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(1 WSP科進(jìn)香港有限公司， 香港 999077; 2 拉瓦爾大學(xué)土木與水工程系， 魁北克市 G1V 0A6； 3 華南理工大學(xué)土木與交通學(xué)院， 廣州 510640)

［摘要］風(fēng)荷載計(jì)算是建筑結(jié)構(gòu)荷載設(shè)計(jì)的重要內(nèi)容之一，不同國(guó)家和地區(qū)的荷載規(guī)范體系不盡相同。目前，廣東省風(fēng)荷載設(shè)計(jì)規(guī)范按照《建筑結(jié)構(gòu)荷載規(guī)范》（GB 50009—2012）實(shí)行，香港地區(qū)按照2019年新修訂的荷載規(guī)范實(shí)行。從計(jì)算方法和基本參數(shù)兩方面比較廣東省與香港地區(qū)荷載規(guī)范的中風(fēng)荷載取值的異同；通過(guò)編程實(shí)現(xiàn)粵港地區(qū)建筑結(jié)構(gòu)風(fēng)荷載計(jì)算。對(duì)一超高層建筑工程案例進(jìn)行結(jié)構(gòu)設(shè)計(jì)風(fēng)荷載的分析，獲得了兩地順風(fēng)向風(fēng)荷載、橫風(fēng)向風(fēng)荷載以及基本風(fēng)壓等重要數(shù)據(jù)，比較計(jì)算結(jié)果差異，發(fā)現(xiàn)香港地區(qū)建筑結(jié)構(gòu)在設(shè)計(jì)過(guò)程中采用的風(fēng)荷載比廣東地區(qū)更大，引起該差異的其中一個(gè)原因是參考風(fēng)壓取值不同。

［關(guān)鍵詞］荷載規(guī)范對(duì)比；風(fēng)荷載設(shè)計(jì)；廣東荷載規(guī)范；香港荷載規(guī)范

中圖分類(lèi)號(hào)：TU973+.213文獻(xiàn)標(biāo)識(shí)碼：A文章編號(hào)：1002-848X(2021)07-0133-06

Comparative research of wind load calculation  in Guangdong and Hong Kong load codes

CHEN Xuewei1, XIN Zhanwen2, YANG Yi3, LIN Zhe1

(1 WSP Hong Kong Ltd., Hong Kong 999077, China; 2 Department of Civil and Water Engineering, Laval University, Quebec, G1V 0A6, Canada；3 School of Civil Engineering and Transportation South China University of Technology，Guangzhou 510640, China)

Abstract:Calculation of wind load is one of the important steps in the load design of building structures. Wind load codes in different countries and regions are not all the same. At present, the wind load design in Guangdong Province is implemented in accordance with the Load code for the design of building structures (GB 50009—2012), while the wind load code implemented in Hong Kong is a newly revised edition in 2019. The similarities and differences of wind load values in load codes of Guangdong Province and Hong Kong were compared from two aspects of calculation methods and basic parameters. Wind load calculation of building structure in Guangdong and Hong Kong area was realized through programming. The structural design wind load analysis of a super high-rise building engineering case was conducted to obtain important data such as downwind wind load, cross-wind wind load and basic wind pressure in the two places. Comparing the difference in the calculation results, it is found that the wind load used in the design process of the building structure in Hong Kong is greater than that in the Guangdong Province. One of the reasons for the difference is that the reference wind pressures are different.

Keywords:load code comparison;wind load design;Guangdong load code;Hong Kong load code

作者簡(jiǎn)介：陳學(xué)偉，博士，高級(jí)工程師，Email:dinochen1983@qq.com。