GFRP管钢骨高强混凝土偏压柱试验研究  

EXPERIMENTAL RESEARCH ON GFRP COLUMNS FILLED WITH STEEL-REINFORCED HIGH-STRENGTH CONCRETE SUBJECTED TO ECCENTRIC COMPRESSION LOAD

作　　者：王连广[1] 周乐[2] 

机构地区：[1]东北大学资源与土木工程学院,辽宁沈阳110004 [2]沈阳大学建筑工程学院,辽宁沈阳110044

出　　处：《工程力学》2011年第1期145-149,156,共6页Engineering Mechanics

基　　金：国家教育部博士点基金项目(20050145012);辽宁省教育厅科研项目(L2010381);辽宁省自然科学基金项目(20052019)

摘　　要：通过8根GFRP管钢骨高强混凝土组合柱偏心受压试验,研究了GFRP管纤维缠绕角度、管壁厚度、长细比及偏心距等参数对组合柱受力性能的影响。试验结果表明:组合柱承载力随着GFRP管壁纤维缠绕角度的减小、管壁厚度的增加而提高,随着长细比增大、偏心距增加而降低。根据试验研究与理论分析,建立GFRP管钢骨高强混凝土偏心受压组合柱承载力计算公式,理论计算结果与试验结果吻合良好。Based on the eccentric compression experiments of 8 GFRP tubes filled with steel-reinforced high-strength concrete composite columns,the mechanism and failure modes of these columns were studied considering the variation of main effect Parameters,such as the GFRP tube fiber tangle angle,the GFRP tube thickness,the slenderness ratio and the eccentricity.The experimental results show that the bearing compressive capacity of composite columns obviously increases with the decrease of the fiber tangle angle and the thickness increase of GFRP tube,but decreases with the increase of the eccentricity and slenderness ratio.The theoretical calculating formula of GFRP columns filled with steel-reinforced high-strength concrete subjected to eccentric compression was proposed based on test study and theoretical analysis,and the calculated results agreed well with the experimental results.

关 键 词：GFRP管 钢骨高强混凝土 组合柱 偏心受压 试验研究 

分 类 号：TU398.9[建筑科学—结构工程]