CN107893658A - Big thick ore body stage open stope afterwards filling mining methods in pole under strong ground pressure ring border - Google Patents
Big thick ore body stage open stope afterwards filling mining methods in pole under strong ground pressure ring border Download PDFInfo
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- CN107893658A CN107893658A CN201711155800.0A CN201711155800A CN107893658A CN 107893658 A CN107893658 A CN 107893658A CN 201711155800 A CN201711155800 A CN 201711155800A CN 107893658 A CN107893658 A CN 107893658A
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- 238000005065 mining Methods 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000011435 rock Substances 0.000 claims abstract description 29
- 238000004519 manufacturing process Methods 0.000 claims abstract description 28
- 238000005553 drilling Methods 0.000 claims abstract description 25
- 238000005520 cutting process Methods 0.000 claims abstract description 9
- 238000011084 recovery Methods 0.000 claims abstract description 6
- 238000004880 explosion Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 238000005422 blasting Methods 0.000 claims description 4
- 230000011218 segmentation Effects 0.000 claims description 4
- 239000002002 slurry Substances 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 238000012946 outsourcing Methods 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 238000004062 sedimentation Methods 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 3
- 239000011449 brick Substances 0.000 claims description 2
- 239000004575 stone Substances 0.000 claims description 2
- 238000007711 solidification Methods 0.000 claims 1
- 230000008023 solidification Effects 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000012856 packing Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C41/00—Methods of underground or surface mining; Layouts therefor
- E21C41/16—Methods of underground mining; Layouts therefor
- E21C41/22—Methods of underground mining; Layouts therefor for ores, e.g. mining placers
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F15/00—Methods or devices for placing filling-up materials in underground workings
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- Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
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- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
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- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The present invention relates to pole big thick ore body stage open stope afterwards filling mining methods under a kind of strong ground pressure ring border, comprise the following steps：1）Panel arrangement divides panel along orebody trend, and each panel is made up of multiple stopes, and ore pillar is left in panel both sides；2）Quasi- cutting is adopted, in each mining phase, is respectively equipped with filling level, rock drilling is horizontal and ore removal is horizontal；3）Each stope is bottom-up to be exploited one by one, and by the way of being exploited using interval, a stope mining, three stopes adopt quasi- cutting, and back production carries out packing job after terminating；4）Stope filling is after a stope in stope completes ore removal, to stope open stope afterwards filling；5）Institute's pillar between ore pillar recovery mine panel, it is preceding to the end of later stage mining to use overhand cut and fill stoping centralized recovery.It is an advantage of the invention that：Production safety, there is good an operating condition and environment, and production efficiency is high, and panel ability is big, and method is simple, adopts that quasi- quantities is small, and the back production period, flexibility is big.
Description
Technical field
The present invention relates to a kind of recovery method field of mineral, is specifically the pole big thick ore body stage under a kind of strong ground pressure ring border
Open stope afterwards filling mining methods.
Background technology
With continually developing for domestic mineral resources, shallow-layer mineral deposit and reserves are constantly consumed, and force increasing ore deposit
Mountain is transferred to deep orebody exploitation.When deep orebody is exploited, the increase of roadway construction cost, ore-rock lifting expense increase, mining
Cost increase.In order to reduce mining cost, economic benefit is obtained, mine is generally exploited with scale reduces production cost.Increase
Mine capacity, Stope Parameters are increased, stope is adapted to maximization production equipment.Stope traditional arrangement mode is rectangle, stope
Long axis direction lateral wall exposed area is big, is pressing by force（There is rock to press tendentiously cruelly）In the environment of, the easy unstability of stope lateral wall,
Collapse, threaten downhole production safety.Therefore, there is an urgent need to a kind of filling for being applied to big thick ore body exploitation in pole under strong ground pressure ring border
Mining methods, realize Deep Shaft Mine in China pole big thick ore body safety and high efficiency.
The content of the invention
It is an object of the invention to provide pole big thick ore body stage open stope afterwards filling mining methods under a kind of strong ground pressure ring border,
To solve security hidden trouble existing for prior art, ensure security, the high efficiency of back production.
The object of the present invention is achieved like this.
Pole big thick ore body stage open stope afterwards filling mining methods under a kind of strong ground pressure ring border of the present invention, it is characterised in that
Stope horizontal plane is comprised the following steps using square arrangement control stope lateral wall exposed area：
1）Panel is arranged
Panel is divided along orebody trend, each panel is made up of multiple stopes, left perpendicular to orebody trend direction panel both sides
Ore pillar, an ore pillar is interior to be provided with return airway, air intake lane and mine chute is provided with an ore pillar, along orebody trend steering wheel section
Do not set curtain wall；
2）Adopt quasi- cutting
In each mining phase, filling level is respectively equipped with from top to bottom, rock drilling is horizontal and ore removal level, three horizontal engineerings are mutual
Mutually utilize, described ore removal level is to arrange ore removal connection roadway in stope both sides, and stope intermediate arrangement moat ditch undercuts lane, ore removal connection
Network lane and moat ditch undercut and connected by ore removal crosscut between lane；Described rock drilling is horizontal, is that the horizontal moat ditch of ore removal undercuts lane
As rock drilling lane；Described filling level, it is to also serve as filling lane by the horizontal moat ditch of the ore removal lane that undercuts, i.e. stowboard utilizes
The moat ditch in upper two mining stages is undercuted lane, and drilling drift is undercuted lane using the moat ditch in upper one mining stage, along orebody trend side
It is a separate ventilation system to two panels arranged side by side, two panels use both sides air intake, the draft type of middle return air,
Stope intermediate arrangement slot raise 8；
3）Back production
Stope continuous stoping in panel, each stope is bottom-up to be exploited one by one, and by the way of being exploited using interval, slitting band is by panel
The order back production of one lateral opposite side, a stope mining, three stopes adopt quasi- cutting, and back production carries out filling work after terminating
Industry, back production rock drilling be in the horizontal rock drilling lane of rock drilling i.e. the horizontal moat ditch of ore removal undercut lane dug using downhole rock drill under to sector
Deep hole, upper centripetal deep hole being dug using top hammer formula hydraulic gate, explosion is using segmentation short-delay blasting, the ore that explosion is got off, by
Scraper is transported to mine chute by ore removal crosscut, ore removal connection roadway, then is transported to stage transportation roadway through mine chute；
4）Stope filling
After a stope in stope completes ore removal, to stope open stope afterwards filling；
5）Ore pillar reclaims
Institute's pillar between the panel of mine, it is preceding to the end of later stage mining to use overhand cut and fill stoping centralized recovery.
The described long 215m in each panel, wide 150m, high 50m；Each panel is made up of 25 stopes, each stope length
30m, wide 30m, high 50m；Ore pillar is left in described panel both sides, and side is 30m ore pillars, and opposite side is 35m ore pillars.
Top hammer formula hydraulic gate is using the top hammer formulas of Simba 1354 mining drill jumbo, and aperture Φ 76mm, described is latent
Hole rock drill uses Simba M6-ITH down-the-hole drilling chassis, aperture Φ 114mm.
When bulk of the extracted ore more than 900mm, hammered into shape in stope using underground hydraulic pressure rubble chassis with movable Crushing
Carry out second-time breakage.
Described stope filling be from upper two mining the stages moat ditch undercut lane hanging outsourcing filter cloth plastic ripple let out
Water pipe, filling sluicing barricade close the goaf is constructed in ore removal crosscut, 500mm is built by laying bricks or stones again before each barricade of ore removal crosscut
Sedimentation basin high~600mm；Filling slurry is sent into this mining stage by undercut lane, slot raise of the moat ditch in upper two mining stages
Stope, fill 4 ~ 6 times, wherein top tight filling 1 ~ 3 time.
Described stope filling is that the vertical casting resin in goaf is distributed as：5m ~ 7m thickness in bottom needs for two layers with top 1m ~ 2m thickness
The high intensity cemented filling material that set strength is 6MPa ~ 10MPa proportionings is filled, remaining middle 41m ~ 44m thickness position filling is solidifying
Tenacity is the low-intensity cemented filling material or tailings of 2MPa ~ 4MPa proportionings.
Advantages of the present invention：
1）Exploited one by one because each stope of the present invention is bottom-up, by the way of being exploited using interval, a stope mining, three adopt
Adopt quasi- cutting in field；Adopt cut than it is low, stope lateral wall exposed area is small, production capacity is big；Stope lateral wall and top can effectively be safeguarded
Plate, reduction lateral wall and top plate move and prevented a large amount of inbreaks；Earth's surface construction of structures is protected, has efficiently controlled surface subsidence；
2）Production safety, there are good operating condition and environment, production efficiency is high, and panel ability is big；
3）The inventive method is simple, adopts that quasi- quantities is small, and the back production time is short, and flexibility is big, during back production stope, great Liang Kuang
Stone is persisted in stope, later stage concentrating mining, and it is to play part supporting role to country rock to persist the ore in stope, is advantageous to
Underground pressure management；
4）Production capacity is big, efficiency high, and mining cost is low.
Brief description of the drawings
Fig. 1 is the panel of pole big thick ore body stage open stope afterwards filling mining methods under a kind of strong ground pressure ring border of the invention
Arrange schematic diagram.
Fig. 2 is Fig. 1 of the present invention A-A sectional views.
Fig. 3 is Fig. 1 of the present invention B-B sectional views.
Fig. 4 is the mining sequence schematic diagram of the present invention.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.
As shown in Figure 1-Figure 3, pole big thick ore body stage open stope afterwards filling is dug up mine under a kind of strong ground pressure ring border of the invention
Method, it is characterised in that stope horizontal plane is comprised the following steps using square arrangement control stope lateral wall exposed area：
1）Panel is arranged
Panel is divided along orebody trend, each panel is made up of multiple stopes 13, the long 215m in each panel, wide 150m, high 50m；
Each panel is made up of 25 stopes, each 13 long 30m of stope, wide 30m, high 50m；Perpendicular to orebody trend direction, panel two
Ore pillar 14 is left in side, and one is left 30m ore pillars 14, and return airway 4 is provided with 30m ore pillars 14；Another leaves 35m ore pillars 14,
Air intake lane 3 and mine chute 1 are provided with 35m ore pillars 14, curtain wall is not set along orebody trend steering wheel section.
2）Adopt quasi- cutting
In each mining phase, filling level is respectively equipped with from top to bottom, rock drilling is horizontal and ore removal level, three horizontal engineerings are mutual
Mutually utilize, described ore removal level is in the both sides of stope 13 arrangement ore removal connection roadway 6, and stope intermediate arrangement moat ditch undercuts lane 7, goes out
Ore deposit connection roadway 6 and moat ditch undercut and connected by ore removal crosscut 5 between lane；Described rock drilling is horizontal, is by the horizontal moat ditch of ore removal
Lane 7 undercut as rock drilling lane；Described filling level, it is to also serve as filling lane by the horizontal moat ditch of the ore removal lane 7 that undercuts, that is, fills
Tunnel is undercuted lane 7 using the moat ditch in upper two mining stages, and drilling drift is undercuted lane 7 using the moat ditch in upper one mining stage, edge
Orebody trend direction two panels arranged side by side are a stope ventilation system, and two panels use both sides air intake, middle return air
Draft type, in stope intermediate arrangement slot raise 8.
3）Back production ore removal
The continuous stoping of stope 13 in panel, each stope 13 is bottom-up to be exploited one by one, using interval exploit by the way of, slitting band by
Quasi- cutting is adopted in the order back production of one lateral opposite side of panel, a back production of stope 13, three stopes 13, and back production is carried out after terminating
Packing job, it can so make the stope surrounding of operation in panel for the protolith or obturation of stabilization,
Back production rock drilling be in the horizontal rock drilling lane of rock drilling i.e. the horizontal moat ditch of ore removal undercut lane 7 dug using downhole rock drill under to fan
Shape deep hole, described downhole rock drill use Simba M6-ITH down-the-hole drilling chassis, aperture Φ 114mm；Using top hammer formula liquid
Rock drill chisel upper centripetal deep hole is pressed, top hammer formula hydraulic gate is using the top hammer formulas of Simba 1354 mining drill jumbo, aperture Φ
76mm, explosion using segmentation short-delay blasting, the ore that explosion is got off, by Sandvik LH625E scrapers by ore removal crosscut 5,
Ore removal connection roadway 6 is transported to mine chute 1；9 be blasthole in figure, top be it is lower to fan-shaped deep hole, bottom be upper centripetal deep hole；
Explosion the ore 12 that explosion is got off, is transported using segmentation short-delay blasting by scraper by ore removal crosscut 5, ore removal connection roadway 6
Stage transportation roadway 2 is transported to mine chute 1, then through mine chute 1.
4）Stope filling
After a stope in stope completes ore removal, afterwards filling operation is carried out to exploiting field barnyard, adopted as early as possible for adjacent stope
Quasi- operation provides guarantee.
Described open stope afterwards filling be from upper two mining the stages moat ditch undercut lane 7 hang outsourcing filter cloth plastics ripple
Line tapping pipe, filling sluicing barricade close the goaf is constructed in ore removal crosscut 5, is built again before each barricade of ore removal crosscut 5
Build the high sedimentation basins of 500mm~600mm；Filling slurry is sent into by undercut lane 7, slot raise 8 of the moat ditch in upper two mining stages
The stope in this mining stage, fill 4 ~ 6 times, wherein top tight filling 1 ~ 3 time.
Stope filling is divided into two kinds of filling methods.
Filling method one：Filling slurry by upper two mining the stages moat ditch undercut lane 7, slot raise 8 enter this mining
The stope in stage, bottom 5m ~ 7m is thick and thick two layers of top 1m ~ 2m is, it is necessary to fill the height that set strength is 6MPa ~ 10MPa proportionings
Intensity cemented filling material 10, remaining middle 41m ~ 44m thickness position filling set strength are the low-intensity filling of 2MPa ~ 4MPa proportionings
Material 11.
The vertical casting resin in goaf of filling method two is distributed as：Bottom 5m ~ 7m is thick and 1m ~ 2m thick two layers of needs in top fill
Fill out the high intensity cemented filling material 10 that set strength is 6MPa ~ 10MPa proportionings, remaining middle 41m ~ 44m thickness position tailings
12。
5）Ore pillar reclaims
Institute's pillar 15 between the panel of mine, it is preceding to the end of later stage mining to use overhand cut and fill stoping centralized recovery.
When bulk of the extracted ore 13 more than 900mm, movable Crushing is matched somebody with somebody using underground hydraulic pressure rubble chassis in stope
Hammer carries out second-time breakage.
Fig. 4 gives mining sequence schematic diagram of the present invention.As can be seen from Figure 4 the not mutual shadow of adjacent disc section back production
Ring, during Panel stoping to adjacent panel stope, filled maintenance terminates the adjacent stope in adjacent panel, along orebody trend direction
Curtain wall is not set between panel；The stope surrounding of operation in panel is stable protolith or obturation；It can effectively safeguard and adopt
Field lateral wall and top plate, reduction lateral wall and top plate move and prevented a large amount of inbreaks；Earth's surface construction of structures is protected, is efficiently controlled
Surface subsidence.
Claims (6)
1. pole big thick ore body stage open stope afterwards filling mining methods under a kind of strong ground pressure ring border, it is characterised in that stope horizontal plane
Stope lateral wall exposed area is controlled using square arrangement, comprised the following steps：
1）Panel is arranged
Panel is divided along orebody trend, each panel is made up of multiple stopes, left perpendicular to orebody trend direction panel both sides
Ore pillar, an ore pillar is interior to be provided with return airway, air intake lane and mine chute is provided with an ore pillar, along orebody trend steering wheel section
Do not set curtain wall；
2）Adopt quasi- cutting
In each mining phase, filling level is respectively equipped with from top to bottom, rock drilling is horizontal and ore removal level, three horizontal engineerings are mutual
Mutually utilize, described ore removal level is to arrange ore removal connection roadway in stope both sides, and stope intermediate arrangement moat ditch undercuts lane, ore removal connection
Network lane and moat ditch undercut and connected by ore removal crosscut between lane；Described rock drilling is horizontal, is that the horizontal moat ditch of ore removal undercuts lane
As rock drilling lane；Described filling level, it is to also serve as filling lane by the horizontal moat ditch of the ore removal lane that undercuts, i.e. stowboard utilizes
The moat ditch in upper two mining stages is undercuted lane, and drilling drift is undercuted lane using the moat ditch in upper one mining stage, along orebody trend side
It is a separate ventilation system to two panels arranged side by side, two panels use both sides air intake, the draft type of middle return air,
Stope intermediate arrangement slot raise 8；
3）Back production
Stope continuous stoping in panel, each stope is bottom-up to be exploited one by one, and by the way of being exploited using interval, slitting band is by panel
The order back production of one lateral opposite side, a stope mining, three stopes adopt quasi- cutting, and back production carries out filling work after terminating
Industry, back production rock drilling be in the horizontal rock drilling lane of rock drilling i.e. the horizontal moat ditch of ore removal undercut lane dug using downhole rock drill under to sector
Deep hole, upper centripetal deep hole being dug using top hammer formula hydraulic gate, explosion is using segmentation short-delay blasting, the ore that explosion is got off, by
Scraper is transported to mine chute by ore removal crosscut, ore removal connection roadway, then is transported to stage transportation roadway through mine chute；
4）Stope filling
After a stope in stope completes ore removal, to stope open stope afterwards filling；
5）Ore pillar reclaims
Institute's pillar between the panel of mine, it is preceding to the end of later stage mining to use overhand cut and fill stoping centralized recovery.
2. big thick ore body stage open stope afterwards filling mining methods in pole under pressure ring border in strong ground according to claim 1, it is special
Sign is the described long 215m in each panel, wide 150m, high 50m；Each panel is made up of 25 stopes, the long 30m of each stope,
Wide 30m, high 50m；Ore pillar is left in described panel both sides, and side is 30m ore pillars, and opposite side is 35m ore pillars.
3. big thick ore body stage open stope afterwards filling mining methods in pole under pressure ring border in strong ground according to claim 1, it is special
Sign is top hammer formula hydraulic gate using the top hammer formulas of Simba 1354 mining drill jumbo, aperture Φ 76mm, described down-the-hole
Rock drill uses Simba M6-ITH down-the-hole drilling chassis, aperture Φ 114mm.
4. big thick ore body stage open stope afterwards filling mining methods in pole under pressure ring border in strong ground according to claim 1, it is special
Sign be when extracted ore be more than 900mm bulk, in stope using underground hydraulic pressure rubble chassis with movable Crushing hammer into shape into
Row second-time breakage.
5. big thick ore body stage open stope afterwards filling mining methods in pole under pressure ring border in strong ground according to claim 1, it is special
Sign is that described stope filling is sluiced from the undercut plastic ripple of lane hanging outsourcing filter cloth of the moat ditch in upper two mining stages
Pipe, filling sluicing barricade close the goaf is constructed in ore removal crosscut, built by laying bricks or stones again before each barricade of ore removal crosscut 500mm~
Sedimentation basin high 600mm；Filling slurry is sent into this mining stage by undercut lane, slot raise of the moat ditch in upper two mining stages
Stope, fill 4 ~ 6 times, wherein top tight filling 1 ~ 3 time.
6. big thick ore body stage open stope afterwards filling mining methods in pole under pressure ring border in strong ground according to claim 1, it is special
Sign is that described stope filling is that the vertical casting resin in goaf is distributed as：Bottom 5m ~ 7m thickness and thick two layers of the needs of top 1m ~ 2m
Fill the high intensity cemented filling material that set strength is 6MPa ~ 10MPa proportionings, remaining middle 41m ~ 44m thickness position filling solidification
Intensity is the low-intensity cemented filling material or tailings of 2MPa ~ 4MPa proportionings.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711155800.0A CN107893658B (en) | 2017-11-20 | 2017-11-20 | Big thick ore body stage open stope afterwards filling mining methods in pole under strong ground pressure ring border |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711155800.0A CN107893658B (en) | 2017-11-20 | 2017-11-20 | Big thick ore body stage open stope afterwards filling mining methods in pole under strong ground pressure ring border |
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| Publication Number | Publication Date |
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| CN107893658A true CN107893658A (en) | 2018-04-10 |
| CN107893658B CN107893658B (en) | 2019-02-12 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109025996A (en) * | 2018-07-24 | 2018-12-18 | 周伟永 | A kind of underground mine successively squeezes, photoface exploision mining methods |
| CN110259449A (en) * | 2019-07-16 | 2019-09-20 | 太原理工大学 | A kind of super high seam strip-type filling mining method for relying on telescoping steel form |
| CN110656939A (en) * | 2019-09-12 | 2020-01-07 | 北京科技大学 | Large-stage efficient mining method for steeply inclined medium-thickness ore body meeting water argillization surrounding rock |
| CN111119894A (en) * | 2019-12-02 | 2020-05-08 | 南华大学 | Downward access filling mining method |
| CN111650119A (en) * | 2020-05-09 | 2020-09-11 | 北京科技大学 | Simple device for determining multiple filling interval time of stope and using method thereof |
| CN111749697A (en) * | 2020-07-03 | 2020-10-09 | 矿冶科技集团有限公司 | Stope mining-preparation engineering linking method |
| CN112031770A (en) * | 2020-09-11 | 2020-12-04 | 中钢集团马鞍山矿山研究总院股份有限公司 | Novel mining method suitable for multi-stope synchronous mining of thick and large ore body |
| CN113389550A (en) * | 2021-07-14 | 2021-09-14 | 武汉理工大学 | Multi-mining-area cluster mining continuous process |
| CN113530547A (en) * | 2021-07-29 | 2021-10-22 | 东北大学 | Mining method for partitioned open stope subsequent filling dead zone |
| CN113863929A (en) * | 2021-07-15 | 2021-12-31 | 中国恩菲工程技术有限公司 | Upward layered pressure relief layered filling mining method in high ground stress environment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109025996B (en) * | 2018-07-24 | 2019-12-10 | 周伟永 | Underground mine layer-by-layer extrusion and smooth blasting mining method |
| CN109025996A (en) * | 2018-07-24 | 2018-12-18 | 周伟永 | A kind of underground mine successively squeezes, photoface exploision mining methods |
| CN110259449A (en) * | 2019-07-16 | 2019-09-20 | 太原理工大学 | A kind of super high seam strip-type filling mining method for relying on telescoping steel form |
| CN110656939A (en) * | 2019-09-12 | 2020-01-07 | 北京科技大学 | Large-stage efficient mining method for steeply inclined medium-thickness ore body meeting water argillization surrounding rock |
| CN111119894B (en) * | 2019-12-02 | 2021-07-13 | 南华大学 | Downward access filling mining method |
| CN111119894A (en) * | 2019-12-02 | 2020-05-08 | 南华大学 | Downward access filling mining method |
| CN111650119A (en) * | 2020-05-09 | 2020-09-11 | 北京科技大学 | Simple device for determining multiple filling interval time of stope and using method thereof |
| CN111749697A (en) * | 2020-07-03 | 2020-10-09 | 矿冶科技集团有限公司 | Stope mining-preparation engineering linking method |
| CN111749697B (en) * | 2020-07-03 | 2022-02-11 | 矿冶科技集团有限公司 | Stope mining-preparation engineering linking method |
| CN112031770A (en) * | 2020-09-11 | 2020-12-04 | 中钢集团马鞍山矿山研究总院股份有限公司 | Novel mining method suitable for multi-stope synchronous mining of thick and large ore body |
| CN113389550A (en) * | 2021-07-14 | 2021-09-14 | 武汉理工大学 | Multi-mining-area cluster mining continuous process |
| CN113863929A (en) * | 2021-07-15 | 2021-12-31 | 中国恩菲工程技术有限公司 | Upward layered pressure relief layered filling mining method in high ground stress environment |
| CN113530547A (en) * | 2021-07-29 | 2021-10-22 | 东北大学 | Mining method for partitioned open stope subsequent filling dead zone |
| CN113530547B (en) * | 2021-07-29 | 2022-06-24 | 东北大学 | Mining method for partitioned open stope subsequent filling dead zone |
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