Moment Redistribution in Reinforced Concrete Frames

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Title: Moment Redistribution in Reinforced Concrete Frames

Author(s): Y. L. Mo

Publication: Journal Proceedings

Volume: 83

Issue: 4

Appears on pages(s): 577-587

Keywords: axial loads; building codes; compatibility methods; computer pro-graras; cracking (fracturing); deformation; frames; loads (forces); microconcrete; models; moment-curvature relationship; moment distribution; plastic theory; reinforced concrete; strains.

Date: 7/1/1986

Abstract:
In reinforced concrete frames that underwent different loading paths, moment development was accurately predicted with a nonlinear analytical method. The nonlinear behavior of reinforced concrete frames with sidesway is governed by two factors: the nonlinearity of materials due to cracking and plastic behavior, and the nonlinearity of geometry caused by second-order deformation. These two factors may interact and yield a combined effort known as the nonlinearity of geometry and materials. Related questions arising from American and European codes of practice were examined through experiments and analyses.