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Comparison Between Live Loads Specified by Various Standards
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Abstract
A comparison is conducted between the live loads on building structures specified by major structural standards in North America, Europe and Southeast Asia. These include the American Society of Civil Engineers ASCE7, National Building Code of Canada Volume 1, British Standard 6399 Parts 1 and 3, Eurocode EN 1991-1-1, and the Hong Kong Building (Construction) Regulation 17. The study showed that the uniform live loads in the five considered standards were close for assembly areas with moveable seats, private rooms in hotels and hospitals, balconies for other than small family residences, and dance halls. However, there were significant differences between the standards for assembly areas with fixed seats, restaurants, operation rooms in hospitals, corridors and public areas, library stack rooms, passenger vehicles garages, and uninhabitable roofs. The study also indicated that the reduction in the live load on columns is based on the tributary area in North American standards, whereas it is based on the number of supported stories for the other considered standards. Finally, the load factors that are applied to the live load were somewhat similar among the various standards for the load combinations that do not include wind load, but were different for the load combinations that consider wind load.
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References
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