Behavior and Design of Reinforced and Composite Concrete Sections

Abstract

The force-deformation equilibrium equations of reinforced and composite concrete columns are formulated, from which moment-curvature-thrust relationships are developed. The cross section is partitioned into a number of small elemental areas of steel and concrete, and the moment-curvature-thrust relationships are obtained by step-by-step application of the force-deformation equilibrium equations subjected to different loading paths. Contour interaction equation is extended and verified for its applicability to composite sections.