[1]柯长仁,姚东浩. 基于SAP2000的框剪结构抗连续倒塌研究[J].湖北工业大学学报,2021,(2):86-90.
　KE Changren,YAO Donghao. Research on the Continuous Collapse Resistance of Frame-Shear Structure Based on SAP2000[J].,2021,(2):86-90.
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 基于SAP2000的框剪结构抗连续倒塌研究()
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《湖北工业大学学报》[ISSN:1003-4684/CN:42-1752/Z]

卷:
期数:
2021年第2期
页码:
86-90
栏目:
湖北工业大学学报
出版日期:
2021-04-22

文章信息/Info

Title:
 Research on the Continuous Collapse Resistance of Frame-Shear Structure Based on SAP2000
文章编号:
1003-4684(2021)02-0086-05
作者:
 柯长仁;  姚东浩
 湖北工业大学土木建筑与环境学院， 湖北 武汉 430068
Author(s):
 KE Changren ; YAO Donghao
 School of Civil Engineering,Architecture and Environment,Hubei Univ. of Tech.,Wuhan 430068,China
关键词:
 ; SAP2000有限元非线性动力分析; 抗连续倒塌; 拆除构件法; 钢筋混凝土框架-剪力墙结构
Keywords:
 ; SAP2000 finite element nonlinear dynamic analysis;  resistance to continuous collapse; method of removing components; reinforced concrete frame-shear wall structure
分类号:
TU375
文献标志码:
A
摘要:
 利用SAP2000有限元软件，对一栋按照现行《混凝土结构设计规范》设计的24层钢筋混凝土（RC）框剪结构进行抗连续倒塌性能分析，采用非线性动力拆除构件法检验了高层RC框剪结构的抗连续倒塌能力。分析结果表明，在结构角柱附近布置剪力墙，可以有效提高结构的抗连续倒塌能力。同一楼层柱失效结构的连续倒塌概率长边中柱＞中心柱＞角柱＞短边中柱。拆除结构角部L型剪力墙的Y向墙肢后，X向的墙肢可继续完成内力重分布与剩余结构有很好的空间拉结作用，并与Y向失效后剩余墙体相互约束，有效防止结构倒塌。而框剪结构与普通框架结构类似，不同楼层拆除任意相同位置构件，其连续倒塌概率随楼层的升高而增大。
Abstract:
 Under the premise of using SAP2000 finite element analysis software, a 24-story reinforced concrete (RC) frame-shear structure designed in accordance with the current "Specifications for Design of Concrete Structures" was analyzed for the continuous collapse resistance performance. The nonlinear dynamic demolition method was used to test the continuous collapse resistance of high-rise RC frame-shear structure. The analysis results show that arranging shear walls near the structural corner columns can effectively improve the structure’s ability to resist continuous collapse. The probability of continuous collapse of the column failure structure on the same floor is long-side center column>center column>corner column>short-side center column. After the Y-direction wall limbs of the L-shaped shear wall are removed, the X-direction wall limbs can continue to redistribute internal forces and have a good spatial tie-up effect on the remaining structure, and are mutually restrained with the remaining wall after the Y-direction fails, effectively preventing the structure from collapsing. The frame-shear structure is similar to the ordinary frame structure. If any component at the same position is removed from different floors, the continuous collapse efficiency increases with the rise of the floor.

参考文献/References:

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备注/Memo

备注/Memo:
 ［收稿日期］ 2020-10-04
［第一作者］ 柯长仁(1974-)， 男， 湖北阳新人，工学博士，湖北工业大学， 研究方向为结构优化及连续倒塌
［通信作者］ 姚东浩(1997-)， 男， 河南漯河人，湖北工业大学硕士研究生，研究方向为结构抗连续倒塌
更新日期/Last Update: 2021-04-23