Unified Theory of Concrete Structures develops an integrated theory that encompasses the various stress states experienced by both RC & PC structures under the various loading conditions of bending, axial load, shear and torsion. Upon synthesis, the new rational theories replace the many empirical formulas currently in use for shear, torsion and membrane stress.

The unified theory is divided into six model components: a) the struts-and-ties model, b) the equilibrium (plasticity) truss model, c) the Bernoulli compatibility truss model, d) the Mohr compatibility truss model, e) the softened truss model, and f) the softened membrane model. Hsu presents the six models as rational tools for the solution of the four basic types of stress, focusing on the significance of their intrinsic consistencies and their inter-relationships. Because of its inherent rationality, this unified theory of reinforced concrete can serve as the basis for the formulation of a universal and international design code.

• Includes an appendix and accompanying website hosting the authors’ finite element program SCS along with instructions and examples
• Offers comprehensive coverage of content ranging from fundamentals of flexure, shear and torsion all the way to non-linear finite element analysis and design of wall-type structures under earthquake loading.
• Authored by world-leading experts on torsion and shear

Thomas Hsu & Yi-Lung Mo, University of Houston, USA
Thomas Hsu is Moores Professor of Civil Engineering in the department of civil and environmental engineering at the University of Houston. Professor Hsu has been Principal and Co-Principal Investigator on funded projects for over 30 years, and has received project funding amounting to over $3.5 million, including 14 grants from National Science Foundation totaling $2.2 million. He established the University of Houston's Structural Research Laboratory, which is widely recognized and has supported over thirty Ph. D., M. S., and post-doctoral students. His research work has formed the basis for the shear and torsion design provisions in the American concrete Institute Building Code. His current research interests are in concrete, concrete structures, and structural mechanics. He has won numerous awards for his teaching and research, and has authored? or edited 3 books on reinforced concrete.

Yi-Lung Mo is Professor of Civil Engineering in the Department of Civil and Environmental Engineering at the University of Houston. His primary research interests are related to the behavior and design of reinforced/ pre-stressed concrete, steel, hybrid and composite structures subjected to seismic and blast loads. He has authored or edited 3 books on the topics of construction materials and concrete.