[1]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.[doi:10.3969/j.issn.1001-0505.2018.03.013]
 Deng Wenqin,Zhang Jiandong,Liu Duo,et al.Experimental behaviors and shear bearing capacity calculation of perfobond rib with head stud connectors[J].Journal of Southeast University (Natural Science Edition),2018,48(3):463-469.[doi:10.3969/j.issn.1001-0505.2018.03.013]
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开孔板和栓钉连接件抗剪性能试验研究及承载力计算()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
48
期数:
2018年第3期
页码:
463-469
栏目:
土木工程
出版日期:
2018-05-20

文章信息/Info

Title:
Experimental behaviors and shear bearing capacity calculation of perfobond rib with head stud connectors
作者:
邓文琴1张建东123刘朵4顾建成3胡隽1黄国斌5
1华中科技大学土木工程与力学学院, 武汉430074; 2东南大学土木工程学院, 南京210096; 3南京工业大学土木工程学院, 南京211816; 4苏交科集团股份有限公司, 南京211112; 5宁波市鄞州区交通投资有限公司, 宁波 330200
Author(s):
Deng Wenqin1 Zhang Jiandong123 Liu Duo4 Gu Jiancheng3 Hu Jun1 Huang Guobin5
1School of Civil Engineering and Mechanics, Huazhong University of Science and Technology, Wuhan 430074, China
2School of Civil Engineering, Southeast University, Nanjing 210096, China
3College of Civil Engineering, Nanjing Technology University, Nanjing 211816, China
4Jiangsu Transportation Research Institute, Nanjing 211112, China
5Ningbo Yinzhou District Traffic Investment Co., Ltd, Ningbo 330200, China
关键词:
组合桥梁 栓钉连接件 开孔钢板连接件 推出试验
Keywords:
composite bridge head stud connector perfobond rib connector push-out test
分类号:
TU398.902;TU317.1
DOI:
10.3969/j.issn.1001-0505.2018.03.013
摘要:
为了研究开孔钢板+栓钉连接件的抗剪性能,以栓钉直径和贯穿钢筋直径为变化参数,进行了5组共10个模型试件的抗剪承载力试验.基于国内外53个栓钉和96个开孔钢板模型试验结果提出了开孔板和栓钉连接件抗剪承载力计算式.研究结果表明:弹性阶段试件抗剪承载力由栓钉和开孔钢板连接件共同承担,栓钉失效后承载力出现迅速下降随后保持不变,该阶段抗力主要由孔内贯穿钢筋承担并表现出良好的延性;随栓钉和贯穿钢筋直径的增加试件抗剪承载力及初始刚度均提高,而延性则减小;采用栓钉连接件和开孔钢板连接件叠加作用以及考虑1.25倍安全系数的承载力计算公式,其计算值与试验结果吻合较好.
Abstract:
Five groups of perfobond rib with a head stud connector, totally 10 push-out test specimens, were tested to investigate the shear behaviors of perfobond rib with the head stud connector. The parameters included the diameters of the stud and the transverse rebar. An expression for calculating the shear capacity of the perfobond rib with the head stud connector was proposed based on both the 53 test results of the head stud connector and 96 test results of the perfobond rib connector. The results show that the shear resistance is sustained by both the stud and the perfobond connector in the elastic phase. After the failure fracture of the stud, the bearing capacity decreases rapidly and then remains stable, the shear resistance is mainly sustained by the transverse rebar shorn off by a good ductility. The shear bearing capacity and the initial stiffness of the perfobond rib with the head stud connector can be enhanced by increasing the diameter of the stud and the transverse rebar while the ductility decreases. Based on the shear capacity calculated by the formula considering 1.25 times of safety factor, the calculated results considering the superimposed effects on the head stud connector and the perfobond rib connector are in good agreement with the experimental ones.

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备注/Memo

备注/Memo:
收稿日期: 2017-11-27.
作者简介: 邓文琴(1991—),女,博士生;张建东(联系人),男,博士,教授,博士生导师,chockt@gmail.com.
基金项目: 国家自然科学基金资助项目(51478107,51478288)、浙江省交通运输厅科研计划资助项目(2016023).
引用本文: 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. DOI:10.3969/j.issn.1001-0505.2018.03.013.
更新日期/Last Update: 2018-05-20