surface mining technology minimizing blasting concerns

  • Unit 3 Reading: Mining and Mining Impacts

     · Surface Mining The largest mines are usually surface mines. Heavy machinery and blasting procedures are used to remove large amounts of surface rock, which significantly disturbs the land. A typical surface mine can produce up to 150,000 tons of ore every

  • Mining Technology

     · "For surface blasts there is no practical way to change the direction in which the product cloud will move; all a blaster can do is try to ensure that no one will be in the cloud''s path," the paper reads. Mining Technology''s Mining Safety content is supported by

  • Orica''s Cutting-Edge Blasting Technology Boosts Safety

     · Orica is the world''s largest provider of commercial explosives and innovative blasting systems to the mining, quarrying, oil and gas and construction markets. It is a leading supplier of sodium cyanide for gold extraction and a specialist provider of ground support services in mining …

  • Precision Surface Mining Methods — Safe and …

     · In addition to being safe and efficient, precision surface mining methods are helping miners create better sustainability practices. The vibrations caused by blasting can damage nearby infrastructure, including roads, utility lines, pipelines and …

  • (PDF) UNIT OPERATIONS IN MINING SURFACE MINING …

    MINE 202 SURFACE MINING CHAPTER 2 UNIT OPERATIONS IN MINING f Lecture Objectives At the end of this lecture, you will: 1.Understand the sequence of unit operations. 2.Know the main and auxiliary equipment used for loading and haluage. 3.Know how to calculate stripping ratios. 4.Know the stipping ratio models. 5.Know how to calculate cut-off ...

  • Blasting Practices in Mining – what you need to know

     · Air blasting in mining is a method of blasting in which compressed air at very high pressure is piped to a steel shell in a shot hole and discharged. It is often called air overpressure. An air blast is the airborne shock wave generated by an explosion.

  • Controlling Adverse Environmental effects Of Blasting …

    Conventional blasting practices and techniques in mining and infrastructure construction industry are unable to improve efficiency and mitigate environmental hazards. With the development of new explosives systems and initiation devices, blast design and execution software tools, the blasting process has now become more efficient and safer than before.

  • Welcome to Technoblast | Technoblast

    Technoblast Mining Corporation (TMC Group) proud to be a part of making mining (Opencast and Underground) a safer place to work for thousands of people every day. TMC has built a solid reputation for conquering tough challenges, and adapting to a variety of environments in mining industries. Safety remains our number one priority but our ...

  • The Benefits of Using Precision Surface Mining Methods

     · In addition to being safe and efficient, precision surface mining methods are helping miners create better sustainability practices. The vibrations caused by blasting can damage nearby infrastructure, including roads, utility lines, pipelines and buildings. To avoid this, mines are forced to abandon areas within close proximity to these obstacles.

  • Surface Mine Blasting

    enhance the safe, effective, and efficient use of blasting technology by the mining industry. Recent research results of the surface mine blast ing program were presented at a seminar on April 15, 1987, in Chicago, IL. Many of the topics discussed

  • Optimization of Blasting Parameters in opencast Mines

    in the rock-breaking process, reducing blasting cost through less explosive consumption and less wastage of explosive energy in blasting, less throw of materials, and reduction of blast vibration resulting in greater degrees of safety and stability to the nearby

  • Estimation of Open Cut Mining Recovery and Mining Dilution …

    Kent Bannister Pty Ltd A.C.N. 163 789 491A.B.N 20 233 039 690 8 Travers Way, AVELEY, W.A. 6069 Page 1 Estimation of Open Cut Mining Recovery and Mining Dilution By Kent Bannister, ARMIT, FAusIMM (CP), CEO Kent Bannister Pty Ltd, (KBPL)

  • Paraplug

    Paraplug is a blast hole plug ideal for creating air decks in the explosives column at any depth in surface mines. Its innovative and patented design makes it very simple to place the device in the blast hole without the need for auxiliary tools, even when holes are …

  • EZshot EZDet (EZD) for surface blasting coming soon!

     · EZshot EZDet (EZD) for surface blasting coming soon! s Dyno Nobel Asia Pacific Vice President Product and Applications Technology, David Gribble, says EZshot LP has consistently returned reductions in overbreak, which is caused by unfavorable geological conditions, and inefficient or excessive drilling and blasting.

  • New trends in drilling and blasting technology: …

     · (2000). New trends in drilling and blasting technology. International Journal of Surface Mining, Reclamation and Environment: Vol. 14, No. 4, pp. 305-315.

  • Factors in Controlling Drilling and Blasting Costs in Mines – …

     · Blasting is only the first step in the production process for mines and quarries and the costs of this first step is normally only 8% to 12% of the total costs. The total product costs are composed of: drilling, blasting, secondary breakage of oversize, digging, haulage, crushing. Blasting affects every step in the production cycle.

  • Evaluation of Blasting Efficiency in Surface Mines

    Department of Mining Engineering National Institute of Technology Rourkela December 14, 2016 Certificate of Examination Roll Number: 613MN3003 Name: Abinash Parida Title of Dissertation: Evaluation of Blasting Efficiency in Surface Mines We the below

  • Mine Rehabilitation: After uses for underground …

     · Other added benefits such as working in a constant underground climate rather than variable surface climate and minimizing community concerns over dust, noise and air blast and vibration from blasting. Drawbacks of underground mining relate primarily to the

  • Optimized design of drilling and blasting operations in …

     · 1. Introduction Mining activity is mostly represented by these four main operations: drilling, blasting, loading and hauling. For a proper mine planning and design, all of these operations need to be carefully planned in such a manner that can prevent extra loads such ...

  • Mining Technology

     · "For surface blasts there is no practical way to change the direction in which the product cloud will move; all a blaster can do is try to ensure that no one will be in the cloud''s path," the paper reads. Mining Technology''s Mining Safety content is …

  • ESTIMATING THE EFFECTS OF BLASTING VIBRATIONS ON THE …

    Theses and Dissertations--Mining Engineering Mining Engineering 2017 ESTIMATING THE EFFECTS OF BLASTING VIBRATIONS ON THE HIGH-WALL STABILITY Abhinav Sharma University of Kentucky, [email protected] Author ORCID Identifier:

  • Wirtgen Surface Mining: Maximizing coal recovery by …

     · In fact, out of the 1,500 t/h of coal delivered from the dozer to the processing plant, 225 tph are fines < 2 mm. With the surface miner, it will only be 185 tph. This means that 22% less coal has ...

  • Drilling and Blasting | Technical Aspects of Mining | …

    By far the bulk of rock excavated in mining globally is broken by drilling and blasting. Mining is the largest consumer of civil explosives. Mining explosives are substances which detonate to produce a high-intensity shock wave and large volumes of gas which, being confined in a hole, expand rapidly, entering existing minor cracks in the rock, and creating new cracks to break the rock.

  • Publications – Vedala Rama Sastry

    Explosives & Blasting Techniques for Mining, Quarrying & Infrastructure Industry, 2011. Environmental Effects of Blasting Operations and Control Guidelines for Indian Geo-Mining Conditions, 2002. Safe & Efficient Handling of Explosives, 2001. Surface Mining, 1997. Environmental Management of Industrial Operations in Core Sector, KREC, May, 1996.

  • Chapter 2: The Environmental Effects of Strip Mining

    THE ENVIRONMENTAL EFFECTS OF STRIP MINING A ll mining operations have a disruptive effect on the environment, but the sheer volume of material involved in strip mining makes the impact on the environment especially acute. Surface mining (another name for "strip mining") can severely erode the soil or reduce its fertility; pollute waters or drain underground water reserves; scar or altar the ...

  • Evaluation of Needle Gun and Abrasive Blasting Technologies in …

    CONVENTIONAL ABRASIVE BLASTING NYSTA Bridge #10 is composed of approximately 151 tons of steel and 14,946 ft2 of surface area. Paint thicknesses ranged from 10–13 mils. Previous testing by NYSTA had determined the presence of lead in the primer

  • Blasting Techniques Used in Underground and Opencast …

    Throw blasting or cast blasting is described as the controlled placement of overburden by drilling and blasting to achieve the optimum overburden removal cost. The technique is suitable for use with large or small draglines and can be adapted for shovel and dragline operations in conjunction with tract dozers to place upto 40% of the overburden in final position.

  • Efficient Blasting Techniques for Surface Mining Operations

    Efficient Blasting Techniques for Surface Mining Operations Madrid, Spain Jun 21,22 and 23rd, 2010 Blast Dynamics, Inc. and Blast Consult S.L are going to conduct an up-to-date course in Madrid that will address the specific concerns of open pit operations.Our

  • Mining health and safety: 7 common risks to protect …

     · The mining industry has a reputation for being a risky business, with health risks that are varied and often quite serious, and it is important for miners to protect themselves accordingly. Nevertheless, mining doesn''t have to be unsafe. With the introduction of strict ...

  • Orica''s Cutting-Edge Blasting Technology Boosts Safety

     · Orica is the world''s largest provider of commercial explosives and innovative blasting systems to the mining, quarrying, oil and gas and construction markets. It is a leading supplier of sodium cyanide for gold extraction and a specialist provider of ground support services in mining and tunneling. Tags: safety. Security.

  • Minimize ground vibrations caused by open cast …

    Minimizing ground vibrations caused by open cast mining can help to reduce pollution and lessen stress levels in resident primate populations. Duarte M.H.L., Sousa-Lima R.S., Young R.J., Farina A., Vasconcelos M., Rodrigues M. & Pieretti N. (2015) The impact of noise from open-cast mining on Atlantic forest biophony.

  • Summary of Surface Blasting and Damages with Analysis of …

    Blasting can be separated into two general categories, surface blasting and underground blasting. Both types share the same principles, turning an unmanageable rock mass into smaller, broken pieces. Surface blasting will be the focus and is useful for removing overlying material for mines or …

  • Mining

    Reducing of blasting Minimizing the impact of ground subsidence Reduced environmental impacts Improving Open Cast Mining with Non-Blasting Methods Lowered costs of surface mining Currently 14 draglines in operations in the Narva open cast mine ...

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