Research Article
Feb 1979
Optimum Expenditures in Seismic Design
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VIEW THE REPLYPublication: Journal of the Engineering Mechanics Division
Volume 105, Issue 1
Abstract
Optimization is taken as minimization of the sum of expected present values of initial costs (including engineering services and construction) and (magnified) losses due to a structure's entrance into limit states. Dead, live, and seismic loads are considered. Attention is given to optimization of expenditures in engineering services. The treatment is extended to deal with optimization of resource allocation to research and development. Professional uncertainty and human errors depend on the investment in structural engineering services, which can be optimized. For N nominally identical structures, the optimum expenditures on analysis, design, and revision per unit grow approximately as N½, while the optimum on supervision varies little with N. Under some conditions, the most profitable research effort at present consists in improving knowledge about seismicity.
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Published In
Journal of the Engineering Mechanics Division
Volume 105 • Issue 1 • February 1979
Pages: 177 - 187
Copyright
© 1979 American Society of Civil Engineers.
History
Published in print: Feb 1979
Published online: Feb 3, 2021
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Authors
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Emilio Rosenblueth, F.ASCE
Prof. of Engrg., Universidad Nacional Autonoma de México, México, D.F., Mexico
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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.