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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Time-Dependent Forces Induced by Settlement
of Supports in Continuous Reinforced Concrete Beams
Author(s): Amin Ghali, Walter Dilger, and Adam M. Neville
Publication: Journal Proceedings
Appears on pages(s): 907-915
Keywords: beams (supports) ; continuous beams; creep properties; deflection; flexural strength;modulus of elasticity; reinforced concrete; research;
rigidity; settlement (structural).
Abstract:An expression for the variation of reactions in a continuous reinforced concrete beam subjected to differential settlement is developed by taking into account changes in the modulus of elasticity of concrete, effective flexural rigidity of member, creep properties of concrete, and the shape settlement curve. Experimental resu ts showing reasonable of the time-agreement with the expression are presented. The use of the expression permits a more accurate estimate of the forces induced by differential settlement, which would be greatly over-estimated if some of the time-dependent effects are ignored.
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