PVC-CFRP约束型钢混凝土中长柱轴压试验研究

董云龙; 陶清林; 马强; 孔炯; 高志杰

doi:10.3724/j.gyjzG25061803

PVC-CFRP约束型钢混凝土中长柱轴压试验研究

doi: 10.3724/j.gyjzG25061803

1. 安徽工业大学建筑工程学院, 安徽马鞍山 243002;
2. 安徽景柏欣苑建筑科技有限公司, 合肥 230093;
3. 中国十七冶集团有限公司技术中心, 安徽马鞍山 243000

基金项目:

安徽省高校委托重点项目（2022AH050342）；安徽省博士后研究人员科研活动经费资助项目（2021B525）。

详细信息

作者简介:
董云龙,硕士研究生,主要从事钢与混凝土组合结构研究,2482467475@qq.com。

通讯作者:
陶清林,博士,副教授,硕士生导师,主要从事钢与混凝土组合结构研究,taoqinglin@ahut.edu.cn。

计量
- 文章访问数: 32
- HTML全文浏览量: 9
- PDF下载量: 0
- 被引次数: 0
出版历程
- 收稿日期: 2025-06-18
- 网络出版日期: 2026-11-06

Experimental Study on Axial Compression of PVC-CFRP Restrained Profile Concrete Medium-Length Columns

1. College of Civil Engineering, Anhui University of Technology, Ma'anshan 243002, China;
2. Anhui Jingbai Xinyuan Building Technology Co., Hefei 230093, China;
3. Technology Center, China MCC17 Group Co., Ltd., Ma'anshan 243000, China

摘要

摘要: 通过9根PVC-CFRP约束型钢混凝土中长柱轴压试验，获得了试件的破坏过程、破坏形态、荷载-位移曲线、荷载-应变曲线，探讨了长细比、混凝土强度等级、CFRP条带距宽比和含钢率等因素对轴压性能的影响，分析了试件轴压荷载作用下各材料间的协同作用。结果表明：减小长细比、提高混凝土强度、减小CFRP条带距宽比以及增加含钢率均能有效提升试件的承载力；极限轴向应变随长细比的增大而增大，而与其他影响因素呈反比，其中，CFRP条带距宽比的影响最为显著，当距宽比从2增大至3时，极限轴向应变减小22.1%；PVC管、CFRP条带和型钢的应变变化趋势基本一致，表明PVC-CFRP约束型钢混凝土柱在受力过程中各组成材料能够良好地协同工作。
- PVC-CFRP管 /
- 型钢混凝土 /
- 中长柱 /
- 轴压 /
- 应变分析
Abstract: Through the axial compression test of nine PVC-CFRP restrained steel and concrete medium-length columns， the damage process， damage pattern， load-displacement curve and load-strain curve of the specimens were obtained， and the effects of factors such as slenderness ratio， concrete strength grade， CFRP strip spacing ratio and steel content on the axial compression performance were investigated， and the synergistic effect among materials under axial compression loading of the specimens was analyzed. The results show that： decreasing the aspect ratio， increasing the concrete strength， decreasing the CFRP strip spacing ratio， and increasing the steel content can effectively improve the load carrying capacity of the specimens； the ultimate axial strain increases with the increase of the aspect ratio and is inversely proportional to the other influencing factors， among which， the effect of the CFRP strip spacing ratio is the most significant， and when the spacing ratio is increased from 2 to 3， the ultimate axial strain decreases by 22.1%； the PVC pipe， CFRP strips and steel sections have basically the same trend of strain change， indicating that the constituent materials of PVC-CFRP restrained section steel concrete columns can work well together in the stressing process.
- PVC-CFRP pipe /
- profiled concrete /
- medium-length column /
- axial compression /
- strain analysis

HTML全文

参考文献(27)

[1]	赵慧玲,叶志明.钢-混凝土组合结构抗震性能研究进展[J].力学与实践,2014,36(1):1-8.
[2]	丁发兴,许云龙,王莉萍,等.钢-混凝土组合结构抗震性能研究进展[J].钢结构(中英文),2023,38(12):1-26.
[3]	WAGH S A,WAGHE U P. Comparative study of RCC and steel concrete composite structures[J]. Journal of Engineering Research and Applications,2014,4(4):369-376.
[4]	李宁,张双城,李忠献,等.预制拼装钢管混凝土自复位桥墩变形分析模型及验证[J].工程力学,2020,37(4):135-143.
[5]	ZHOU X,CAO L,XIE W,et al. DNN surrogate model-based cable force optimization for cantilever erection construction of large span arch bridge with concrete filled steel tube[J]. Advances in Engineering Software,2024,189:103588.
[6]	PENG J L,HO C M,CHANG Y P,et al. Study on collapse of steel-reinforced concrete structure caused by self-weight during construction[J]. Journal of Constructional Steel Research,2019,156:276-286.
[7]	刘军,张志强.钢管混凝土结构体系在超高层建筑中的应用研究与综述[J].江苏建筑,2015(4):18-22.
[8]	ZHAO H,WANG R,LAM D,et al. Behaviours of circular CFDST with stainless steel external tube:slender columns and beams[J]. Thin-Walled Structures,2021,158:107172.
[9]	CI J,JIA H,AHMED M,et al. Experimental and numerical analysis of circular concrete-filled double steel tubular stub columns with inner square hollow section[J]. Engineering Structures,2021,227:111400.
[10]	刘永行,杨红霞.钢管混凝土结构的研究与应用[J].延安大学学报(自然科学版),2009,28(2):65-68.
[11]	王庆利,车媛,谭鹏宇,等. CFRP-钢管混凝土结构研究的进展与展望[C]//第19届全国结构工程学术会议论文集.济南:2010:114-128.
[12]	WANG W,SHEIKH M N,HADI M N S,et al. Behaviour of concrete-encased concrete-filled FRP tube (CCFT) columns under axial compression[J]. Engineering Structures,2017,147:256-268.
[13]	于峰,武萍. FRP-混凝土组合柱研究进展[J].安徽工业大学学报(自然科学版),2013,30(3):285-291.
[14]	杨博.浅谈CFRP筒混凝土结构[J].城市建设理论研究(电子版),2011(27):1-3.
[15]	侯勇.碳纤维增强材料在道路桥梁维修与加固中的应用研究[J].工程与建设,2024,38(4):908-909.
[16]	戚玉喜,兰江.桥梁工程碳纤维加固技术的应用[J].运输经理世界,2020(8):68-69.
[17]	WONG Y L,YU T,TENG J G,et al. Behavior of FRP-confined concrete in annular section columns[J]. Composites Part B:Engineering,2008,39(3):451-466.
[18]	HUANG L,SUN X,YAN L,et al. Compressive behavior of concrete confined with GFRP tubes and steel spirals[J]. Polymers,2015,7(5):851-875.
[19]	NEMATZADEH M,FALLAH-VALUKOLAEE S. Experimental and analytical investigation on structural behavior of two-layer fiber-reinforced concrete beams reinforced with steel and GFRP rebars[J]. Construction and Building Materials,2021,273:121933.
[20]	ZHANG B,SUN J,ZHANG S,et al. Compressive behavior of concrete-filled FRP tubes with FRP solid waste as recycled aggregates:Experimental study and analytical modelling[J]. Journal of Building Engineering,2024,95:110297.
[21]	GONZÁLEZ C,VILATELA J J,MOLINA-ALDAREGUÍA J M,et al. Structural composites for multifunctional applications:Current challenges and future trends[J]. Progress in Materials Science,2017,89:194-251.
[22]	SBAHIEH S,RABIE M,EBEAD U,et al. The mechanical and environmental performance of fiber-reinforced polymers in concrete structures:opportunities,challenges and future directions[J]. Buildings,2022,12(9):1417.
[23]	叶列平,冯鹏. FRP在工程结构中的应用与发展[J].土木工程学报,2006,39(3):24-36.
[24]	于峰,牛荻涛. PVC-FRP管钢筋混凝土柱轴压比限值研究[J].玻璃钢/复合材料,2018(2):5-7.
[25]	于峰,牛荻涛. PVC-CFRP管钢筋混凝土轴压短柱试验研究[J].建筑结构学报,2013,34(6):129-136.
[26]	王忠文.轴压PVC-FRP管混凝土短柱力学性能研究[D].西安:西安建筑科技大学,2008.
[27]	GAO C,HUANG L,YAN L,et al. Strength and ductility improvement of recycled aggregate concrete by polyester FRP-PVC tube confinement[J]. Composites Part B:Engineering,2019,162:178-197.