Application of Dynamic Numerical Code for Rock Blasting
Mohammed Sazid
Mohammed Sazid, Assistant Professor, King Abdulaziz University, Jeddah, Kingdom of Saudi Arabia.
Manuscript received on July 02, 2017. | Revised Manuscript received on July 14, 2017. | Manuscript published on July 15, 2017. | PP: 9-13 | Volume-4, Issue-12, July 2017. | Retrieval Number: K10490641117/2017©BEIESP
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Abstract: The development of rock blasting technology is dynamic in nature and concepts of blast theory were customized from time to time based on field results. A number of physical models were tested and verified to comprehend effect of explosive types, blast geometry, rock types etc. Field experiments are time consuming as well as costlier too and many a times it is not possible to conduct field trials with varying parameters due to production pressure. Although, advance field instrumentation technology have been developed to monitor the rock blasting phenomenon but still there are more critical parameters which cannot be measure from field experimentation because of short duration of time. As a results, numerical modeling tool are now considered to be versatile and expedient to simulate the prototype more efficiently. This paper mainly focuses on the results of dynamic numerical modeling using Abaqus/explicit tool to understand rock mass respond and its breakage mechanism, energy utilization history etc. In this paper, a field condition was simulated for single and multiple hole blast to understand the wave propagation mechanism around the blast vis-à-vis effective energy utilization.
Keywords: Rock blasting, Dynamic numerical modelling, Abaqus/explicit, Energy utilization.