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《建筑科学与工程学报》[ISSN:1673-2049/CN:61-1442/TU]

卷:

41卷

期数:

2024年01期

页码:

171-180

栏目:

建筑结构

出版日期:

2024-01-20

文章信息/Info

Title:

Experimental study on bond performance between rubber concrete and deformed steel bar

文章编号:

1673-2049(2024)01-0171-10

作者:

颜 岩¹,章德越¹,马从伟²,王迎斌¹,白应华¹

(1. 湖北工业大学 土木建筑与环境学院,湖北 武汉 430068; 2. 西藏交通勘察设计研究院有限公司,西藏 拉萨 850000)

Author(s):

YAN Yan¹, ZHANG Deyue¹, MA Congwei², WANG Yingbin¹, BAI Yinghua¹

(1. School of Civil Engineering, Architecture and Environment, Hubei University of Technology, Wuhan 430068, Hubei, China; 2. Xizang Transportation Survey and Design Institute Co. Ltd., Lhasa 850000, Xizang, China)

关键词:

变形钢筋;  橡胶混凝土;  黏结性能;  黏结应力-滑移本构关系;  位置函数

Keywords:

deformed steel bar;  rubber concrete;  bond performance;  bond stress-slip constitutive relation;  position function

分类号:

TU528

DOI:

10.19815/j.jace.2022.04020

文献标志码:

A

摘要:

共设计制作9组试件,对钢筋内贴应变片的试件进行拉拔试验,系统研究了橡胶体积取代率、钢筋直径、锚固长度对变形钢筋与橡胶混凝土黏结性能的影响。观察了试件破坏形态并通过计算得出试件极限黏结应力和滑移量,得到了不同因素下黏结应力、相对滑移分布规律以及不同锚固位置处的黏结应力-滑移曲线。建立了考虑橡胶体积取代率下变形钢筋与橡胶混凝土黏结应力-滑移本构关系模型; 通过对相同滑移值下不同位置(距自由端距离)处黏结应力的量纲一化处理,得到了不同橡胶体积取代率下的变形钢筋与橡胶混凝土的黏结位置函数。结果表明:橡胶体积取代率增加,极限黏结应力减小,对应加载端滑移量先增加后减少; 钢筋直径、锚固长度增大均会导致极限黏结应力减小,对应加载端滑移量减少; 对比各位置处黏结应力-滑移曲线发现,橡胶体积取代率增加、钢筋直径及锚固长度增大均会加剧黏结应力的不均匀分布; 相对滑移量会随着橡胶体积取代率增加而增加,随着钢筋直径、锚固长度的增大而减少。

Abstract:

A total of 9 groups of specimens were designed and made, and the pull-out test on the specimen with sticking strain gauge on the steel bar was carried out. The effects of rubber volume substitution rate, steel bar diameter and anchorage length on the bonding performance between deformed steel bar and rubber concrete were systematically studied. The failure modes of the specimens were observed and the ultimate bond stress and slip of the specimens were calculated. The distribution of bond stress, relative slip and bond stress-slip curves at different anchorage positions were obtained under different factors. A constitutive model of bond stress-slip relationship between deformed steel bar and rubber concrete considering rubber volume substitution ratio was established. By dimensionless treatment of bond stress at different locations(distance from free end)with the same slip value, the bond position function between deformed steel bar and rubber concrete with different rubber volume substitution ratios was obtained. The results show that the ultimate bonding stress decreases with the increase of rubber volume substitution ratio and the corresponding slip at loading end increases first and then decreases. Increasing the diameter of steel bar and the length of anchorage will reduce the ultimate bond stress and the corresponding slip at loading end. Comparing the bond stress-slip curves at different locations, it is found that the uneven distribution of bond stress will be aggravated by the increase of rubber volume substitution ratio, the increase of steel bar diameter and anchorage length. Relative slip increases with the increase of rubber volume substitution rate and decreases with the increase of steel bar diameter and anchorage length.

参考文献/References:

[1] 梅大鹏.废旧轮胎在道路工程中的应用研究[J].中国轮胎资源综合利用,2017(8):31-34.
MEI Dapeng.Study on the application of waste tires in road engineering[J].China Tire Resources Recycling,2017(8):31-34.
[2]王一泓,陈 超,黄梦龙.钢纤维改性橡胶混凝土与变形钢筋的粘结性能[J].硅酸盐通报,2021,40(10):3396-3404.
WANG Yihong,CHEN Chao,HUANG Menglong.Bonding properties of steel fiber modified crumb rubber concrete and deformed bar[J].Bulletin of the Chinese Ceramic Society,2021,40(10):3396-3404.
[3]薛 刚,周海峰,刘效武,等.冻融环境下橡胶混凝土与钢筋黏结性能的试验研究[J].工业建筑,2021,51(7):107-112.
XUE Gang,ZHOU Haifeng,LIU Xiaowu,et al.Experimental study on bond properties between rubber concrete and rebars in the freeze-thaw environment[J].Industrial Construction,2021,51(7):107-112.
[4]GREGORI A,CASTORO C.Modelling mechanical properties and bond behaviour of rubbercrete[J].Construction and Building Materials,2021,305:124735.
[5]袁 群,冯凌云,曹宏亮,等.橡胶混凝土的应力-应变曲线试验[J].建筑科学与工程学报,2013,30(3):96-100.
YUAN Qun,FENG Lingyun,CAO Hongliang,et al.Experiment on stress-strain curve of rubber concrete[J].Journal of Architecture and Civil Engineering,2013,30(3):96-100.
[6]张 军.CRC与钢筋粘结锚固性能的试验研究及CRC构件受力探讨[D].天津:天津大学,2006.
ZHANG Jun.Experimental investigation on bond properties between CRC and bars and pilot study on CRC structures[D].Tianjin:Tianjin University,2006.
[7]GESOGLU M,GUNEYISI E,HANSU O,et al.Influence of waste rubber utilization on the fracture and steel-concrete bond strength properties of concrete[J].Construction and Building Materials,2015,101:1113-1121.
[8]PALOS A,D'SOUZA N A,SNIVELY C T,et al.Modification of cement mortar with recycled ABS[J].Cement and Concrete Research,2001,31(7):1003-1007.
[9]张卫东,王振波,何卫忠.GFRP筋与橡胶混凝土粘结性能试验研究[J].玻璃钢/复合材料,2015(8):71-74.
ZHANG Weidong,WANG Zhenbo,HE Weizhong.Experimental study on bond behavior of GFRP rebars and rubberized concrete[J].Fiber Reinforced Plastics/Composites,2015(8):71-74.
[10]肖小琼.锈蚀钢筋混凝土粘结性能试验研究[D].长沙:中南大学,2011.
XIAO Xiaoqiong.Experimental study on bond performance of corroded reinforced concrete[D].Changsha:Central South University,2011.
[11]陕 亮.钢-聚丙烯混杂纤维高强混凝土与变形钢筋粘结性能研究[D].武汉:武汉大学,2016.
SHAN Liang.Bond behavior between steel-polypropylene hybrid fiber-reinforced high strength concrete and deformed bar[D].Wuhan:Wuhan University,2016.
[12]HASKETT M,OEHLERS D J,MOHAMED ALI M S.Local and global bond characteristics of steel reinforcing bars[J].Engineering Structures,2008,30(2):376-383.
[13]MO K H,VISINTIN P,ALENGARAM U J,et al.Bond stress-slip relationship of oil palm shell lightweight concrete[J].Engineering Structures,2016,127:319-330.
[14]徐有邻,沈文都,汪 洪.钢筋砼粘结锚固性能的试验研究[J].建筑结构学报,1994,15(3):26-37.
XU Youlin,SHEN Wendu,WANG Hong.An experimental study of bond-anchorage properties of bars in concrete[J].Journal of Building Structures,1994,15(3):26-37.
[15]HARAJLI M,HAMAD B,KARAM K.Bond-slip response of reinforcing bars embedded in plain and fiber concrete[J].Journal of Materials in Civil Engineering,2002,14(6):503-511.
[16]HARAJLI M H.Numerical bond analysis using experimentally derived local bond laws:a powerful method for evaluating the bond strength of steel bars[J].Journal of Structural Engineering,2007,133(5):695-705.
[17]王晨霞,张梦培,曹芙波,等.锈蚀钢筋与再生混凝土粘结性能[J].沈阳建筑大学学报(自然科学版),2020,36(5):877-885.
WANG Chenxia,ZHANG Mengpei,CAO Fubo,et al.Bonding properties of corroded steel bar and recycled concrete[J].Journal of Shenyang Jianzhu University(Natural Science),2020,36(5):877-885.
[18]赵羽习,金伟良.钢筋与混凝土粘结本构关系的试验研究[J].建筑结构学报,2002,23(1):32-37.
ZHAO Yuxi,JIN Weiliang.Test study on bond stress-slip relationship of concrete and steel bar[J].Journal of Building Structures,2002,23(1):32-37.
[19]徐有邻.钢筋混凝土粘滑移本构关系的简化模型[J].工程力学,1997,14(增2):34-38.
XU Youlin.A simplified model for the constitutive relationship of adhesive slip in reinforced concrete[J].Engineering Mechanics,1997,14(S2):34-38.
[20]曹芙波,王 宇,王 健,等.锈蚀钢筋再生混凝土黏结滑移梁式试验研究[J].建筑结构学报,2016,37(5):297-305.
CAO Fubo,WANG Yu,WANG Jian,et al.Experimental study on bond-slip behavior of recycled concrete beam reinforced with corroded bars[J].Journal of Building Structures,2016,37(5):297-305.

相似文献/References:

备注/Memo

备注/Memo:

收稿日期:2023-04-09
基金项目:国家自然科学基金项目(52008158)
作者简介:颜 岩(1984-),男,工学博士,讲师,硕士生导师,E-mail:y6013810@163.com。
通信作者:白应华(1975-),男,副教授,硕士生导师,E-mail:yhbai750608@163.com。

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更新日期/Last Update: 2024-01-25