Deflection and Minimum Thickness Requirements in the CEB and ACI Codes

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Title: Deflection and Minimum Thickness Requirements in the CEB and ACI Codes

Author(s): H. Solanki

Publication: Special Publication

Volume: 161

Issue:

Appears on pages(s): 25-50

Keywords: beams (supports); concretes; creep properties; deflection; flat concrete plates; flat concrete slabs; modulus of elasticity; moments of inertia; reinforced concrete; reinforcing steels; shrinkage; span-depth ratio; standards; structural analysis; structu

Date: 4/1/1996

Abstract:
Presents American and European design provisions for the control of deflections. Both minimum and computed versus allowable deflections of CEB-FIP Model Code (MC 1990) and ACI Code (ACI 318-89) are considered. The methods in both codes for predicting deflections and applying span/depth-thickness ratio are evaluated in design examples. Based on the simplified method for computing the long term deflection, no significant difference is found between the codes.