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A Novel Ultrasonic Method To Quantify Bolt Tension, Jairo Andres Martinez Garcia
A Novel Ultrasonic Method To Quantify Bolt Tension, Jairo Andres Martinez Garcia
USF Tampa Graduate Theses and Dissertations
The threaded fasteners are one of the most versatile methods for assembly of structural components. For example, in bridges large bolts are used to fix base columns and small bolts are used to support access ladders. Naturally not all bolts are critical for the operation of the structure. Fasteners loaded with small forces and present in large quantities do not receive the same treatment as the critical bolts. Typical maintenance operations such tension measurements, internal stress checking or monitoring of crack development are not practical due to cost and time constrains. Although failure of a single non-critical fastener is not …