Mechanical Properties of Glass Fiber Reinforced Concrete(English)

Abstract

Abstract:This paper described an experimental study ofsome mechanical properties of glass fibers reinforced mortar (GFRM) and concrete (GFRC), namely tensile, compressive strength and young `s modulus. The investigation is designed to find out the effect of glass fiber content (0, 600, 1000, and 1400)gm/m3 on the mechanical properties of glass fiber reinforced concrete and mortarat 28 and 14 days respectively. The results indicate that the addition(600, 1000, 1400) gm/m3 of glass fiber to concrete and mortar increased the splitting tensile strength by approximately (1,4.3,12.5)% and (5.4,7.7,17)%for concrete and mortar respectively.The results indicate also that compressive strength of concrete increasedby ratios (3.6,7.1,9.3)% and for the mortar increases by (2) %for fibers content (600) gm/m3 and (0.8,0.4)%forfiberscontent(1000,1400)gm/m3.Based on this study the young modulus ofGFRCincreasedby (9.7,56.6,84)% due to glass fibers content in concrete.Key words: glass fiber, concrete, mortar, compressive strength, tensile strength.

Keywords

Abstract: This paper described an experimental study ofsome mechanical properties of glass fibers reinforced mortar, GFRM and concrete, GFRC, namely tensile, compressive strength and young `s modulus. The investigation is designed to find out the effect of glass fiber content, 0, 600, 1000, and 1400gm/m3 on the mechanical properties of glass fiber reinforced concrete and mortarat 28 and 14 days respectively. The results indicate that the addition, 600, 1000, 1400 gm/m3 of glass fiber to concrete and mortar increased the splitting tensile strength by approximately, 1, 4.3, 12.5% and, 5.4, 7.7, 17%for concrete and mortar respectively.The results indicate also that compressive strength of concrete increasedby ratios, 3.6, 7.1, 9.3% and for the mortar increases by, 2 %for fibers content, 600 gm/m3 and, 0.8, 0.4%forfiberscontent, 1000, 1400gm/m3.Based on this study the young modulus ofGFRCincreasedby, 9.7, 56.6, 84% due to glass fibers content in concrete. Key words: glass fiber, concrete, mortar, compressive strength, tensile strength.