(广东省建筑科学研究院集团股份有限公司, 广州 510500)

摘要: 鉴于粤港澳地区建筑结构抗风规范存在差异大、不兼容的问题,就典型高层建筑结构抗风计算方法进行对比分析,并结合风洞试验结果得出各规范在风荷载及荷载效应方面的宽严程度. 结果表明:粤港澳抗风规范风荷载计算基本风压取值参数不同,取值方式及大小、影响因素的理论背景等也有不同程度的差异,按照广东规范 B 类地貌计算所得风荷载与香港规范基本相当,澳门规范风荷载计算结果最大;广东规范主要以层间位移角为结构风致位移控制目标,香港规范和澳门规范除了层间位移角,还对结构整体水平位移进行限制;在结构风振舒适度方面,只有广东规范和香港规范对此进行了考虑,但其影响因素和宽严程度存在一定差异;粤港澳规范在风致结构水平位移方面的严格程度大致为:澳门规范>广东规范>香港规范,在风振加速度方面,广东规范严格程度要高于香港规范.

关键词: 粤港澳规范; 高层结构; 抗风设计; 规范对比

中图分类号:TU318 文献标志码:A 文章编号:1002⁃848X(2022)08⁃0027⁃09DOI:10. 19701 / j.jzjg.20201731

Comparative analysis of wind⁃resistance calculation of high⁃rise building structures in Guangdong,Hong Kong and Macao code

QIU Jianlei, SUN Lingzhi, LI Qingxiang, MA Yang, XU Wei, XIAO Danling

(Guangdong Provincial Academy of Building Research Group Co., Ltd., Guangzhou 510500, China)

Abstract: In view of the differences and compatibility of wind⁃resistance design codes for buildings in Guangdong, HongKong and Macao, the wind resistance calculation methods of typical high⁃rise building structures in these codes werecompared and analyzed, in which the leniency of wind loads and load effects of each code were carried out by wind tunneltests. The results show that the basic wind pressure in wind resistance design codes of Guangdong, Hong Kong and Macaoare different as well as their theoretical background, calculation method and influence factors. The wind load calculatedaccording to Guangdong code for exposure category B is basically equivalent to which calculated regarding to Hong Kongcode, while the calculation result of Macao code is the largest. Guangdong code mainly takes lateral drifts as the criteria ofestimating wind⁃induced displacement while Hongkong code and Macau code not only provide limitation on story drift,butalso on displacement. Only Guangdong code and Hong Kong code consider the structural wind⁃vibration comfort, there arecertain differences in influencing factors and the degree of leniency. The stringency of the limitation in lateral drifts amongthese three codes roughly follows the order of: Macao code > Guangdong code > Hongkong code. In terms of wind⁃vibrationacceleration, Guangdong code is stricter than Hong Kong code.

Keywords:Guangdong, Hong Kong and Macao code; high⁃rise building structure; wind⁃resistance design; comparison ofcode

第一作者:仇建磊,博士,主要从事结构抗风及抗震性能分析研究工作,Email:qiu_jianlei@ qq.com.

[引用本文] 仇建磊,孙凌志,李庆祥,等. 粤港澳规范高层建筑结构抗风计算对比分析[ J]. 建筑结构,2022,52(8):27⁃35,26. QIU Jianlei, SUN Lingzhi, LI Qingxiang , et al. Comparative analysis of wind⁃resistance calculation ofhigh⁃rise building structures in Guangdong, Hong Kong and Macao code[J]. Building Structure,2022,52(8):27⁃35,26.