玻璃纤维增强钢管混凝土组合柱轴压试验及理论研究

王晓璐; 查晓雄; 仓友清; 余敏

doi:10.13204/j.gyjz201106005

玻璃纤维增强钢管混凝土组合柱轴压试验及理论研究

doi: 10.13204/j.gyjz201106005

1.
哈尔滨工业大学深圳研究生院,广东深圳518055

详细信息

作者简介:
第一作者：王晓璐, 女, 1982年出生, 博士研究生。E-mail：hit_wangxiaolu@163.com

中图分类号: TU398.9
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- 文章访问数: 117
- HTML全文浏览量: 19
- PDF下载量: 90
- 被引次数: 0
出版历程
- 收稿日期: 2011-02-12
- 刊出日期: 2011-06-20

EXPERIMENTAL AND THEORETICAL RESEARCH ON GFRP-CFST COMPOSITE COLUMN UNDER AXIAL COMPRESSIVE LOAD

1.
Shenzhen Graduate School,Harbin Institute of Technology,Shenzhen 518055,China

摘要

摘要: 为研究玻璃纤维增强(GFRP)钢管混凝土组合柱的受力性能，进行6根外缠GFRP的钢管混凝土轴压短柱和1根钢管混凝土柱的对比试验。结果表明，以外缠GFRP的钢管作为混凝土的约束，将显著提高核心混凝土的承载能力，90和45交叉缠绕GFRP的钢管混凝土组合柱的极限承载力较钢管混凝土柱分别提高40.9%和27.3%。对GFRP钢管混凝土组合柱在轴压荷载下的静力性能进行理论研究，提出组合柱极限承载力设计公式及应力-应变关系的理论模型，其结果与试验值吻合较好。
- GFRP /
- 钢管 /
- 组合柱 /
- 轴压试验 /
- 理论模型
Abstract: The axial compression tests on six CFST columns reinforced by GFRP and one contrast specimen of CFST column are done in this article, to research the mechanical behavior of this composite member.Experimental results indicate that, the confinement with filament wound reinforced steel tube can greatly enhance the bearing capacity of composite columns.The carrying capacity of the GFRP strengthened CFST column with 90 and 45 fiber orientation can be raised by 40.9% and 27.3% as compared with CFST column.The mechanical performance of composite columns is also discussed in this paper, and the formula of ultimate bearing capacity and simplified model of stress-strain relation of the composite column have been proposed, whose results are in good agreement with the test results.
- GFRP /
- steel tube /
- composite column /
- compressive test /
- theoretical model

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参考文献(10)

[2] 钱稼茹,刘明学. FRP -混凝土-钢双壁空心管短柱轴心抗压试验研究[J].建筑结构学报,2008,29(2):104-113.

Teng J G, Yu T, Wong Y L, et al. Hybrid FRP-Concrete-Steel?Tubular Columns: Concept and Behavior[J]. Construction and?Building Materials,2007,21(4):846-854.

[3] 王连广,秦国鹏,周乐. GFRP 管钢骨高强混凝土组合柱轴心受压试验研究[J].工程力学,2009,26(9):170-175.

[4] Yu M, Zha X X, Ye J, et al. A Unified Formulation for Hollow?and Solid Concrete-Filled Steel Tube Columns Under Axial?Compression[J]. Engineering Structures,2010,32:1046-1053.

[5] 顾威,关崇伟,赵颖华,等.圆 CFRP 钢复合管混凝土轴压短柱试验研究[J].沈阳建筑工程学院学报:自然科学版,2004(2):118-120.

[6] 陶忠,庄金平,于清. FRP 约束钢管混凝土轴压构件力学性能研究[J].工业建筑,2005,35(9):20-23.

[7] Xiao Y, He W, Choi K. Confined Concrete-Filled Tubular?Columns[J]. Journal of Structure Engineering, ASCE,2005,131:488-497.

[8] Li H, Yan X, Ou J P. Compressive Behavior and Nonlinear?Analysis of Self-Sensing Concrete-Filled FRP Tubes and FRP-Steel?Composite Tubes [C]//Proceedings of 8 th International?Symposium on Fiber Reinforced Polymer Reinforcement for?Concrete Structures (FRPRCS -8). Greece:2007.

[9] 钟善桐.钢管混凝土统一理论研究与应用[M].北京:清华大学出版社,2006.

[10] Lam L, Teng J G. Design-Oriented Stress Strain Model for?FRP-Confined Concrete [J]. Construction and Building Materials,2003(17):471-489.

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