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BIAXIAL STRESS-STRAIN RELATIONSHIPS FOR CONCRETE
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1979
Year
EngineeringPlain ConcreteCivil EngineeringConcrete TechnologyReinforced ConcreteMechanical EngineeringStressstrain AnalysisFiber-reinforced Cement CompositeFailure Stress EnvelopeStructural PerformanceStructural ApplicationUltra-high-performance ConcreteStructural OptimizationStructural MechanicsConstruction EngineeringMechanics Of MaterialsStructural Engineering
On the basis of experimental results, a stress-strain relationship is proposed for plain concrete that is applicable to all combinations of biaxial tension and compression. The proposed equation accounts for both non-linear and orthotropic behaviour of concrete. Also based on experimental results, a biaxial ultimate strength criterion is proposed for concrete in the form of a failure stress envelope. The proposed equations are given in a form such that they may be incorporated readily in plane-stress analysis of reinforced concrete using the finite-element approach. (TRRL)