The minimal strength that concrete must have after 28 days of construction with sufficient quality control is known as the grade of concrete. Initialising M to the specified strength in MPa denotes the grade of concrete. For example, a concrete grade having a 20 MPa strength would be identified as M20, where M represents Mix.
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What are the concrete grades?
Shital metkari
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2023-02-07T09:54:46+00:00 2023-08-09T11:50:41+00:00Comment
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