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how to control flyrock in surface mining

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how to control flyrock in surface mining

The Surface Mining Control and Reclamation Act of 1977 SMCRA requires that coal mining be conducted in a manner that prevents injury to people and damage to public or private property during blasting The side effects of blasting are “flyrock” a rock or rocks moving through the air or along the ground after a blast and travel beyond the blast area security zone

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  • CDC Mining Blasting Injuries in Surface Mining with
    CDC Mining Blasting Injuries in Surface Mining with

    Mining Publication Blasting Injuries in Surface Mining with Emphasis on Flyrock and Blast Area Security Keywords Blasting Fatalities Flyrock Hazard prevention and control Injuries Surface mining Original creation date January 2004 Authors TS Bajpayee TR Rehak GL Mowrey DK Ingram Peer Reviewed Journal Article January 2004

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  • Flyrock prediction and control in surface mine blasting
    Flyrock prediction and control in surface mine blasting

    articleosti433677 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

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  • Flyrocks Detection and Mitigation at Construction Site
    Flyrocks Detection and Mitigation at Construction Site

    Jan 01 2011 · As fly rock is a critical issue in mining and construction industry hence it becomes more so important to learn the causes for generation of flyrock and the mitigation measures This paper deals with causes of fly rock hazards associated with flyrock and precautions to be taken to control them with the help of a case study at a construction site

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  • 30 CFR § 81767 Use of explosives Control of adverse
    30 CFR § 81767 Use of explosives Control of adverse

    c Flyrock Flyrock travelling in the air or along the ground shall not be cast from the blasting site 1 More than onehalf the distance to the nearest dwelling or other occupied structure 2 Beyond the area of control required under § 81766c or 3 Beyond the permit boundary d Ground vibration

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  • PDF Flyrock in surface mine blasting Understanding the
    PDF Flyrock in surface mine blasting Understanding the

    Flyrock control is crucial in blasting operations because of safety considerations damage to infrastructure and a social licence to operate Blasting is a hazardous component of surface

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  • Surface mineral workings control of blasting
    Surface mineral workings control of blasting

    Potential environmental impacts of blasting at surface mineral workings include ground vibration air overpressure noise dust and flyrock Where these effects are perceived at adjacent premises particularly residential properties there can be problems of reconciling the needs of efficient and economic mineral extraction with the comfort and

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  • Noise Pollution and Its Control in Mining
    Noise Pollution and Its Control in Mining

    The engineering control measures are the most effective as they are based on sophisticated techniques like Retrofit approach for installation of noise control treatment on mining equipment Designing of inherently quite mining equipment is also included in this technique which aims to control and reduce the noise emission successfully

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  • Flyrock incident damages vehicles during blast
    Flyrock incident damages vehicles during blast

    Flyrock from the blast travelled through the air and damaged three light vehicles parked a short distance away from people Seven people were at risk of being struck by flyrock The cause of the ejection of the flyrock has not been determined at this time The incident was brought to the attention of the NSW Resources Regulator on 7 September 2018

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  • Site Browser
    Site Browser

    Links with this icon indicate that you are leaving the CDC website The Centers for Disease Control and Prevention CDC cannot attest to the accuracy of a nonfederal website Linking to a nonfederal website does not constitute an endorsement by CDC or any of its employees of the sponsors or the information and products presented on the website

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  • DEPARTMENT OF MINES MINERALS AND ENERGY
    DEPARTMENT OF MINES MINERALS AND ENERGY

    22 Each operator shall maintain a plan to control the effects of blasting on areas adjacent to the operation In the event of a blasting complaint accident or flyrock incident the plan will be subject to review and approval of the division In addition to the items listed above some mining operations have blasting requirements set by

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  • how to prevent injuries in quarry industry
    how to prevent injuries in quarry industry

    An Analysis and Prevention of Flyrock Accidents in Surface and neighbors in the mining industry In juries due to flyrock and lack of blast area security account for 68 of all blasting related injuries in surface coal metal and nonmetal mines during the period 1978 2001 Verakis Lobb 2003

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

    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

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  • OSMRE AR Blasting Office of Surface Mining
    OSMRE AR Blasting Office of Surface Mining

    The Surface Mining Control and Reclamation Act of 1977 SMCRA requires that coal mining be conducted in a manner that prevents injury to people and damage to public or private property during blasting The side effects of blasting are “flyrock” a rock or rocks moving through the air or along the ground after a blast and travel beyond the blast area security zone

    Get Price
  • Taking precautions against flyrock Business Queensland
    Taking precautions against flyrock Business Queensland

    Flyrock is the undesirable throw of debris from a blast Because flyrock can cause severe injury and property damage shotfirers must take precautions to prevent it especially if blasting occurs near property or people Nearly all previous flyrock incidents could have been avoided

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  • Flyrocks Detection and Mitigation at Construction Site
    Flyrocks Detection and Mitigation at Construction Site

    Jan 01 2011 · As fly rock is a critical issue in mining and construction industry hence it becomes more so important to learn the causes for generation of flyrock and the mitigation measures This paper deals with causes of fly rock hazards associated with flyrock and precautions to be taken to control them with the help of a case study at a construction site

    Get Price
  • REVIEW ARTICLE Flyrock in surface mine blasting
    REVIEW ARTICLE Flyrock in surface mine blasting

    Flyrock in surface mine blasting understanding the basics to develop a predictive regime Avtar K Raina1 V M S R Murthy2 and Abhay K Soni1 1CSIR Central Institute of Mining and Fuel Research Regional Centre Unit I 3rd Floor MECL Complex Seminary Hills Nagpur 440 006 India

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  • Welcome to CDC stacks Centers for Disease Control and
    Welcome to CDC stacks Centers for Disease Control and

    Coal and nonmetal mining used about 43 billion pounds of explosives and blasting agents between1989 to 1999 A majority of this consumption was used at surface mines Accident data indicates that fly rock and lack of blast area security were the primary causes of blasting related injuries in surface mining

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  • Blasting injuries in surface mining with emphasis on
    Blasting injuries in surface mining with emphasis on

    Jan 01 2004 · 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

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  • Prediction of blastinduced flyrock in Indian limestone
    Prediction of blastinduced flyrock in Indian limestone

    Oct 01 2014 · Launching angle and launching velocity of flyrock projectile for each blast of all the limestone mines under the study with appropriate symbols are shown in Table 1 Table 2 The flyrock distances have been calculated using general trajectory formula Richards and Moore 2004 1 R fc v 0 2 sin 2 θ 0 g Download Download fullsize

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  • DEPARTMENT OF MINES MINERALS AND ENERGY
    DEPARTMENT OF MINES MINERALS AND ENERGY

    22 Each operator shall maintain a plan to control the effects of blasting on areas adjacent to the operation In the event of a blasting complaint accident or flyrock incident the plan will be subject to review and approval of the division In addition to the items listed above some mining operations have blasting requirements set by

    Get Price
  • PDF Blasting injuries in surface mining with emphasis on
    PDF Blasting injuries in surface mining with emphasis on

    PROBLEM Blasting is a hazardous component of surface mining Serious injuries and fatalities result from improper judgment or practice during rock blasting This paper describes several fatal injury case studies analyzes causative factors and emphasizes preventive measures METHOD This study examines publications by MSHA USGS and other authors The primary source of information was

    Get Price
  • Effectiveness of the Surface Mining Control and
    Effectiveness of the Surface Mining Control and

    the landmark Surface Mining Control and Reclamation Act SMCRA or the Act In 1977 it was unprecedented legislation in many substantive areas SMCRA blazed No longer was it permissible to blast flyrock through community homes while regulators looked the other way No longer was it permitted to allow the water runoff from a mine to cause

    Get Price
  • Prediction of BlastInduced Flyrock in Opencast Mines
    Prediction of BlastInduced Flyrock in Opencast Mines

    Mar 28 2015 · Bajpayee TS Rehak TR Mowrey GL Ingram DK 2000 A summary of fatal accidents due to flyrock and lack of blast area security in surface mining 1989–1999 In Proceedings of 28th annual conference on explosives and blasting technique International Society of Explosives Engineers 10–13 Feb 2000 NIOSH Las Vegas Nevada pp 105–188

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  • Subject surface mining PubAg Search Results
    Subject surface mining PubAg Search Results

    This paper explores how policy structure institutions and political climate impact the ability of the Surface Mining Control and Reclamation Act SMCRA to ensure the reclamation of surface coal mines We conduct a policy review that traces the impacts of the three parts of SMCRA Reclamation Standards Reclamation Bonding Requirements and

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  • A Novel Approach for BlastInduced Flyrock Prediction
    A Novel Approach for BlastInduced Flyrock Prediction

    2 Flyrock and Effective Parameters Flyrock is unwanted rock fragments thrown during bench blasting in mines and civil constructions Flyrock which is propelled rock fragments by energy of explosive beyond the blast zone is one of the undesirable environmental impacts of blasting operations In flyrock mechanism there is an affective relationship among explosive energy distribution

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  • Flyrocks Detection and Mitigation at Construction Site
    Flyrocks Detection and Mitigation at Construction Site

    Jan 01 2011 · 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 oThe expl sives demand by the mining sector has risen from 153 thou

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  • PDF Flyrock in Surface Mine Blasting Understanding the
    PDF Flyrock in Surface Mine Blasting Understanding the

    Flyrock is one of the most contentious issues in bench blasting Unlike ground vibrations flyrock has the propensity to cause fatality and severe injuries Although the kinematic equations present a basis for the estimation of flyrock distance these suffer from the drawback of ignoring the postrelease effects of trajectory motion in air

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

    Feb 01 2011 · 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

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  • Flyrock prediction From mystery to science Quarry
    Flyrock prediction From mystery to science Quarry

    Oct 02 2014 · Flyrock prediction and control is a science Flyrock follows the laws of physics and derives its energy from the laws of chemistry There are various predictive models in existence one of the better ones being a model derived by Victorian firm Terrock Consulting Engineers based on numerous field measurements at various locations

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  • P A R T I I I C
    P A R T I I I C

    6 The delay sequence will be adjusted as needed to control flyrock 7 Prior to detonation of blasts personnel will block access roads to the blast area and all public roads within the proximity of the blast area that may be affected by flyrock will be blocked off by employees a minimum

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  • Prediction of BlastInduced Flyrock in Opencast Mines
    Prediction of BlastInduced Flyrock in Opencast Mines

    Mar 28 2015 · Bajpayee TS Rehak TR Mowrey GL Ingram DK 2000 A summary of fatal accidents due to flyrock and lack of blast area security in surface mining 1989–1999 In Proceedings of 28th annual conference on explosives and blasting technique International Society of Explosives Engineers 10–13 Feb 2000 NIOSH Las Vegas Nevada pp 105–188

    Get Price
  • Blasting Regulations Changes Flyrock
    Blasting Regulations Changes Flyrock

    Flyrock Flyrock incidents are to be immediately reported to DMM 4VAC2540800D Flyrock usually results in a closure order issued to the mine operator requiring a DMMapproved blasting plan and a notice of violation issued to the blaster January 2007

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  • Flyrock from Ogden mining site causes neighborhood
    Flyrock from Ogden mining site causes neighborhood

    Flyrock from Ogden mining site causes neighborhood concerns On November 5 Dolomite leasor of the Manitou Sand and Gravel pit conducted a blast to open a new lift or level in the quarry floor That blast as well as earlier blast on September 17 resulted in flyrock

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  • Development of Rock Engineering SystemsBased Models
    Development of Rock Engineering SystemsBased Models

    Aug 17 2013 · The environmental effects of blasting must be controlled in order to comply with regulatory limits Because of safety concerns and risk of damage to infrastructures equipment and property and also having a good fragmentation flyrock control is crucial in blasting operations If measures to decrease flyrock are taken then the flyrock distance would be limited and in return the risk of

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  • Blast optimization Metso
    Blast optimization Metso

    Wall control blast design and damage control Efficient wall control blast designs should achieve safe and stable slopes while obtaining the required fragmentation The goal of wall control blasting is to make the transition from wellfragmented rock within the blast to

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  • PDF Blasting injuries in surface mining with emphasis on
    PDF Blasting injuries in surface mining with emphasis on

    PROBLEM Blasting is a hazardous component of surface mining Serious injuries and fatalities result from improper judgment or practice during rock blasting This paper describes several fatal injury case studies analyzes causative factors and emphasizes preventive measures METHOD This study examines publications by MSHA USGS and other authors The primary source of information was

    Get Price
  • Effectiveness of the Surface Mining Control and
    Effectiveness of the Surface Mining Control and

    the landmark Surface Mining Control and Reclamation Act SMCRA or the Act In 1977 it was unprecedented legislation in many substantive areas SMCRA blazed No longer was it permissible to blast flyrock through community homes while regulators looked the other way No longer was it permitted to allow the water runoff from a mine to cause

    Get Price
  • BLEP Software Office of Surface Mining
    BLEP Software Office of Surface Mining

    The US Governments Official Website for the Office of Surface Mining Reclamation and Enforcement OSM OSMs business practices are to reclaim abandoned mine lands Title IV regulate active coal mines Title V and apply sound science through technology transfer

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