EXPERIMENTAL INVESTIGATION ON WIND LOAD CHARACTERISTICS OF ROOF STRUCTURE FOR JILIN RAILWAY STATION

Zhang Mingliang; Li Qiusheng

doi:10.13204/j.gyjz201204026

Volume 42 Issue 4

Dec. 2014

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Zhang Mingliang, Li Qiusheng. EXPERIMENTAL INVESTIGATION ON WIND LOAD CHARACTERISTICS OF ROOF STRUCTURE FOR JILIN RAILWAY STATION[J]. INDUSTRIAL CONSTRUCTION, 2012, 42(4): 123-130,30. doi: 10.13204/j.gyjz201204026

Citation:

Zhang Mingliang, Li Qiusheng. EXPERIMENTAL INVESTIGATION ON WIND LOAD CHARACTERISTICS OF ROOF STRUCTURE FOR JILIN RAILWAY STATION[J]. INDUSTRIAL CONSTRUCTION, 2012, 42(4): 123-130,30. doi: 10.13204/j.gyjz201204026

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EXPERIMENTAL INVESTIGATION ON WIND LOAD CHARACTERISTICS OF ROOF STRUCTURE FOR JILIN RAILWAY STATION

doi: 10.13204/j.gyjz201204026

Zhang Mingliang¹,
Li Qiusheng^1,2

1.
1. College of Civil Engineering,Hunan University,Changsha 410082,China;
2.
2. Department of Building and Construction,City University of Hong Kong,Hongkong,China

Received Date: 2011-10-25
Publish Date: 2012-04-20

Abstract

Abstract

Based on the wind-tunnel test of rigid model of Jilin Railway Station,the mean and fluctuating pressure coefficients,the lift coefficients of the roof were presented and discussed with and without the surrounding buildings. Analyses of the characteristics of the local shape coefficient distributions and wind-induced responses were conducted. It was found that negative pressures (suctions) occurred on the railway station roof in general,the values of the lift coefficients of the roof were negative,and high negative pressure coefficients occurred on the eaves,cantilevered roof and the bulge part of the roof on the main station building. Relatively smaller suctions occurred on the platform awnings of the station because of open surrounding configurations there. The surrounding buildings have some shielding effect on the local shape coefficients of the roof,but can not ignore the situation where they are increased in some areas. Wind-induced responses were significant on the corner of platform awnings,cantilevered roof and the bulge part of the roof. The conclusions obtained from this study are expected to be useful in the wind-resistant design of long-span steel roof structures with complex shapes.
- railway station,
- wind tunnel test,
- lift coefficient,
- shape coefficient,
- wind-induced response

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References(14)

References

GB 500092001 建筑结构荷载规范[S].

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[3] 李秋胜，陈伏彬，傅继阳，等[大跨屋盖结构风荷载特性的试验研究[J][湖南大学学报:自然科学版，2009，36(8):12-17

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