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Civil-Comp Proceedings
ISSN 1759-3433 CCP: 50
INNOVATION IN COMPUTER METHODS FOR CIVIL AND STRUCTURAL ENGINEERING Edited by: B.H.V. Topping and M.B. Leeming
Paper V.2
Numerical Experiments to Determine the Influence of Material-Related Parameters on RC Frames Responses A.B. Shuraim
Civil Engineering Department, King Saud University, Riyadh, Saudi Arabia A.B. Shuraim, "Numerical Experiments to Determine the Influence of Material-Related Parameters on RC Frames Responses", in B.H.V. Topping, M.B. Leeming, (Editors), "Innovation in Computer Methods for Civil and Structural Engineering", Civil-Comp Press, Edinburgh, UK, pp 73-80, 1997. doi:10.4203/ccp.50.5.2
Abstract
This paper describes how the unavoidable variations in
materials properties will affect the response of reinforced
concrete members. Three groups of parameters were
considered: nominal strengths of materials, tension-stiffening,
and constitutive models. The results indicate, in
general, that there exists interdependency among variables.
The yield strengths of reinforcing steel bars have the most
predominance on beams carrying strength. Concrete strength
has less effect on beam's strength but higher effect on
deflection at service load. Axial compressive loads magnify
the concrete contribution. Tension-stiffening has a strong
dominance on the beams in the post cracking stage
particularly for lightly reinforced beams. The shapes of the
constitutive models have relatively less influence on
computed strength or deflection at service load. Good
agreement with laboratory results.
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