混凝土结构抗弯加固用混凝土

SP-275: Fiber-Reinforced Polymer Reinforcement for Concrete Structures 10th International Symposium Pub Date : 2011-03-01 DOI:10.14359/51682427

Adolfo J. Obregon-Salinas, S. Rizkalla, P. Zia

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引用次数: 1

摘要

摘要:本文介绍了一种新的创新胶凝材料的使用评估，商业上称为Grancrete PCW，作为环氧树脂用于钢筋混凝土(RC)结构的FRP增强系统的替代品。混凝土是一种环保材料，具有较高的早期粘结强度和优异的耐火性。该研究包括一个实验程序，以评估17块使用不同类型纤维加固的RC板的性能。对加固后试件的承载力、延性和破坏模式进行了评价，并与对照试件进行了比较。实验结果表明，混凝土PCW膏体可以作为一种替代粘结材料。

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Grancrete for Flexural Strengthening of Concrete Structures

Synopsis: This paper presents an evaluation of the use of a new innovative cementitious material, commercially known as Grancrete PCW, as an alternative to epoxy for FRP strengthening systems used for reinforced concrete (RC) structures. Grancrete is an environmentally friendly material that develops high early bond strength and possesses an excellent resistance to fire. The study includes an experimental program to evaluate the behavior of seventeen RC slabs strengthened by using different types of fibers. The load carrying capacity, ductility, and mode of failure of the strengthened specimens were evaluated and the results were compared to control specimens. Results of the experimental program showed that Grancrete PCW paste could be used as an alternative bonding material.

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SP-275: Fiber-Reinforced Polymer Reinforcement for Concrete Structures 10th International Symposium

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