[1]钟炜辉,段仕超,崔武杰,等.腹板开孔组合梁柱子结构抗倒塌性能研究[J].西安建筑科技大学学报(自然科学版),2022,54(04):500-507.[doi:10.15986/j.1006-7930.2022.04.004]
　ZHONG Weihui,DUAN Shichao,CUI Wujie,et al.Collapse-resistant performance of composite beam-column substructure with web openings[J].J. Xi'an Univ. of Arch. & Tech.(Natural Science Edition),2022,54(04):500-507.[doi:10.15986/j.1006-7930.2022.04.004]
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腹板开孔组合梁柱子结构抗倒塌性能研究()
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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:
54
期数:
2022年04期
页码:
500-507
栏目:
出版日期:
2022-08-28

文章信息/Info

Title:
Collapse-resistant performance of composite beam-column substructure with web openings
文章编号:
1006-7930(2022)04-0500-08
作者:
钟炜辉1; 2; 段仕超1; 崔武杰1; 谭 政1; 郑玉辉1; 孟 宝1; 2
(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实验室,陕西 西安 710055)
Author(s):
ZHONG Weihui1; 2;  DUAN Shichao1;  CUI Wujie1;  TAN Zheng1;  ZHENG Yuhui1;  MENG Bao1; 2
(1.School Civil Engineering, Xi'an Univ. of Arch. & Tech., Xi'an 710055, China; 2.Key Lab of Structural Engineering and Earthquake Resistance of China Ministry of Education, Xi'an 710055, China)
关键词:
腹板开孔;  抗倒塌性能;  破坏模式;  数值模拟
Keywords:
web opening;  collapse-resistant performance;  failure mode;  numerical simulation
分类号:
TU375
DOI:
10.15986/j.1006-7930.2022.04.004
文献标志码:
A
摘要:
腹板开孔梁因可提高空间利用率、经济美观、降低自重等特点被应用于钢结构建筑物中,而关于此类结构的抗倒塌性能研究较少,因此,有必要对此类结构的抗倒塌性能及关键参数进行研究.本文利用ABAQUS软件建立腹板开孔组合梁柱子结构的精细化有限元模型,以组合梁柱子结构的静力加载试验结果作为校验,验证了有限元建模方法的正确性.在此基础上,分析了开孔端距、开孔直径对腹板开孔组合梁柱子结构抗倒塌性能的影响,结果表明:不同的开孔端距会影响子结构边柱孔的破坏情况,而不同开孔直径会影响结构的断裂位置; 模型的承载能力与开孔端距呈正相关,与开孔直径呈负相关; 开孔端距与开孔直径对子结构的抗力发展影响较大.通过给出上述参数的合理取值范围建议,为腹板开孔组合结构抗倒塌设计提供依据.
Abstract:
Web-opening beams are employed in steel structure buildings because of its characteristics of improving space utilization, economical appearance, and reducing self-weight, but there are few studies on the collapse resistance of these structures. Therefore, it is necessary to study the collapse-resistant performance and influencing parameters of these structures. In this study, a refined finite element model of the composite beam-column substructure with web openings was established by ABAQUS software, and the static loading test results of the solid-web composite beam-column substructure are used as verification, which verify the correctness of the finite element modeling method. On this basis, the effects of important parameters such as opening end distance, opening diameter on the collapse resistance of composite beam-column structures with web openings are analyzed. The results show that different opening end distances will affect the failure of the substructure side column holes, while different opening diameters will affect the fracture position of the structure; the bearing capacity of the model is positively correlated with the opening end distance, and negatively correlated with the opening diameter; The opening end distance and the opening diameter has a significant influence on the resistance development of the substructure; The reasonable value ranges of these parameters are given, which provides the basis for the anti-collapse design of the composite structure with web openings.

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备注/Memo

备注/Memo:
收稿日期:2022-06-12修改稿日期:2022-08-12
基金项目:国家自然科学基金面上项目(52178162); 陕西省教育厅重点科学研究计划重点项目(20JY033); 陕西省教育厅专项科研计划项目(20JK0713)
第一作者:钟炜辉(1980—),男,博士,教授,主要从事钢结构抗倒塌和稳定性研究.E-mail:zhongweihui1980@163.com
更新日期/Last Update: 2022-08-28