土木工程与管理学报2016，Vol.33Issue(6)：1-5,5.
罩棚结构对低矮建筑局部风载影响规律试验
Experimental on Local Wind Load of Low-rise Building Affected by Canopy
摘要
Abstract
Adopting the rigid model of wind tunnel test at a scale of 1:20 ,the roof local wind load of isolate low-rise building and composite structure of canopy and low rise building were studied at different wind azimuths and roof pitchs. The wind pressure change law of the measuring points which were affected by canopy on the windward eaves,ridge and roof corner of the low-rise building under B landscape were further discussed by using wind pressure coefficients differences in the wind tunnel. The results indicate that the influence of canopy on windward eaves of low-rise building decreases with the increase of the slope pitch,and there has a little influence on the leeward eaves at different wind azimuths. The influence of canopy on the edge of windward gable wall and corner increases with the wind direction changed. The wind pressure coefficient of tap 6 on windward eaves of flat roof (β=0 ° )varies widely at wind azimuth of 45 ° ,and the wind pressure coefficients differences is -2 . 01 . When the wind azimuth is 90 ° ,the canopy has a little influence on the vulnerable zone of low-rise building with the slope pitch changed.关键词
低矮建筑/罩棚/局部风载/风洞试验/风压系数Key words
low-rise building/canopy/local wind load/wind tunnel test/wind pressure coefficient分类
建筑与水利引用本文复制引用
戴益民,高阳,许灵波,蒋荣正,彭望..罩棚结构对低矮建筑局部风载影响规律试验[J].土木工程与管理学报,2016,33(6):1-5,5.基金项目
国家自然科学基金（51578237）；湖南科技大学研究生创新基金 （）
