郑州银基冰雪酒店大跨高位桁架转换超限结构抗震设计

引用文献:

张龑华 张根俞 张恺 朱炳寅. 郑州银基冰雪酒店大跨高位桁架转换超限结构抗震设计[J]. 建筑结构,2022,48(02):79-86,109.

ZHANG Yanhua ZHANG Genyu ZHANG Kai ZHU Bingyin. Seismic design on out-of-code structure with large-span and high-position transfer truss of Zhengzhou ENJOY Snow Hotel[J]. Building Structure,2022,48(02):79-86,109.

作者:张龑华 张根俞 张恺 朱炳寅
单位:北京市建筑设计研究院有限公司 清华大学土木工程系 北京碧桂园凤凰置业发展有限公司 中国建筑设计研究院有限公司
摘要:郑州银基冰雪酒店为7度抗震设防的标准设防类建筑,是具有6类不规则项的大跨高位转换超限结构。酒店大堂上方为最大跨度11m+20m+11m的三跨连续转换结构,上托7层标准客房共计10根框架柱。通过对梁式转换、斜柱转换和桁架转换的方案比选,选择了钢桁架以实现结构转换。通过不同形式的反应谱和时程分析考察了结构基本的变形和承载能力,同时补充了转换层型钢混凝土梁轴向应力分析、重力荷载下不考虑上部和下部结构共同工作的转换结构承载力分析、转换桁架防连续倒塌分析、中部转换区域独立模型抗震分析、差异沉降对转换桁架的影响分析和转换层楼板抗震分析等多项专项分析,保证了转换结构的安全。
关键词:转换桁架,高位转换,抗震性能化设计,防连续倒塌,差异沉降分析
作者简介:张龑华,博士研究生,高级工程师,一级注册结构工程师,主要从事建筑设计与研究工作,Email:zhangyh06@tsinghua.org.cn。
基金:
尊敬的用户,本篇文章需要2元,点击支付交费后阅读
参考文献[1] 超限高层建筑工程抗震设防专项审查技术要点:建质﹝2015﹞67号[A].北京:中华人民共和国住房和城乡建设部,2015.
[2] 组合结构设计规范:JGJ 138—2016[S].北京:中国建筑工业出版社,2016.
[3] 高层建筑混凝土结构技术规程:JGJ 3—2010[S].北京:中国建筑工业出版社,2011.
[4] 建筑抗震设计规范:GB 50011—2010[S].2016年版.北京:中国建筑工业出版社,2016.
[5] 王亚勇.结构时程分析输入地震动准则和输出结果解读[J].建筑结构,2017,47(11):1-6.
[6] 刘劲松,裘涛,王翠坤,等.带高位大跨钢桁架转换层建筑结构动力分析[J].建筑结构,2008,38(3):61-64.
[7] 王森,魏琏.不同高位转换层对高层建筑动力特性和地震作用影响的研究[J].建筑结构,2002,32(8):54-58.
[8] 叶小刚,秦从律,肖建宝,等.大跨高位钢桁架转换层结构的实测与分析[J].建筑结构,2007,37(1):28-31.
[9] 高层建筑钢-混凝土混合结构设计规程:CECS 230:2008[S].北京:中国计划出版社,2008.
Seismic design on out-of-code structure with large-span and high-position transfer truss of Zhengzhou ENJOY Snow Hotel
ZHANG Yanhua ZHANG Genyu ZHANG Kai ZHU Bingyin
(Beijing Institute of Architectural Design Department of Civil Engineering,Tsinghua University Beijing Country Garden Fenghuang Real Estate Development Co., Ltd. China Architecture Design & Research Group)
Abstract: Zhengzhou ENJOY Snow Hotel is a standard fortification category structure with 7 degree seismic fortification. It is a large-span, high-position transfer structure with 6 irregular out-of-code items. A three-span and continuous-transfer structure is located in the top of the hall with the largest span of 11 m+20 m+11 m, which supports 10 frame columns of 7-storey standard guest rooms. Steel truss was selected as the transfer structure in the competition with transfer beam and transfer inclined column. Various forms of response spectrum analysis and time-history analysis were carried out to evaluate the basical deformability and load bearing capacity of the structure. At the same time, multiple special analysis including the axial stress analysis of the transfer steel-reinforced concrete beam, bearing capacity analysis of transfer structure without coincident work effects between upper and lower structure work together under gravity load, progressive collapse resistance assessment of transfer truss, seismic analysis of independent model of transfer structure in the middle zone, influence of differential settlement on transfer truss and seismic analysis of slab on transfer floor were conducted, which ensure the security of the transfer structure.
Keywords: transfer truss; high-position transfer; performance-aseismic design; progressive collapse prevention; differential settlement analysis
540 0 0
文字:     A-     A+     默认 取消