Blasting Practices In Mines P Sharma
Principles and Practices of Rock Blasting
Theory of rock blasting. 3. Practical Challenges with rock blasting. 4. Blasting Practices at large opencast coal mines. 5. Charge factor and dimensional parameters for excavation in openpit iron ore mines. 6. Excavation using drilling and blasting in limestone quarries. 7. Rock blasting for laying foundation of an industrial establishment.
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BLAST VIBRATION MONITORING IN OPENCAST MINES
In this report the blast vibration monitoring techniques is studied. Ground vibration induced by blasting practices in mines has become a serious environmental issue in today's scenario. Various factors influence the blast vibration being produced from the blasting practices such as the pattern of blasting, drilling pattern, quality and quantity of explosives …
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Controlled Blasting Within Danger Zone of 500 M From
The controlled blast design patterns have been developed for the three mines viz. Pachhwara (North) Coal Mines, Talabira II & III OCP and Chatti Bariatu Coal Mine Project. The safe values of maximum charge per delay for different distances have been determined based on the ground vibration predictor equations established for each mine.
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Blasting Impact on Environment and their Control …
mining sector for dealing the adverse impact of blasting with the help of virtual simulation. Keywords: Blasting; Environment; Open Cast Mining; Flyrocks; Drilling Introduction Blasting is the most accepted and practiced technique for the breakage of rock. During blasting, the energy transformation takes place in the explosive. Rock breakage
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Dust Control Best Practices in Drilling and Blasting …
The Effects of Drilling and Blasting Operations in Open Pit Mines. Open-pit mining operations are integral to various industries, but they often grapple with the challenge of dust generation. Let's explore the impact of drilling and blasting in …
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GROUND CONTROL IN OPEN PIT MINES
pit mine slopes, and concerns the safety of both employees and machinery. It is to assist relevant mining personnel with the development of procedures relating to the application of sound ground control practice in open pit mines. 1. INTRODUCTION - Ground control is the methodology applied to maintain all the risks associated
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Empirical Approach Based Estimation of Charge Factor and …
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 general …
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Mining and Blasting Techniques: Mining and Blasting …
Mining and Blasting Techniques: Mining and Blasting Techniques by Sharma, Partha - ISBN 10: 3838374398 - ISBN 13: 9783838374390 - LAP LAMBERT Academic Publishing - 2010 - …
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Blasting in Mines New Trends
Design and general practice of mass blast in underground open stopping mining method 11 Q. Liu Improving pit wall stability by minimizing blast damage vis a vis rock characterization at …
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Blasting in Mining
Blasting practices in mines have undergone many changes in the recent past and continue to be honed and reconfigured to meet the demands of today's mining needs. This volume compiles papers of the workshop Blasting in …
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Wall Control Blasting Practices at Kısladag Gold Mine
A computer simulated blasting program has helped Detour Lake, a Canadian gold mine, increase blast yields by as much as 45% while solving several drilling and blasting problems.
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(PDF) Optimization of Blast Design for Quarries: A case
Traditional blasting design parameters were acquired for NOP and modified using Langerfors and Sharma, P.A approaches. Several blast operations were conducted using both traditional and modified ...
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Universal laws for air velocities in airblast events during block
An airblast, or windblast in a mine, can be defined as a rapid displacement of large quantities of air, often under pressure, in a constrained underground environment caused by a …
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(PDF) Optimization of Blasting Parameters- A …
Traditional blasting design parameters were acquired for NOP and modified using Langerfors and Sharma, P.A approaches. Several blast operations were conducted using both traditional and modified ...
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Download PDF
Download Blasting Practices In Mines. Type: PDF TXT Date: November 2019 Size: 453.5KB Author: partha das sharma This document was uploaded by user and they confirmed that they …
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Prediction of ground vibration due to mine blasting in a
Mining activities and civil projects are carried out using one of the most important operations, namely rock blasting, as a wide and economical way to rock breakage and displacement of them 1.In ...
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Environmental Impact Assessment of Mining in India: A …
Mining industries in India has always a tendency to undermine the role of EIA in its pre-operational, during mining and post operational plans. The basic law governing the mines is The Mines Act ...
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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 pattern has to be achieved.
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(PDF) Controlled blasting for enhanced safety in the …
Good blasting practices based on the careful application of explosive energy lead to significantly safer mining operations. Case studies demonstrate how the selection of the correct charge mass ...
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Stemming and best practice in the mining industry: A
Sharma, P. D. 2010. Charging and Blasting in Hot Strata Condition in Opencast Coal Mines Most Crucial aspect is implementaion of Effective Safety Management, s.l.: s.n. [ Links ] Sharma, S.K. and Rai, P. 2015. Investigation of Crushed Aggregate as Stemming Material in Bench Blasting: A Case Study.
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Managing the Hazard of Wind Blast / Air Blast In Caving …
Semantic Scholar extracted view of "Managing the Hazard of Wind Blast / Air Blast In Caving Operations In Underground Mines" by J. Fowler et al. ... J. Fowler, B. Hebblewhite, P. Sharma; Published 2003; Engineering, Environmental Science; No Paper Link Available. Save to …
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Controlled blasting for enhanced safety J in the …
P a p e r Introduction Blasting is a daily practice on the mines and provides the most economical and flexible means of accessing the orebody in a hard rock mine. Because blasting is generally seen as a production activity, little thought is often given to the ways in which good blasting can improve the safety performance of a mine.
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Innovative Blasting Practices for Underground Hard Rock …
The state-of-the-art blasting methodologies have been developed over the years to overcome the challenges of underground mining. The major challenges associated with …
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(PDF) Blasting Impact on Environment and their …
Figure 1: Mining Blasting Dust Dust particle from mining blasting floating in the air is closely related to the fine material that resulted from mining blasting process. A hypothesis about fines (dust) generation in the blasting process …
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blasting practices in mines p sharma
Design and general practice of mass blast in underground open stopping mining method 11 Q. Liu Improving pit wall stability by minimizing blast damage vis a vis rock characterization at RAM 21 P.K. Rajmeny, R. Shrimali, L.S. Shekhawat & A. Joshi New physical findings revolutionize the drilling and blasting technology as well as the
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(PDF) Improvement of blasting practices to minimise wall …
Wall damage in large open pit mines is often induced by adjacent blasting activities as a consequence of improper blast design considerations on unforeseen geotechnical conditions.
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Universal laws for air velocities in airblast events during …
An airblast, or windblast in a mine, can be defined as a rapid displacement of large quantities of air, often under pressure, in a constrained underground environment caused by a fall of ground or other material. 1 This phenomenon can affect caving operations in both coal and non-coal mines.2., 3. Windblast in coal mines is mainly of concern in longwall and pillar …
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Blasting Technology for Underground Hard Rock …
The underground blasting for hard rock mining progresses in ... We would also like to thank Mr. Praveen Sharma, Chief Operating Officer of M/s HZL, Mr. Arun Kumar Shukla, CMD of M/s Hindustan Copper ... 8 Innovative Blasting Practices for Underground Hard Rock Mining
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Controlled blasting design for efficient and sustainable …
Underwater blasting, often known as submarine blasting, is used for a wide range of purposes. This includes harbor and channel widening, trench excavation for establishing oil and gas pipelines and communication cables, demolition operations, and substructure construction. Particularly, underwater rock blasting is the most difficult and least understood …
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Managing the Hazard of Wind Blast / Air Blast In Caving
This paper discusses the wind blast / air blast phenomenon, how it is managed in coal mines and how it might best be managed in other underground mines. L'article qui suit a pour objets de decrire le phenomène de tir a l'air comprime et les methodes de moderation de celui-ci dans les mines de houille, et d'indiquer de quelle manière il pourrait être surmonte …
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