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EFFECT OF HIGH TEMPERATURE ON SOME PROPERTIES OF LIGHT WEIGHT CONCRETE | ||
| Al-Qadisiyah Journal for Engineering Sciences | ||
| Article 1, Volume 7, Issue 2, 2014, Pages 176-188 PDF (0 K) | ||
| Author | ||
| Mr. Haider M. Al-Baghdadi | ||
| Abstract | ||
| ABSTRACT In this study, effect of high temperature on the compressive and flexural strength of concrete used crushed clay brick as coarse aggregate were studied and compared the results with concrete containing normal coarse aggregate as a control mix. The replacement of normal coarse aggregates in concrete mixes was done at 0%, 50% and 100% by volume for concrete mixes with crushed clay brick as coarse aggregate. Concrete specimens were heated up to temperatures20oC, 100oC, 200oC, 300oC, 400oC and 500oC. Samples were allowed to cool down naturally to room temperature. After that, the maximum compressive and flexural strength were evaluated for each temperature above. Three samples were tested for each temperature. The compressive and flexural strength of concrete containing 100% of crushed clay brick as vcoarse aggregate gradually decreased (small loss) for all temperature increments compared with other two concrete mixes used (0% and 50%) by volume of crushed clay brick as coarse aggregate. However replacing 50% of normal aggregates with lightweight aggregates (crushed clay brick) by volume did not have a significant effect on the compressive and flexural residual strengths. | ||
| Keywords | ||
| crushed clay brick; compressive; flexural strength; lightweight aggregates; temperature | ||
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