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  • Blaster's Training Modules - Module 4 - Blasthole Drilling

    2008-5-22u2002·u2002Thus, for example, the maximum recommended drill-hole diameter for a mine that plans to develop a 60-foot bench would be 60/5 or up to 12 inches. From the chart, the range will be 4.5 to 12.3 ... and flyrock may occur if blast holes are overloaded. The size of the mast and drill steels carried by the rig are important considerations in drilling

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  • (PDF) Drill and blast

    2013-5-16u2002·u20022013-5-16u2002·u2002Download Full PDF Package. ... Power Gel, air, or stemming. Reports and volume calculations You can generate three types of reports using the drill and blast functions: l Blast summary – contains a rundown of all the blast design and costing details, includ- ing total drilling length, explosive products, mass of explosive down each hole ...

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  • Drill-Holes and Blast-Holes - Mines ParisTech

    2016-12-6u2002·u2002Drill-Holes and Blast-Holes Serge Antoine Séguret1 and Sebastian De La Fuente2 Abstract The following is a geostatistical study of copper measurements on sam-ples from diamond drill-holes and blast-holes. Both measurements are formally compared, leading to a model where a blast-hole

    Get Price
  • Improved technologies in longhole blast hole drilling ...

    2009-8-26u2002·u2002Improved technologies in longhole blast hole drilling ... Deflection is a function of hole length and drilling accuracy, beyond a depth of 50 metres, cannot be guaranteed, although reasonably accurate holes have been drilled up to 75 metres. Holes in the range of 50 and 75 metres should be a shared

    Get Price
  • BEST PRACTICES IN DRILL AND BLAST - IQPC Corporate

    2017-5-9u2002·u2002productive drill and blast operations. TECHNOLOGY Developments in information technology have gone through leaps and bounds, which have led to ripple effects in raising the standards of technology in drilling and blasting. In drilling, there is now available advanced use of GPS guided drilling …

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  • SANDVIK DR416i ROTARY BLAST HOLE DRILL

    ROTARY BLAST HOLE DRILL Sandvik DR416i is a diesel-powered, self-propelled, crawler-mounted blasthole drill for surface mining. It is standard equipped for rotary drilling. HIGHER PRODUCTIVITY THROUGH INNOVATION Sandvik DR416i uses a CAN bus controlled hydraulic system to monitor the machine, allowing for timely

    Get Price
  • A New Method for Blast Hole Analysis - Thermo Fisher

    2013-8-23u2002·u2002A new product has been developed for the online analysis of drill cuttings from quarry blast holes. This new instrument mounts on a drill rig and measures the elemental composition of the entire stream of drill cuttings in real time. Important features of the instrument include the following: • mounts on existing blast hole drilling machines

    Get Price
  • 2020g - Subdrill - The Underutilised Blasting Parameter

    collar during measurement and loading of the blast hole. Introduction In open pit blasting, the portion of the blast hole that is drilled below the target floor elevation, and in most cases loaded with explosives, is known as sublevel drilling, subgrade or subdrill. According to

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  • Blast Hole Drilling: The Basic Process

    2017-8-24u2002·u2002Blast hole Drilling is a technique used in mining whereby a hole is drilled into the surface of the rock, packed with explosive material, and detonated. The aim of this technique is to induce cracks in the inner geology of the surrounding rock, in order to facilitate further drilling and …

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  • BLASTEC - Orica Mining Services

    2008-10-13u2002·u2002Calculation of Specific Drilling and Specific Charge are in the program based on Rock Volume per Blast. In turn the Rock Volume is based on Width of the Blast, which means the distance between the first and last hole in a row, or between a free surface and the last hole in the row.

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  • DRILLING AND BLASTING DESIGN BASED ON

    2019-7-19u2002·u2002holes in a row can be used as W 2. This is characteristic value of an adequate accuracy for a mean burden of a blast hole pattern. Hence, the function (2) considering specific charge is: 2 3 0 0 = ⋅ o i i i W W q q η η (3) where W 0 is reference value of a blast hole pattern, m; q 0 is reference specific energy cost, kgm/m3; Q i is new

    Get Price
  • EFFECTS OF BLAST-HOLE DEVIATION ON DRILLING AND

    2015-7-12u2002·u2002The correlation between extra cost and blast-hole deviation produce high value of coefficient of determination and it varies from 0.9941 – 0.9952. Keywords: Effect, blast-hole, muck-pile, strength, excavation, loading, mine Introduction Drilling is one of the critical elements in the process of rock breakage. A blast hole is merely a cylindrical

    Get Price
  • Improved technologies in longhole blast hole drilling ...

    2009-8-26u2002·u2002Improved technologies in longhole blast hole drilling ... Deflection is a function of hole length and drilling accuracy, beyond a depth of 50 metres, cannot be guaranteed, although reasonably accurate holes have been drilled up to 75 metres. Holes in the range of 50 and 75 metres should be a shared

    Get Price
  • (PDF) EFFECTS OF BLAST-HOLE DEVIATION ON DRILLING

    The correlation between extra cost and blast-hole deviation produce high value of coefficient of determination and it varies from 0.9941 – 0.9952. Keywords: Effect, blast-hole, muck-pile, strength, excavation, loading, mine Introduction Drilling is one of the critical elements in …

    Get Price
  • PRODUCTION DRILLING - capdrill.com

    2019-3-12u2002·u2002Blast hole drilling requires considerable skill and technical competence . to ensure accurate holes that achieve an optimal distribution of explosive . energy. An effective blast delivers finer ore fragmentation, higher waste mining productivity and minimal …

    Get Price
  • Drill-Holes and Blast-Holes - Mines ParisTech

    2016-12-6u2002·u2002Drill-Holes and Blast-Holes Serge Antoine Séguret1 and Sebastian De La Fuente2 Abstract The following is a geostatistical study of copper measurements on sam-ples from diamond drill-holes and blast-holes. Both measurements are formally compared, leading to a model where a blast-hole

    Get Price
  • A New Method for Blast Hole Analysis - Thermo Fisher

    2013-8-23u2002·u2002A new product has been developed for the online analysis of drill cuttings from quarry blast holes. This new instrument mounts on a drill rig and measures the elemental composition of the entire stream of drill cuttings in real time. Important features of the instrument include the following: • mounts on existing blast hole drilling machines

    Get Price
  • SANDVIK DR416i ROTARY BLAST HOLE DRILL

    ROTARY BLAST HOLE DRILL Sandvik DR416i is a diesel-powered, self-propelled, crawler-mounted blasthole drill for surface mining. It is standard equipped for rotary drilling. HIGHER PRODUCTIVITY THROUGH INNOVATION Sandvik DR416i uses a CAN bus controlled hydraulic system to monitor the machine, allowing for timely

    Get Price
  • DRILLING MANUAL - Geoscience

    2019-7-3u2002·u2002as 30 m/hr. The flushing of cuttings may be by water, mud or air (rotary air blast – RAB). The circulation can be normal (cuttings up the annulus) or reverse circulation (RC - in which cuttings come up the inside of the drillstring). There are numerous combinations of the various open hole rotary drilling techniques and hole clearing techniques.

    Get Price
  • SPECIALISTS IN THE FIELD OF DRILLING

    2015-2-25u2002·u2002n Blast hole drilling n Horizontal/highwall drainage n Steam relief well drilling n Remote exploration projects ... Drilling is more than an operational function of business. It's about relationships and trust in a team that is on your side, and by your side.

    Get Price
  • DRILLING AND BLASTING DESIGN BASED ON

    2019-7-19u2002·u2002holes in a row can be used as W 2. This is characteristic value of an adequate accuracy for a mean burden of a blast hole pattern. Hence, the function (2) considering specific charge is: 2 3 0 0 = ⋅ o i i i W W q q η η (3) where W 0 is reference value of a blast hole pattern, m; q 0 is reference specific energy cost, kgm/m3; Q i is new

    Get Price
  • EFFECTS OF BLAST-HOLE DEVIATION ON DRILLING AND

    2015-7-12u2002·u2002The correlation between extra cost and blast-hole deviation produce high value of coefficient of determination and it varies from 0.9941 – 0.9952. Keywords: Effect, blast-hole, muck-pile, strength, excavation, loading, mine Introduction Drilling is one of the critical elements in the process of rock breakage. A blast hole is merely a cylindrical

    Get Price
  • Improved technologies in longhole blast hole drilling ...

    2009-8-26u2002·u2002Improved technologies in longhole blast hole drilling ... Deflection is a function of hole length and drilling accuracy, beyond a depth of 50 metres, cannot be guaranteed, although reasonably accurate holes have been drilled up to 75 metres. Holes in the range of 50 and 75 metres should be a shared

    Get Price
  • (PDF) EFFECTS OF BLAST-HOLE DEVIATION ON DRILLING

    The correlation between extra cost and blast-hole deviation produce high value of coefficient of determination and it varies from 0.9941 – 0.9952. Keywords: Effect, blast-hole, muck-pile, strength, excavation, loading, mine Introduction Drilling is one of the critical elements in …

    Get Price
  • PRODUCTION DRILLING - capdrill.com

    2019-3-12u2002·u2002Blast hole drilling requires considerable skill and technical competence . to ensure accurate holes that achieve an optimal distribution of explosive . energy. An effective blast delivers finer ore fragmentation, higher waste mining productivity and minimal …

    Get Price
  • Drill-Holes and Blast-Holes - Mines ParisTech

    2016-12-6u2002·u2002Drill-Holes and Blast-Holes Serge Antoine Séguret1 and Sebastian De La Fuente2 Abstract The following is a geostatistical study of copper measurements on sam-ples from diamond drill-holes and blast-holes. Both measurements are formally compared, leading to a model where a blast-hole

    Get Price
  • A New Method for Blast Hole Analysis - Thermo Fisher

    2013-8-23u2002·u2002A new product has been developed for the online analysis of drill cuttings from quarry blast holes. This new instrument mounts on a drill rig and measures the elemental composition of the entire stream of drill cuttings in real time. Important features of the instrument include the following: • mounts on existing blast hole drilling machines

    Get Price
  • SANDVIK DR416i ROTARY BLAST HOLE DRILL

    ROTARY BLAST HOLE DRILL Sandvik DR416i is a diesel-powered, self-propelled, crawler-mounted blasthole drill for surface mining. It is standard equipped for rotary drilling. HIGHER PRODUCTIVITY THROUGH INNOVATION Sandvik DR416i uses a CAN bus controlled hydraulic system to monitor the machine, allowing for timely

    Get Price
  • DRILLING MANUAL - Geoscience

    2019-7-3u2002·u2002as 30 m/hr. The flushing of cuttings may be by water, mud or air (rotary air blast – RAB). The circulation can be normal (cuttings up the annulus) or reverse circulation (RC - in which cuttings come up the inside of the drillstring). There are numerous combinations of the various open hole rotary drilling techniques and hole clearing techniques.

    Get Price
  • SPECIALISTS IN THE FIELD OF DRILLING

    2015-2-25u2002·u2002n Blast hole drilling n Horizontal/highwall drainage n Steam relief well drilling n Remote exploration projects ... Drilling is more than an operational function of business. It's about relationships and trust in a team that is on your side, and by your side.

    Get Price
  • DRILLING AND BLASTING DESIGN BASED ON

    2019-7-19u2002·u2002holes in a row can be used as W 2. This is characteristic value of an adequate accuracy for a mean burden of a blast hole pattern. Hence, the function (2) considering specific charge is: 2 3 0 0 = ⋅ o i i i W W q q η η (3) where W 0 is reference value of a blast hole pattern, m; q 0 is reference specific energy cost, kgm/m3; Q i is new

    Get Price
  • EFFECTS OF BLAST-HOLE DEVIATION ON DRILLING AND

    2015-7-12u2002·u2002The correlation between extra cost and blast-hole deviation produce high value of coefficient of determination and it varies from 0.9941 – 0.9952. Keywords: Effect, blast-hole, muck-pile, strength, excavation, loading, mine Introduction Drilling is one of the critical elements in the process of rock breakage. A blast hole is merely a cylindrical

    Get Price
  • Improved technologies in longhole blast hole drilling ...

    2009-8-26u2002·u2002Improved technologies in longhole blast hole drilling ... Deflection is a function of hole length and drilling accuracy, beyond a depth of 50 metres, cannot be guaranteed, although reasonably accurate holes have been drilled up to 75 metres. Holes in the range of 50 and 75 metres should be a shared

    Get Price
  • (PDF) EFFECTS OF BLAST-HOLE DEVIATION ON DRILLING

    The correlation between extra cost and blast-hole deviation produce high value of coefficient of determination and it varies from 0.9941 – 0.9952. Keywords: Effect, blast-hole, muck-pile, strength, excavation, loading, mine Introduction Drilling is one of the critical elements in …

    Get Price
  • PRODUCTION DRILLING - capdrill.com

    2019-3-12u2002·u2002Blast hole drilling requires considerable skill and technical competence . to ensure accurate holes that achieve an optimal distribution of explosive . energy. An effective blast delivers finer ore fragmentation, higher waste mining productivity and minimal …

    Get Price
  • Drill-Holes and Blast-Holes - Mines ParisTech

    2016-12-6u2002·u2002Drill-Holes and Blast-Holes Serge Antoine Séguret1 and Sebastian De La Fuente2 Abstract The following is a geostatistical study of copper measurements on sam-ples from diamond drill-holes and blast-holes. Both measurements are formally compared, leading to a model where a blast-hole

    Get Price
  • A New Method for Blast Hole Analysis - Thermo Fisher

    2013-8-23u2002·u2002A new product has been developed for the online analysis of drill cuttings from quarry blast holes. This new instrument mounts on a drill rig and measures the elemental composition of the entire stream of drill cuttings in real time. Important features of the instrument include the following: • mounts on existing blast hole drilling machines

    Get Price
  • SANDVIK DR416i ROTARY BLAST HOLE DRILL

    ROTARY BLAST HOLE DRILL Sandvik DR416i is a diesel-powered, self-propelled, crawler-mounted blasthole drill for surface mining. It is standard equipped for rotary drilling. HIGHER PRODUCTIVITY THROUGH INNOVATION Sandvik DR416i uses a CAN bus controlled hydraulic system to monitor the machine, allowing for timely

    Get Price
  • DRILLING MANUAL - Geoscience

    2019-7-3u2002·u2002as 30 m/hr. The flushing of cuttings may be by water, mud or air (rotary air blast – RAB). The circulation can be normal (cuttings up the annulus) or reverse circulation (RC - in which cuttings come up the inside of the drillstring). There are numerous combinations of the various open hole rotary drilling techniques and hole clearing techniques.

    Get Price
  • SPECIALISTS IN THE FIELD OF DRILLING

    2015-2-25u2002·u2002n Blast hole drilling n Horizontal/highwall drainage n Steam relief well drilling n Remote exploration projects ... Drilling is more than an operational function of business. It's about relationships and trust in a team that is on your side, and by your side.

    Get Price
  • DRILLING AND BLASTING DESIGN BASED ON

    2019-7-19u2002·u2002holes in a row can be used as W 2. This is characteristic value of an adequate accuracy for a mean burden of a blast hole pattern. Hence, the function (2) considering specific charge is: 2 3 0 0 = ⋅ o i i i W W q q η η (3) where W 0 is reference value of a blast hole pattern, m; q 0 is reference specific energy cost, kgm/m3; Q i is new

    Get Price
  • EFFECTS OF BLAST-HOLE DEVIATION ON DRILLING AND

    2015-7-12u2002·u2002The correlation between extra cost and blast-hole deviation produce high value of coefficient of determination and it varies from 0.9941 – 0.9952. Keywords: Effect, blast-hole, muck-pile, strength, excavation, loading, mine Introduction Drilling is one of the critical elements in the process of rock breakage. A blast hole is merely a cylindrical

    Get Price
  • Improved technologies in longhole blast hole drilling ...

    2009-8-26u2002·u2002Improved technologies in longhole blast hole drilling ... Deflection is a function of hole length and drilling accuracy, beyond a depth of 50 metres, cannot be guaranteed, although reasonably accurate holes have been drilled up to 75 metres. Holes in the range of 50 and 75 metres should be a shared

    Get Price
  • (PDF) EFFECTS OF BLAST-HOLE DEVIATION ON DRILLING

    The correlation between extra cost and blast-hole deviation produce high value of coefficient of determination and it varies from 0.9941 – 0.9952. Keywords: Effect, blast-hole, muck-pile, strength, excavation, loading, mine Introduction Drilling is one of the critical elements in …

    Get Price
  • PRODUCTION DRILLING - capdrill.com

    2019-3-12u2002·u2002Blast hole drilling requires considerable skill and technical competence . to ensure accurate holes that achieve an optimal distribution of explosive . energy. An effective blast delivers finer ore fragmentation, higher waste mining productivity and minimal …

    Get Price
  • Drill-Holes and Blast-Holes - Mines ParisTech

    2016-12-6u2002·u2002Drill-Holes and Blast-Holes Serge Antoine Séguret1 and Sebastian De La Fuente2 Abstract The following is a geostatistical study of copper measurements on sam-ples from diamond drill-holes and blast-holes. Both measurements are formally compared, leading to a model where a blast-hole

    Get Price
  • A New Method for Blast Hole Analysis - Thermo Fisher

    2013-8-23u2002·u2002A new product has been developed for the online analysis of drill cuttings from quarry blast holes. This new instrument mounts on a drill rig and measures the elemental composition of the entire stream of drill cuttings in real time. Important features of the instrument include the following: • mounts on existing blast hole drilling machines

    Get Price
  • SANDVIK DR416i ROTARY BLAST HOLE DRILL

    ROTARY BLAST HOLE DRILL Sandvik DR416i is a diesel-powered, self-propelled, crawler-mounted blasthole drill for surface mining. It is standard equipped for rotary drilling. HIGHER PRODUCTIVITY THROUGH INNOVATION Sandvik DR416i uses a CAN bus controlled hydraulic system to monitor the machine, allowing for timely

    Get Price
  • DRILLING MANUAL - Geoscience

    2019-7-3u2002·u2002as 30 m/hr. The flushing of cuttings may be by water, mud or air (rotary air blast – RAB). The circulation can be normal (cuttings up the annulus) or reverse circulation (RC - in which cuttings come up the inside of the drillstring). There are numerous combinations of the various open hole rotary drilling techniques and hole clearing techniques.

    Get Price
  • SPECIALISTS IN THE FIELD OF DRILLING

    2015-2-25u2002·u2002n Blast hole drilling n Horizontal/highwall drainage n Steam relief well drilling n Remote exploration projects ... Drilling is more than an operational function of business. It's about relationships and trust in a team that is on your side, and by your side.

    Get Price
  • DRILLING AND BLASTING DESIGN BASED ON

    2019-7-19u2002·u2002holes in a row can be used as W 2. This is characteristic value of an adequate accuracy for a mean burden of a blast hole pattern. Hence, the function (2) considering specific charge is: 2 3 0 0 = ⋅ o i i i W W q q η η (3) where W 0 is reference value of a blast hole pattern, m; q 0 is reference specific energy cost, kgm/m3; Q i is new

    Get Price
  • EFFECTS OF BLAST-HOLE DEVIATION ON DRILLING AND

    2015-7-12u2002·u2002The correlation between extra cost and blast-hole deviation produce high value of coefficient of determination and it varies from 0.9941 – 0.9952. Keywords: Effect, blast-hole, muck-pile, strength, excavation, loading, mine Introduction Drilling is one of the critical elements in the process of rock breakage. A blast hole is merely a cylindrical

    Get Price
  • Improved technologies in longhole blast hole drilling ...

    2009-8-26u2002·u2002Improved technologies in longhole blast hole drilling ... Deflection is a function of hole length and drilling accuracy, beyond a depth of 50 metres, cannot be guaranteed, although reasonably accurate holes have been drilled up to 75 metres. Holes in the range of 50 and 75 metres should be a shared

    Get Price
  • (PDF) EFFECTS OF BLAST-HOLE DEVIATION ON DRILLING

    The correlation between extra cost and blast-hole deviation produce high value of coefficient of determination and it varies from 0.9941 – 0.9952. Keywords: Effect, blast-hole, muck-pile, strength, excavation, loading, mine Introduction Drilling is one of the critical elements in …

    Get Price
  • PRODUCTION DRILLING - capdrill.com

    2019-3-12u2002·u2002Blast hole drilling requires considerable skill and technical competence . to ensure accurate holes that achieve an optimal distribution of explosive . energy. An effective blast delivers finer ore fragmentation, higher waste mining productivity and minimal …

    Get Price
  • Drill-Holes and Blast-Holes - Mines ParisTech

    2016-12-6u2002·u2002Drill-Holes and Blast-Holes Serge Antoine Séguret1 and Sebastian De La Fuente2 Abstract The following is a geostatistical study of copper measurements on sam-ples from diamond drill-holes and blast-holes. Both measurements are formally compared, leading to a model where a blast-hole

    Get Price
  • A New Method for Blast Hole Analysis - Thermo Fisher

    2013-8-23u2002·u2002A new product has been developed for the online analysis of drill cuttings from quarry blast holes. This new instrument mounts on a drill rig and measures the elemental composition of the entire stream of drill cuttings in real time. Important features of the instrument include the following: • mounts on existing blast hole drilling machines

    Get Price
  • SANDVIK DR416i ROTARY BLAST HOLE DRILL

    ROTARY BLAST HOLE DRILL Sandvik DR416i is a diesel-powered, self-propelled, crawler-mounted blasthole drill for surface mining. It is standard equipped for rotary drilling. HIGHER PRODUCTIVITY THROUGH INNOVATION Sandvik DR416i uses a CAN bus controlled hydraulic system to monitor the machine, allowing for timely

    Get Price
  • DRILLING MANUAL - Geoscience

    2019-7-3u2002·u2002as 30 m/hr. The flushing of cuttings may be by water, mud or air (rotary air blast – RAB). The circulation can be normal (cuttings up the annulus) or reverse circulation (RC - in which cuttings come up the inside of the drillstring). There are numerous combinations of the various open hole rotary drilling techniques and hole clearing techniques.

    Get Price
  • SPECIALISTS IN THE FIELD OF DRILLING

    2015-2-25u2002·u2002n Blast hole drilling n Horizontal/highwall drainage n Steam relief well drilling n Remote exploration projects ... Drilling is more than an operational function of business. It's about relationships and trust in a team that is on your side, and by your side.

    Get Price