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Increases in cement production in India over the years have been achieved with due considerations to the quality requirements. Systematic data on the quality characteristics of the cement produced in the last three decades indicate the compressive strength of cements to exceed the minimum requirements with sufficient margins. The overall coefficient of variation on the entire production from different plants has remained steady at a level of about 18%. The in-plant coefficient of variation ranges from 4 to 19%.
cement plants, cements, coal, compressive strength, fineness, India, portland cements, portland pozzolana cements, portland slag cements, quality, raw materials, specifications, surveys, tests, variation
Chairman and director-general, National Council for Cement and Building Materials, New Delhi,
Joint director, National Council for Cement and Building Materials, New Delhi,