Design Live Loads for Passenger Cars Parking Garages
Publication: Journal of Structural Engineering
Volume 127, Issue 3
Abstract
The objective of this study is to obtain a better understanding of live loads in passenger cars parking garages and to recommend an appropriate value for design. Load surveys were conducted in nine parking garages in Chicago and Urbana-Champaign, Ill., and Boston and Cambridge, Mass. Based on the survey data, statistical analyses were carried out on the equivalent uniformly distributed loads, which produce the maximum column axial loads and beam midspan moments that the building is expected to experience during its lifetime. The dynamic amplifications due to vehicle motions on the decks and ramps were also investigated. The results suggest a possible reduction of the design live load from the current value of 2.39 kN/m2 (50 psf), as stipulated in the ASCE-7-95 and other codes and standards, to 1.92 kN/m2 (40 psf), but with no allowance for reduction according to the bay area.
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Information & Authors
Information
Published In
Journal of Structural Engineering
Volume 127 • Issue 3 • March 2001
Pages: 280 - 289
History
Received: Jun 14, 2000
Published online: Mar 1, 2001
Published in print: Mar 2001
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