Engineered cementitious composite (ECC) is a kind of high-performance material, it is featured by resistance to spalling, cracks, fire, and compressive stress of concrete. Polyvinyl Alcohol (PVA) fibers were considered as one of the most suitable polymeric fibers to be used as the reinforcement of engineered cementitious composites (ECC). So, an experimental research was carried out to study the behavior of concrete columns containing Poly Vinyl Alcohol fibers (PVA) under fire conditions and axial compression loads. In this research, a total of five reinforced concrete columns with constant longitudinal and transvers reinforcement, one of them had no fiber (control specimen) and the others containing constant ratio of polyvinyl Alcohol fibers
)PVA)=0.75% of concrete volume as a main component of concrete mix subjected to variables periods of fire ( 0.0 min,30 min,60min,and 120 min) of firing at 6000C were tested under concentric compression . The results proved that reinforced columns with (PVA) fiber gave higher results than concrete column without (PVA) fiber in terms of ultimate loads, stiffness, and fire resistance. |
