[1]游田,陈以一.梁贯通式中心支撑钢框架地震剪力研究[J].地震工程与工程振动,2018,(04):105-110.[doi:10.13197/j.eeev.2018.04.105.yout.016]
 YOU Tian,CHEN Yiyi.Inter-story earthquake shear force for steel concentrically braced frames with continuous beam[J].EARTHQUAKE ENGINEERING AND ENGINEERING DYNAMICS,2018,(04):105-110.[doi:10.13197/j.eeev.2018.04.105.yout.016]
点击复制

梁贯通式中心支撑钢框架地震剪力研究
分享到:

《地震工程与工程振动》[ISSN:/CN:]

卷:
期数:
2018年04期
页码:
105-110
栏目:
论文
出版日期:
2018-10-28

文章信息/Info

Title:
Inter-story earthquake shear force for steel concentrically braced frames with continuous beam
作者:
游田 陈以一
同济大学 土木工程学院, 上海 200092
Author(s):
YOU Tian CHEN Yiyi
College of Civil Engineering, Tongji University, Shanghai 200092, China
关键词:
梁贯通中心支撑钢框架地震剪力动力弹塑性分析
Keywords:
continuous beamsteel concentrically braced framesadjustment of inter-story earthquake shear forcedynamic elastoplastic analysis
分类号:
TU391
DOI:
10.13197/j.eeev.2018.04.105.yout.016
摘要:
为了保证梁贯通式中心支撑钢框架结构在大震下钢框架仍能正常工作,需要钢框架能够承担一定的水平地震力,而大震下底层框架柱所承担的地震剪力与小震下总剪力的比值取决于n和Δ2/Δ1,其中n为层柱刚度与层支撑刚度之比,Δ2Δ1分别为大震和小震时的底层相对位移,因此本文对Δ2/Δ1的大小进行了研究,分别对单层、3层和6层的平面结构进行了动力弹塑性时程分析,最后给出建议的钢框架需要承担的地震剪力公式。
Abstract:
For steel concentrically braced frames with continuous beam, steel frames should be able to withstand certain earthquake shear force to make sure they still work under large earthquake. The ratio of the seismic shear force borne by the bottom frame columns under large earthquake and the total shear force under minor earthquake is determined by n, which is the ratio of column stiffness to bracing stiffness, and Δ2/Δ1, which is the ratio of the relative displacement of bottom frames under large and minor earthquakes. Therefore, the value of Δ2/Δ1is studied in this paper. The dynamic elastoplastic time analysis is carried out for the plane structure of single, three and six layers respectively. Finally, the formula of seismic shear force for steel frames is proposed.

参考文献/References:

[1] 王伟, 陈以一, 余亚超, 等. 分层装配式支撑钢结构工业化建筑体系[J].建筑结构, 2012, 42(10):48-52. WANG Wei, CHEN YiYi, YU Yachao, et al. Floor-by-floor assembled steel braced structures for prefabricated buildings[J]. Building Structure, 2012, 42(10):48-52.(in Chinese)
[2] 卓卫东, 范立础. 结构抗震设计中的强度折减系数研究[J]. 地震工程与工程振动, 2001, 21(1):84-88. ZHUO Weidong, FAN Lichu. On strength reduction factors used for seismic design of structures[J].Earthquake Engineering and Engineering Dynamics, 2001, 21(1):84-88.(in Chinese)
[3] GB50011-2010建筑抗震设计规范[S].北京:中国建筑工业出版社, 2010. GB50011-2010 Code for Seismic Design of Buildings[S].Beijing:Building Industry Press of China,2010. (in Chinese)
[4] 翟长海, 谢礼立.多自由度体系效应对强度折减系数的影响[J].工程力学, 2006(11):33-37, 69. ZHAI Changhai, XIE Lili. Estimation of MDOF effects on strength reduction facters[J]. Engineering Mechanics, 2006(11):33-37, 69.(in Chinese)第38卷第4期2018年8月地震工程与工程振动EARTHQUAKE ENGINEERING AND ENGINEERING DYNAMICSVol.38 No.4 Aug.2018

备注/Memo

备注/Memo:
收稿日期:2018-05-17;改回日期:2018-06-03。
基金项目:国家自然科学基金项目(51578403)
作者简介:游田(1995-),男,博士研究生,主要从事钢结构、结构抗震研究.E-mail:youtian95@qq.com
更新日期/Last Update: 1900-01-01