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组装式防屈曲支撑整体稳定性研究

丁玉坤 鲍宗辉 李文文 张文元 张耀春 宋罕宇 李达明

丁玉坤, 鲍宗辉, 李文文, 张文元, 张耀春, 宋罕宇, 李达明. 组装式防屈曲支撑整体稳定性研究[J]. 工业建筑, 2021, 51(2): 66-70,105. doi: 10.13204/j.gyjzG201909100004
引用本文: 丁玉坤, 鲍宗辉, 李文文, 张文元, 张耀春, 宋罕宇, 李达明. 组装式防屈曲支撑整体稳定性研究[J]. 工业建筑, 2021, 51(2): 66-70,105. doi: 10.13204/j.gyjzG201909100004
DING Yukun, BAO Zonghui, LI Wenwen, ZHANG Wenyuan, ZHANG Yaochun, SONG Hanyu, LI Daming. RESEARCH ON OVERALL STABILITY OF ASSEMBLED BUCKLING-RESTRAINED BRACES[J]. INDUSTRIAL CONSTRUCTION, 2021, 51(2): 66-70,105. doi: 10.13204/j.gyjzG201909100004
Citation: DING Yukun, BAO Zonghui, LI Wenwen, ZHANG Wenyuan, ZHANG Yaochun, SONG Hanyu, LI Daming. RESEARCH ON OVERALL STABILITY OF ASSEMBLED BUCKLING-RESTRAINED BRACES[J]. INDUSTRIAL CONSTRUCTION, 2021, 51(2): 66-70,105. doi: 10.13204/j.gyjzG201909100004

组装式防屈曲支撑整体稳定性研究

doi: 10.13204/j.gyjzG201909100004
基金项目: 

国家自然科学基金(51878217);黑龙江省自然科学基金(E2017037);中建股份科技研发课题(CSCEC-2017-Z-(44))。

详细信息
    作者简介:

    丁玉坤,男,1979年出生,博士,副教授。电子信箱:dingykun.student@sina.com

RESEARCH ON OVERALL STABILITY OF ASSEMBLED BUCKLING-RESTRAINED BRACES

  • 摘要: 组装式防屈曲支撑通过内置钢板支撑承受轴向荷载,外部组装的约束构件为钢板支撑提供侧向约束,该种支撑可用于有抗震要求的中心支撑钢框架结构中。轴向受压的组装式防屈曲支撑的屈曲分析表明,可结合整个支撑的屈曲临界力、支撑长度和约束构件的抗弯刚度等,得到支撑的计算长度系数。非线性分析表明,约束构件的钢管外边缘屈服时的支撑轴向承载力与支撑发生极值点失稳时的极限承载力很接近。因此,可采用外部约束钢管边缘屈服来判断防屈曲支撑轴向受压整体失稳。为此,给出了综合考虑防屈曲支撑初弯曲、支撑屈服后承载力增大、约束构件抗弯刚度和强度以及间隙的相关算式,可用于验算支撑的整体稳定性。
  • 中华人民共和国住房和城乡建设部. 高层民用建筑钢结构技术规程:JGJ 99-2015[S]. 北京:中国建筑工业出版社,2015.
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    TSAI K C, WU A C, WEI C Y, et al. Welded End-Slot Connections and Debonding Layers for Buckling-Restrained Braces[J]. Earthquake Engineering and Structural Dynamics, 2014, 43(12):1785-1807.
    GUO Y L, ZHANG B H, JIANG Z Q, et al. Critical Load and Application of Core-Separated Buckling-Restrained Braces[J]. Journal of Constructional Steel Research, 2015, 106(3):1-10.
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出版历程
  • 收稿日期:  2020-03-20
  • 网络出版日期:  2021-06-04

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