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首页> 外文会议>6th International conference on advanced composite materials in bridges and structures 2012 >Blast Performance of Concrete Filled FRP Tubes
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Blast Performance of Concrete Filled FRP Tubes

机译：FRP钢管混凝土的爆破性能

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摘要

Blasts, whether deliberate or accidental, are a fact of modern societies. This is a great concern for a societies critical infrastructure as well as expeditionary military instillations. Improvement to existing construction methods that can enhance blast resilience could ultimately save lives and/or property. Concrete Filled FRP Tubes (CFFTs) have been shown to be an improvement over conventional reinforced concrete members for traditional loads. The tube provides additional strength and confines the concrete protecting it from damage and crushing. This study examines whether these improvements against traditional loads extend to blast loading. The study carried out including the testing of six CFFT RC column specimens under blast loading. The specimens were tested in pairs, a CFFT and a control, to facilitate the comparison. The CFFT specimens performed significantly better than the regularly reinforced specimens showing greater robustness with decreased localized damage and reduced permanent deflections. It is clear that CFFTs offer enhanced column robustness against blast loads when compared to similar traditional RC columns.
机译：爆炸，无论是有意还是无意的，都是现代社会的现实。对于社会至关重要的基础设施以及远征军灌输，这是一个极大的关注。对现有建筑方法的改进可以增强爆炸的复原力，最终可以挽救生命和/或财产。事实表明，对于传统荷载，混凝土填充FRP管（CFFT）是对传统钢筋混凝土构件的改进。该管提供了额外的强度，并限制了混凝土，以保护其免受损坏和压碎。这项研究检查了针对传统载荷的这些改进是否扩展到爆炸载荷。该研究包括在爆炸载荷下测试六个CFFT RC柱标本。对样本进行成对测试，CFFT和对照，以方便比较。 CFFT样品的性能显着优于常规增强的样品，显示出更高的鲁棒性，并减少了局部损伤并减少了永久挠度。显然，与类似的传统RC色谱柱相比，CFFT具有增强的抗爆炸载荷性能。

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