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how do i know quantity of cement sand and gravel in c20 concrete

Aug 03 2018 · We Know in one bag of cement 1226 CFT For Calculate in CFT Cubic Feet 8 x 1225 98 Cubic Feet CALCULATION FOR SAND QUANTITY Consider volume of concrete 1m 3 Dry Volume of Concrete 1 x 154 154 m 3 Sand 1555 x 154 042 m 3 ∴ 15 is a part of Sand 55 is sum of ratio Density of Sand is 1450m 3...We are a professional mining machinery manufacturer, the main equipment including: jaw crusher, cone crusher and other sandstone equipment;Ball mill, flotation machine, concentrator and other beneficiation equipment; Powder Grinding Plant, rotary dryer, briquette machine, mining, metallurgy and other related equipment. which can crush all kinds of metal and non-metallic ore, also can be dry grinding and wet grinding.If you are interested in our products or want to visit the nearby production site, you can click the button below to consult us.Welcome to our factory to test machine for free!

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