Experimental Research on Mechanical Properties of Steel Reinforced Concrete Columns with New Shear Connectors Under Axial Compression

LI Guochang; CAO Kaiqi; YANG Zhijian; QIU Zengmei

doi:10.13204/j.gyjzG21031004

Volume 52 Issue 5

Jul. 2022

Turn off MathJax

Article Contents

Article Navigation > INDUSTRIAL CONSTRUCTION > 2022 > 52(5): 106-112,139

LI Guochang, CAO Kaiqi, YANG Zhijian, QIU Zengmei. Experimental Research on Mechanical Properties of Steel Reinforced Concrete Columns with New Shear Connectors Under Axial Compression[J]. INDUSTRIAL CONSTRUCTION, 2022, 52(5): 106-112,139. doi: 10.13204/j.gyjzG21031004

Citation:

LI Guochang, CAO Kaiqi, YANG Zhijian, QIU Zengmei. Experimental Research on Mechanical Properties of Steel Reinforced Concrete Columns with New Shear Connectors Under Axial Compression[J]. INDUSTRIAL CONSTRUCTION, 2022, 52(5): 106-112,139. doi: 10.13204/j.gyjzG21031004

Citation:

LI Guochang, CAO Kaiqi, YANG Zhijian, QIU Zengmei. Experimental Research on Mechanical Properties of Steel Reinforced Concrete Columns with New Shear Connectors Under Axial Compression[J]. INDUSTRIAL CONSTRUCTION, 2022, 52(5): 106-112,139. doi: 10.13204/j.gyjzG21031004

PDF( 6970 KB)

Experimental Research on Mechanical Properties of Steel Reinforced Concrete Columns with New Shear Connectors Under Axial Compression

doi: 10.13204/j.gyjzG21031004

School of Civil Engineering, Shenyang Jianzhu University, Shenyang 110168, China

Received Date: 2021-03-10
Available Online: 2022-07-23
Publish Date: 2022-07-23

Abstract

Abstract

In order to study the influence of new shear connectors on the mechanical properties of steel reinforced concrete columns under axial compression, six short steel reinforced concrete columns with new shear connectors were tested under axial compression with the form and spacing of shear connectors as variable parameters. The failure mode, load-displacement curve, load-strain curve, ductility coefficient and axial force distribution of the specimens were analyzed. The results showed that the setting of stud, π-type perforated panel and π-type CR shear connector had a great influence on the proportion of concrete bearing load in the strong restraint area, and the ductility of the specimens was improved. The ductility of SRCDC-1 with π-type crestbond shear connector was the best and its ductility coefficient was increased by 8.4% compared with the specimens without shear connector. Finally, the bearing capacity of Steel reinforced concrete columns with new shear connectors under axial compression was calculated on the basis of considering the restraint effect of stirrups and section steel on concrete, and relevant calculation suggestions were given.
- shear connector,
- steel reinforced concrete column,
- axial compression,
- experimental study,
- bearing capacity

FullText(HTML)

References(29)

References

[1]	陈宗梁,张誉,李向民.钢骨高强混凝土柱合理用钢量的研究[J].建筑结构, 1999, 29(7):14-16.
[2]	银英姿,赵根田,申向东.钢骨高强混凝土轴心受压短柱的试验研究[J].工业建筑, 2008, 38(增刊1):575-578.
[3]	刘阳,郭子雄,许鹏红,等.核心型钢混凝土柱轴压性能试验研究[J].建筑结构学报, 2015, 36(4):68-74.
[4]	LAI B L, LIEW J Y R, XIONG M X. Experimental study on high strength concrete encased steel composite short columns[J]. Construction and Building Materials, 2019, 228:116640.
[5]	周中一,曹万林,惠存.工字形截面型钢混凝土短柱受压性能研究[J].建筑结构, 2017, 47(2):43-47 ,63.
[6]	薛伟辰,丁敏,王骅,等.单调荷载下栓钉连接件受剪性能试验研究[J].建筑结构学报, 2009, 30(1):95-100.
[7]	薛伟辰,代燕,周良,等.开孔板连接件受剪性能试验研究[J].建筑结构学报, 2009, 30(5):103-111.
[8]	KIM S H, CHOI K T, PARK S J, et al. Experimental shear resistance evaluation of Y-type perfobond rib shear connector[J]. Journal of Constructional Steel Research, 2013, 82:1-18.
[9]	YAN L B, HAN B, FAN L, et al. Fatigue damage of PBH shear connector of steel-concrete composite structure[J]. Engineering Structures, 2020, 213:110540.
[10]	XU X Q, ZHOU X H, LIU Y Q. Behavior of rubber-sleeved stud shear connectors under fatigue loading[J]. Construction and Building Materials, 2020, 244:118386.
[11]	孙兴全,刘凡,袁晓静.开孔波折板连接件在组合柱中连接性能的有限元分析[J].苏州科技学院学报(工程技术版), 2014, 27(4):15-19.
[12]	张春雷,王初翀,唐丽娜.大长宽比钢骨混凝土短柱腹板栓钉配置数值模拟[J].四川建筑, 2016, 36(4):162-165.
[13]	ZHU W Q, JIA J Q, GAO J C, et al. Experimental study on steel re-inforced high-strength concrete columns under cyclic lateral force and constant axial load[J]. Engineering Structures, 2016, 125:191-204.
[14]	YANG Y, CHEN Y, FENG S Q. Study on behavior of partially prefabricated steel reinforced concrete stub columns under axial compression[J]. Engineering Structures, 2019, 199. DOI: 10.1016/j.engstruct.2019.109630.
[15]	邓文琴,张建东,刘朵,等.开孔板和栓钉连接件抗剪性能试验研究及承载力计算[J].东南大学学报(自然科学版), 2018, 48(3):463-469.
[16]	丁发兴,倪鸣,龚永智,等.栓钉剪力连接件滑移性能试验研究及受剪承载力计算[J].建筑结构学报, 2014, 35(9):98-106.
[17]	李帼昌,王哲渊,杨志坚,等. π形开孔板连接件受剪性能试验研究[J].建筑结构学报, 2021, 42(2):131-141.
[18]	李帼昌,石先硕,许伟,等. T-CR连接件抗剪承载力有限元分析[J].沈阳建筑大学学报(自然科学版), 2019, 35(1):30-38.
[19]	中华人民共和国国家质量监督检验检疫总局.金属材料拉伸试验第1部分:室温试验方法:GB/T 228.1-2010[S].北京:中国标准出版社, 2011.
[20]	CHEN C C, LIN N J. Analytical model for predicting axial capacity and behavior of concrete encased steel composite stub columns[J]. Journal of Constructional Steel Research, 2006, 62(5):424-433.
[21]	过镇海.混凝土的强度和本构关系:原理与应用[M].北京:中国建筑工业出版社, 1999:9-94.
[22]	MANDER J A B, PRIESTLEY M J N. Theoretical stress-strain model for confined concrete[J]. Journal of Structural Engineering, 1988, 114(8):1804-1826.
[23]	赵宪忠,温福平.钢骨约束混凝土的约束机制及其应力-应变模型建立[J].工程力学, 2018, 35(5):36-46.
[24]	ZHAO X, WEN F, CHAN T M, et al. Theoretical stress-strain model for concrete in steel-reinforced concrete columns[J]. Journal of Structural Engineering, 2019, 145(4). DOI:10.1061/(ASCE) ST.1943-541X.0002289.
[25]	刘维亚.钢与混凝土组合结构[M].北京:中国建筑工业出版社, 2008.
[26]	中华人民共和国住房和城乡建设部.组合结构设计规范:JGJ 138-2016[S].北京:中国建筑工业出版社, 2016.
[27]	CEN. Eurocode 4(EC4), design of composite steel and concrete structures-part1-1:general rules and rules for buildings[S]. Brussels:CEN, 2004.
[28]	ACI 318 Committee. Building code requirements for structural concrete (ACI 318-14) and commentary (318R-14)[S]. Farmington Hills, MI:American Concrete Institute, 2014.
[29]	CHEN S W, WU P. Analytical model for predicting axial compressive behavior of steel reinforced concrete column[J]. Journal of Constructional Steel Research, 2017, 128:649-660.