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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:
2015
资助国家:
加拿大
项目状态:
已结题
起止时间:
2015-01-01 至 2016-12-31

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中文摘要
翻译
世界贸易中心塔楼的倒塌和许多记录在案的火灾引发的结构故障引起了人们对公共安全的严重关切。大多数钢筋混凝土(RC)结构的设计使用规定的防火设计方法,是基于暴露于标准火灾的RC元件的结构测试。然而,它们具有显着的缺点,包括:结构层面的安全裕度不确定、对连续倒塌的抵抗力未知以及不适用于考虑复杂的自然火灾现象所需的创新成本节约解决方案。他们也未能提供必要的指导,以评估和改造火灾损坏的结构。
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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  • 项目类别:
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  • 项目类别:
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