Research Article
Oct 1969
Elasto-Plastic Seismic Response of Reinforced Concrete Frame
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VIEW THE REPLYPublication: Journal of the Structural Division
Volume 95, Issue 10
Abstract
Step-by-step numerical integration method developed and applied to determination of response to digitized record of N-S component of the 1940 El Centro earthquake of a typical New Zealand 6-story single-bay reinforced concrete rigid frame, assuming idealized elasto-plastic moment-rotation properties for beam and column members. Elasto-plastic responses are compared with extended elastic behavior. It is shown that although character of elasto-plastic responses is similar to extended elastic predictions, magnitudes of maximum displacements are significantly greater in extended elastic cases. Plastic deformations are found to concentrate in weakest members. It is shown to be possible to restrict yielding to beams and base of bottom columns by having relatively low yield moments at these sections. Member ductility requirements are shown to be quite small, only barely exceeding 6 in one case.
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Published In
Journal of the Structural Division
Volume 95 • Issue 10 • October 1969
Pages: 2031 - 2056
Copyright
© 1969 American Society of Civil Engineers.
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Published in print: Oct 1969
Published online: Feb 1, 2021
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Authors
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Warren R. Walpole
Asst. Engr., Beca Carter, Hollings and Ferner, Consulting Civ. and Struct. Engrs., Wellington, New Zealand
Robin Shepherd, M.ASCE
Reader in Civ. Engrg., Univ. of Canterbury, Christchurch, New Zealand
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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.