Abstract
One of the most useful methods of enhancing the flexural ductility of beams reinforced by high strength fiber rebars is to get tensile co-operation of matrix To discuss such a point of ductile flexural behavior, direct tension tests, flexural tests and related analysis were executed The followings are concluded 1) A reasonable agreement is observed between the model prediction and experimental data for direct tension tests and flexural tests, supporting the validity of the proposed model 2) The important properties of matrix for ductile flexural behavior are tension softening behavior and pullout behavior of short fiber bridging cracks before the crack openings become 0 11mm
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