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Relation between standard deviation and mean strength of concrete test cubes
Tests on laboratory-made concrete of various mix proportions, types of cement, and ages at test show that standard deviation within batch and also between batches is directly proportional to mean strength of concrete; field data show similar effect of standard deviations; designing mixes on basis of constant coefficient of variation.
Relation between standard deviation and mean strength of concrete test cubes
Tests on laboratory-made concrete of various mix proportions, types of cement, and ages at test show that standard deviation within batch and also between batches is directly proportional to mean strength of concrete; field data show similar effect of standard deviations; designing mixes on basis of constant coefficient of variation.
Relation between standard deviation and mean strength of concrete test cubes
Mag Concrete Research
Neville, A.M. (author)
1959
10 pages
Article (Journal)
English
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