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GFRP管混凝土短柱轴压力学性能的试验研究 被引量:7

Experimental Resarch on Behavior of Axially Loaded Concrete Columns Confined with Gfrp Pipes
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摘要 通过试验对GFRP(玻璃纤维增强塑料)管混凝土短柱在轴心受压状态下的工作机理、破坏形态、GFRP管对混凝土强度和变形的影响进行研究,得出:由于GFRP管的约束作用,使核心混凝土处于三向受压状态,其强度和变形均得到大幅度的提高。另外,总结了影响GFRP管混凝土短柱轴压力学性能的各种因素,可知:GFRP管对低强度等级混凝土柱的约束效果好于高强混凝土柱;受力方式(是否全截面受压)对构件力学性能的影响甚微;在柱中配置一定数量的钢筋可在一定程度上改善构件破坏时的脆性。本试验的研究结果可为此类结构在工程中的实际应用提供依据与参考。 By experiment, researching on the mechanical behaviors of axially loaded concrete columns confined with GFRP pipes, the results are follows : because of GFRP confining, concrete columns strength and deformation capacity are be improved. In addition, influencing factors on member's properties, including strength of concrete, reinforcement ratio and loading types are analyzed. Research findings can be referred inrealistic projects.
出处 《内蒙古工业大学学报(自然科学版)》 2012年第2期64-69,共6页 Journal of Inner Mongolia University of Technology:Natural Science Edition
关键词 GFRP管 混凝土柱 轴心受压 力学性能 GFRP pipe RC - column axially load mechanical behavior.
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