 批准号:
    570565-2021
  • 财政年份:
    2022
  • 资助金额:
    $ 2.91万
  • 项目类别:
    Alliance Grants
Sustainable recycled wood ash-based mortar and concrete from production to large-scale application
可持续再生木灰砂浆和混凝土从生产到大规模应用
  • 批准号:
    557333-2020
  • 财政年份:
    2022
  • 资助金额:
    $ 2.91万
  • 项目类别:
    Alliance Grants

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