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This technical note describes a new technique for measuring the roughness profile of rock joints or discontinuities. This new technique involves use of a laser displacement meter (LDM) and a linear variable differential transformer (LVDT). The technique improves precision and speed of the measurement. A comparison of this technique with existing methods for measuring the roughness profile is presented.
Professor, National Cheng Kung University, Tainan,
Associate professor, Clemson University, Clemson, SC
Stock #: GTJ10577J