Rotational Capacity of Hinging Regions in Reinforced Concrete Beams


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Title: Rotational Capacity of Hinging Regions in Reinforced Concrete Beams

Author(s): Alan H. Mattock

Publication: Special Publication

Volume: 12


Appears on pages(s): 143-181


Date: 1/1/1965

With discussion by Chan W. Yu and M. T. Soliman, and Alan H. Mattock. Limit design theories for reinforced concrete statically indeterminate structures require a knowledge of the rotational capacity of hinging regions in reinforced concrete members. An investigation is reported of this rotational capacity in reinforced concrete beams. Thirty-seven beams were tested involving the following variables: concrete strength, depth of beam, distance from point of maximum moment to point of zero moment, and amount and yield point of reinforcement. The data are analyzed and a method is proposed whereby the rotational capacity of a hinging region in a reinforced concrete beam may be calculated.