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how to control flyrock in surface mining

how to control flyrock in surface mining

How to Prevent & Control Flyrock | Blast Control Solutions

2018-3-1 · Flyrock is inevitable, but sustaining injury or property damage due to flyrock is not. The safety that proper flyrock protection can bring far outweighs any cost. And

An Analysis and Prevention of Flyrock Accidents in

2012-8-29 · An Analysis and Prevention of Flyrock Accidents in Surface Blasting Operations by T. S. Bajpayee, Harry C. Verakis, and Thomas E. Lobb Abstract Blasting is a primary means of extracting minerals and ores at surface mining operations. The domestic consumption of explosives and blasting agents during the year 2002 was about 5.53 billion pounds.

CDC - Mining - An Analysis and Prevention of Flyrock ...

Proc 30th Ann Conf Explos Blasting Tech, New Orleans, LA, February 1-4, 2004, 2004 Feb; :1-10. Blasting is a primary means of extracting minerals and ores at surface mining operations. The consumption of explosives and blasting agents during the year 2002

Technical Note on The Prediction and Control of Flyrock ...

2009-12-4 · The control of flyrock within secured distance around the blasting site can largely be established by proper selection of various blast design parameters. Selection of proper burden plays the most crucial role, as blasts with very small or very large ... around the surface mining site (DGMS, 1982). However, adoption of 500 m as the

An Analysis and Prevention of Flyrock Accidents in Surface ...

Blasting is a primary means of extracting minerals and ores at surface mining operations. The domestic consumption of explosives and blasting agents during the year 2002

(PDF) Flyrock in surface mine blasting: Understanding the ...

However, flyrock is a rock fragment that travels beyond the designated distance from a blast in surface mines, and poses a threat to adjacent habitats. Here, we decipher the importance and ...

Development of a fuzzy model to predict flyrock in surface ...

Rezaei et al. [19] developed a fuzzy model to predict flyrock in surface mining. These studies show that artificial intelligence-based models can evaluate the flyrock phenomenon with an acceptable ...

(PDF) SAFETY IN SURFACE MINING - ResearchGate

The mining community, especially the blasters, will find useful information on causative factors and preventive measures to mitigate injuries due to flyrock and lack of blast area security in ...

Development of a fuzzy model to predict flyrock in surface ...

2011-2-1 · Research highlights In the paper a fuzzy model was developed to predict flyrock in the blasting operation of surface mining. Prediction of flyrock is very important in the mining industry. Empirical models have shown poor performance to do the task. This research has proved capability of the fuzzy model to predict flyrock accurately.

Surface Mining Methods and Equipment - EOLSS

2020-8-25 · Surface mining is generally considered to provide better recovery, grade control, flexibility, safety, and working environmen ts than underground mining. Figure 3 shows a comparison of the total injury rates in US coal mines. The injury rates have declined both

Flyrock prediction and control in surface mine blasting ...

1994-12-31 · @article{osti_433677, title = {Flyrock prediction and control in surface mine blasting}, author = {Workman, J L and Calder, P N}, abstractNote = {Flyrock can be a serious hazard associated with blasting. Many surface blasting accidents involving injury result from excessive flyrock beyond the protected blast zone. Numerous cases of equipment damage at the mine, quarry or construction site

Technical Note on The Prediction and Control of Flyrock ...

2009-12-4 · The control of flyrock within secured distance around the blasting site can largely be established by proper selection of various blast design parameters. Selection of proper burden plays the most crucial role, as blasts with very small or very large ... around the surface mining site (DGMS, 1982). However, adoption of 500 m as the

Flyrock Dangers & Best Practices | Mine Safety and Health ...

2016-3-24 · Flyrock – the fragments of rock thrown and scattered during blasting – is responsible for a large proportion of all blasting-related injuries and fatalities. Flyrock is a potential hazard anytime and anywhere there is blasting. Reduce flyrock hazards by

(PDF) Flyrock in surface mine blasting: Understanding the ...

However, flyrock is a rock fragment that travels beyond the designated distance from a blast in surface mines, and poses a threat to adjacent habitats. Here, we decipher the importance and ...

Mining | Free Full-Text | Application of Artificial Neural ...

2021-11-26 · Flyrock is a hazardous event and considerable concern resulting from blasting operations in surface mines [66,67,68]. Several empirical models have developed to control and eliminate the hazards of flyrock through the prediction. However, due to flyrock

(PDF) SAFETY IN SURFACE MINING - ResearchGate

The mining community, especially the blasters, will find useful information on causative factors and preventive measures to mitigate injuries due to flyrock and lack of blast area security in ...

Blasting injuries in surface mining with emphasis on ...

The hazards of surface blasting are primarily due to lack of blast area security, flyrock, premature blast, and misfire. Blasting generally entails two purposes: rock fragmentation and displacement of the broken rock. The displacement of the broken rock depends on the shot-design parameters, geological conditions, and mining constraints.

Blasting injuries in surface mining with emphasis on ...

2004-1-1 · Impact on industry: The mining community, especially the blasters, will find useful information on causative factors and preventive measures to mitigate injuries due to flyrock and lack of blast area security in surface blasting. Discussion of case studies during safety meetings will help to mitigate fatal injuries and derive important payoffs ...

Surface mineral workings: control of blasting - gov.scot

2000-2-1 · Although the majority of energy generated within the atmosphere from any surface mineral blasting will be of a sub-audible nature, there will also be a component that is audible, i.e. at frequencies greater than 20 Hz, and as such can be heard as noise and measured in terms of dB(A). see PAN 50 Annex A: The Control of Noise at Surface Mineral ...

Surface Mining Methods and Equipment - EOLSS

2020-8-25 · Surface mining is generally considered to provide better recovery, grade control, flexibility, safety, and working environmen ts than underground mining. Figure 3 shows a comparison of the total injury rates in US coal mines. The injury rates have declined both

Surface Mining Methods and Equipment - EOLSS

2020-8-25 · Surface mining is generally considered to provide better recovery, grade control, flexibility, safety, and working environmen ts than underground mining. Figure 3 shows a comparison of the total injury rates in US coal mines. The injury rates have declined both

Technical Note on The Prediction and Control of Flyrock ...

2009-12-4 · The control of flyrock within secured distance around the blasting site can largely be established by proper selection of various blast design parameters. Selection of proper burden plays the most crucial role, as blasts with very small or very large ... around the surface mining site (DGMS, 1982). However, adoption of 500 m as the

Flyrock Dangers & Best Practices | Mine Safety and Health ...

2016-3-24 · Flyrock – the fragments of rock thrown and scattered during blasting – is responsible for a large proportion of all blasting-related injuries and fatalities. Flyrock is a potential hazard anytime and anywhere there is blasting. Reduce flyrock hazards by

Surface mineral workings: control of blasting - gov.scot

2000-2-1 · Although the majority of energy generated within the atmosphere from any surface mineral blasting will be of a sub-audible nature, there will also be a component that is audible, i.e. at frequencies greater than 20 Hz, and as such can be heard as noise and measured in terms of dB(A). see PAN 50 Annex A: The Control of Noise at Surface Mineral ...

Prediction of Flyrock Distance in Open Pit Blasting Using ...

2015-9-8 · Flyrock is a rock thrown to greater distance than desired and is a dangerous and unwanted phenomenon in surface mines, particularly, when blasting is proceeding close to human occupation and dwellings. The prediction of flyrock distance is critical in defining the statutory danger zone of blasting and has evaded blasters for quite some time. Control of flyrock with its distance prediction ...

Blasting Injuries In Surface Mining With Emphasis On ...

2021-11-15 · Impact on industry: The mining community, especially the blasters, will find useful information on causative factors and preventive measures to mitigate injuries due to flyrock and lack of blast area security in surface blasting.

Development of a novel flyrock distance prediction model ...

2015-3-31 · Bajpayee T, Rehak T, Mowrey G, Ingram D (1999) A summary of fatal accidents due to flyrock and lack of blast area security in surface mining, 1989 to 1999. In: Proceedings of the annual conference on explosives and blasting technique, 2002. ISEE, pp 105–118. 29. Fletcher L, D’Andrea D (1986) Control of flyrock in blasting.

The 4 Main Steps Of The Surface Mining Process | MSHA ...

Understand how surface mining works with a detailed review of the 4 main steps in processing stone, sand, and gravel. ... Angle of Repose – These massive piles may be managed by dozer operators who move and adjust stockpiled material to control the

Evaluation of flyrock phenomenon due to blasting

2011-5-26 · Flyrock is an undesirable phenomenon in the blasting operation of open pit mines. Flyrock danger zone should be taken into consideration because it is the major cause of considerable damage on the nearby structures. Even with the best care and competent personnel, flyrock may not be totally avoided. There are several empirical methods for prediction of flyrock phenomenon. Low performance

Flyrocks – Detection and Mitigation at Construction Site ...

2011-1-1 · Flyrock, Blasting Hazard, Surface Blasting, Construction Blasting . 1. Introduction . In any surface mines, blasting operation plays a vital role. Commensurate with the increasing production from surface mines; the explosive demand is also on the rise. o-The expl sives demand by the mining sector has risen from 153 thou-