التعدين longhole التائه


نشر على October 20, 2019


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Long hole drilling for the platinum industry— a mining . - SAIMMIn-stope long hole drilling is the method whereby holes are drilled parallel to the face from a drill gully through to a toe gully. Figure 1 shows a typical in-stope long . RAPSON, G. and RUPPRECHT, S. Long hole drilling for the platinum industry—a mining perspective. ... between 6 to 10% of percussive energy will be lost,.التعدين longhole التائه,Stoping - WikipediaAs mining progresses the stope is often backfilled with tailings, or when needed for strength, a mixture of tailings and cement. In old mines, stopes frequently collapse at a later time, leaving craters at the surface. They are an unexpected danger when records of underground mining have been lost with the passage of time.


طلب الإقتباس


Lecture 4: Underground Mining - SlideShare

Nov 2, 2011 . Mining can be done by the following methods:- a) Short-hole and Long-hole mining methods b) Selective and unselective mining methods c) Supported and Unsupported underground mining .. They are an unexpected danger when records of underground mining have been lost with the passage of time.

Underground Mining Methods - Body

Underground Mining Methods and Applications. Long-hole drilling and blasting. Drill access 1. Stope. Drill access 2. Blasted ore. Undercut fan blasting. Loading crosscute. Transport drift. Qraw point. FIGURE 1.9 Sublevel open stoping. FIGURE 1.10 Longhole rig with slide positioning, remote control, and tube carousel.

Longitudinal longhole retreat - QueensMineDesignWiki

Mar 19, 2012 . From Queen's University Mine Design Wiki. Longitudinal longhole retreat is a branch of the generic mining method known as sublevel stoping. For longitudinal retreat the long axis of the stope is along (or parallel) to the strike of the orebody. It may also be referred to as bench stoping or sublevel benching.

LONG HOLE DRILLING

Mar 7, 2016 . To drill blast holes for ore pass development from the cross cut and from the bottom up. It is also used for drilling drain holes and cable holes.

Overhand Stoping - University of Saskatchewan

Shrinkage Variation - Raise or. Alimak Mining. • A variation of shrinkage mining. • Long hole drill is mounted on an alimak raise climber. • Mechanized, cost effective method.

long-hole-stoping - Mining Magazine

Search results on 'long-hole stoping'. Palladium picks up pace . longhole stoping with primary and secondary stoping. required for longhole stoping, but not necessarily the. 'super shrinkage' blasthole stoping method, which was. Carly Leonida 01 Nov 2011 08:09. Masterclass in mass mining . operation produces over.

Long hole drilling for the platinum industry— a mining . - SAIMM

In-stope long hole drilling is the method whereby holes are drilled parallel to the face from a drill gully through to a toe gully. Figure 1 shows a typical in-stope long . RAPSON, G. and RUPPRECHT, S. Long hole drilling for the platinum industry—a mining perspective. ... between 6 to 10% of percussive energy will be lost,.

Stoping - Wikipedia

As mining progresses the stope is often backfilled with tailings, or when needed for strength, a mixture of tailings and cement. In old mines, stopes frequently collapse at a later time, leaving craters at the surface. They are an unexpected danger when records of underground mining have been lost with the passage of time.

Lecture 4: Underground Mining - SlideShare

Nov 2, 2011 . Mining can be done by the following methods:- a) Short-hole and Long-hole mining methods b) Selective and unselective mining methods c) Supported and Unsupported underground mining .. They are an unexpected danger when records of underground mining have been lost with the passage of time.

التعدين longhole التائه,

Underground Mining Methods - Body

Underground Mining Methods and Applications. Long-hole drilling and blasting. Drill access 1. Stope. Drill access 2. Blasted ore. Undercut fan blasting. Loading crosscute. Transport drift. Qraw point. FIGURE 1.9 Sublevel open stoping. FIGURE 1.10 Longhole rig with slide positioning, remote control, and tube carousel.

LONG HOLE DRILLING

Mar 7, 2016 . To drill blast holes for ore pass development from the cross cut and from the bottom up. It is also used for drilling drain holes and cable holes.

Overhand Stoping - University of Saskatchewan

Shrinkage Variation - Raise or. Alimak Mining. • A variation of shrinkage mining. • Long hole drill is mounted on an alimak raise climber. • Mechanized, cost effective method.

long-hole-stoping - Mining Magazine

Search results on 'long-hole stoping'. Palladium picks up pace . longhole stoping with primary and secondary stoping. required for longhole stoping, but not necessarily the. 'super shrinkage' blasthole stoping method, which was. Carly Leonida 01 Nov 2011 08:09. Masterclass in mass mining . operation produces over.

Longitudinal longhole retreat - QueensMineDesignWiki

Mar 19, 2012 . From Queen's University Mine Design Wiki. Longitudinal longhole retreat is a branch of the generic mining method known as sublevel stoping. For longitudinal retreat the long axis of the stope is along (or parallel) to the strike of the orebody. It may also be referred to as bench stoping or sublevel benching.

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