Research Article
Jan 1962
Recent Trends in Ultimate Strength Design
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VIEW THE REPLYPublication: Transactions of the American Society of Civil Engineers
Volume 127, Issue 2
Abstract
For reinforced concrete members, load-stress curves show such irregularities at cracking load and near ultimate load that the attainment of reasonably accurate predictions of member capacity requires the use of ultimate strength theory. Under ultimate strength theory, the designer must become familiar with load factors (and probability theory). Several load factor proposals have been presented, each calling for the use of reduced material strengths and an increase over working loads. In addition, American study has always used separate load factors for dead and live load. The increasing use of strains and the convenient use of the rectangular stress block for concrete stresses seem to furnish the tools that the designer needs to develop a systematic “theory” of ultimate strength for either complicated or standard sections.
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© 1962 American Society of Civil Engineers.
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Published in print: Jan 1962
Published online: Feb 10, 2021
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Phil M. Ferguson, F.ASCE
Prof. of Civ. Engrg., Dept. of Civ. Engrg., univ. of Texas, Austin 12, Tex.
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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.