Institute for Transportation

The manual provides a summary of five advanced nondestructive methods, their potential, and current use in bridge inspections. The methods are: acoustic emissions (ae), ultrasonic testing (ut), magnetic flux leakage (mfl), radiographic testing (rt), and computer tomography (ct). Guidelines and recommendations are included to assist inspection personnel in selecting the most practical method to use on various materials and bridge components. The manual also explains the fundamental principles, describes the basic equipment, gives examples of applications, and lists the advantages and limitations of each method.