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IMPROVING SOME OF PHYSICAL PROPERTIES OF CEMENT MORTAR BY THE ADDITION OF GLASS FIBERS | ||
| Journal of Engineering and Sustainable Development | ||
| Article 1, Volume 20, Issue 6, 2016, Pages 195-206 | ||
| Authors | ||
| Besma Mohammed Fahad; Mustafa Mohammed Hamza | ||
| Abstract | ||
| Glass fibers reinforced mortar is a modern composite material in the field of construction. This composite consists of cementitious matrix includes cement, sand and water and reinforcement which is represented by glass fibers. This study aims to show the effect of addition random dispersed glass fibers and layers glass fibers on water absorption, velocity of ultrasound wave passing through the reinforced mortar and acoustic impedance of mortar. Mixtures of 1:2 cement/sand ratio and 0.5 water/cement ratio were prepared to make the mortar. Two series of mortars reinforced by glass fibers (random and layers) were prepared. Each series were reinforced with different percentage (0.54, 0.76, 1.1 and 1.42)wt.%. Glass fibers reinforced mortar exhibits better properties than plain mortar. The increasing in glass fibers addition caused an improvement on mortar by reduction of water absorption, ultrasound wave velocity and acoustic impedance. The addition of glass fibers layers showed better properties than random addition after curing for 7 and 28 days. | ||
| Keywords | ||
| Random glass fibers; Glass fibers layers; Water absorption; acoustic impedance | ||
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