Comparative Study of Glass Fibre and Steel Fibre in Reinforced Concrete

Abstract

Presently, a number of laboratory experiments on mechanical properties of SFRC have been done. Shah Surendra and Rangan], in their investigations conducted uniaxial compression test on fiber reinforced concrete specimens. The results shown the increase in strength of 6% to 17% compressive strength, 18% to 47% split tensile strength, 22% to 63% flexural strength and 8% to 25% modulus of elasticity respectively. Byung Hwan Oh in their investigations, the mechanical properties of concrete have been studied, these results shown the increase in strength of 6% to 17% compressive strength, 14% to 49% split tensile strength, 25% to 55% flexural strength and 13% to 27% modulus of elasticity respectively. Barrows and Figueiras in their investigations the mechanical properties of concrete have been studied. These results shown the increase in strength of 7% to 19% compressive strength, 19% to 48% split tensile strength, 25% to 65% flexural strength and 7% to 25% modulus of elasticity respectively. Chen S. investigated the strength of 15 steel fiber reinforced and plain concrete ground slabs. The slabs were 2x2x0.12m, Paper ID: NOV163300 690International Journal of Science and Research (IJSR) ISSN (Online): 2319- 7064 Index Copernicus Value (2013): 6.14 | Impact Factor (2015): 6.391 Volume 5 Issue 5, May 2016 www.ijsr.net Licensed Under Creative Commons Attribution CC BY reinforced with hooked end steel fibers and mill cut steel fibers. Dwaraknath and Nagaraj predicted flexural strength of steel fiber concrete by these parameters such as direct tensile strength, split cylinder strength and cube strength. James and Beaudoin stated that the minimum fiber volume dosage rate for steel, glass and polypropylene fibers in the concrete matrix was calculated approximately 0.31%, 0.40% and 0.75%. Patton and Whittaker investigated on steel fiber concrete for dependence of modulus of elasticity and correlation changes on damage due to load. Rossi et. al , analyzed that the effects of steel fibers on the cracking at both local level (behavior of steel fibers) and global level (behavior of the fiber/cement composite) were dependent to each other. Seneret. alcalibrated the size effect of the 18 concrete beams under four-point loading. Swami and Saad], had done an investigation on deformation and ultimate strength of flexural in the reinforced concrete beams under 4 point loading with the usage of steel fibers, where consists of 15 beams (dimensions of 130x203x2500mm) with same steel reinforcement (2Y-10 top bar and 2Y-12 bottom bar) and variables of fibers volume fraction (0%, 0.5% and 1.0%). Tan et. al [9] concluded some investigation on the shear behavior of steel fiber reinforced concrete. Six simply supported beams were tested under two- point loading with hooked steel fibers of 30mm long and 0.5mm diameter, as the fiber volume fraction increased every 0.25% from 0% to 1.0%. Vandewalle had done a similar crack behavior investigation, which based on combination of five full scale reinforced concrete beams (350x200x3600mm) with steel fibers (volume fraction of 0.38% and 0.56%).In his investigation, the experimental results and theoretical prediction on the crack width was compared Concrete is most generally utilized development material on the planet. Fibre strengthened cement (FRC) is a solid where little and intermittent filaments are scattered consistently. The fibers used in FRC capacity be of many materials similar steel, G.I., carbon, glass, aramid, asbestos, polypropylene, jute and so on. The expansion of these filaments into solid mass can drastically expand the compressive quality, rigidity, flexural quality and effect quality of cement. FRC has open numerous applications in structural building field. In view of the research center examination on fibre strengthened cement (FRC), solid shape and chambers examples have been structured with steel fibre fortified cement (SFRC) containing strands of 0% and 0.5% volume division of snare end Steel filaments of 53.85, 50 angle proportion and antacid safe glass strands containing 0% and 0.25% by weight of concrete of 12mm cut length were utilized without admixture. Contrasting the consequence of FRC and plain M20 grade solid, this paper approved the constructive outcome of various filaments with rate increment in pressure and parting improvement of example at 7 and 28 days, broke down the affectability of expansion of strands to concrete with various quality.