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CALCULATION FOR CEMENT QUANTITY Cement= 1/5.5 x 1.54 = 0.28 m 3 ∴ 1 is a part of cement 5.5 is sum of ratio Density of Cement is 1440/m 3 = 0.28 x 1440 = 403.2 kg We know each bag of cement is 50 kg For Numbers of Bags = 403.2/50 = 8 Bags We Know in one bag of cement = 1.226 CFT For Calculate in CFT Cubic Feet = 8 x 1.225 = 9.8 Cubic

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Cement and its effect to the environment A case study in SriLanka Nisa Zainudeen Email nisazd yahoo dry process for manufacturing cement Mohanty 1997 Puttalam Cement Company Ltd is the grinding of raw materials in the raw mill storage of raw meal in a raw mill silo blending of limestone powder to control CaCO3 percentage More Info

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Weight of Coarse Aggregates = volume x density Density of Coarse Aggregates = 1520 kg/m 3 Weight of Coarse Aggregates = 0.84 x 1520 = 1276.8 kg 1.28 tonnes The above calculation you can use for all Grade of Concrete but just you have to put the different Grade of concrete like M10 M 15 M20 M25 etc just here with grade of concrete you

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Charging capacity of grinding medium 230 ton The raw material for cement production has a high abrasion rate Consequently when calculating the assortment the balls with increased volumetric hardness have been taken into account Into the first chamber of two chamber mill is loaded with balls from 80 to 40 mm in diameter.

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The calculation the average diameter of the grinding ball in each chamber showed that the following assortment of grinding balls should be used for maximum effective grinding Into the first chamber 80mm53 tons 70mm33 tons 60mm10 tons 50mm10 tons 40mm3 tons The average diameter of this assortment is 71mm.

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Cement Manufacturing Process Phase II Proportioning Blending Grinding The raw materials from quarry are now routed in plant laboratory where they are analyzed and proper proportioning of limestone and clay are making possible before the beginning of grinding Generally limestone is 80 and remaining 20 is the clay.

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The quantities of materials for 1 m3 of concrete production can be calculated as follows The weight of cement required = 7.29 x 50 = 364.5 kg Weight of fine aggregate sand = 1.5 x 364.5 = 546.75 kg Weight of coarse aggregate = 3 x 364.5 = 1093.5 kg Concrete Calculator Calculate Quantities of Materials for Concrete

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Cement Grinding Optimization 1 CEMENT GRINDING OPTIMISATION Dr Alex Jankovic Minerals Process Technology Asia Pacific Brisbane Australia e mail alex.jankovic Dr Walter Valery Minerals Process Technology Asia Pacific Brisbane Australia Eugene Davis Minerals Asia Pacific Perth Australia ABSTRACT The current world consumption of cement is

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