Research Article
Jan 1976
Civil Engineering Calculations Using SI Units
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VIEW THE REPLYPublication: Engineering Issues: Journal of Professional Activities
Volume 102, Issue 1
Abstract
The change from customary U.S. to the SI units of measurement will be more than a simple matter of converting numbers. It will require rethinking of computation approaches as the new system is absolute rather than gravitationally based. Mass, weight and force are not interchageable. Weight, which is a force unit, is a newton, not a kilogram. The value for acceleration due to gravity when calculations are made in SI units will be removed from customary static equations and added to customary dynamic equations. Typical methods for the computations that may prove challenging in SI units are shown. Tables containing recommended practice in the selection of prefixes and units, conversion factors, and rules for the use of SI, are included. The changeover also allows a basic reconsideration of modules to simplify specifications and standards for manufacturers.
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Published In
Engineering Issues: Journal of Professional Activities
Volume 102 • Issue 1 • January 1976
Pages: 99 - 116
Copyright
© 1976 American Society of Civil Engineers.
History
Published in print: Jan 1976
Published online: Feb 10, 2021
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Authors
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R. Ernest Leffel, F.ASCE
Vice Pres., Camp Dresser & McKee Inc., Boston, Mass.
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.