Design of Reinforced Concrete for Combined Bending and Tension


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Title: Design of Reinforced Concrete for Combined Bending and Tension

Author(s): F. L. Moreadith

Publication: Journal Proceedings

Volume: 75

Issue: 6

Appears on pages(s): 251-255

Keywords: axial oads;bending moments;eccentricity;loads (forces);nuclear power plants;reinforced concrete;structural design;tensile strength;tension;ultimate strength method.

Date: 6/1/1978

Combined bending and axial tension is a common problemin the structural design of reinforced concrete structures for nuclear power plant facilities. Even in design situations of more standard civil engineering structures (e.g., coliseum frames and high-rise bulidings) there can be significant bending-tension force combinations to consider in the design. Until the last several years, little liturature had been available to provide the design engineer with guidance. The concepts reviewed herein suggest that certain misconceptions may result from recent lituraure ralted to this problem. Definite design recommendations are presented based on ultimate strength fundamentals of strain compatiblity and equilibrium of internal forces. Accepted ACI 318-71 requirements are taken into consideration.