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1 December 1991 Dynamic photoelastic study on mechanism of short-delay blasting
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Abstract
The dynamic processes of stress waves propagation and cracks extension from adjacent boreholes in epoxy resin have been recorded with the dynamic photo-elastic apparatus (WZDD -1). New type synchronism control of large power multiple-row rounds detonate is solved. The general laws of break through of cracks have been analysed and studied preliminarily for adjacent boreholes detonated simultaneously or with a short delay time. New experimental techniques and useful information on practical basis have been offered for studying the mechanism of short delay blasting multiple-row rounds.
© (1991) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Renshu Yang and Yong Yang "Dynamic photoelastic study on mechanism of short-delay blasting", Proc. SPIE 1554, Second International Conference on Photomechanics and Speckle Metrology, (1 December 1991); https://doi.org/10.1117/12.49554
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