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Analysis of Wind Pressure Data on Components and Cladding of Low-Rise Buildings

Published

Author(s)

Dat Duthinh, Joseph A. Main, Matthew L. Gierson, Brian M. Phillips

Abstract

This paper presents a methodology for analyzing wind pressure data on cladding and components of low-rise buildings. The aerodynamic force acting on a specified area is obtained by summing up pressure time series measured at that area’s pressure taps times their respective tributary areas. This operation is carried out for all sums of tributary areas that make up rectangles with aspect ratios not exceeding four. The peak of the resulting area-averaged time series is extrapolated to a realistic storm duration by the translation method. The envelope of peaks over all wind directions is compared with current specifications from ASCE 7-10. Results for one low-rise building for one terrain condition indicate that these specifications can seriously underestimate pressures on gable roofs and walls. Future research includes the analysis of additional low-rise building configurations and the estimation of peak pressures by alternative methods. Verification of the proposed methodology against an alternative method for assignment of tributary areas and area averaging is shown in an appendix.
Citation
Journal of Structural Engineering-ASCE

Keywords

ASCE 7-10, components and cladding, gable roofs, low-rise buildings, walls, wind pressure, wind tunnel.

Citation

Duthinh, D. , Main, J. , Gierson, M. and Phillips, B. (2017), Analysis of Wind Pressure Data on Components and Cladding of Low-Rise Buildings, Journal of Structural Engineering-ASCE (Accessed July 19, 2024)

Issues

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Created November 30, 2017, Updated August 17, 2020