blasting design in indian limestone mines

Limestone extraction – underground mining techniques ...

Surface limestone mining. All over the world, the limestones are generally mined from a quarry or the open pit mining. It is the easiest way to remove the limestone without causing much destruction. In surface mining or open pit mining, the top soil and the overburden covering the mineral is removed. Then by the process of drilling the rocks or ...

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Controlled blasting in a limestone mine using electronic ...

Jan 25, 2017· Abstract. JOURNAL GEOLOGICAL SOCIETY OF INDIA Vol.89, January 2017, pp.87-90 Controlled Blasting in a Limestone Mine using Electronic Detonators: A Case Study 1* 2 1 Arvind K. Mishra, Y. K. Nigam and Deepanshu R. Singh Department of Mining Engineering, Indian Institute of Technology (ISM), Dhanbad – 82 6004, India Asia Pvt. Ltd. E-mail: *[email protected] ; …

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Optimization of blasting design in open pit limestone ...

Jun 02, 2020· Blasting operations create significant problems to residential and other structures located in the close proximity of the mines. Blast vibration is one of the most crucial nuisances of blasting, which should be accurately estimated to minimize its effect. In this paper, an attempt has been made to apply various models to predict ground vibrations due to mine blasting.

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Controlled blasting in a limestone mine using electronic ...

Jan 25, 2017· Except for very deep-seated deposits, open cast mining method has been recognized as the safest and most productive mode for mining minerals. Ever growing demand in minerals and coal has compelled the mine operators to increase the size of mine, which has resulted in an increasing trend towards large capacity open cast projects. Explosives and blasting techniques play a significant role …

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PROCEDURES FOR BLASTING

Binary Explosive – A blasting explosive formed by the mixing of two plosophoric materials, for example, ammonium nitrate and nitromethane. Blast Pattern – The plan view of the drill holes as laid out for blasting. Blast Plan – A written procedure that details the …

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Investigation Of Firing Patterns On Fragmentation In An ...

investigation of firing patterns on fragmentation in an indian opencast limestone mine.pdf; Listed in Drilling & Blasting. For efficient blasting practice the parameters incorporated in a blast design can be categorized as: rock parameters, explosive parameters and blast-design parameters.

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Optimization of blasting design in open pit limestone ...

Optimization of blasting design in open pit limestone mines with the aim of reducing ground vibration using robust techniques. ... Indian 1.001381 69.99199 0.699064 0.900209 87.50964 0.881789.

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Islamic Azad University Influence of Front Row Burden on ...

Surface Limestone Mines Bhanwar Singh Choudhary*1, Rajesh Arora1 1. Department of Mining Engineering, IIT(Indian School of Mines), Dhanbad-826004, India. Received 17 April 2017; accepted 9 December 2017 Abstract Front row burden is one of the key parameter to improve the bench blasting results. Improper design of the front row burden can

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Blasting Design In Indian Limestone Mines

Prediction of Blast-induced flyrock in Indian limestone. Blast design and geotechnical parameters, such as linear charge concentration, burden, stemming length, specific charge, unconfined compressive strength (UCS), and rock quality designation (RQD), have been selected as input parameters and flyrock distance used as output parameter.

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Stemming material and Inter-row delay timing effect on ...

Feb 04, 2021· Rai P 2002 Evaluation of the effect of some blast design parameters on fragmentation in an opencast mine. Ph.D thesis, Banaras Hindu University, Varanasi, India. 2. Cevizci H and Özkahraman H T 2012 The effect of blast hole stemming length to rockpile fragmentation at limestone quarries. Int. J. Rock Mech. Mini. Sci. 53: 32–35

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Study on Blasting Safety Technology Applied in Karst ...

Jan 01, 2014· Combines the geology features of Karst mine, the effect of Karst on stress wave propagation in rock, rock crushing and blasting crater formed were analyzed, Different forms of Hole-by-Hole detonation network was designed, Blasting network and blasting parameters were optimized, Hole-by-Hole detonation was tested in the field, Tests showed that hole-by-hole blasting technology …

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Blasting in Mines - Science, Technology & Engineering ...

Blasting in Mines. 42 likes. This book teaches how various types of explosives are made and utilized for Mining Production. It is a core undergraduate Mining Engineering subject.

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Optmization of blasting parameters in open cast mines

Aug 20, 2016· Optmization of blasting parameters in open cast mines 1. OPTMIZATION OF BLASTING PARAMETERS IN OPEN CAST MINES A Project Report Submitted in partial fulfilment of requirements for award of dual degree of Bachelor of Technology and Master of Technology in Mining Engineering By Anurag Kumar Jha Exam Roll no.-511214025 SESSION 2015-2016 DEPARTMENT OF MINING ENGINEEING INDIAN …

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Environmental Hazards of Limestone Mining | Education ...

Blasting and Construction. Limestone mines use two types of blasting. Small explosive charges set along drilled lines free blocks of stone to be removed for construction. Large charges reduce whole areas of limestone to rubble, which is removed for use as crushed stone. The noise, dust, and impact from explosions can result in noise pollution ...

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Prediction of blast-induced flyrock in Indian limestone ...

Trivedi et al. (2014) also predicted the blast-induced flyrock in the Indian limestone mines using the ANN and the multivariate regression analysis. Blast design and geotechnical parameters, such ...

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Blast Vibration and Fragmentation Control at Heavily ...

Feb 09, 2021· Indian Standard (1973) Criteria for safety and design of structures subjected to underground blast. ISI Bull., IS-6922. Langfors U, Kihlstrom B (1978) The modern techniques of rock blasting.

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Optimization of blasting design in open pit limestone ...

Optimization of blasting design in open pit limestone mines with the aim of reducing ground vibration using robust techniques June 2020 DOI: 10.1007/s40948-020-00164-y(0123456789().,-volV()

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Blasting - SlideShare

Nov 19, 2013· blasting 1. blasting most basic unit operation of any mining activity 2. objective • rock is blasted either to break in to smaller pieces such as in most mining and quarrying operations or large blocks for dimensional stone mining and some civil engineering application, or to create space.

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GG o f Journal of Geology & Geophysics Aloui et al., Geol ...

poor blast designs, air blast can travel for long distances [11]. The over pressure may be expressed in Pascal (Pa) or with decibels (dB). The dB is calculated by the following formula (2): P log P P dB = 20 /(0) (2) Where P is the measured pressure. P 0 is the reference pressure of 2 10-5 Pa. Air blast is an atmospheric pressure waves ...

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Environmental concerns of blasting projects in limestone mines

Jan 01, 2010· A significant attention has been focused on the environmental effects of blasting activities. Since some of the limestone mines are located close to the administrative buildings and production facilities, an environmental evaluation of the blasting impact in neighbouring areas is necessary. The most important concerns about the human health and safety are flyrocks, vibrations …

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Prediction of blast-induced flyrock in Indian limestone ...

Full length article Prediction of blast-induced flyrock in Indian limestone mines using neural networks R. Trivedia, T.N. Singhb,*, A.K. Rainac aCentral Institute of Mining and Fuel Research ...

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Effects of Rock Mass Conditions and Blasting Standard on ...

Rock blasting is the rock excavation technique most widely adopted in the various fields of the mining and con- struction industries because of its economical and efficient aspects [1]. In surface mines and quarries, the main objective is to exact the largest possible quantity at minimum cost.

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Environmental impact of blasting at Drenovac limestone ...

Jun 08, 2014· In present paper, the blast-induced ground motion and its effect on the neighboring structures are analyzed at the limestone quarry "Drenovac" in central part of Serbia. Ground motion is examined by means of existing conventional predictors, with scaled distance as a main influential parameter, which gave satisfying prediction accuracy (R > 0.8), except in the case of …

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Blasting in limestone mine, India -

Blasting in limestone mine, India. Footage taken 500m away from the site

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Prediction of blast-induced flyrock in Indian limestone ...

Oct 01, 2014· Experimental blasts have been conducted in 4 limestone mines in India. Out of datasets of 125 experimental blasts, 95 datasets have been used to train the neural network; remaining datasets are used for testing and validation of neural network.

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Blast Design Software | Blasting Pattern Software | Blast ...

Blast Design. Generates blast plan and according to the delay pattern structure, simulation. BLAst DESigner Software (BLADES) calculates blast plan parameters, explosives charge distribution, initiation timing and sequence, results in terms of rock breakage and fragment size distribution.

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Limestone: The Calcium Carbonate Chemical Sedimentary Rock

Underground mining of limestone has some advantages over surface quarrying and will probably increase in the future. Typical public concerns about limestone mining include dust, noise, blasting vibration, and truck and other traffic associated with quarry operations. Some limestones are also aquifers, that is, they are rock units that can yield ...

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Optimization of Blasting Parameters in opencast Mines

Drilling and blasting are the major unit operations in opencast mining. Inspite of the best efforts to introduce mechanization in the opencast mines, blasting continue to dominate the production. Therefore to cut down the cost of production optimal fragmentation from properly designed blasting …

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