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Keywords: upper interface
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Proceedings Papers
Experimental Study on the Ultrasonic Guided Wave Evaluation Method of the Integrity of Grouting Bolts
Available to Purchase
Paper presented at the 3rd ISRM Young Scholars Symposium on Rock Mechanics, November 8–10, 2014
Paper Number: ISRM-YSS-2014-131
... method was applied for ultrasonic guided wave testing. Then reflected waves from upper interface of grouting bolt was studied, and the results show that the upper interface reflected wave's reflection coefficient reaches its maximum value in the excited wave frequency range 0-100 kHz, when the frequency...