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What is Nonlinear Concrete Modeling: Shear Strain about?

This document presents an incremental constitutive model for nonlinear concrete behavior. It defines deviatoric and octahedral strains and introduces secant and tangent moduli to describe the stress-strain relationship. The model formulations include: 1) stress calculation using secant bulk and shear moduli, 2) incremental stress-strain using tangent moduli, and 3) a matrix formulation using variable elastic moduli. The model enables nonlinear incremental analysis of concrete.

Author

Athila Vieira Lima UFC

Language

EN