Wind Pressure Characteristics at Windward Side of Long-Span Cantilevered Roof by Wind Tunnel Test

Wind Pressure Characteristics at Windward Side of Long-Span Cantilevered Roof by Wind Tunnel Test

XIAN Rong;LIAO Hai-li;LI Ming-shui

【期刊名称】《现代交通学报（英文版）》 【年(卷),期】2009(017)001

【摘要】A rigid mode of long-span cantilevered roof was tested in wind tunnel.By analyzing the relation between wind angle and wind pressure coefficient and the relation between wind angle and wind shape factor,we found that 90° is the most disadvantageous wind angle.Furthermore,the fluctuation of wind pressure at the windward edge was reflected by power spectrum density (PSD) and coherence function.The correlation coefficients of measuring points on outer and inner surfaces verifys that the largest lift force was produced at 90°. 【总页数】6页(36-41) 【关键词】

【作者】XIAN Rong;LIAO Hai-li;LI Ming-shui

【作者单位】School of Civil Engineering,Southwest Jiaotong University,Chengdu 610031,China;School of Civil Engineering,Southwest Jiaotong

University,Chengdu

610031,China;School

of

Civil

Engineering,Southwest Jiaotong University,Chengdu 610031,China 【正文语种】中文 【中图分类】U4

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