Volume 20, Issue 1 (7-2001)
2001, 20(1): 83-95 |
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D. Mostofinejad. Experimental Investigation of Behavior of Glass Fiber Reinforced Concrete (GFRC). Journal of Advanced Materials in Engineering (Esteghlal) 2001; 20 (1) :83-95
URL: http://jame.iut.ac.ir/article-1-214-en.html
URL: http://jame.iut.ac.ir/article-1-214-en.html
Abstract: (8577 Views)
The paper presents the results of casting and testing of 264 GFRC specimens. The glass fibers were 25 mm long, with the aspect ratio (L/D) ranging between 1250 and 3570. The parameters studied were the ratio (by weight) of fibers to cement, i.e. F/C=0%, 1.5%, 3%, and 4.5%, and the ratio of coarse to fine aggregates (gravel to sand), i.e. G/S=1.1, 0.7 and 0.2. In total, 12 mix designs were selected for GFRC specimens while the water-cement ratio was constant and equal to W/C=0.4. The balling of glass fibers in the mix was overcome by using adequate and sufficient antistatic agents. The specimens were tested under compressive, tensile and flexular loading at the ages of 7 and 28 days. Furthermore, the modulus of elasticity and the absorption of the concretes were determined. Finally, the mechanical and physical properties of the GFRC specimens were analysed and an empirical expression describing the modulus of elasticity of the GFRC was proposed.
Keywords: Compression Strength, Glass Fiber Reinforced Concrete, GFRC, Mechanical Characteristics, Modulus of Elasticity
