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Recent Trends in Ultimate Strength Design
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.
Recent Trends in Ultimate Strength Design
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.
Recent Trends in Ultimate Strength Design
Ferguson, Phil M. (Autor:in)
Transactions of the American Society of Civil Engineers ; 127 ; 324-338
01.01.2021
151962-01-01 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Unbekannt
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