Nondestructive evaluation of grout defect in rock bolt using electromagnetic waves
This study aims to inspect grout defects in rock bolts using electromagnetic (EM) waves. The experiments are conducted using one intact rock bolt and eight defective rock bolts with defect ratios (DR) of 10–50%. A two-conductor transmission line is configured using a pair of rock bolts to transmit E...
Main Authors: | Jong-Sub Lee, Jung-Doung Yu |
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Format: | Article |
Language: | English |
Published: |
Elsevier
2024-03-01
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Series: | Developments in the Built Environment |
Subjects: | |
Online Access: | http://www.sciencedirect.com/science/article/pii/S2666165924000462 |
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