东北大学学报（自然科学版）

东北大学学报(自然科学版) ›› 2010, Vol. 31 ›› Issue (7): 1035-1038.DOI: -

• 论著 • 上一篇    下一篇

GFRP管钢骨混凝土轴压短柱承载力研究

陈百玲;秦国鹏;王连广;   

  1. 东北大学资源与土木工程学院;
  • 收稿日期:2013-06-20 修回日期:2013-06-20 出版日期:2010-07-15 发布日期:2013-06-20
  • 通讯作者: -
  • 作者简介:-
  • 基金资助:
    辽宁省教育厅科技攻关项目(2008468);;

Study on bearing capacity of axially-loaded GFRP tube filled with steel-reinforced concrete short columns

Chen, Bai-Ling (1); Qin, Guo-Peng (1); Wang, Lian-Guang (1)   

  1. (1) School of Resources and Civil Engineering, Northeastern University, Shenyang 110004, China
  • Received:2013-06-20 Revised:2013-06-20 Online:2010-07-15 Published:2013-06-20
  • Contact: Chen, B.-L.
  • About author:-
  • Supported by:
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摘要： GFRP管钢骨混凝土组合柱是一种新型组合构件,由GFRP外管、钢骨和混凝土三部分组成.为研究组合柱的力学性能,进行了5根GFRP管钢骨混凝土组合柱的轴压试验.通过编制程序,以配骨率、GFRP管壁厚度、混凝土强度为主要参数,计算了9个构件,得到其轴向荷载与应变关系曲线.结果表明:组合柱承载力随着配骨率的增加、GFRP管壁厚度的增加及混凝土强度的增加而提高,且变化幅度相对明显.分别采用简单叠加法和统一理论两种计算方法,建立组合柱轴心受压承载力计算公式,理论计算结果与试验结果吻合良好.

关键词: GFRP管, 钢骨混凝土, 组合柱, 轴心受压, 计算公式

Abstract: GFRP tube filled with steel-reinforced concrete short column as a newly developed composite member named GSC column is proposed, which consists of an outer tube made from glass fiber reinforced polymer (GFRP), steel reinforcement as corn and concrete inside the tube. The axial loading tests including five GSC columns were done to investigate the mechanical properties of them. With the calculation of bearing capacity of GSC column programmed taking the percentage of steel reinforcement, GFRP tube thickness and strength of concrete as the main parameters, nine GSC members were computed to obtain the relationships between axial load and strain. The results showed that the bearing capacity of GSC columns enhances obviously with the increase of the three main parameters. The calculating formulae were thus given to the bearing capacity of GSC column, including two different methods, i.e., the simple superposition and unified theory. Both the calculation results conform well with test results.

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