Click for new scientific resources and news about Corona[COVID-19]

Paper Information

Journal:   INTERNATIONAL JOURNAL OF MINING AND GEO-ENGINEERING   2017 , Volume 51 , Number 1; Page(s) 53 To 62.
 
Paper: 

NUMERICAL ANALYSIS OF THE PRIMER LOCATION EFFECT ON GROUND VIBRATION CAUSED BY BLASTING

 
 
Author(s):  BAHADORI MOEIN, BAKHSHANDEH AMNIEH HASSAN*
 
* SCHOOL OF MINING, COLLEGE OF ENGINEERING, UNIVERSITY OF TEHRAN, TEHRAN, IRAN
 
Abstract: 

Ground vibration is one of the undesirable outcomes of blasting operations. Different methods have been proposed to predict and control ground vibration that is caused by blasting. These methods can be classified through laboratory studies, fieldwork and numerical modeling. Among these methods, numerical modeling is the one which takes into account the basic principles of mechanics and provides step by step time-domain solutions to save time and budget. In order to use numerical analysis in predicting the results of blasting operations, the accuracy of the output must be verified through field test. In this study, the ground vibration caused by blasting in a field operation in Miduk Copper Mine was recorded using 3-component seismometers of the Vibracord seismograph and analyzed by Vibration-Meter software. Propagation of the waves caused by blasting in the mine slope was modeled using discrete element logic in the UDEC numerical software and was compared to that of the field test. Having tested the accuracy of the results, the effect of primer location and the direction of detonation propagation in the blast hole on the rate of ground vibration caused by blasting was investigated. The results show that by changing primer location from the bottom of the hole to its top, the rate of ground vibration caused by blasting increases.

 
Keyword(s): BLASTING, GROUND VIBRATION, NUMERICAL MODELING, PRIMER, VIBRACORD SEISMOGRAPH, MIDUK
 
References: 
  • ندارد
 
  pdf-File tarjomyar Yearly Visit 62
 
Latest on Blog
Enter SID Blog