The strength of concrete is generally estimated after 28 days by crushing field test cubes or cylinders made from the representative concrete used for the structure. The utility of ascertaining strength after 28 days is often questioned since by this time considerable concrete womore...
Compliance With Following International Standards EN 12390-4, ASTM C39, AASHTO T22, IS : 14858 (2000) Automatic Test Execution Set test parameters - including load rate and Press the start button The machine automatically starts the rapid approach; switches to the test speed oncemore...
EN 12390-4, ASTM C39, AASHTO T22, IS : 14858 (2000) Automatic Test Execution Set test parameters - including load rate and Press the start button The machine automatically starts the rapid approach; switches to the test speed once the specimen comes into contact with the upper plmore...