blasting design in indian limestone mines

Blasting Design In Indian Limestone Mines

(PDF) Investigation of Some Blast Design and Evaluation. Williamson, S., C. McKenzie and H. O’Loughlin, 1983, patterns on fragmentation in Indian opencast limestone Electric shovel performance as a measure of blasting mine, Quarry Management, 21-30. efficiency, Proc. 1st Int. Symp. on Rock Fragmentation 26.

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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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Final Report Role of blast design parameters on ground ...

Role of blast design parameters on ground ... Ground vibration induced by blasting is a serious environmental issue in Indian mines. With the increasing production targets from surface mining, it is likely to be compounded in future ... Limestone production has increased to 154 million tonnes and bauxite to 10.95 million tonnes. Most

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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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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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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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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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Final Report Role of blast design parameters on ground ...

Role of blast design parameters on ground ... Ground vibration induced by blasting is a serious environmental issue in Indian mines. With the increasing production targets from surface mining, it is likely to be compounded in future ... Limestone production has increased to 154 million tonnes and bauxite to 10.95 million tonnes. Most

More

Optimization of blasting design in open pit limestone ...

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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(PDF) Investigation of Some Blast Design and Evaluation ...

190 Investigation of Some Blast Design and Evaluation Parameters for Fragmentation in Limestone Quarries meters and the blasting results is of paramount over sizes (boulders), better is the blast performance. importance to clearly analyze and interpret the data, which, in turn, paves the pathway for improvement of 3.3 Cycle time the blast ...

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blasting in indian mines - malachitechemicals.co

blasting in indian mines - crusherasia . blasting design in indian limestone mines - Pakistan Crusher . Posted at: December 3, 2012. Final Report Role of blast design parameters on ground vibration Mining and Blasting Weblog of Partha Das Sharma For ... Use of Explosives Blasting in mining and civil is profitable ...

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Chapter 8 BLAST DESIGN - National Park Service

BLAST DESIGN (Figure 8-2) Staggered pattern (Figure 8-3) Sing (Figure 8-1) Square or rectangular pattern. 114 ... The economic analysis of the use of explosives is an important part of blasting operations in mining and construction. Explosives are energy, and the efficient use of this energy is a major factor in keeping rock blasting

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I UNDERGROUND BLASTING - Mining and Blasting –

The blasting procedure is the same as discussed previously. The production work can be subdivided into two categories: short-hole and long-hole blasting. Short-hole blasting The diameter and length of shotholes are usually limited to 43 mm and 4 m respectively. Short-hole blasting is usually used in breast stoping for narrow,

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RISK ASSESSMENT OF PROPOSED LIMESTONE MINES OF

Water accumulated in the mine pit and pumps shall be used to stop the fire. Danger due to Blasting: Blasting generates fly rocks, dust cloud, noise ground vibrations which lead to injury, hearing impairment, damage to civil structures. Mitigation measures such as control blasting and use of geo textile mat can minimize the damage to some extent.

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Controlled blasting in a limestone mine using electronic ...

A study was planned to assess the effect of total explosive fired in the blasting round on the magnitude of blast vibrations at four big coal opencast mines of India while keeping all other ...

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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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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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Effect of Type of Explosive and Blast Hole Diameter on ...

Mar 17, 2020  Rock fragmentation due to blasting depends upon many parameters. The properties of the explosive are one of them. In limestone quarries, ammonium nitrate–fuel oil (ANFO) or site mixed emulsion (SME) are generally used for rock fragmentation. Both these explosives cause substantial changes in the breakage mechanism of rockmass thereby affecting the fragmentation.

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Controlled blasting in a limestone mine using electronic ...

A study was planned to assess the effect of total explosive fired in the blasting round on the magnitude of blast vibrations at four big coal opencast mines of India while keeping all other ...

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Blasting in limestone mine, India - YouTube

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

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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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Blast Vibration and Fragmentation Control at Heavily ...

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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RISK ASSESSMENT OF PROPOSED LIMESTONE MINES OF

Water accumulated in the mine pit and pumps shall be used to stop the fire. Danger due to Blasting: Blasting generates fly rocks, dust cloud, noise ground vibrations which lead to injury, hearing impairment, damage to civil structures. Mitigation measures such as control blasting and use of geo textile mat can minimize the damage to some extent.

More

Effect of Type of Explosive and Blast Hole Diameter on ...

Mar 17, 2020  Rock fragmentation due to blasting depends upon many parameters. The properties of the explosive are one of them. In limestone quarries, ammonium nitrate–fuel oil (ANFO) or site mixed emulsion (SME) are generally used for rock fragmentation. Both these explosives cause substantial changes in the breakage mechanism of rockmass thereby affecting the fragmentation.

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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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Drilling and blasting - Wikipedia

Drilling and blasting is the controlled use of explosives and other methods such as gas pressure blasting pyrotechnics, to break rock for excavation.It is practiced most often in mining, quarrying and civil engineering such as dam, tunnel or road construction.The result of rock blasting is often known as a rock cut.. Drilling and blasting currently utilizes many different varieties of ...

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Blast design in opencast mining - SlideShare

Oct 12, 2017  1. BLAST DESIGN IN OPENCAST MINES Presented by Gopal Karmakar (Id- 511214015 ) and Jagat kumar (Id- 511214014) Mining Engineering IIEST Shibpur 2. Outline • Introduction • Drilling • Explosive used in opencast mine • Types of variables in blast design • Blasting patterns used in Indian opencast mines • Concept of optimum blasting ...

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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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Prediction of Blasting Cost in Limestone Mines Using Gene ...

Blasting cost Limestone mines Gene expression programming Non-linear multivariate regression Artificial neural ... 80 and calculate the blast design parameters for the particle size of 75-350 mm. ... of fly rock in Indian limestone mines using ANNs after propagation, and indicated that the amount of

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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 Sandvik Asia Pvt. Ltd. E-mail: *[email protected];

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blast pattern – Mining and Blasting

Oct 12, 2012  2. Contemplation of Blast Design: Blast designing is not a science, but knowledge, experience, studying and analyzing past practices in relation to rock strata geology etc., makes blaster to achieve perfection. Thus, for a blaster, valuable tool is the file of blast reports that he builds as he gains experience. Not only do these provide evidence of the quality of his work, but they also ...

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BOULDER PREDICTION IN ROCK BLASTING USING ARTIFICIAL ...

Faculty, Department of Mining Engineering, National Institute of Tech nology, Raipur, India E-Mail: [email protected] ABSTRACT This paper explains the development of an artificial neural network (A NN) model for estimating the number of boulders resulting from the blasts in Limestone quarries.

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