CN102425421A - Novel water control method suitable for mine shafts - Google Patents

Novel water control method suitable for mine shafts Download PDF

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Publication number
CN102425421A
CN102425421A CN2011103500725A CN201110350072A CN102425421A CN 102425421 A CN102425421 A CN 102425421A CN 2011103500725 A CN2011103500725 A CN 2011103500725A CN 201110350072 A CN201110350072 A CN 201110350072A CN 102425421 A CN102425421 A CN 102425421A
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water
detours
mine
detouring
seat
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CN2011103500725A
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CN102425421B (en
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张春方
牛明远
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Lianyungang Design and Research Institute
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Lianyungang Design and Research Institute
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Abstract

The invention relates to a novel water control method suitable for mine shafts, which is characterized by firstly adopting grouting for water plugging at a water-bearing layer at the upper part of the shaft; arranging a wall seat at the boundary of the water-bearing layer and a water-resisting layer and arranging a bypass for water interception after the wall on the upper surface of the wall seat; arranging a dewatering orifice in the bypass and arranging a water guide pipe in the orifice, wherein the wall seat is wider than the bypass and the wide part of the wall seat is upwarped for water blocking; arranging a water collecting ring in the shaft at the upper part of an access road and draining water collected by the water collecting ring into the bypass after the wall, wherein a baseplate of the access road is 200-300mm higher than the bypass; and pre-burying a drainage pipe and enabling gushing water collected at the upper part of the bypass to self-flow into a water sump and be further drained to the ground through a drainage device. By adopting the novel water control method, the construction conditions of the mine shaft can be improved, the construction quality can be improved and the progress can be accelerated; furthermore, water damages can be effectively prevented during the production period of a mine, the safety of the mine shaft is protected, the drainage cost is reduced and the service life of the mine shaft is prolonged.

Description

Be applicable to the novel anti-method of harnessing the river of vertical shaft for mine
Technical field
The present invention relates to a kind of anti-method of harnessing the river of mine, particularly a kind of novel anti-method of harnessing the river that is applicable to vertical shaft for mine.
Background technology
At present, the measure of China's mine water management mainly contains technical measures such as pre grouting from the surface, curtain-grouting, work plane filling and injecting slurry, freezing construction.These measures mainly are used in the construction period vertical shaft work progress, and to accelerating mine construction, improving workmanship has important meaning after the anti-measure of harnessing the river more than adopting; Occur leaking in the manufacturing process after but the vertical shaft construction is accomplished, influence the pit shaft safety, shorten mine service-life; Seeping water in addition, in a large number increases the draining difficulty greatly along outside entering underworkings or stope in the borehole wall, and particularly the exploitation to salt ease of solubility mineral deposit forms potential safety hazard.
Summary of the invention
Technical problem to be solved by this invention is the deficiency to prior art, propose a kind of reasonable in design, have waterproof, intercept water, the function of draining, effectively prevent the novel anti-method of harnessing the river that is applicable to vertical shaft for mine of the harm of pit shaft water burst.
Technical problem to be solved by this invention is to realize through following technical scheme.The present invention is a kind of novel anti-method of harnessing the river that is applicable to vertical shaft for mine, is characterized in:
(1) at first adopts grouting for water blocking in the upper wellbore aquifer;
(2) establish the wall seat in aquifer and water barrier intersection, intercept water with detouring after establishing wall above the wall seat, detour, wall seat and shaft construction become an integral body; The dewatering orifice is set in detouring, establishes aqueduct in the hole; The wall seat is wideer than detouring, and the part perk of wide place forms dash; The base plate gradient 1 ~ 3% that detours, minimum point are located at the channel position that connects in the pit shaft, and adopt the inorganic water-proof coating waterproof;
(3) in the pit shaft of connecting taxiway top, establish colector ring, in the water that colector ring is collected is discharged to and detours behind the wall;
(4) the connecting taxiway base plate ratio high 200 ~ 300mm that detours, and pre-buried gutter, the top water burst that compiles detouring flows automatically to sump and is discharged to ground through drainage plant.
In the novel anti-method and technology scheme of harnessing the river that is applicable to vertical shaft for mine of the present invention, optimized technical scheme or technical characterictic are:
1, in the step (1), when vertical shaft is constructed, grouting for water blocking is carried out in the aquifer according to the rock stratum situation that vertical shaft passes; During grouting for water blocking, utilize cement paste earlier, perhaps cement and water glass biliquid are starched, and perhaps cement, water glass and clay material carry out the filling wall-rock crack, and the shutoff EXIT POINT is isolated the water source; The glued simultaneously mine country rock of reinforcing increases wellbore stability.
2, in the step (2), stable water barrier is dropped on described wall seat basis, and the degree of depth of control embedding water barrier, makes it not penetrate water barrier; The borehole wall reserve connecting taxiway make detour with pit shaft in UNICOM; Wall seat, the borehole wall and the supporting of detouring form integral body, and the wall seat is as the base plate that detours, and the borehole wall is as the interior survey wall that detours; The wall seat width ratio wide 400-600mm that detours, and outside perk form infiltration that dash makes the outer wall that the detours constuction joint through the exterior wall that detours infiltrate detour in;
Described detouring adopts shape steel bracket and steel concrete combined supporting, every 0.4-0.6m that detours to establish in a steel bow member and the channel-section steel insertion borehole wall arrangement of reinforcement and the borehole wall arrangement of reinforcement welding of detouring; The channel-section steel model of machined steel bow member and the arrangement of reinforcement parameter that detours are confirmed according to concrete pressure from surrounding rock situation; The concrete segmentation of detouring is built, and top and side wall constuction joint are not taked waterproof measure, detours so that outside trickle infiltrates; The interior survey constuction joint of base plate and dash of detouring adopts sealing sheet or waterstop waterproof and is coated with the thick inorganic water-proof coating of one deck 2-3mm, and the water burst that compiles in preventing to detour continues infiltration downwards.
3, in the step (2), around the dewatering orifice in detouring was evenly arranged in and detours, hole depth was 1.5 ~ 2.0m; Be arranged as plurality of rows according to actual water burst situation, every arranged 2-4 weep hole; Put aqueduct in the dewatering orifice, aqueduct adopts the processing of diameter 45-55mm plastic-aluminum pipe, the worry water hole of opening φ 8-10mm around the pipe, and pitch of holes 90-110mm, two-layer geotextiles is wrapped up in the outside; The water percolating capacity periodic monitoring of aqueduct suitably increases the aqueduct quantity on every side that detours according to the big I of water percolating capacity, and infiltration contains quantity of sand and mud and continues to take the slip casting measure to strengthen water blockoff when big.
4, in the step (3), the equilateral polygon that described colector ring is become by the channel-section steel welding processing, a colector ring part embeds in the borehole wall, and the outstanding borehole wall of a part is received and is surveyed infiltration in the borehole wall; The gap of the colector ring and the borehole wall adopts cement mortar to irritate real, and below colector ring, establishes in infiltration introducing that aqueduct will collect detours.
5, in the step (4), the borehole wall of the collection of detouring the water burst inboard and outside flows automatically through gutter and is discharged to the sump of mine drainage system, finally is discharged to ground through water pump; Reserve connecting taxiway and adopt shape steel bracket and shaft lining to form integral body, protection pit shaft safety.
6, the present invention's anti-measure of harnessing the river of detouring can be used separately by a mine, also can many vertical shaft use simultaneously and be communicated with and in connecting taxiway, establish mechanical drainage plant through connecting taxiway.The water burst that many mines detour pools together and directly is discharged to ground through the drainage plant in the connecting taxiway.
After the big mine employing the inventive method construction of the more complicated water yield of hydrogeology, not only can improve the mine construction condition, improve construction quality and accelerate progress; And in the mine can effectively prevent water damage the period of producing, protection mine safety reduces the draining cost, prolongs mine service-life.The measures engineering of should anti-harnessing the river is specially adapted to the mine that salt is prone to dissolve deposit mining, solves the water damage problem in the mine production effectively.
Description of drawings
The plan view of Fig. 1 for detouring in the inventive method;
Fig. 2 implements sectional drawing for the inventive method.
The specific embodiment
Contrast accompanying drawing below, further describe concrete implementer's case of the present invention.The cited specific embodiment of the present invention just describes preferred technique embodiment of the present invention, and be not be confined to cited.
Embodiment 1, with reference to Fig. 1, and 2, a kind of novel anti-method of harnessing the river that is applicable to vertical shaft for mine,
(1) at first adopts grouting for water blocking in the upper wellbore aquifer;
(2) establish wall seat 6 in aquifer and water barrier intersection, intercept water with detouring 1 after establishing wall above the wall seat 6, detour 1, wall seat 6 and shaft construction become an integral body; Detouring is provided with the dewatering orifice in 1, establishes aqueduct 4 in the hole; Wall seat 6 is 1 wideer than detouring, and the part perk of wide place forms dash 5; The 1 base plate gradient 1 ~ 3% that detours, minimum point are located at the channel position that connects in the pit shaft, and adopt the inorganic water-proof coating waterproof;
(3) in connecting taxiway 2 top pit shafts, establish colector ring 7, the water that colector ring 7 is collected is discharged to and detours behind the wall in 1;
(4) the connecting taxiway 2 base plates ratio 1 high 200 ~ 300mm that detours, and pre-buried gutter 3 flows automatically to sump with the 1 top water burst that compiles that detours and is discharged to ground through drainage plant.
Embodiment 2, and embodiment 1 is described to be applicable in the step (1) of the novel anti-method of harnessing the river of vertical shaft for mine: when vertical shaft is constructed, according to the rock stratum situation that vertical shaft passes grouting for water blocking is carried out in the aquifer; During grouting for water blocking, utilize cement paste earlier, perhaps cement and water glass biliquid are starched, and perhaps cement, water glass and clay material carry out the filling wall-rock crack, and the shutoff EXIT POINT is isolated the water source; The glued simultaneously mine country rock of reinforcing increases wellbore stability.
Embodiment 3, and embodiment 1 is described to be applicable in the step (2) of the novel anti-method of harnessing the river of vertical shaft for mine: stable water barrier is dropped on described wall seat 6 bases, and control embeds the degree of depth of water barrier, make it not penetrate water barrier; The borehole wall reserve connecting taxiway 2 make detour 1 with pit shaft in UNICOM; Wall seat 6, the borehole wall and 1 supporting of detouring form integral body, and wall seat 6 is as detouring 1 base plate, and the borehole wall is as detouring 1 interior survey wall; The wall seat 6 width ratio 1 wide 400-600mm that detours, and form infiltration that dash 5 makes 1 outer wall that the detours constuction joint through 1 exterior wall that detours in outside perk and infiltrate and detour in 1;
Described 1 employing shape steel bracket and the steel concrete combined supporting that detour, the 1 every 0.4-0.6m that detours establishes a steel bow member and channel-section steel inserts in the borehole wall, 1 arrangement of reinforcement and the borehole wall arrangement of reinforcement welding of detouring; The channel-section steel model of machined steel bow member and the arrangement of reinforcement parameter that detours are confirmed according to concrete pressure from surrounding rock situation; 1 the concrete segmentation of detouring is built, and top and side wall constuction joint are not taked waterproof measure, detours 1 so that outside trickle infiltrates; The interior survey constuction joint of 1 base plate and dash of detouring adopts sealing sheet or waterstop waterproof and is coated with the thick inorganic water-proof coating of one deck 2-3mm, and the water burst that compiles in 1 that prevents to detour continues infiltration downwards.
Embodiment 4, and embodiment 1 is described to be applicable in the step (2) of the novel anti-method of harnessing the river of vertical shaft for mine: the dewatering orifice in 1 of detouring is evenly arranged in detours around 1, and hole depth is 1.5 ~ 2.0m; Be arranged as plurality of rows according to actual water burst situation, every arranged 2-4 weep hole; Put aqueduct 4 in the dewatering orifice, aqueduct 4 adopts the processing of diameter 45-55mm plastic-aluminum pipe, the worry water hole of opening φ 8-10mm around the pipe, and pitch of holes 90-110mm, two-layer geotextiles is wrapped up in the outside; The water percolating capacity periodic monitoring of aqueduct 4 suitably increases aqueduct 4 quantity around 1 that detour according to the big I of water percolating capacity, and infiltration contains quantity of sand and mud and continues to take the slip casting measure to strengthen water blockoff when big.
Embodiment 5; Embodiment 1 is described to be applicable in the step (3) of the novel anti-method of harnessing the river of vertical shaft for mine: the equilateral polygon that described colector ring 7 is become by the channel-section steel welding processing; Colector ring 7 parts embed in the borehole wall, and the outstanding borehole wall of a part is received and surveyed infiltration in the borehole wall; Colector ring 7 adopts cement mortar to irritate real with the gap of the borehole wall, and below colector ring 7, establishes infiltration introducing that aqueduct will collect and detour in 1.
Embodiment 6, and embodiment 1 is described to be applicable in the step (4) of the novel anti-method of harnessing the river of vertical shaft for mine: the 1 inboard water burst with the outside of the borehole wall collected that detours flows automatically through gutter 3 and is discharged to the sump of mine drainage system, finally is discharged to ground through water pump; Reserving connecting taxiway adopts shape steel bracket and shaft lining to form integral body.
Embodiment 7, with reference to Fig. 1-2, and a kind of novel anti-method experiment of harnessing the river that is applicable to vertical shaft for mine.
Certain carnallite sylvite ore is positioned at kalium-magnesium deposit district, everything Plain; The exploitation of mining design scale 650,000 t/a carnallites; Design developing mode is a vertical shaft, wherein the ore bed that passes of main shaft construction from last and go for: the Q topsoil fourth season, aleuritic texture mud stone, siltstone, gypsic horizon, contain shale halite layer, halite layer, carnallite layer (ore bed).
Engineering geology and hydrogeological situation analysis according to this ore deposit; Gypsic horizon is a water barrier; Topsoil, aleuritic texture mud stone and siltstone are the aquifer; Because of carnallite ore bed and rock salt top board have ease of solubility, for the steadiness of protecting ore body and top board prevents that the pit shaft infiltration from getting into stope and the mine is produced damaging, this novel anti-measure of harnessing the river is adopted in design.
At first more than gypsic horizon, adopt the grouting behind shaft or drift lining water blockoff, establish wall seat 6 and detour 1 at gypsic horizon and flour sand rock stratum intersection then, and establish colector ring 7 in the 1m place pit shaft on 1 detouring.Colector ring 7 adopts 12 22# channel-section steels to be welded into equilateral 12 limit shapes, and channel-section steel is partially submerged into the borehole wall.
The short mode of building of the short pick of 1 employing that detours is constructed steel bar concrete and shape steel bracket combined supporting.Steel bracket adopts the 10# channel-section steel to process, and reinforcing bar master muscle adopts diameter 16mm screw-thread steel, and the contact muscle adopts the Q235 steel of diameter 8mm, and steelframe connects the employing welding manner; Concrete strength C30, cement adopts the corrosion-resistant cement for construction in sea.Borehole wall 300mm must be goed deep into and will detour 1 arrangement of reinforcement and the welding of borehole wall arrangement of reinforcement in detour shape steel bracket and the basis of 1 supporting, makes detour 1 supporting and the borehole wall form integral body.The 1 wide 1.2m that detours, supporting thickness 300mm, wall seat 6 wide 1 ~ 1.9m.
Detouring is evenly distributed 8 row's aqueducts 4 in 1, and every row three follows, and length is 2000mm; Aqueduct 4 adopts the processing of diameter 50mm plastic-aluminum pipe, the worry water hole of opening φ 10mm around the pipe, and pitch of holes 100mm, two-layer geotextiles is wrapped up in the outside.The water percolating capacity periodic monitoring of aqueduct 4 suitably increases the aqueduct quantity on every side that detours according to the big I of water percolating capacity, and infiltration contains quantity of sand and mud and takes the slip casting measure when big.Detour and 1 establish 1% gradient, bottom and abutment wall carry out percolation-proof to be handled, and the coating water-proof layer thickness is not less than 2mm.Infiltration is pooled to the 1 interior steel pipe through the passage bottom of detouring that detours and flows automatically to-the 100m sump.

Claims (6)

1. novel anti-method of harnessing the river that is applicable to vertical shaft for mine is characterized in that:
(1) at first adopts grouting for water blocking in the upper wellbore aquifer;
(2) establish the wall seat in aquifer and water barrier intersection, intercept water with detouring after establishing wall above the wall seat, detour, wall seat and shaft construction become an integral body; The dewatering orifice is set in detouring, establishes aqueduct in the hole; The wall seat is wideer than detouring, and the part perk of wide place forms dash; The base plate gradient 1 ~ 3% that detours, minimum point are located at the channel position that connects in the pit shaft, and adopt the inorganic water-proof coating waterproof;
(3) in the pit shaft of connecting taxiway top, establish colector ring, in the water that colector ring is collected is discharged to and detours behind the wall;
(4) the connecting taxiway base plate ratio high 200 ~ 300mm that detours, and pre-buried gutter, the top water burst that compiles detouring flows automatically to sump and is discharged to ground through drainage plant.
2. the novel anti-method of harnessing the river that is applicable to vertical shaft for mine according to claim 1 is characterized in that: in the step (1), when vertical shaft is constructed ,Rock stratum situation according to vertical shaft passes is carried out grouting for water blocking to the aquifer; During grouting for water blocking, utilize cement paste earlier, perhaps cement and water glass biliquid are starched, and perhaps cement, water glass and clay material carry out the filling wall-rock crack, and the shutoff EXIT POINT is isolated the water source; The glued simultaneously mine country rock of reinforcing increases wellbore stability.
3. the novel anti-method of harnessing the river that is applicable to vertical shaft for mine according to claim 1, it is characterized in that: in the step (2), stable water barrier is dropped on described wall seat basis, and the degree of depth of control embedding water barrier, makes it not penetrate water barrier; The borehole wall reserve connecting taxiway make detour with pit shaft in UNICOM; Wall seat, the borehole wall and the supporting of detouring form integral body, and the wall seat is as the base plate that detours, and the borehole wall is as the interior survey wall that detours; The wall seat width ratio wide 400-600mm that detours, and outside perk form infiltration that dash makes the outer wall that the detours constuction joint through the exterior wall that detours infiltrate detour in;
Described detouring adopts shape steel bracket and steel concrete combined supporting, every 0.4-0.6m that detours to establish in a steel bow member and the channel-section steel insertion borehole wall arrangement of reinforcement and the borehole wall arrangement of reinforcement welding of detouring; The channel-section steel model of machined steel bow member and the arrangement of reinforcement parameter that detours are confirmed according to concrete pressure from surrounding rock situation; The concrete segmentation of detouring is built, and top and side wall constuction joint are not taked waterproof measure, detours so that outside trickle infiltrates; The interior survey constuction joint of base plate and dash of detouring adopts sealing sheet or waterstop waterproof and is coated with the thick inorganic water-proof coating of one deck 2-3mm, and the water burst that compiles in preventing to detour continues infiltration downwards.
4. the novel anti-method of harnessing the river that is applicable to vertical shaft for mine according to claim 1 is characterized in that: in the step (2), around the dewatering orifice in detouring was evenly arranged in and detours, hole depth was 1.5 ~ 2.0m; Be arranged as plurality of rows according to actual water burst situation, every arranged 2-4 weep hole; Put aqueduct in the dewatering orifice, aqueduct adopts the processing of diameter 45-55mm plastic-aluminum pipe, the worry water hole of opening φ 8-10mm around the pipe, and pitch of holes 90-110mm, two-layer geotextiles is wrapped up in the outside; The water percolating capacity periodic monitoring of aqueduct suitably increases the aqueduct quantity on every side that detours according to the big I of water percolating capacity, and infiltration contains quantity of sand and mud and continues to take the slip casting measure to strengthen water blockoff when big.
5. the novel anti-method of harnessing the river that is applicable to vertical shaft for mine according to claim 1; It is characterized in that: in the step (3); The equilateral polygon that described colector ring is become by the channel-section steel welding processing, a colector ring part embeds in the borehole wall, and the outstanding borehole wall of a part is received and is surveyed infiltration in the borehole wall; The gap of the colector ring and the borehole wall adopts cement mortar to irritate real, and below colector ring, establishes in infiltration introducing that aqueduct will collect detours.
6. the novel anti-method of harnessing the river that is applicable to vertical shaft for mine according to claim 1; It is characterized in that: in the step (4); The inboard water burst with the outside of the borehole wall collected of detouring flows automatically through gutter and is discharged to the sump of mine drainage system, finally is discharged to ground through water pump; Reserving connecting taxiway adopts shape steel bracket and shaft lining to form integral body.
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Cited By (11)

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Publication number Priority date Publication date Assignee Title
CN103061349A (en) * 2013-01-28 2013-04-24 浙江华东建设工程有限公司 Processing method for foundation pit piping
CN103696783A (en) * 2012-11-19 2014-04-02 云南省化工研究院 Mining roadway protection method for soluble solid potassic salt ore
CN103696775A (en) * 2013-12-20 2014-04-02 中煤第一建设有限公司 Large-stage-height multi-group water-containing layer segmented downward grouting method
CN103898873A (en) * 2014-03-25 2014-07-02 安徽水安建设集团股份有限公司 Water seepage plugging construction method of shaft construction seams under high water head
CN104265363A (en) * 2014-09-24 2015-01-07 四川省华蓥山煤业股份有限公司绿水洞煤矿 Underground roadway gushing point dewatering device
CN104533467A (en) * 2014-12-18 2015-04-22 淮北市平远软岩支护工程技术有限公司 High confined water and fault broken roadway supporting method
CN105443131A (en) * 2015-12-19 2016-03-30 湖南科技大学 Square vertical-shaft sectioned hidden water interception structure and construction method thereof
CN105545330A (en) * 2016-02-26 2016-05-04 河北钢铁集团矿业有限公司 Water prevention and control process in construction of metallurgical underground mining ore pass fragmenting system
CN106285777A (en) * 2016-10-28 2017-01-04 河北钢铁集团矿业有限公司 The method that flood mine mineral building discharges water in advance
CN108915689A (en) * 2018-07-09 2018-11-30 中南大学 A kind of water rich strata shaft excavation spy shutoff method
CN111677550A (en) * 2020-06-18 2020-09-18 陕西延长石油巴拉素煤业有限公司 Water prevention and control protection method for safe tunneling of rock roadway through water-rich coal seam section

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Cited By (17)

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Publication number Priority date Publication date Assignee Title
CN103696783A (en) * 2012-11-19 2014-04-02 云南省化工研究院 Mining roadway protection method for soluble solid potassic salt ore
CN103696783B (en) * 2012-11-19 2016-07-13 云南省化工研究院 A kind of method of soluble solids sylvite ore mining tunnel protective treatment
CN103061349A (en) * 2013-01-28 2013-04-24 浙江华东建设工程有限公司 Processing method for foundation pit piping
CN103696775B (en) * 2013-12-20 2016-02-24 中煤第五建设有限公司 The descending slip casting method of the high many group aquifer segmentations of large section
CN103696775A (en) * 2013-12-20 2014-04-02 中煤第一建设有限公司 Large-stage-height multi-group water-containing layer segmented downward grouting method
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CN103898873A (en) * 2014-03-25 2014-07-02 安徽水安建设集团股份有限公司 Water seepage plugging construction method of shaft construction seams under high water head
CN104265363A (en) * 2014-09-24 2015-01-07 四川省华蓥山煤业股份有限公司绿水洞煤矿 Underground roadway gushing point dewatering device
CN104533467A (en) * 2014-12-18 2015-04-22 淮北市平远软岩支护工程技术有限公司 High confined water and fault broken roadway supporting method
CN104533467B (en) * 2014-12-18 2016-08-24 淮北市平远软岩支护工程技术有限公司 A kind of high artesian, the method for protecting support in fault disruption zone tunnel
CN105443131B (en) * 2015-12-19 2017-09-05 湖南科技大学 Square vertical is segmented secretly intercept water structure and its construction method
CN105443131A (en) * 2015-12-19 2016-03-30 湖南科技大学 Square vertical-shaft sectioned hidden water interception structure and construction method thereof
CN105545330A (en) * 2016-02-26 2016-05-04 河北钢铁集团矿业有限公司 Water prevention and control process in construction of metallurgical underground mining ore pass fragmenting system
CN106285777A (en) * 2016-10-28 2017-01-04 河北钢铁集团矿业有限公司 The method that flood mine mineral building discharges water in advance
CN106285777B (en) * 2016-10-28 2018-05-08 河北钢铁集团矿业有限公司 The method that flood mine mineral building discharges water in advance
CN108915689A (en) * 2018-07-09 2018-11-30 中南大学 A kind of water rich strata shaft excavation spy shutoff method
CN111677550A (en) * 2020-06-18 2020-09-18 陕西延长石油巴拉素煤业有限公司 Water prevention and control protection method for safe tunneling of rock roadway through water-rich coal seam section

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