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首页> 外文会议>World conference on earthquake engineering;WCEE >EXPERIMENTAL INVESTIGATION ON LOCAL BOND-SLIPBEHAVIOUR IN LIGHTWEIGHT FIBER REINFORCED CONCRETEUNDER CYCLIC ACTIONS
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EXPERIMENTAL INVESTIGATION ON LOCAL BOND-SLIPBEHAVIOUR IN LIGHTWEIGHT FIBER REINFORCED CONCRETEUNDER CYCLIC ACTIONS

机译：轻质纤维混凝土循环中局部粘结滑移行为的实验研究

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摘要

Experimental results of the local bond stress-slip relationship of reinforcing bars embedded in lightweightfiber reinforced concrete with expanded clay aggregates are presented. For fixed diameter of steel bars andconfinement external transverse pressure value, the effect of different percentages of hooked steel fibersand different geometrical ratios of transverse reinforcement was investigated. Prismatic specimens withlongitudinal steel bars embedded for a fixed length were tested under both monotonic and cyclic reversalimposed displacements at the tip of the bars, in controlled displacement tests. The influence of the abovementioned parameters was investigated, and the effects in terms of strength and ductility of theconfinement due to transverse steel, to the fibers or to the pressure applied externally were shown.
机译：给出了埋在轻质纤维增强混凝土中的钢筋的局部粘结应力-滑移关系的实验结果。对于固定直径的钢筋和约束的外部横向压力值，研究了不同比例的钩形钢纤维和不同几何比例的横向钢筋的影响。在受控位移测试中，对在纵向上嵌入了固定长度的钢筋的棱柱形试样在钢筋尖端进行了单调和循环的反向叠加位移测试。研究了上述参数的影响，并显示了由于横向钢，纤维或外部施加的压力对约束强度和延展性的影响。

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