The GROPE model is a design a nd economic pllllllliog tool for analyzing surface mineral deposits. GROPE is an acronym representing the functions of the model which are: Grade and reserve estimation, Revenue and eost computations, Open pit design, Production scheduling and plant sizing and Evaluation.
Controllable parameters are mainly related to explosive characteristics and blast hole design parameters, which can be changed by mine administrations. The other parameters, which is natural and uncontrollable, is related to geological conditions, rock characteristic and the .
Hofman reported the use of continuous surface miners as a technology for opencast mines in 1987 (Pradhan, 2012). However, it took another 10 years to make this technology on roads on mines. By the year 2008 more than 40 surface miners were employed .
Designing BlastFree Opencast Coal Mine: A Socioecoefficient Production System ... made simple tools and a comparative study was made to examine the benefits of the design over the prevalent practice. ... laterite, morrum, conglomerate, basalt, clay, fireclay, shale, sandstone, limestone, coal etc. Most of the rocks in these layers inevitably ...
The study site is an opencast mine of phosphate located in southwestern Tunisia, about 5 Km north of Metlaoui (Figure 1). The ... Case of Metlaoui Mining Basin, Southwestern Tunisia Monia Aloui 1*, Yannick Bleuzen 2, ... influenced by numerous factors such as blast design, weather, field characteristics, and human response. Air blast ...
Blasting Impact Assessment for the proposed New Largo Colliery based on New Largo Mine Plan 6. A J Rorke AJR_NL001_2011 Rev 4 13 Where C is the peak amplitude or peak particle velocity, R is the distance between the blast and the point of concern and W is .
Energy Performance of Dump Trucks in Opencast Mine Lalit Kumar Sahoo, Santanu Bandyopadhyay and Rangan Banerjee ... speed, wind speed etc. A case study of down gradient opencast limestone mine of capacity 2600 t/h shows a fuel savings of 15%. An achievable minimum SFC of 86 g/ton of ore handled is estimated using proposed model. ... Design data ...
Blasting Mats – Mats used to cover a blast in an urban situation where flyrock cannot be tolerated and the situation dictates that explosives are loaded fairly high up in the holes. Note that it is not practical to cover large blast areas, and prevention of flyrock is best addressed in blast design for those situations.
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Flyrock danger zone demarcation in opencast mines: a risk based approach. ... Application of factor of safety for evaluation of flyrock risk in some limestone mines. J Blast Fragm 2(2):147–166 ... Flyrock prediction and control in opencast metal mines in India for safe deephole blasting near habitats—a futuristic approach. CMRI ...
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Mine wastes management Mining wastes is generated during the process of extraction, beneficiation and processing of ... Opencast mines are therefore more pollution intensive as they generate much higher quantities of waste compared to the underground mines. ... limestone mines in India is 1: For largescale cement sector with captive mines ...
The blasting operation plays a pivotal role in the overall economics of opencast mines. The blasting subsystem affects all the other associated subsystems, loading, transport, crushing and milling operations. Fragmentation control through effective blast design and its effect on productivity are the challenging tasks for practicing blasting engineer due to inadequate knowledge of actual ...
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Prediction of BlastInduced Flyrock in Opencast Mines ... The aim of present study is prediction of blastinduced flyrock distance in opencast limestone mines using artificial intelligence techniques such as artificial neural network (ANN) and adaptive ...
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