Measuring and testing – Testing by impact or shock
Patent
1997-06-13
1999-11-16
Noland, Thomas P.
Measuring and testing
Testing by impact or shock
73594, G01N 330
Patent
active
059837012
ABSTRACT:
A portable system for non-destructive evaluation of geological material structures comprises an impact device which impacts a spherical surfaced member against the surface of the structure. A vertical displacement transducer and a horizontal displacement transducer detect reflected signals from an interface of the structure, the signals being processed to give a indication of the depth of the interface from the surface of the interface and also provide an evaluation of the physical properties of the structure.
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Proceedings of the 2nd North American Rock Mechanics Symposium: NARMS 96, A Regional Conference of ISRM, Montreal Quebec, Canada,, Jun. 19-21, 1996, Rock Mechanics Tools and Techniques, Application of MSR for Evaluation of Excavated Tunnel and Shaft Concrete, F.P. Hassani, A. Sadri and M. Momayez pp. 875-882.
Hassani Ferri P.
Momayez Moe
Sadri Afshin
Noland Thomas P.
The Royal Institution for the Advancement of Learning
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