Non-destructive testing can be applied to both old and new structures. For new structures, the principal
applications are likely to be for quality control or the resolution of doubts about the quality of materials or
construction. The testing of old structures or existing structures is usually related to an assessment of
structural integrity or adequacy.
Typically, there are several methods for non-destructive testing of concrete. For this course, basic two
methods of non-destructive are determined i.e., Schmidt rebound hammer and ultrasonic pulse velocity.