Bonding Properties of Basalt Fiber and Strength Reduction According to Fiber Orientation
AbstractThe basalt fiber is a promising reinforcing fiber because it has a relatively higher tensile strength and a density similar to that of a concrete matrix as well as no corrosion possibility. This study investigated experimentally the bonding properties of basalt fiber with cementitious material as well as the effect of fiber orientation on the tensile strength of basalt fiber for evaluating basalt fiber’s suitability as a reinforcing fiber. Single fiber pullout tests were performed and then the tensile strength of fiber was measured according to fiber orientation. The test results showed that basalt fiber has a strong chemical bond with the cementitious matrix, 1.88 times higher than that of polyvinyl alcohol fibers with it. However, other properties of basalt fiber such as slip-hardening coefficient and strength reduction coefficient were worse than PVA and polyethylene fibers in terms of fiber bridging capacity. Theoretical fiber-bridging curves showed that the basalt fiber reinforcing system has a higher cracking strength than the PVA fiber reinforcing system, but the reinforcing system showed softening behavior after cracking. View Full-Text
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Choi, J.-I.; Lee, B.Y. Bonding Properties of Basalt Fiber and Strength Reduction According to Fiber Orientation. Materials 2015, 8, 6719-6727.
Choi J-I, Lee BY. Bonding Properties of Basalt Fiber and Strength Reduction According to Fiber Orientation. Materials. 2015; 8(10):6719-6727.Chicago/Turabian Style
Choi, Jeong-Il; Lee, Bang Y. 2015. "Bonding Properties of Basalt Fiber and Strength Reduction According to Fiber Orientation." Materials 8, no. 10: 6719-6727.