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首页> 外文会议>6th International conference on advanced composite materials in bridges and structures 2012 >ENHANCING THE BLAST RESISTANCE OF RC COLUMNS WITH FRP
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ENHANCING THE BLAST RESISTANCE OF RC COLUMNS WITH FRP

机译：FRP增强RC柱的爆炸阻力

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摘要

Protective design has become a key element in the design of some bridges and buildings, particularly related to the requirement that such facilities offer protection from accidental or malicious explosions. In this paper, the enhancement of the blast resistance capability of reinforced concrete columns using FRP (fiber reinforced polymer) is examined, as a key element in upgrading the protective design of existing buildings and bridges. The paper describes the basic behaviors that need to be considered in blast effects analysis of RC columns for vehicle bomb threats. The ability of FRP to address some of these risks was shown through the analysis and test results presented. Three crucial points are made: (1) assessing the residual capacity of large columns struck by a blast loading involves consideration of the effects of material damage, (2) FRP offers a Remarkable capability to enhance the blast resistance of existing RC columns, and (3) physics-based material models are needed to capture the concrete behaviors engendered by blast loads.
机译：防护性设计已成为某些桥梁和建筑物设计中的关键要素，特别是与此类设施必须提供保护以防止意外或恶意爆炸的要求有关。在本文中，研究了使用FRP（纤维增强聚合物）增强钢筋混凝土柱的抗爆炸能力，这是升级现有建筑物和桥梁防护设计的关键要素。本文介绍了在针对汽车炸弹威胁的RC柱的爆炸效应分析中需要考虑的基本行为。通过提供的分析和测试结果显示了FRP解决其中某些风险的能力。提出了三个关键点：（1）评估爆炸载荷对大型立柱的残余承载能力涉及材料损坏的影响；（2）FRP具有显着的能力，可增强现有RC立柱的抗爆炸性能，并且（ 3）需要基于物理的材料模型来捕获爆炸载荷引起的具体行为。

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