Abstract
The paper deals with approaches to numerical modelling of fiber reinforced concrete in computer simulations of laboratory tests and the choice of input parameters of the used material model. Two types of fibers with 75 kg/m3 dosage are selected for comparison. The fibers used differ mainly in the geometry. The paper evaluates also of laboratory test the basic mechanical properties, which are subsequently used as input parameters in numerical models. The tests include compressive strength, splitting tensile strength and bending tensile strength from the three-point test. The three-point bending test is then used for 3D computer model and fracture-plastic material model. Specifically, it was used to evaluate of numerical simulations of load-displacement diagrams from the three-point test.
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