Abstract

A micromechanical finite element model is developed to simulate the response of a typical region of a fiber reinforced material load from the onset of load to failure. With this model, mechanical behavior of fiber reinforced cementitious materials can be studied, as the magnitide and distribution of the stresses in the matrix material, fibers, and fiber-matrix interface are calculated. With this knowledge, an understanding can be gained of why the composite behaves as it does and this behavior can be improved. There was agreement between the results of testing and micromechanical finite element modeling of the side-cracked tension specimens, Thus the model can be useful in evaluating existing composites or in the developement of new composites.

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