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UTILIZATION OF BY-PRODUCTS RROM CUTTING LIMESTONES AS FINE AGGREGALE IN MORTAR | ||
| AL-TAQANI | ||
| Article 1, Volume 18, Issue 2, 2005, Pages 0-0 | ||
| Abstract | ||
| Limestone is usually quarried for various constructional purposes. Cutting and dressing the stone generate huge amounts of by-product. The crushed limestone by-product is used in different proportions as an alternative for natural sand in the proportion of mortar. The amounts of water required to give good workability, the compressive strength at 3 & 7 days and tensile strength were measured. Reduction in the amounts of cement from that specified were carried out to know the effects on workability, water content and compressive strength. The results showed that the mortar prepared from crushed limestone and for all mix proportions gave compressive and tensile strength that complies with specifications. The mixing proportions must not exceed 50% of the amount of natural sand, through the scheme of reducing the specified amount of cement | ||
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