HRBF500钢筋及纤维增强水泥基复合材料空心柱受压试验研究

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基金项目:

国家863计划项目(2008AA030704)

EXPERIMENTAL STUDY ON HRBF500 AND FIBER REINFORCED CEMENTITIOUS COMPOSITES HOLLOW COLUMNS UNDER ECCENTRIC LOADING

1.
1. Key Laboratory of Concrete and Prestressed Concrete Structure of Ministry of Education,Southeast University,Nanjing 210096,China;
2.
2. Nantong Institute of Planning and Design Co.Ltd,Nantong 226000,China;
3.
3. Lanzhou Air Force Prospect and Design Institute,Lanzhou 730020,China

摘要: 通过对8根HRBF500钢筋与纤维增强水泥基复合材料构成的空心柱的受压静载试验,研究不同偏心距、配筋率和纤维种类条件下,受压柱荷载-挠度曲线、荷载-钢筋应变曲线、荷载-水泥基材应变曲线以及破坏形态的特点,并验证平截面假定。试验结果表明:这种空心柱在偏心荷载作用下具有良好的变形能力和较高的承载力,其设计方法和普通高强混凝土柱基本一致,满足现行规范GB 500102010的要求。
- HRBF500 /
- 纤维增强水泥基复合材料 /
- 空心柱 /
- 偏心受压
Abstract: Eight HRBF500 and fiber reinforced cementitious composites hollow columns under eccentric loading were tested to study the effects of experimental parameters,such as eccentricity distance,reinforcement ratio and fiber types,the load-deflection curves,the load-strain curves of the steel bar,the load-strain curves of the cementitious materials and failure characters;and the plane cross-section assumption was verified．The results showed that HRBF500 and fiber reinforced cementitious composites hollow columns had good deformation capacity and high bearing capacity under eccentric loads．Their design method was generally consistent with normal high strength concrete columns,satisfying the requirements of current code GB 50010－2010．
- HRBF500 /
- fiber reinforced cementitious composites (FRC ) /
- hollow columns /
- monotonous eccentric compression