EXPLOSIVES & BLASTING

mining community, with miners often looking to these companies'' in-house engineers for advice on how best to set up and carry out blasts. Optimal blasting. As with all parts of the mining process, the. concept of automation is being readily. discussed in blasting and explosives circles – whether that be using robots to load blastholes

(PDF) ROCK BLASTING FOR MINING

2021-11-25 · Mining is a geotechnical industry. Geologist explore the economic mineral deposits for mining. A lot of methods are adopted to exploit the valuable economic mineral resources through open cast ...

Underground Mining

Maximising coal recovery in challenging geologies represents a significant efficiency opportunity for most coal mining operations to increase the value of their resource. As the easy coal is mined out, mine operators need to become more skillful at mining thin, steep, deep and undulating seams productively and without sacing coal quality.

Advanced explosives and energetic materials | Department ...

2021-11-17 · Advancements in explosives and energetic materials, have the potential to create more directed and controlled explosions, improving safety and efficiency in the mining and resources sector. Explosive ordnances are considered critical enablers for Australia''s Defence Force. At present, Australia has $5.3 billion worth of explosive ordnance in ...

Small steps: safety and efficiency in mining explosives

2011-8-23 · Small steps: safety and efficiency in mining explosives. 23 Aug 2011. Blasting isn''t a field that sees rapid changes in technology or technique, but there''s still room for innovation. Chris Lo questions the experts about safety and performance improvements in the mining industry''s specialism - explosives. Explosives are a vital part of many ...

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(PDF) Blasting and Mining

2015-3-1 · T ypes of explosives used in mining . Key factors considered when selecting the type of explosiv es are: The rock type to be blasted; ... 98% with this cutter, and the blasting efficiency and the.

Chapter 11 SPECIALIZED BLASTING TECHNIQUES

2014-6-11 · A more efficient blasting scheme is to bury the charges in a row of boreholes. In borehole cornice blasting, one may achieve satisfactory results with about half the explosive used in surface blasting. It is also possible to blast effectively with low-cost, low-detonation pressure explosives, although borehole

Blaster''s Training Modules

2008-5-22 · explosives manufacturers, and the military have developed many ignition, burn-rate, and detonation tests. Some commercial explosives with high fuel content may readily ignite and burn. In confined spaces, burning may lead to detonation. ANFO and water-based explosives such as water gels and emulsions are more difficult to ignite in the open.

Digitising drill and blast operations

2021-2-23 · Australia-based Newcrest Mining''s Cadia Valley underground mine in New South Wales was the site of a 30-day trial for new drill and blast systems from MacLean Engineering and Orica in June 2020. The trial provided the opportunity to test new technology from MacLean''s secondary break drill and blast system, Automated Explosive Charger, and ...

UNDERGROUND

2021-2-23 · AECI Mining Explosives offers the latest generation products and services for blasting operations, such as bulk explosives, packaged explosives, initiating systems, blasting ... • These improved blast outcomes inevitably enhance overall mining efficiency, leading to reduced operational cost

Introduction to Explosives

2016-9-12 · and mining. Introduction to Explosives. ... Analysis and Trends Requires a detonator for an efficient explosion – Variations contain RDX or PETN in a mixture with a polymeric binder – Contains a rubber binder that allows the explosive to remain pliable ... – The most efficient ANFO explosive mixtures can be higher. Introduction to Explosives

What are Slurry Explosives and Why are they Used?

2021-9-24 · Slurry explosives are widely used in the mining and construction industry because of their water-resistance quality. Slurry Explosives or Water Gels have emerged as popular industrial explosives in the field of mining and construction in recent years. As more slurry explosive suppliers in India are turning towards it, the demand has risen, and big companies have …

Mining and Explosives | Mines Canada

UNDERGROUND - AECI Mining Explosives

Blasting Principles

The density range of the most common mining explosives is 0.9kg/m3 to 1.3 kg/m3. Detonation. The rapid chemical reaction that produces a shock wave. Detonator. A device containing a small amount of explosive, a signal transmitter and in some cases a timing mechanism, usually enclosed in a cylindrical metal shell.

Designing Blast Patterns Using Empirical Formulas

2014-4-2 · Twin Cities Mining Research Center, Minneapolis, Minn . . US Department of Interior Office of Surface Mining Reclamation and Enforcement Kenneth K. Eltschlager Mining/Explosives Engineer 3 Parkway Center Pittsburgh, PA 15220 Phone 412.937.2169 Fax 412.937.3012 [email protected] UNITED STATES DEPARTMENT OF THE INTERIOR Rogers C. B. …

(PDF) METHOD FOR CALCULATION OF DRILLING-AND …

2021-12-11 · Purpose. Development of a new method for calculation of drilling-and-blasting operations parameters during underground mining with application of emulsion explosives taking into account their ...

Explosives!

2018-11-2 · Simon explains there are pros and cons to using explosives as part of the mining process. They increase efficiency by increasing the digging rate and save wear and tear on mining equipment by reducing the hardness of the …

(PDF) Improving the efficiency of blasting operations in ...

PDF | On Mar 30, 2018, V Lyashenko and others published Improving the efficiency of blasting operations in mines with the help of emulsion explosives | Find, read and cite all the research you ...

Explosive Characteristics and Performance

2016-1-12 · VoD is a guide to determining the efficiency of the explosive Comparison of VoD results should be done within the context of the particular blasting situation (i.e. same mine, same rock type). For Example, ANFO VoDs vary from 2500 to 4500 m/s (8200-14700 ft/s)

Energy Management in Mining

2019-4-4 · mining provinces around the world. The Australian Government recognises that a better mining industry means more growth, jobs, investment and trade, and that these benefits should flow through to higher living standards for all. A strong commitment to leading practice in sustainable development is critical for mining excellence.

Optimization of Blasting Parameters in opencast Mines

2012-7-5 · machineries, continuous mining system with improved design, development of modern generation, explosives and accessories, process innovations and application of information technologies and increased adoption of computerized mine planning and control. Drilling and blasting are the major unit operations in opencast mining.

Higher Energy Bulk Explosives – Matching Products to …

Traditional bulk explosive products for surface mining applications (ANFO, heavy ANFO and pumped emulsion-based explosives) span a range of relative bulk strengths (RBS) from approximately 100 to 200 percent of that of ANFO. In this paper, RBS has been derived from the effective energy of detonation for each product in question, which

ABLOY

ABLOY solutions are intensely focused on bringing the highest levels of safety, control, and operational efficiency into every aspect of your mining business. Our comprehensive offering and solutions include the latest digital encryption technology, electromechanical and mechanical solutions, plus the convenience of remote monitoring and mobile ...

AECI Mining Explosives Applies IntelliShot® | AECI Mining ...

2021-5-7 · AECI Mining Explosives successfully delivered multiple events of remote firing blasting in all areas. AECI Mining Explosives also complied with safety and efficiency targets KPI''s agreed in the project charter as evaluated by KPC Drill & Blast Department. The average usage of harness wire per remote firing event was around 100 m.

Evaluation of Blasting Efficiency in Surface Mines

2017-1-25 · Department of Mining Engineering Supervisor''s Certificate This is to certify that the work presented in this dissertation entitled '''' Evaluation of Blasting efficiency in surface Mines" by "Abinash Parida'''', Roll Number 613MN3003, is a record of original research carried out by him/her under my supervision and guidance