CN104060991B - A kind of for ramp upward ut and fill stoping in the arteries and veins of Gently inclined thin vein - Google Patents

A kind of for ramp upward ut and fill stoping in the arteries and veins of Gently inclined thin vein Download PDF

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CN104060991B
CN104060991B CN201410292970.3A CN201410292970A CN104060991B CN 104060991 B CN104060991 B CN 104060991B CN 201410292970 A CN201410292970 A CN 201410292970A CN 104060991 B CN104060991 B CN 104060991B
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veins
arteries
ore
pseudo
stope
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CN104060991A (en
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赵国彦
李夕兵
张瑞华
马春德
李启月
刘志祥
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中南大学
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Abstract

The invention discloses a kind of for ramp upward ut and fill stoping in the arteries and veins of Gently inclined thin vein, ore body slicing, ore body is arrived from bottom level haulage heading connecting taxiway, then tunnel and pseudo-inclined ramp road rises certain altitude along the pulse, along the pulse slice drift and the reversing chamber vertical with slice drift and segmentation ore removal drop shaft is tunneled forward again, from slice drift side raise driving pseudo-inclined ramp road along the pulse, rise section of height again, tunnels slice drift, reversing chamber and segmentation ore removal drop shaft along the pulse; Divide stope with pseudo-inclined ramp road for boundary, advance continuously from one end of mineral ore to the other end, rely on each layering of the sensible ore body in pseudo-inclined ramp road of driving in arteries and veins, in stope, each slicing unit carries out back production and filling from lower to upper successively.Mechanization degree of the present invention is high, adopt that accurate engineering quantity is few, labour intensity is low, ore dilution loss rate is few, job safety, efficiency are high outside arteries and veins.

Description

A kind of for ramp upward ut and fill stoping in the arteries and veins of Gently inclined thin vein

Technical field

The present invention relates to a kind of mining methods, particularly relate to a kind of upward ut and fill stoping for Gently inclined thin vein Truckless mining, ramp slight slope and thin ore body mechanical mining method in the arteries and veins being specially adapted to ore deposit rock moderately stable.

Background technology

Gently inclined thin vein is that China's nonferrous metals ore mineral ore composes one of principal mode deposited, and particularly in the mineral deposits such as gold, silver, molybdenum, tin, tungsten, antimony, occupies larger proportion.Usual Gently inclined thin vein adopts common open-stope method or vertical slicing room and pillar caving; namely the legacy equipment such as pneumatic feedleg hammer drill and scraper is adopted to carry out perforating ore removal; not only equipment falls behind, to adopt accurate engineering quantity large; ore limits is difficult to control, ore dilution loss rate is high; and production efficiency is low, labour intensity is large, difficult etc. after ore explosion, thus causes the mine of this type of working of lodes to be absorbed in unprecedented predicament.

As everyone knows, the developing direction of mining is mechanization.But for Gently inclined thin vein exploitation, by the impact at orebody thickness and inclination angle, the ore deposit amount in back production unit is few, if the development layout of traditionally Truckless mining, then adopt accurate engineering quantity outside arteries and veins greatly, main economic and technical indices severe exacerbation; According to the rake ore deposit equipment of electric scraper discharging, then equipment is backward, operational security is poor, production efficiency is low, labor strength is large.For Gently inclined thin vein, broken ore can not rely on deadweight ore drawing, is limited by trackless equipment climbing capacity, sets up trackless and adopts Barebone and be absolutely necessary.But the trackless that arteries and veins is arranged outward adopts the yield that Barebone greatly can increase barren rock, Gently inclined thin vein is caused to exploit every technical-economic index degradation, mining economic benefit declines, consult domestic and international pertinent literature patent, do not find in narrow vein mining, adopt ramp in arteries and veins to adopt the documents and materials of Barebone, little in view of adopting filling-up method to have loss and dilution rate in Gently inclined thin vein, flexibility is large, the feature such as adaptable, Barebone is adopted by adopting rational trackless, in conjunction with the superiority of upward ut and fill stoping, the safety and high efficiency problem of slight slope and thin ore body can be solved.Therefore, adopt for Gently inclined thin vein Truckless mining that accurate engineering quantity is large, the high problem inefficient with back production of cost of production, design adopts ramp Preparatory work mode in arteries and veins to be a kind of optimal selection, but ramp trackless adopts Barebone in common arteries and veins, no matter be Zigzag type or Continuous Pseudo angled manner, all can not guarantee that trackless equipment enters Stope face smoothly or meets stoping operation requirement.

Summary of the invention

Under technical problem to be solved by this invention is to provide a kind of prerequisite ensureing job safety, realize the safe and efficient low cost exploitation of the mechanization of slight slope and thin ore body for ramp upward ut and fill stoping in the arteries and veins of Gently inclined thin vein.

In order to solve the problems of the technologies described above, provided by the invention for ramp upward ut and fill stoping in the arteries and veins of Gently inclined thin vein, mineral ore divides stage casing on vertical high direction, relies on the pseudo-inclined ramp road of driving in arteries and veins, trackless equipment enters stope, realizes the mechanical mining of Gently inclined thin vein; Pseudo-inclined ramp road in arteries and veins, mineral ore is arrived from bottom level haulage heading connecting taxiway, then tunnel and pseudo-inclined ramp road rises certain altitude along the pulse, along the pulse slice drift is tunneled forward again, vertical fragmentation heading reversing chamber and segmentation ore removal drop shaft, raise driving pseudo-inclined ramp road along the pulse from slice drift side, rise section of height again, along the pulse slice drift, reversing chamber and segmentation ore removal drop shaft is tunneled, so repeatedly until the position that is connected with mineral ore connecting taxiway of upper stage casing haulage way or level haulage gallery; Trackless equipment arrives slice drift and turns back along pseudo-inclined ramp road, formed in a zigzag, arrives mineral ore high any position of hanging down and carries out rock drilling and ore removal; In ore body, across pitch tunnels filling at a certain distance and ventilates and go up a hill; Divide stope with pseudo-inclined ramp road for boundary, advance continuously from one end of mineral ore to the other end, in stope, each slicing unit carries out back production from lower to upper successively; When trackless equipment because of the pseudo-inclined ramp road of segmentation turn back change direction directly can not enter stope time, then tunnel layering entry along the pulse, form passage and enter stope; With common rock drilling equipment or hydraulic drill ring perforating, scraper ore removal, broken ore scraper is in segmentation ore pass or stage casing drop shaft; Casting resin is transferred from filling ventilating shaft position, and ramp is with the rising of back production height and slicing and filling and fading away.

Particularly, ore body is divided stage casing every 25m ~ 50m on vertical height, ore body from one end to the other side direction back production; Arrange ramp in arteries and veins according to stabilising rock every 50m ~ 200m in panel, stope is that boundary presents the division of " it " font with ramp; Height of lift 10m ~ 15m, divide layering in stage casing, layer height is 2.0m ~ 3.0m, unsupported back span 1.0m ~ 1.5m after stope filling, and slicing element length is 50m ~ 200m, and width is ore body thickness; Fore-set height is 2.0m ~ 3.5m.

Particularly, adopt accurate engineering: lower level haulage gallery → pseudo-inclined ramp road → slice drift → reversing chamber → ore removal crosscut → segmentation ore removal drop shaft → stage casing ore removal drop shaft → filling is ventilated and gone up a hill, pseudo-inclined ramp road tunnels along the pulse with the gradient of 16% ~ 20%, ramp 10m ~ the 15m that often rises tunnels slice drift more along the pulse and to move ahead 10m ~ 15m, and the reversing chamber vertical with slice drift and segmentation ore removal drop shaft, from slice drift side raise driving pseudo-inclined ramp road along the pulse, rise 10m ~ 15m again, along the pulse the slice drift of same specification is tunneled, reversing chamber and segmentation drop shaft, so repeatedly until upper stage casing transportation roadway or level haulage gallery and mineral ore connecting taxiway connected position, trackless equipment reaches slice drift along pseudo-inclined ramp road and turns back, and forms "the" shape, arrives mineral ore high any position of hanging down and carries out rock drilling and ore removal, when trackless equipment because of the pseudo-inclined ramp road of segmentation turn back change direction directly can not enter stope time, then tunnel layering entry 5m ~ 8m along the pulse, form passage and enter stope, in ore body, across pitch tunnels filling every 40m ~ 100m and ventilates and go up a hill.

Particularly, stope driling explosion: with pseudo-inclined ramp road for boundary divides stope, advance continuously from one end of mineral ore to the other end, stope ramp spacing is 50m ~ 100m, rely on each layering of the sensible ore body in pseudo-inclined ramp road of driving in arteries and veins, in stope, each slicing unit carries out back production and filling from lower to upper successively.Wherein, rock drilling equipment adopts common rock drilling equipment or hydraulic drill ring; First layer adopts 3.0m ~ 4.5m height ore body, and all the other layering mining heights are 2.0m ~ 3.0m.

Particularly, stope ventilation: freshly distinguished and admirablely to be ventilated → each layering stope of going up a hill by lower level haulage gallery → filling; Behind cleaning face, dirty wind is ventilated by filling and goes up a hill 12 → upper stage casing haulage way 8 → returnairshaft; In the poor location of ventilation effect, portable blower should be adopted to strengthen local ventilation.

Particularly, ore drawing in stope: after stope ventilation completes, carry out protecting top operation according to field conduct situation, adopt scraper to enter stope subsequently and carry out ore removal operation, ramp → slice drift in ore passages through which vital energy circulates → reversing chamber → segmentation ore removal drop shaft, or by ramp in arteries and veins → upper stage casing haulage way → stage casing ore removal drop shaft.

Particularly, stope filling: after each slicing terminates, immediately casting resin is transferred from filling ventilating shaft and carry out filling, packing job comprises tailing-filled and cement plane and builds, packed height is identical with layering mining height, and the space that after each filling, reserved 1.0m ~ 1.5m is high provides compensating space in blasting for higher slice back production unit; Pseudo-inclined ramp road is then with rising and the slicing and filling and fading away of back production height.

Adopt technique scheme for ramp upward ut and fill stoping in the arteries and veins of Gently inclined thin vein, its beneficial effect is:

1. stoping safety is high

The present invention is directed to the feature of Gently inclined thin vein, be divided into stage casing in short transverse, be further subdivided into layering in stage casing and exploit, strictly control the empty heights of roofs of stope, for the safety of work plane personnel and equipment provides guarantee.

2. adopt outside arteries and veins that accurate engineering quantity is few, cost is low

Pseudo-inclined ramp road, segmentation tunnel etc. are adopted accurate engineering and are arranged in arteries and veins, and mining methods are mainly adopted accurate engineering and are seldom arranged in outside arteries and veins, and thus barren rock driving freight volume is low, and cost of winning declines and economic and technical norms are advanced.

3. mechanization degree is high, labour intensity is low

Adopt pseudo-inclined ramp road trackless to adopt Barebone in production, the mechanized equipments such as scraper directly enter stope and carry out operation, and mechanization degree is high, and labor strength is low.

4. back production efficiency is high, production capacity is large

Adopt mechanization upward ut and fill stoping, rely on advanced extractive equipment and process for stoping, drastically increase back production efficiency and the production capacity of stope.

In sum, the present invention is under a kind of prerequisite ensureing job safety, realize the safe and efficient low cost exploitation of the mechanization of slight slope and thin ore body for ramp upward ut and fill stoping in the arteries and veins of Gently inclined thin vein.

Accompanying drawing explanation

Fig. 1 is mining methods structure perspective view of the present invention.

Fig. 2 is the B-B section of Fig. 1.

Fig. 3 is the C-C section of Fig. 1.

In figure: 1-lower level haulage gallery; 2-ore removal crosscut; 3-segmentation ore removal drop shaft; 4-stage casing ore removal drop shaft; 5-fore-set; 6-reversing chamber; 7-fore-set; 8-upper stage casing haulage way; 9-tailings filling body; 10-cemented fill; Ramp in 11-arteries and veins; 12-filling vent (-escape) raise.

Detailed description of the invention

Provided by the invention for ramp upward ut and fill stoping in the arteries and veins of Gently inclined thin vein, mineral ore divides stage casing on vertical high direction, and rely on the pseudo-inclined ramp road of driving in arteries and veins, trackless equipment enters stope, realizes the mechanical mining of Gently inclined thin vein; Pseudo-inclined ramp road in arteries and veins, mineral ore is arrived from bottom level haulage heading connecting taxiway, then tunnel and pseudo-inclined ramp road rises certain altitude along the pulse, along the pulse slice drift is tunneled forward again, vertical fragmentation heading reversing chamber and segmentation ore removal drop shaft, raise driving pseudo-inclined ramp road along the pulse from slice drift side, rise section of height again, along the pulse slice drift, reversing chamber and segmentation ore removal drop shaft is tunneled, so repeatedly until the position that is connected with mineral ore connecting taxiway of upper stage casing haulage way or level haulage gallery; Trackless equipment arrives slice drift and turns back along pseudo-inclined ramp road, formed in a zigzag, arrives mineral ore high any position of hanging down and carries out rock drilling and ore removal; In ore body, across pitch tunnels filling at a certain distance and ventilates and go up a hill; Divide stope with pseudo-inclined ramp road for boundary, advance continuously from one end of mineral ore to the other end, in stope, each slicing unit carries out back production and filling from lower to upper successively; When trackless equipment because of the pseudo-inclined ramp road of segmentation turn back change direction directly can not enter stope time, then tunnel layering entry along the pulse, form passage and enter stope; With common rock drilling equipment or hydraulic drill ring perforating, scraper ore removal, broken ore scraper is in segmentation ore pass or stage casing drop shaft; Casting resin is transferred from filling ventilating shaft position, and ramp is with the rising of back production height and slicing and filling and fading away.

Below in conjunction with the drawings and specific embodiments, the invention will be further described.

See Fig. 1, Fig. 2 and Fig. 3, provided by the invention as follows for the concrete technical scheme of ramp upward ut and fill stoping in the arteries and veins of Gently inclined thin vein:

1), by ore body on vertical height, stage casing is divided every 25m ~ 50m, ore body from one end to the other side direction back production; Arrange ramp in arteries and veins according to stabilising rock every 50m ~ 200m in panel, stope is that boundary presents the division of " it " font with ramp; Height of lift 10m ~ 15m, divide layering in stage casing, layer height is 2.0m ~ 3.0m, unsupported back span 1.0m ~ 1.5m after stope filling, and slicing element length is 50m ~ 200m, and width is ore body thickness; Fore-set height is 2.0m ~ 3.5m;

2), adopt accurate engineering: lower level haulage gallery 1 → pseudo-inclined ramp road 11 → slice drift 5 → reversing chamber 6 → ore removal crosscut 2 → segmentation ore removal drop shaft 3 → stage casing ore removal drop shaft 4 → filling is ventilated and gone up a hill 12, pseudo-inclined ramp road 11 tunnels along the pulse with the gradient of 16% ~ 20%, ramp 10m ~ the 15m that often rises tunnels slice drift 5 more along the pulse and to move ahead 10m ~ 15m, and the reversing chamber 6 vertical with slice drift and segmentation ore removal drop shaft 3, from slice drift side raise driving pseudo-inclined ramp road along the pulse, rise 10m ~ 15m again, along the pulse the slice drift of same specification is tunneled, reversing chamber and segmentation drop shaft, so repeatedly until upper stage casing transportation roadway or level haulage gallery and mineral ore connecting taxiway connected position, trackless equipment arrives slice drift and turns back along pseudo-inclined ramp road, form "the" shape, arrives mineral ore high any position of hanging down and carries out rock drilling and ore removal, when trackless equipment because of the pseudo-inclined ramp road of segmentation turn back change direction directly can not enter stope time, then tunnel layering entry 5m ~ 8m along the pulse, form passage and enter stope, in ore body, across pitch tunnels filling every 40m ~ 100m and ventilates and go up a hill.

3), stope driling explosion: with pseudo-inclined ramp road for boundary divides stope, advance continuously from one end of mineral ore to the other end, stope ramp spacing is 50m ~ 100m, rely on each layering of the sensible ore body in pseudo-inclined ramp road of driving in arteries and veins, in stope, each slicing unit carries out back production and filling from lower to upper successively.Wherein, rock drilling equipment adopts common rock drilling equipment or hydraulic drill ring; First layer adopts 3.0m ~ 4.5m height ore body, and all the other layering mining heights are 2.0m ~ 3.0m.

4), stope ventilation: fresh distinguished and admirable ventilation by the 1 → filling of lower level haulage gallery is gone up a hill 12 → each layering stope; Behind cleaning face, dirty wind is ventilated by filling and goes up a hill 12 → upper stage casing haulage way 8 → returnairshaft; In the poor location of ventilation effect, portable blower should be adopted to strengthen local ventilation.

5), ore drawing in stope: after stope ventilation completes, carry out protecting top operation according to field conduct situation, adopt scraper to enter stope subsequently and carry out ore removal operation, ramp 11 → slice drift 5 → reversing chamber 6 → segmentation ore removal drop shaft 3 in ore passages through which vital energy circulates, or by the 11 → upper haulage way 8 → stage casing, stage casing of ramp in arteries and veins ore removal drop shaft 4.

6), stope filling: after each slicing terminates, immediately casting resin is transferred from filling ventilating shaft 12 and carry out filling, packing job comprises tailing-filled and cement plane and builds, packed height is identical with layering mining height, and the space that after each filling, reserved 1.0m ~ 1.5m is high provides compensating space in blasting for higher slice back production unit; Pseudo-inclined ramp road is then with rising and the slicing and filling and fading away of back production height.

7), Main Economic technical indicator: production capacity of mining field is 118.70t/d, and ore loss ratio is 3%, and ore dilution rate is 11.48%, adopts and cuts than being 125.19m 3/ kt, rock drilling work efficiency is 40m/ machine-team, and explosive specific charge is 0.4kg/t, and mining cost (rock drilling, explosion, ore removal, filling) is 29.06 yuan/t.

Claims (7)

1. one kind for ramp upward ut and fill stoping in the arteries and veins of Gently inclined thin vein, it is characterized in that: mineral ore divides stage casing on vertical high direction, rely on pseudo-inclined ramp road in the interior arteries and veins tunneled of arteries and veins, trackless equipment enters stope, realizes the mechanical mining of Gently inclined thin vein; Pseudo-inclined ramp road in arteries and veins, mineral ore is arrived from bottom level haulage heading connecting taxiway, then tunnel in arteries and veins and pseudo-inclined ramp road rises certain altitude, along the pulse slice drift is tunneled forward again, vertical fragmentation heading reversing chamber and segmentation ore removal drop shaft, pseudo-inclined ramp road in raise driving arteries and veins from slice drift side, rise section of height again, along the pulse slice drift, reversing chamber and segmentation ore removal drop shaft is tunneled, so repeatedly until the position that is connected with mineral ore connecting taxiway of upper stage casing haulage way or level haulage gallery; Trackless equipment along the pulse in pseudo-inclined ramp road arrive slice drift and turn back, formed in a zigzag, arrive mineral ore high any position of hanging down and carry out rock drilling and ore removal; In ore body, across pitch tunnels filling at a certain distance and ventilates and go up a hill; Divide stope with inclined ramp road pseudo-in arteries and veins for boundary, advance continuously from one end of mineral ore to the other end, in stope, each slicing unit carries out back production from lower to upper successively; When trackless equipment because of inclined ramp road pseudo-in arteries and veins turn back change direction directly can not enter stope time, then tunnel layering entry along the pulse, form passage and enter stope; With common rock drilling equipment perforating, scraper ore removal, broken ore scraper is in segmentation ore removal drop shaft or stage casing ore removal drop shaft; Casting resin is transferred from filling ventilating shaft position, and in arteries and veins, pseudo-inclined ramp road is with the rising of back production height and slicing and filling and fading away.
2. according to claim 1 for ramp upward ut and fill stoping in the arteries and veins of Gently inclined thin vein, it is characterized in that: ore body is divided stage casing every 25m ~ 50m on vertical height, ore body from one end to the other side direction back production; Arrange pseudo-inclined ramp road in arteries and veins according to stabilising rock every 50m ~ 200m in panel, stope divides for boundary presents " it " font with inclined ramp road pseudo-in arteries and veins; Height of lift 10m ~ 15m, divide layering in segmentation, layer height is 2.0m ~ 3.0m, distance of face roof under control 1.0m ~ 1.5m after stope filling, and slicing element length is 50m ~ 200m, and width is ore body thickness; Fore-set height is 2.0m ~ 3.5m.
3. according to claim 1 and 2 for ramp upward ut and fill stoping in the arteries and veins of Gently inclined thin vein, it is characterized in that: adopt accurate engineering: in lower level haulage gallery → arteries and veins, pseudo-inclined ramp road → slice drift → reversing chamber → ore removal crosscut → segmentation ore removal drop shaft → stage casing ore removal drop shaft → filling is ventilated and gone up a hill, in arteries and veins pseudo-inclined ramp road with 16% ~ 20% the gradient tunnel along the pulse, in arteries and veins, the pseudo-inclined ramp road 10m ~ 15m that often rises tunnels slice drift more along the pulse and to move ahead 10m ~ 15m, and the reversing chamber vertical with slice drift and segmentation ore removal drop shaft, pseudo-inclined ramp road in the raise driving arteries and veins of slice drift side, rise 10m ~ 15m again, along the pulse the slice drift of same specification is tunneled, reversing chamber and segmentation drop shaft, so repeatedly until upper stage casing transportation roadway or level haulage gallery and mineral ore connecting taxiway connected position, trackless equipment along the pulse in pseudo-inclined ramp road arrive slice drift and turn back, form "the" shape, arrive mineral ore high any position of hanging down and carry out rock drilling and ore removal, when trackless equipment because of inclined ramp road pseudo-in arteries and veins turn back change direction directly can not enter stope time, then tunnel layering entry 5m ~ 8m along the pulse, form passage and enter stope, in ore body, across pitch tunnels filling every 40m ~ 100m and ventilates and go up a hill.
4. according to claim 1 and 2 for ramp upward ut and fill stoping in the arteries and veins of Gently inclined thin vein, it is characterized in that: stope driling explosion: with inclined ramp road pseudo-in arteries and veins for boundary divides stope, advance continuously from one end of mineral ore to the other end, in stope arteries and veins, pseudo-inclined ramp track pitch is 50m ~ 100m, rely on each layering of the sensible ore body in pseudo-inclined ramp road in the interior arteries and veins tunneled of arteries and veins, in stope, each slicing unit carries out back production and filling from lower to upper successively; Wherein, rock drilling equipment adopts common rock drilling equipment; First layer adopts 3.0m ~ 4.5m height ore body, and all the other layering mining heights are 2.0m ~ 3.0m.
5. according to claim 1 and 2 for ramp upward ut and fill stoping in the arteries and veins of Gently inclined thin vein, it is characterized in that: stope ventilation: freshly distinguished and admirablely to be ventilated → each layering stope of going up a hill by lower level haulage gallery → filling; Behind cleaning face, dirty wind is ventilated by filling and goes up a hill 12 → upper stage casing haulage way 8 → returnairshaft; In the poor location of ventilation effect, portable blower should be adopted to strengthen local ventilation.
6. according to claim 1 and 2 for ramp upward ut and fill stoping in the arteries and veins of Gently inclined thin vein, it is characterized in that: ore drawing in stope: after stope ventilation completes, carry out protecting top operation according to field conduct situation, adopt scraper to enter stope subsequently and carry out ore removal operation, pseudo-inclined ramp road → slice drift → reversing chamber → segmentation ore removal drop shaft in ore passages through which vital energy circulates, or by inclined ramp road pseudo-in arteries and veins → upper stage casing haulage way → stage casing ore removal drop shaft.
7. according to claim 1 and 2 for ramp upward ut and fill stoping in the arteries and veins of Gently inclined thin vein, it is characterized in that: stope filling: after each slicing terminates, immediately casting resin is transferred from filling ventilating shaft and carry out filling, packing job comprises tailing-filled and cement plane and builds, packed height is identical with layering mining height, and the space that after each filling, reserved 1.0m ~ 1.5m is high provides compensating space in blasting for higher slice back production unit; In arteries and veins, pseudo-inclined ramp road is then with rising and the slicing and filling and fading away of back production height.
CN201410292970.3A 2014-06-26 2014-06-26 A kind of for ramp upward ut and fill stoping in the arteries and veins of Gently inclined thin vein CN104060991B (en)

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RU2352780C1 (en) * 2007-12-10 2009-04-20 Государственное образовательное учреждение высшего профессионального образования "Санкт-Петербургский государственный горный институт имени Г.В. Плеханова (технический университет)" Method of ore bodies development
CN101539020A (en) * 2009-04-23 2009-09-23 长沙矿山研究院 Upward cut-and-fill mining method
CN102251773A (en) * 2011-06-22 2011-11-23 大冶有色金属股份有限公司 Route type upward horizontal layered filling mining method suitable for extremely complex ore body mining

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