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首页> 外文期刊>Journal of Composites for Construction >Flexural Behavior of GFRP-Reinforced Concrete Masonry Beams
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Flexural Behavior of GFRP-Reinforced Concrete Masonry Beams

机译：GFRP加固混凝土砌体梁的抗弯性能

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摘要

An experimental and analytical study is conducted in order to investigate the flexural behavior of masonry beams that are internally reinforced using glass fiber-reinforced polymers (GFRP) rebars. Seven reinforced masonry beams with 4.0- and 2.4-m spans were tested under four-point bending setup. The beams were loaded monotonically up to failure. One had two courses of hollow concrete masonry units and the remaining six beams had three courses. Two masonry beams were reinforced using conventional steel rebars and were considered as the control specimens. The remaining five beams were internally reinforced using GFRP rods with different reinforcement ratios. Beams were detailed to have sufficient shear reinforcement such that they do not fail in shear. Flexural capacity, deformation, curvature, and strains of the tested GFRP-reinforced and steel-reinforced masonry beams were compared and discussed. Using the acquired data from the experimental and analytical studies, effectiveness of GFRP rods as internal reinforcement for concrete masonry beams is demonstrated.
机译：为了研究使用玻璃纤维增​​强聚合物（GFRP）钢筋内部加固的砌体梁的抗弯性能，进行了实验和分析研究。在四点弯曲设置下测试了七个跨度分别为4.0和2.4 m的钢筋砌体梁。梁被单调加载直至失效。其中一间有两层空心混凝土砌筑单元，其余六根横梁有三层。使用常规的钢筋对两个砖石梁进行了加固，并被视为控制样本。其余五根梁使用具有不同加固率的GFRP棒进行内部加固。对梁进行了详细说明，使其具有足够的抗剪强度，以使它们不会在剪切中失效。比较并讨论了测试的GFRP加固和钢加固的砌体梁的抗弯能力，变形，曲率和应变。使用从实验和分析研究获得的数据，证明了GFRP棒作为混凝土砌筑梁的内部加固的有效性。

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