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首页> 外文会议>International Conference on Structures and Building Materials >Investigation on Flexural Behavior of Reinforced Concrete Beams Flexurally Strengthened by Different Methods
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Investigation on Flexural Behavior of Reinforced Concrete Beams Flexurally Strengthened by Different Methods

机译：不同方法柔性加固钢筋混凝土梁弯曲行为的研究

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Externally bonding fiber reinforcement polymer (FRP)laminate to the soffit of reinforced concrete (RC) beam is an effective way to increase its flexural strength. However, there is little investigation on flexural behavior of RC beam by side-bonding FRP laminates. To investigate the difference of flexural behavior between soffit-bonding and side-binding FRP laminates RC beams, a total of 9RC beams were tested, including 8 strengthened beams and 1 control beam. The test results showed that: 1) As fiber reinforced concrete, side-bonding FRP laminates can also effectively increase the first crack strength of RC beams. The first crack load improved significantly; 2) side-bonding FRP laminates is not a good method to improve the flexural behavior of RC beam at the yield stage and the post yield stage. 3) Side-bonding of CFRP laminates is a good way for existing RC beams to control its crack width and deflection.
机译：外部粘合纤维增强聚合物（FRP）层压板与钢筋混凝土（RC）梁的拱隙是增加其弯曲强度的有效方法。然而，几乎没有对RC光束侧面粘接FRP层压板的弯曲行为的研究。为了研究SOFFIT键合和侧面结合FRP层压板RC光束之间的弯曲行为的差异，测试了总共9RC梁，包括8个强化梁和1个控制梁。测试结果表明：1）作为纤维增强混凝土，侧粘合FRP层压板也可以有效地提高RC梁的第一裂纹强度。第一裂缝负荷显着提高; 2）侧粘合FRP层压材料不是提高产量阶段和产量阶段的RC光束的弯曲行为的好方法。 3）CFRP层压板的侧面键合是现有RC光束来控制其裂缝宽度和偏转的好方法。

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