Measurement of the Length of Installed Rock Bolt Based on Stress Wave Reflection by Using a Giant Magnetostrictive (GMS) Actuator and a PZT Sensor
Rock bolts, as a type of reinforcing element, are widely adopted in underground excavations and civil engineering structures. Given the importance of rock bolts, the research outlined in this paper attempts to develop a portable non-destructive evaluation method for assessing the length of installed...
Main Authors: | Mingzhang Luo, Weijie Li, Bo Wang, Qingqing Fu, Gangbing Song |
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Format: | Article |
Language: | English |
Published: |
MDPI AG
2017-02-01
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Series: | Sensors |
Subjects: | |
Online Access: | http://www.mdpi.com/1424-8220/17/3/444 |
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