# Measurement of the Length of Installed Rock Bolt Based on Stress Wave Reflection by Using a Giant Magnetostrictive (GMS) Actuator and a PZT Sensor

> Research article (Sensors, 2017) · cited 30× · AI/ML

**Wikidata**: [openalex:W2591420977](https://www.wikidata.org/wiki/openalex:W2591420977)  
**Source**: https://4ort.xyz/entity/measurement-of-the-length-of-installed-rock-bolt-based-on-stress-wave-reflection-by-using-a-giant-magnetostrictive-gms-a