首页> 外文OA文献 >Shear strengthening of reinforced concrete members with CFRP sheets [Refuerzo externo a cortante con láminas de CFRP en elementos de hormigón armado]
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Shear strengthening of reinforced concrete members with CFRP sheets [Refuerzo externo a cortante con láminas de CFRP en elementos de hormigón armado]

机译:CFRP板对钢筋混凝土构件的抗剪加固[CFRP板在钢筋混凝土构件中的外部抗剪加固]

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摘要

In light of their excellent mechanical properties and other advantages over conventional systems for repairing and rehabilitating structures, fibre-reinforced polymers (FRPs) are commonly used to enhance the shear strength of RC members. Because of the relatively recent application of the technique in civil engineering, however, it is addressed in very few recommendations or guides. While the design guides in place contain a single, well defined and generally accepted procedure for calculating bending moments, they collectively propose a wide variety of numerical models for shear, none of which is universally acknowledged. The present article focuses on the calculation of ultimate shear strength and describes an experimental study in that context conducted on reinforced concrete beams retrofitted with unidirectional carbon fibre reinforced polymer (CFRP) fabric.
机译:鉴于其优异的机械性能以及与传统的修复和修复结构体系相比的其他优势,通常使用纤维增强聚合物(FRP)来增强RC构件的剪切强度。但是,由于该技术在土木工程中的应用相对较新,因此很少有建议或指南涉及该技术。尽管现有的设计指南包含了一个单一的,定义明确的并且被普遍接受的用于计算弯矩的程序,但它们共同提出了各种各样的剪切数值模型,但没有一个得到普遍认可。本文着重于极限抗剪强度的计算,并描述了在这种情况下对单向碳纤维增强聚合物(CFRP)织物加筋的钢筋混凝土梁进行的实验研究。

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