Strength Ascendancy Versus the Yield Plateau

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Title: Strength Ascendancy Versus the Yield Plateau

Author(s): G. C. Ernst, G. M. Smith, and G. Yeager

Publication: Journal Proceedings

Volume: 71

Issue: 8

Appears on pages(s): 392-395

Keywords: beams (supports) ; continuity (structural);earthquake resistant structures; frames: hinges (structural) ;loads (forces) ; modulus of elasticity: plastic analysis;reinforcing steels; rigid frames;strains; stresses; structural analysis; structural design.

Date: 8/1/1974

Abstract:
Results of tests on beams and rigid frames are presented in support of the contention that stress increases should accompany strain increases throughout a plastic strain region equivalent to the yield plateau. The elimination of the yield plateau increased energy absorbing properties and minimized structural damage, if adequately confined compression steel was provided in sufficient amount.