PERFORMANCE OF SFRC FOR FLEXURAL FATIGUE SUBJECTED TO VARIOUS STRESS RATIO’S AND STRESS RANGES
Keywords:
SFRC, flexural fatigue, SN curve, rigid pavements, fibrous concreteAbstract
SFRC now a days very useful for pavement construction. The fatigue strength of the pavement should be sufficient in order to withstand the load acting on it. In this paper performance of SFRC is checked for flexural fatigue subjected to different stress ranges and stress ratios in order to simulate practical loads. Total 70 prisms of size 75×100×500 with different percentage of fibers are casted and tested for different stress ratios. From the results S-N curves are drawn and regression equation has been established to find out life of the pavements. It is observed that flexural strength and fatigue performance increases with increase in percentage of fibers.