Aseries of non-intrusive testing methods—electronic speckle pattern interferometry (ESPI) and acoustic emission (AE)—were adapted to investigate the failure process of rock and concrete under wedge indentation. To help in identifying the development of micro-cracking, the visualization device in the Supercomputing Institute was used by this research group to determine the deformation process and estimate crack lengths from ESPI experiments.
Li-Hsien Chen, Graduate Student Researcher
Nathan Iverson, Graduate Student Reseacher
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