Techno Press
Techno Press

Structural Engineering and Mechanics
  Volume 2, Number 1, March 1994 , pages 1-16
DOI: https://doi.org/10.12989/sem.1994.2.1.001
 

Unified theory of reinforced concrete-A summary
Thomas T. C. Hsu

 
Abstract
    A unified theory has recently been developed for reinforced concrete structures (Hsu 1993), subjected to the four basic actions - bending, axial load, shear and torsion. The theory has five components, namely, the struts-and-ties model, the equilibrium (or plasticity) truss model, the Bernoulli compatibility truss model, the Mohr compatibility truss model and the softened truss model. Because the last three models can satisfy the stress equilibrium, the strain compatibility and the constitutive laws of materials, they can predict not only the strength, but also the load-deformation history of a member. In this paper the five models are summarized to illustrate their intrinsic consistency.
 
Key Words
    axial load; bending moment; compatibility; constitutive laws; equilibrium; reinforced concrete; shear; structural design; torsion; truss models.
 
Address
Department of Civil and Environmental Engineering, University of Houston, Houston, Texas, U.S.A.
 
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