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首页> 外文会议>Canadian Society for Civil Engineering annual conference >BEHAVIOR OF CIRCULAR FRP-REINFORCED CONCRETE COLUMNS UNDER ECCENTRIC LOADING
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BEHAVIOR OF CIRCULAR FRP-REINFORCED CONCRETE COLUMNS UNDER ECCENTRIC LOADING

机译：偏心载荷下圆形FRP钢筋混凝土柱的行为

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This paper presents the results of an investigation of the eccentric compression behavior of three full-scale circular concrete columns reinforced with the glass-fiber-reinforced polymer (GFRP) bars and spirals. The column specimens measured 1500 mm height, 305 mm diameter and were tested under monotonic eccentric loading. The main variable was the eccentricity-to-dimeter ratio. Three values were considered in this study (8.20%, 16.39%, and 65.57%). The failure mechanism was changeable according to the level of the applied eccentricity. The failure mechanism of columns at small eccentric loading was defined as compression-controlled due to concrete crushing. At high eccentric loading, the failure of the column cannot simply be characterized by a compression failure, it was rather controlled by the properties of the GFRP bars. The test results were plotted to obtain the experimental P-M interaction diagram. Finally, the experimental results were analyzed and compared with predicted results.
机译：本文介绍了用玻璃纤维增​​强聚合物（GFRP）棒和螺旋增强的三个全尺寸圆形混凝土柱的偏心压缩行为的研究结果。柱试样测量1500 mm高度，直径305毫米，并在单调偏心载荷下进行测试。主要变量是偏心度到下降比率。本研究考虑了三个值（8.20％，16.39％和65.57％）。根据所施加的偏心度的水平，故障机制可变。由于混凝土压碎，小偏心载荷下柱的故障机理被定义为压缩控制。在高偏心装载时，柱的故障不能简单地通过压缩失败表征，它是由GFRP条的性质控制的。绘制测试结果以获得实验性P-M相互作用图。最后，分析了实验结果并与预测结果进行了比较。

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