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Write a few points about the cement |
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Answer» T IS AN IMPORTANT BUILDING MATERIAL.EMPLOYED IN DIFFERENT KINDS OF CONSTRUCTION . ⭕1] CALCEROUS SUBSTANCE: Which SUPPLY CaO such as limestone chalk marble Marine Shields etcccc.⭕2] ARGILLACEOUS SUBSTANCE: Containing is SiO2 and Alumina these are clay, Slate, shell and blast furnace slag .⭕3] GYPSUM: CaSo4 .2H2O It is added in calculated quantity in order to adjust the RATE of setting of cement .⭕4]For a good quality cement the ratio of SiO2 to Al3O3 should be between 2.5 and 4.0 ⭕5] For the MANUFACTURING of cement lime stone and clay are fused by strong heating to form cement clinker .▶️1) Mixeed with sorel cement is used for plastering2) It is used in the construction of tunnels, dams, houses, roads ,bridges etcccc |
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