CORRELATION BETWEEN NONDESTRUCTIVE TESTS AND DESTRUCTIVE TESTS OF THE STRENGTH OF CONCRETE (SCLEROMETER & ULTRASONIC)

Abstract

Interpretation of nondestructive testing for estimating con-crete compressive strength is based usually on correlationcharts for equipment manufacturers and other correlationsavailable in literature. These correlations are often con-fusing and their accuracy questionable. The main objectiveof this study is to propose simple correlations betweenrebound hammer and ultrasonic velocity tests with crushedcompressive strength for local concrete materials reflect-ing the current practices of construction sites in Algeria.