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Fire-Exposed Reinforced Concrete Frames: Structural Performance, Progressive Collapse Assessment and Retrofit Strategy

Fire-Exposed Reinforced Concrete Frames: Structural Performance, Progressive Collapse Assessment and Retrofit Strategy
暴露在火灾中的钢筋混凝土框架:结构性能、渐进式倒塌评估和改造策略
批准号:
RGPIN-2015-06058
负责人:
Youssef, Maged
金额:
$1.6万
依托单位国家:
加拿大
项目类别:
Discovery Grants Program - Individual
财政年份:
2017
资助国家:
加拿大
项目状态:
已结题
起止时间:
2017-01-01 至 2018-12-31

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中文摘要
翻译
世贸中心双子塔的倒塌和许多有记录的火灾引发的结构故障引发了人们对公共安全的严重担忧。大多数钢筋混凝土(RC)结构的设计采用规范的火灾设计方法,这些方法基于暴露在标准火灾下的RC构件的结构试验。然而,这些方法都有明显的缺陷,包括:结构层面的安全裕度不明确,对连续倒塌的抗力未知,以及不能考虑复杂的自然火灾现象所要求的创新的节约成本的解决方案。它们也没有提供必要的指导,以评估和改造被火灾损坏的结构。
英文摘要
The collapse of the towers of the World Trade Center and the many documented fire-initiated structural failures raise grave concerns about public safety. The majority of Reinforced Concrete (RC) structures are designed using prescriptive fire design approaches that are based on structural tests of RC elements exposed to standard fires. However, they possess significant drawbacks including: undefined safety margin at the structure level, unknown resistance to progressive collapse and inapplicability to consider innovative cost-saving solutions demanded by the complex natural fire phenomena. They also fail to provide the needed guidance to evaluate and retrofit fire-damaged structures.
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  • 批准号:
    RGPIN-2020-04792
  • 项目类别:
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  • 财政年份:
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Structural Assessment and Repair of Superelastic-Shape-Memory-Alloy Reinforced-Concrete Framed Structures Following Exposure to Seismic and/or Fire Events
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  • 项目类别:
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  • 财政年份:
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  • 项目类别:
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  • 依托单位:
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  • 批准号:
    RGPIN-2020-04792
  • 项目类别:
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  • 资助金额:
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  • 财政年份:
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