The minimum compressive strength of 1st and 2nd class bricks
Answer / durai
1st class brick - 105 kg/cm^2 2nd class brick - 70kg/cm^2
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Okay guys I m new here i wanna ask you that ,if i mix two three larger stones (about 20cm dia)in concrete for column or footings what actually happens, how the strength of concrete is reduced? and why it is not allowed?
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