Grade of concrete

How to calculate cement, sand and aggregate required for 1 cu.m of concrete (Concrete Mix Design). Different grades of concrete and how to chose the grade

That's 8 bags of cement, 15 CFT of sand and 30 CFT of aggregate are required for one cubic meter (1m3) of M20 concrete. A typical M20 grade of concrete requires 8 bags of cement, 15 CFT of sand and 30 CFT of aggregate per cubic meter.

Different proportions of the same four ingredients yield different strength mixes of concrete for structural and non-structural parts of a building

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In this article you can know about different types of concrete grades and its strength

Project Report on Concrete Mix Design of Grade M35 - Download as a PDF or view online for free

Concrete slump test to determine the workability of concrete mix. Concrete slump test is carried out to check the uniform quality during construction.

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The spread footing behaves like an inverted cantilever with loads applied in the upward direction. As a rule, a spread footing is a quite rigid element therefore, the applied soil stresses are almost linear and in case of a symmetric (with respect to the pedestal) footing, they are orthogonal.

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