blasting techniques in dimensional mining

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  Optimized design of drilling and blasting operations in open …

  2018111 · Carefully engineered blasting will be an even more important aspect of successful open pit mining as already know in the past and moreover in the future as: (1) pits become deeper and steeper, (2) quality separation to avoid dilution and ore losses during blasting become paramount and (3) greater attention is paid to optimizing the entire mine …

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  A Review of Artificial Intelligence Applications in Mining and ...

  20201026 · Artificial intelligence (AI) is well-known as a robust technique that can support and improve the quality of human life. In the mining industry, applications of AI changed the sciences and technologies, as well as the performance of the mining industry, especially in mining and geological engineering. Smart mines were introduced and widely ...

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  Numerical investigations of mechanical behavior and …

  We utilize blasting fracturing techniques commonly used in mine development, combined with traditional hydraulic fracturing method, so that a complex fracture network can be better formed in the target reservoir.

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  Prediction of blast-induced dust emissions in surface mines …

  2022114 · Dust is one of the most significant challenges in the mining industry, which adversely impacts the environment and human health. This research develops a hybrid approach based on dimensional analysis and regression analysis (H-DAMRA) methods to predict dust emission distance due to the bench-blasting in a limestone surface mining …

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  Empirical Approach Based Estimation of Charge Factor and Dimensional ...

  202114 · Blasting with the aim to reduce oversize boulders in underground has many hurdles due to limited accessibilities and poor site conditions. Optimized drilling and blasting parameters can help to achieve this objective. The major challenges of the blast designers lie within deciding blast geometry, namely drill hole diameter, burden, and spacing. The …

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  Optimization of ring blasting in sublevel stoping gold mine

  20181231 · 1 INTRODUCTION. Lece mine utilizes sublevel stoping mining method with drilling and blasting as main. excavation technology. Drill holes (75mm) are drilled in ring/fan pattern from the level. of ...

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  Development of an empirical model for predicting the …

  201261 · Prediction of flyrock distance has a remarkable role in reduction and control of blasting accident in surface mines. In this paper, at first a new empirical equation for predicting flyrock distance was developed using dimensional analysis. The equation extended based on controllable blasting parameters that compiled from 150 blasting …

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  Blasting Methods in Mining and Quarrying – GRT review

  202141 · The article will cover types of blasting methods in Mining and Quarrying including blasting techniques in opencast mining.

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  Numerical Simulation of Gravity Flow in Sublevel Caving …

  20231220 · 1 Introduction Sublevel caving (SLC) is a mass mining method, in which the ore is fragmented by blasting, then the fragmented ore is extracted with the utilization of the gravity flow, while the waste rock caves and fills the space created by the extraction of ore which results in dilution of the ore by waste [ 1 ].

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  Analysis of unstable block by discrete element method during blasting ...

  20231116 · During the excavation process in fractured rock masses in underground mines, blasting excavation can cause dangerous block collapses on surrounding rock. The applicable blasting method can effectively reduce the damage of surrounding rock caused by blasting disturbance. In order to investigate the impact of blasting disturbances of …

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