Continuum Damage Mechanics of Fiber Reinforced Concrete

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Abstract
A nonlinear analytical model based on the principles of the Continuum Damage Mechanics is developed for the stress‐strain behavior of fiber reinforced concrete (or mortar) subjected to monotonic compressive and tensile loading. An equilibrium equation derived from a parallel bar arrangement of the composite material, coupled with the damage laws of the composite and the fibers, form the basis of this model. Stress‐strain curves generated from this model are compared to those acquired from experimental data. For both compressive and tensile loading, the analytical expression generates stress‐strain quantities well within the range of the scatter of the experimental data.

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