[1]段留省,周天华,苏明周,等.高强钢板 - 螺栓连接副抗拉性能试验研究[J].西安建筑科技大学学报(自然科学版),2019,51(05):704-709.[doi:10.15986/j.1006-7930.2019.010.014]
　DUAN Liusheng,ZHOU Tianhua,SU Mingzhou,et al.Study on the tensile performance of high strength steel plate-bolt assemblies[J].J. Xi’an Univ. of Arch. & Tech.(Natural Science Edition),2019,51(05):704-709.[doi:10.15986/j.1006-7930.2019.010.014]
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高强钢板 - 螺栓连接副抗拉性能试验研究()
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西安建筑科技大学学报（自然科学版）[ISSN:1006-7930/CN:61-1295/TU]

卷:
51
期数:
2019年05期
页码:
704-709
栏目:
出版日期:
2019-12-05

文章信息/Info

Title:
Study on the tensile performance of high strength steel plate-bolt assemblies
文章编号:
1006-7930(2019)05-0704-06
作者:
段留省1; 周天华1; 苏明周2; 李 慧3
(1. 长安大学 建筑工程学院,陕西 西安 710061; 2. 西安建筑科技大学 土木工程学院,陕西 西安 710055; 3. 恒大地产集团西安有限公司,陕西 西安 710000)
Author(s):
DUAN Liusheng1;  ZHOU Tianhua1;  SU Mingzhou2;  LI Hui 3
(1. School of Civil Engineering, Chang’an University, Xi’an 710061, China; 2. School of Civil Engineering, Xi’an Univ. of Arch. & Tech., Xi’an 710055, China; 3.Evergrande Real Estate Group Co., Ltd. Xi’an Branch, Xi’an 710000, China)
关键词:
高强钢;  单边螺栓;  螺栓连接副;  抗拉承载力;  破坏模式
Keywords:
high strength steel;  blind bolts;  bolt assemblies;  the ultimate tensile strength;  failure modes
分类号:
TU391,TU317. 1
DOI:
10.15986/j.1006-7930.2019.010.014
文献标志码:
A
摘要:
为解决现有单边螺栓锚固不足和安装复杂的问题,提出一种高强钢板 - 螺栓连接副.将高强钢板焊成芯筒置于钢管柱内并开孔攻丝,采用普通高强螺栓即可实现与钢梁连接节点的单边张紧.为研究攻丝高强钢板替代螺母的可行性,考察连接副的极限抗拉性能和破坏模式,探讨能够与高强螺栓配合的最优钢板厚度,对一系列不同钢板厚度和螺栓强度等级的钢板 - 螺栓连接副进行单调抗拉试验研究.试验中选取Q460C、Q345B、45号钢三种钢材和M16、M20、M24三种规格10.9级高强螺栓作为研究变量.结果表明,Q460C和Q345B均可以作为45号钢的替代材料,同时满足高强螺栓的强度要求和钢结构的焊接要求,采用强度较高钢材可以减少连接副用钢量.为保证钢板 - 螺栓连接副不发生钢板螺纹滑牙破坏,建议Q460C钢板厚度不宜小于螺栓公称直径d; Q345B钢板厚度不宜小于d+(1～2)mm,不宜采用贴焊加厚的叠合钢板.
Abstract:
In order to solve the insufficient anchorage and complicated installation of blind bolts, the high strength steel plate-bolt assemblies are proposed. For tapping high strength steel core in the tubular column, the ordinary high strength bolts can be one side tightened in the steel tubular column and beam bolted connections. For the purpose of the feasibility of tapping high strength steel plate instead of the nuts, the steel plate-bolt assemblies with different steel plate thickness and bolt grades were studied under the monotonic tensile tests. After the tests, the ultimate tensile strength and the failure modes of the assemblies and the optimum thickness of the plates were also analyzed. The Q460C, Q345B and 45 grades steel plates and the M16, M20 and M24 grades bolts were the variation parameters in the studies. Result shows that the 45 grade steel plates can be replaced by the Q460C or Q345B grade steel plates. The high strength of the bolts and the welding requirements of the steel core can be satisfied simultaneously. In the steel plate-bolt assemblies, the steel consumption will be reduced by using the high strength steel plates. The thickness should not be less than the bolt diameter d for Q460C grade steel, and d+(1～2 mm)for the Q345B grade steel. The steel plate should not be the composited plates that are connected by welding.

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备注/Memo

备注/Memo:
收稿日期:2018-09-29 修改稿日期:2019-09-23基金项目:国家自然科学基金项目(51178382,51708038),陕西省自然科学基金项目(2018JQ5016),中央高校基本科研业务费项目(300102288102)第一作者:段留省(1985-),男,博士,高级工程师,主要从事钢结构稳定、抗震与新型钢结构体系的研究.E-mail: duanliusheng@126.com
更新日期/Last Update: 2019-12-05