Home / stope hole checking instrument in mining

stope hole checking instrument in mining

techniques used in mine water problems of the east

Instruments for measuring flow 4 Paqe Fiqure 1 Apparatus for introducing dye into diamond drill holes the methods used in studying the mine water problems samples and time the dyed samples stopped appear ing

Continental Gold Announces Second Long Hole Trial Mining Test

10 Oct 2017 Long Hole Trial Mining Stopes Figures 1 and 2 The second trial mining test will occur in the Yaraguá vein system where ore will be Major development equipment continues to arrive at site and the mining fleet now nbsp

Rail track and associated equipment for use underground

4 This guidance covers rail track used underground in mines by locomotive and with much lower axle loads than this to avoid undue compression of tyres Checks should be made shortly after installation and the fishbolts retightened rail the bolt hole tolerances allow the rail ends to be virtually butted although a

Mining Terms Mining the Motherlode

8 Jun 2000 ASSAY To test ores or minerals by chemical or other methods for the BALL MILL A piece of milling equipment used to grind ore into small particles and equipped with a gate through which ore is drawn from a stope into mine cars the mouth of a shaft also used to describe the top of a drill hole

Chapter 74 Mining and Quarrying

This is the equivalent of digging a 1 5 metre deep hole the size of Switzerland testing by trenching or drilling entailing the use of heavy equipment such as This is done by mining two or three adjacent stope drives to the full length and nbsp

Long hole drilling applied to narrow reef mining

was experienced in measuring hole straightness and accuracy there was of a test programme for the Solo drilling rig equipment fleet to establish a practical narrow reef long hole long hole stoping method could be used to mine these

INSTRUMENTS FOR MONITORING STABILITY OF

A wide variety of instruments are commercially available for measuring deformation strain stress and or load Data collected from these instruments can warn mine staff of impending ground is typically grouted in a BX size 60 mm 2 36 in drill hole to available at the desired location in the stope the instruments

Vertical crater retreat QueensMineDesignWiki

7 Feb 2014 Similar to Sublevel open stoping and Blasthole stoping methods VCR The mining equipment subsidiary company Continuous Mining System Often times mines will check the bottom sill for proper alignment before nbsp

Openpit mining over old workings

equipment or blasting may cause the pillar to fall into the holes or the ground collapses Thoroughly check the location of old mine workings stope void

PH93 V 7 Mine Safety and Health Administration MSHA

underground and surface coal mines The instructions in this handbook Intermachine Arc Suppressing Device Testing Procedures Check for burned holes in explosion proof enclosures motor will stop running if the ground trip relay is nbsp

Method for Calculating Volume of Small Mine Drifts 911

1 Feb 2017 The opening into their own stope being so small the roof being so low and was impossible to set up the instrument in any position outside the hole so of the triangle however as a check the distance aa1 was measured

SSW Probe EM values in production holes GDD

The SSW System A light portable electromagnetic instrument for measuring the content of conductive magnetic material Why mining when you can avoid it

Evaluating Performance Characteristics of

Machine mounted methane monitors must be used to continuously monitor mine operator is responsible for periodically check large display digital stop watch a cylinder of 2 5 pct holes where the gas exits the sensor head may affect

The Deepest Hole Damn Interesting

5 Mar 2007 When drilling stopped in 1994 the hole was over seven miles deep 12 262 smell all over the place though like the smell you find at big mine sites because the built in error checking methods of testing and verifying claims 10mm 1cm 10cm 1dm 10 dm 1 meter – my head is just spinning

Grouting for Ground Water Control in Underground

A central test hole will often be used to monitor the effectiveness of the grout treatment boundary pillars between adjacent mines to prevent migration of water The test equipment comprises an accurate means of pressure measurement

Underground Mining Methods Body

Measuring Sump FIGURE 1 1 The Stope Underground excavation made by removing ore allows trackless equipment to be used in drilling and mucking Mining FIGURE 1 7 Mini rig for longhole drilling Stillwater platinum mine

Method for Calculating Volume of Small Mine Drifts 911 Metallurgist

1 Feb 2017 The opening into their own stope being so small the roof being so low and was impossible to set up the instrument in any position outside the hole so of the triangle however as a check the distance aa1 was measured

Wall Station Surveys SlideShare

31 Aug 2014 Most Mine Surveyors still install survey stations into the backs of the underground workings Diagram 7 Wall Station – Hole drilled into the rock The method for measuring the height from the station to instrument and then

Economic consequences of hole deviations in mining operations

15 Aug 2011 In mining methods involving the use of long holes extra costs are wear of equipment extra crushing extra mineral dressing work and increased labour costs and their consequences involved two selected operations namely stope observation of drilling operations measurement of hole deviations nbsp

Rotary Drilling Holes in Coalbeds for Degasification

Pittsburgh Mining and Safety Research Center Pittsburgh Pa UNITED STATES DEPARTMENT OF THE BQ one way check valve to develop tools and equipment for drilling horizontal holes in coal to depths of 450 feet 1 4 this course some means of correcting its path must be applied to prevent the hole from

Chapter 6 INITIATION

prevent the loss shortening of the lead wire from blast damage An essential piece of testing equipment for electric blasting is either the BLASTING LEL circuits are used in mines where firing is done by AC current through a blasting switch NEVER use a cast primer or booster if the hole for the detonator is too small

Continental Gold Announces Second Long Hole Trial Mining Test

10 Oct 2017 Long Hole Trial Mining Stopes Figures 1 and 2 Major development equipment continues to arrive at site and the mining fleet now includes nbsp

SLOPE MONITORING TECHNIQUES AND INSTRUMENTS 10 1

Slope movement is most common in open pit mines Several mines Benches and berms are normally used to stop rocks before to fall prior and pose a significant hazard In some cases the holes are used for monitoring both movement and Figure 12 Pin crack meter measuring crack displacement 10 6 2 Surveying

The Mines Regulations 2003 Queen 39 s Printer

16 Jul 2003 23 Interference with safety equipment or processes prohibited 62 Diamond drill holes 63 Open pit MINES O 1 1 REG 2 165 Testing of hoisting ropes – drum hoists 166 Testing of 213 Precautions after inadvertent stop

Underground Mining Regulations Occupational Health

This page contains the full text of the Underground Mining Regulations Report on construction of barrier dam bulkhead or stopping or sealing off abandoned areas Quantitative fit testing of self contained respiratory protective equipment Drilling while loading explosives or near loaded holes misfires or bootlegs

Drilling and Equipment Technology in Mining Drilling Equipment

For a list of drill bit manufacturers and distributors check InfoMine 39 s Mining Suppliers with everything a drilling contractor requires we are one stop shopping subsavers amp associated equipment for blast hole drilling in the mining industry

Displacement MonitoringDisplacement Monitoring

In dams RWEs are ideal for measuring lateral strains beneath earth and rock fill as well Underground hard rock pillar stope roof amp Typical applications include measuring deformation around tunnels mines and The micrometer is a mechanical device used to measure the diameter of a roof bolt hole along its length

Mines Safety of Workers Regulations Service NL

31 Plotting of diamond drill holes 32 Emergency Procedure Mine Rescue 33 Tests and reports b a pull cord or emergency shut down device along the full length of the designed to prevent broken parts of the conveyer from falling into these areas ii each of which is arranged to permit independent testing and

Stoping Wikipedia

Long hole stoping as the name suggests uses holes drilled by a and productive method of mining and can cater for varying ore or removed with remote control LHD load haul dump machine

Glossary of Mining Terms Kentucky Coal Education

Abutment In coal mining 1 the weight of the rocks above a narrow roadway is transferred to the Anemometer Instrument for measuring air velocity Borehole Any deep or long drill hole usually associated with a diamond drill or cyclic unit which must stop the extraction process in order for loading to commence

Standard Test Method Measurement Techniques

This NACE International standard test method provides descriptions of the The coupon size should be small to avoid excessive current drain railway systems HVDC transmission systems mining equipment and telluric currents a small hole through the concrete or asphalt or by contacting a seam of soil between

The Oil Mines Regulations 1984 DGMS

1 These regulations may be called the Oil Mines Regulations 1984 outer wall of the annular space may be an open hole or it may be string of larger a device attached above the well head or christmas tree or riser pipes to control casing means a steel pipe lowered into a well during drilling to prevent caving of

Regulation respecting occupational health and safety in

ASTM means the American Society for Testing and Materials ASTM auxiliary overwind means any safety device preventing a skip or a cage skip where explosives are present in a drill hole in preparation for blasting lieu de sautage A hoistman whose work station is underground or in the head frame of a shaft

SSW Probe EM values in production holes GDD Instruments

The SSW System A light portable electromagnetic instrument for measuring Using this tool you will know exactly where to stop blasting thus saving time and money The SSW probe can also be used to discover mine pockets of rich ore that nbsp

3 Technologies in Exploration Mining and Processing

The three major components of mining exploration mining and processing overlap somewhat tools for the in situ measurement of rock properties for the petroleum and geothermal sectors hand held and down hole analytical instruments Open stopes room and pillar and sublevel stoping methods are the most nbsp

Anatomy of A Mine from Prospect to Production Forest

Anatomy of a Mine was first prepared in looseleaf form to aid Forest Station with funding and compilation provided by the Surface commonly occurs in a drill hole after considerable equipment and methods for measuring physical

Openpit mining over old workings

equipment or blasting may cause the pillar to fall into the holes or the ground collapses Thoroughly check the location of old mine workings stope void

The feasibility of a mine wide continuous closure monitoring system

The second generic issue investigated was the regular measurement of the The AEL electrodet system for stope blasting appears very promising for Figure 3 1 6 Telescopic closure meter developed at CSIR Miningtek to the delays in the detonation sequence between adjacent blast holes in the face this closure

 

Pre: open cut mining equipment australiaNext: tungsten mining contract deals