FINITE ELEMENT ANALYSIS OF CONCRETE BEAM WITH POLYVINYL ALCOHOL FIBER

This study presents the results of the computational modeling and analysis
for evaluating the effect of Polyvinyl Alcohol Fiber (PV A) as an internal
strengthening material to concrete beam. A concentrated load was applied to several
two pin simply supported beam model. A finite element method was used. The
results show that the internal PV A strengthening was able to increase the structural
strength capacity of the beam. From the stress contours, the failure mechanism
observed show that the strengthened concrete beam fail in the tension zone. The
possible failure of the strengthened concrete maybe due to crushing of concrete at
the bottom of beam. This type of failure generally, occurs when the stress exceed the
tensile strength of cement mortar. Therefore, structural strength of this concrete is
highly depending of the PVA.