Restoring force model of corroded stirrup concrete columns reinforced with epiboly profiled steel

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Journal of Vibration and Shock ›› 2023, Vol. 42 ›› Issue (17) : 284-293.

LI Qiang1,2, DONG Jiahui1, CHANG Diwen1, JIN Yukun1

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Abstract

In order to study the restoring force model of concrete columns corroded by stirrups after conglutinated steel reinforcement, nine concrete columns with different stirrup corrosion rates and volumetric stirrup ratios were subjected to electrified corrosion, reinforcement after completion of corrosion, and then the low-cycle reciprocating load test was carried out. Secondly, the skeleton curve and hysteresis curve of each test specimen were analyzed. On the basis of calculating the characteristic parameters of the restoring force model of the intact specimen, the data were fitted and regressed. Finally, degenerate trilinear restoring force model of stirrup corroded concrete column after conglutinated steel reinforcement was given, and the calculation formula of characteristic parameters under different factors was proposed. The results show that the seismic performance indexes of corroded stirrup columns strengthened by conglutinated steel are significantly improved, and the failure characteristic points are obviously lagging behind the intact specimens, and the shear failure is the main failure mode. Through the comparative analysis, the obtained model is in good agreement with the experimental results, which can well reflect the hysteretic characteristics of the conglutinated steel reinforced column and provide reference for the calculation of the restoring force model of such column.

Key words

conglutinated steel reinforcement / corroded stirrups / restoring force model / low cyclic loading test

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LI Qiang1,2, DONG Jiahui1, CHANG Diwen1, JIN Yukun1. Restoring force model of corroded stirrup concrete columns reinforced with epiboly profiled steel[J]. Journal of Vibration and Shock, 2023, 42(17): 284-293

References

[1] 杨淑雁. 锈蚀钢筋混凝土柱在地震作用下的滞回行为研究[D].上海交通大学,2014.
Yang Hongyan.Research on hysteretic behavior of corroded reinforced concrete column under seismic load[D].Shanghai Jiaotong University,2014.
[2] Halil Sezen.Eric Miller. Retrofit of circular reinforced concrete columns using steel and concrete jackets[C].Structures Congress:New Horizons and Better Practices. 2007.
[3] Tastani S P, Pantazopoulou S J. Detailing procedures for seismic rehabilitation of reinforced concrete members with fiber reinforced polymers[J].Engineering Structures,2008,30(2):450-461.
[4] 田飞,李慧民,万婷婷,王静.钢筋混凝土框架结构抗震加固方法应用研究[J].工程抗震与加固改造,2015,02:125-130.
Tian Fei,Li Huimin,Wan Tingting,et al. Application and research of the seismic strengthening method for reinforced concrete structure[J]. Earthquake Resistant Engineering and Retrofitting, 2015,02:125-130.
[5] 田飞.钢筋混凝土结构改造施工中加固方法优选研究[D].西安建筑科技大学,2015.
Tian Fei.The optimization research of strengthening methods of reinforced concrete structures in modification construction[D].Xi'an University of Architectural Science and Technology,2015.
[6] 晋东亮.HPFL 加固受火 RC 梁抗剪力学性能研究[D].湖南大学,2014.
Jin Dongliang.Study on shear behavior of the reinforced concrete beam which is strengthened by the high performacne ferrocement laminate after the fire[D].Hunan University,2014.
[7] 张猛,李瑶亮,王卫仑,赵桂峰.锈蚀钢筋混凝土框架柱恢复力模型研究[J].防灾减灾工程学报,2015,35(04):471-476.
Zhang Meng,Li Yaoliang,Wang Weilun.Study on restoring force model of corroded reinforced concrete frame column[J].Journal of Disaster Prevention and Mitigation Engineering,2015,35(04):471-476.
[8] 梁岩,罗小勇.锈蚀钢筋混凝土压弯构件恢复力模型研究[J].地震工程与工程振动,2013,33(04):202-209.
Liang Yan,Luo Xiaoyong.Research on restoring force model of corroded reinforced concrete flexural and compressive members[J]. Earthquake Engineering and Engineering Dynamics, 2013,33(04):202-209.
[9] 梁岩,罗小勇,陈代海.锈蚀钢筋混凝土构件基于地震损伤的恢复力模型研究[J].振动与冲击,2015,34(05):199-206.
Liang Yan,Luo Xiaoyong.Chen Daihai.Restoring force model of corroded reinforced concrete members undergoing seismic damage[J].Journal of Vibration and Shock, 2015,34(05):199-206.
[10] 牛荻涛,陈新孝,王学民.锈蚀钢筋混凝土压弯构件抗震性能试验研究[J].建筑结构,2004(10):36-38+45.
Niu Ditao,Chen Xinxiao,Wang Xueming.Experimental study on seismic performance of corroded reinforced concrete members with flexure and compression[J].Building Structure, 2004(10):36-38+45.
[11] 孙彬,牛荻涛,王庆霖.锈蚀钢筋混凝土压弯构件非线性有限元分析[J].西安建筑科技大学学报(自然科学版),2005(03):326-331.
Sun Bin,Niu Ditao,Wang Qinglin.Non-linear finite element analysis of corroded RSC compressive and flexural members[J].Journal of Xi'an University of Architecture & Technology(Natural Science Edition),2005(03):326-331.
[12] 陈新孝,牛荻涛,王学民.锈蚀钢筋混凝土压弯构件的恢复力模型[J].西安建筑科技大学学报(自然科学版),2005(02):155-159.
Chen Xinxiao,Niu ditao,Wang Xueming.The force-restoring model of corroded reinforced concrete members with flexure and compression[J].Journal of Xi'an University of Architecture & Technology(Natural Science Edition)2005(02):155-159.
[13] 李耀,尹世平,刘鸣,叶桃.纤维编织网增强混凝土加固RC柱恢复力模型研究[J].应用基础与工程科学学报,2019,27(04):854-867.
Li Yao,Yin Shiping,Liu Ming,et al.Study on the hysteresis model of textile reinforced concrete-strengthened RC columns[J].Journal of Basic Science and Engineering,2019,27(04):854-867.
[14] 刘瑛. 粘钢加固梁柱试验及非线性分析方法研究[D].中国海洋大学,2006.
Liu Ying.Study of experimental and nonlinear analysis method on conglutinated steel reinforced concrete beams and columns[D].Ocean University of China,2006.
[15] 曾严红,顾祥林,张伟平,黄庆华.混凝土中钢筋加速锈蚀方法探讨[J].结构工程师,2009,25(01):101-105.
Zeng Yanhong,Gu Xianglin,Zhang Weiping,et al.Accelerate corrosion technique for reinforcement steel bars in concrete[J].Structural Engineers,2009,25(01):101-105.
[16] GB50367-2013.混凝土结构加固技术规范[S].北京:中国建筑工业出版社，2013.
GB50367-2013.Code for design of strengthening concrete structure[S].Beijing:China Construction Industry Press,2013.
[17] 何政,欧进萍.钢筋混凝土结构非线性分析[M]哈尔滨:哈尔滨工业大学出版社,2007:15-27.
He Zheng,Ou Jinping.Nonlinear analysis of reinforced concrete structures[M].Harbin:Harbin Industrial University Press,2007:15-27.
[18] 白恒宇.圆钢管型钢再生混凝土组合柱滞回性能及恢复力模型研究[D].西安理工大学,2021.
Bai Hengyu,Research of hysteretic behavior and resilience model of composite columns composed of rac-filled circular steel tube and profile steel[D].Xi'an University of Technology,2021.
[19] 陈茗宇. 锈蚀箍筋混凝土压弯构件抗震性能试验与恢复力模型研究[D].西安建筑科技大学,2012.
Chen mingyu.Research of seismic performance and hysteresis model of corroded stirrups confined concrete members with flexure and compression[D].Xi'an University of Architectural Science and Technology,2012