Investigation of the rate dependence of fracture propagation in rocks using digital image correlation (DIC) method
Abstract
Loading rate is the main controlling factor in dynamic failure of rocks. In this paper, digital image correlation (DIC) combined with ultra-high speed photography is utilized to study the loading rate effect of a granitic rock – Laurentian granite using notched semi-circular bend (NSCB) method. The dynamic stress intensity factors and crack tip positions are determined from the displacement fields obtained using DIC. Fracture time, fracture...
Paper Details
Title
Investigation of the rate dependence of fracture propagation in rocks using digital image correlation (DIC) method
Published Date
Apr 1, 2015
Volume
138
Pages
146 - 155
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