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crushing strength of concrete prosedure

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crushing strength of concrete prosedure

Apr 17 2020 · Concrete compressive strength for general construction varies from 15 MPa 2200 psi to 30 MPa 4400 psi and higher in commercial and industrial structures What is compressive strength after 7 days and 14 days Compressive strength achieved by concrete at 7 days is about 65 and at 14 days is about 90 of the target strength... As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.

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