Depth Determination of Surface-Breaking Cracks in Concrete Slabs Using a Self-Compensating Ultrasonic Technique

摘要

For concrete bridge decks, the use of salt in cold weather areas is known to result in damage, such as freeze or thaw damage (microcracks) and surface breaking cracks. In this paper attention is directed to an ultrasonic method to scan for surface-breaking cracks and to determine the crack depth in concrete bridge decks.