Wind tunnel test study on the wind pressure coefficient of claddings of high-rise buildings

doi:10.1007/s11709-011-0128-4

Front Arch Civil Eng Chin

2011, Vol. 5

Issue (4) : 518-524 https://doi.org/10.1007/s11709-011-0128-4

RESEARCH ARTICLE

Wind tunnel test study on the wind pressure coefficient of claddings of high-rise buildings

Yong QUAN¹(

), Yi LIANG², Fei WANG¹, Ming GU¹

1. State Key Laboratory for Disaster Deduction in Civil Engineering, Tongji University, Shanghai 200092, China; 2. Shanghai Nuclear Engineering Research and Design Institute, Shanghai 200233, China

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Abstract

The area-averaged most unfavorable wind pressure coefficients (MUWPCs) on various regions of building surfaces and the influence of the side ratio and the terrain category were studied based on wind tunnel test data of scale models of typical high-rise buildings with rectangular cross-sections. The negative area-averaged MUWPCs in the middle-height edge areas generally increased with an increasing D/B side ratio. The area-averaged MUWPCs can be well fitted with a function of the average area reduced by the square of the building depth, D². In addition, no unique pattern was found for the effect of the terrain category on the MUWPCs.

Keywords side ratio area-averaged pressure coefficients cladding terrain category

Corresponding Author(s): QUAN Yong,Email:quanyong@tongji.edu.cn

Issue Date: 05 December 2011

Cite this article:

Yong QUAN,Yi LIANG,Fei WANG, et al. Wind tunnel test study on the wind pressure coefficient of claddings of high-rise buildings[J]. Front Arch Civil Eng Chin, 2011, 5(4): 518-524.

URL:

https://academic.hep.com.cn/fsce/EN/10.1007/s11709-011-0128-4
https://academic.hep.com.cn/fsce/EN/Y2011/V5/I4/518

Fig.1 Mean velocity, turbulence intensity profile, and velocity spectrum for simulated wind field B. (a) Mean velocity profile; (b) turbulence intensity profile; (c) velocity spectrum (at the height of 112.5 m)

Fig.2 Measured tap arrangement and wind direction definition. (a) M1; (b) M2; (c) M3

Fig.3 Effect of location on the most unfavorable negative area-averaged wind pressure coefficients. (a) Edge area of M1 in wind field type B; (b) edge area of M2 in wind field type D; (c) inner area of M1 in wind field type B; (d) inner area of M2 in wind field type D

Fig.4 Effect of aspect ratio / on the negative area-averaged MUWPCs. (a) Region 1, wind field type A; (b) region 2, wind field type B; (c) region 3, wind field type C; (d) region 4, wind field type D

Fig.5 Variation of the negative area-averaged MUWPC with reduced area. (a) Region 3, terrain category B; (b) region A3, terrain category D; (c) region A2, terrain category C; (d) region A2, terrain category A

Fig.6 Effects of the terrain categories on the area-averaged MUWPCs for M1. (a) 1; (b) 2; (c) 3; (d) 4; (e) 5; (f) 6

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