[1]蔡远征,张浩,苏明周,等.不锈钢槽式预埋组件受拉性能研究[J].西安建筑科技大学学报(自然科学版),2024,56(02):249-259.[doi:10.15986/j.1006-7930.2024.02.011]
　CAI Yuanzheng,ZHANG Hao,SU Mingzhou,et al.Study on tensile behavior of stainless-steel anchor channel assemblies[J].J. Xi’an Univ. of Arch. & Tech.(Natural Science Edition),2024,56(02):249-259.[doi:10.15986/j.1006-7930.2024.02.011]
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不锈钢槽式预埋组件受拉性能研究()
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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:
56
期数:
2024年02期
页码:
249-259
栏目:
出版日期:
2024-04-28

文章信息/Info

Title:
Study on tensile behavior of stainless-steel anchor channel assemblies
文章编号:
1006-7930(2024)02-0249-11
作者:
蔡远征1; 张浩1; 2; 苏明周1; 2;  袁森1; 郑勇1; 孙艳文3
（1.西安建筑科技大学 土木工程学院，陕西 西安 710055； 2.西安建筑科技大学 结构工程与抗震教育部重点试验室，陕西 西安 710055；3.中国建筑标准设计研究院，北京 100048）
Author(s):
CAI Yuanzheng1;  ZHANG Hao1; 2;  SU Mingzhou1; 2;  YUAN Sen1;  ZHENG Yong1;  SUN Yanwen3
(1.School of Civil Engineering, Xi′an Univ. of Arch. & Tech., Xi′an 710055, China; 2.Key Lab of Structural Engineering and Earthquake Resistance, Ministry of Education (XAUAT),Xi′an 710055, China；3.China Institute of Building Standard Design & Research Co., Ltd., Beijing 100048, China）
关键词:
不锈钢; 槽式预埋组件; 受拉承载力; 延性性能; 破坏模式
Keywords:
stainless steel;  anchor channel assemblies;  tensile load-bearing capacity;  ductility;  failure mode
分类号:
TU391
DOI:
10.15986/j.1006-7930.2024.02.011
文献标志码:
A
摘要:
为研究不锈钢槽式预埋组件在拉力作用下的受力性能，首先对S-CAG-53/34、S-CBG-52/34两种不锈钢预埋槽道进行锚杆中心线和槽道跨中位置受拉静载试验.试验结果表明：不锈钢预埋槽道主要发生槽口卷边屈曲破坏.然后，采用有限元分析软件ABAQUS建立2种不锈钢槽式预埋组件的有限元模型，将数值模拟结果与试验结果对比，验证有限元模型的准确性和适用性.最后，建立50个足尺试件的有限元模型，研究槽口卷边厚度、槽道侧壁厚度、锚杆尺寸、锚杆间距以及相邻荷载对不锈钢槽式预埋组件受拉性能的影响.分析结果表明：增加槽道槽口卷边厚度、槽道侧壁厚度以及减少锚杆间距均能有效提高不锈钢槽式预埋组件的受拉承载力；增加槽口卷边及侧壁厚度会使槽道截面刚度提高，从而提高槽道跨中部位受拉承载力；减少锚杆间距使得槽道受弯承载力增加，从而提升槽道跨中部位受拉承载力.改变锚杆长度对槽道跨中位置受拉承载力的影响较小；在一定间距内同时施加多个荷载，会导致部分锚杆承受较高荷载，对槽道承载力产生影响，但这种影响随着锚杆间距减少逐渐降低.
Abstract:
In order to study the mechanical properties of stainless steel anchor channel components under tension, first, tensile static load tests were conducted on the anchor rod centerline and the mid span position of SCAG53/34 and SCBG52/34 stainless steel anchor channels The experimental results showed that the stainless steel anchor channels mainly experienced buckling failure of the channel edge curling. Then, the finite element analysis software ABAQUS was used to establish the finite element models of two kinds of stainless steel anchor channel components. The numerical simulation results were compared with the experimental results to verify the accuracy and applicability of the finite element model. Finally, the finite element model of 50 fullscale specimens was established to study the influence of channel edge thickness, channel side wall thickness, bolt size, bolt spacing and adjacent load on the tensile performance of stainless steel anchor channel components. The analysis results show that increasing the thickness of the channel edge, the thickness of the side wall of the channel and reducing the spacing of the bolts can effectively improve the tensile bearing capacity of the stainless steel anchor channel components. Increasing the thickness of the channel edge and the side wall will increase the stiffness of the channel section, thereby improving the tensile bearing capacity of the middle part of the channel. Reducing the anchor spacing increases the flexural bearing capacity of the channel, thereby improving the tensile bearing capacity of the midspan of the channel. Changing the length of the anchor rod has little effect on the tensile bearing capacity of the midspan position of anchor channel, and applying multiple loads simultaneously within a certain spacing results in some anchor rods bearing higher loads, thereby affecting the bearing capacity of the channel. The analysis results show that this effect gradually decreases as the spacing between anchor rods decreases.

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相似文献/References:

[1]郑宝锋,吴步宸,张 奎,等.不锈钢圆管T形、Y形相贯节点支管受拉承载力研究[J].西安建筑科技大学学报(自然科学版),2022,54(04):508.[doi:10.15986/j.1006-7930.2022.04.005]
　ZHENG Baofeng,WU Buchen,ZHANG Kui,et al.Investigations on capacity of stainless steel T-and Y-joints in circular hollow sections with axial tension in brace[J].J. Xi’an Univ. of Arch. & Tech.(Natural Science Edition),2022,54(02):508.[doi:10.15986/j.1006-7930.2022.04.005]

备注/Memo

备注/Memo:
收稿日期:2023-02-20 修回日期:2023-03-23
基金项目:上海睿中实业股份公司项目(20210367)
第一作者:蔡远征（1999—），男，硕士，主要从事钢结构及不锈钢结构研究．E-mail：cyz19990402123@163.com
通信作者:张浩（1993—），男，博士，讲师，主要从事新型韧性钢结构体系抗震性能与设计理论研究．E-mail：zhanghao0219@xauat.edu.cn
更新日期/Last Update: 2024-06-24