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Characteristics of wind forces acting on tall buildings

journal contribution
posted on 2023-05-16, 19:59 authored by Lin, N, Letchford, CW, Liang, TB, Nakamura, O
Nine models with different rectangular cross-sections were tested in a wind tunnel to study the characteristics of wind forces on tall buildings. The data was briefly reported (Local wind forces acting on rectangular prisms. Proceedings of 14th National Symposium on Wind Engineering, 4-6 December 1996, Japan Association for Wind Engineering, Tokyo, pp. 263-268.). In the present paper, local wind forces on tall buildings are investigated in terms of mean and RMS force coefficients, power spectral density, and spanwise correlation and coherence. The effects of three parameters, elevation, aspect ratio, and side ratio, on bluff-body flow and thereby on the local wind forces are discussed. The overall loads and base moments are obtained by integration of local wind forces. Comparisons are made with results obtained from high-frequency force balances in two wind tunnels. © 2004 Elsevier Ltd. All rights reserved.

History

Publication title

Journal of Wind Engineering & Industrial Aerodynamics

Volume

93

Pagination

217-242

ISSN

0167-6105

Department/School

School of Engineering

Publisher

Elsevier BV

Place of publication

Netherlands

Repository Status

  • Restricted

Socio-economic Objectives

Civil construction planning

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