Wind pressure characteristics of elliptical retractable dome roofs

This study investigated the wind pressure characteristics of an elliptical plan retractable dome roof. Wind tunnel experiments were performed on elliptical dome roofs with varying wall height-to-span ratios (0.1-0.5) and opening ratios (0, 10, 30, and 50 %), where the opening ratio was defined as th...

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Published in:Journal of Asian architecture and building engineering 2022-07, Vol.21 (4), p.1561-1577
Main Authors: Lee, Jong Ho, Kim, Yong Chul, Cheon, Dong Jin, Yoon, Sung Won
Format: Article
Language:English
Subjects:
cladding design
Elliptical retractable dome
peak pressure coefficient
wind pressure
wind tunnel test
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description This study investigated the wind pressure characteristics of an elliptical plan retractable dome roof. Wind tunnel experiments were performed on elliptical dome roofs with varying wall height-to-span ratios (0.1-0.5) and opening ratios (0, 10, 30, and 50 %), where the opening ratio was defined as the ratio of the open area of the roof to the total area of the roof. The resulting peak pressure coefficients of the closed dome roof were then compared with those of the Japanese wind load code (AIJ-RLB ( 2015 )) as there are no current peak pressure coefficients for the cladding design code of elliptical dome roofs. The resulting peak pressure coefficients for each elliptical retractable dome roof opening ratio were also compared with those for the cladding design of spherical retractable domes proposed in previous research. Finally, based on the results of the comparative analysis, negative and positive peak pressure coefficients were proposed for the cladding design of elliptical retractable dome roofs.
doi_str_mv 10.1080/13467581.2021.1941996
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1347-2852
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source Taylor & Francis Open Access
subjects cladding design
Elliptical retractable dome
peak pressure coefficient
wind pressure
wind tunnel test
title Wind pressure characteristics of elliptical retractable dome roofs
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