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Experimental Study of Reinforced Light Weight Concrete Beams | ||
| Journal of University of Babylon | ||
| Article 1, Volume 24, Issue 4, 2016, Pages 1086-1098 | ||
| Author | ||
| Hassanien Mohammed Thiyab | ||
| Abstract | ||
| This study provides a new technique for a lightweight concrete on one side and contribute to the application of sustainability principle by another side. The lightweight concrete was produced by replacing the coarse aggregate in the concrete mix by crushed bricks after conducting the sieve analysis process. To apply this technique to reinforced concrete beams, seven specimens having dimensions (1200 mm length × 200mm height × 100 mm width) for each were poured. The first of these beams had made from ordinary concrete, and the rest lightweight different mix design as well as the casting of three cubes and a three-cylinder with each beam. After curing the specimens with water to the age 28 days, they were examined in the laboratory. Using different design mixes of concrete and with the help of super stabilizer material , good compressive strength of concrete was obtained so it become more effective lightweight in structure. By comparing between the results of the light and normal weight concrete beams, it is found reducing in the weight of concrete by about 23% due to using this technique ,the ultimate strength increased to about 32.1% and the deflection decreased about 46.7% . | ||
| Keywords | ||
| Lightweight concrete; Concrete beams; crushed bricks | ||
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