CN103696803A - Be used for mine underground tailings cemented filling barricade device - Google Patents

Be used for mine underground tailings cemented filling barricade device Download PDF

Info

Publication number
CN103696803A
CN103696803A CN201310649829.XA CN201310649829A CN103696803A CN 103696803 A CN103696803 A CN 103696803A CN 201310649829 A CN201310649829 A CN 201310649829A CN 103696803 A CN103696803 A CN 103696803A
Authority
CN
China
Prior art keywords
wall
stope
net cage
gabion net
barricade
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201310649829.XA
Other languages
Chinese (zh)
Other versions
CN103696803B (en
Inventor
雷明礼
柴衡山
严文炳
郭生茂
焦满岱
刘涛
孟慧媚
刘财林
高志荣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Northwest Research Institute of Mining and Metallurgy
Original Assignee
Northwest Research Institute of Mining and Metallurgy
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Northwest Research Institute of Mining and Metallurgy filed Critical Northwest Research Institute of Mining and Metallurgy
Priority to CN201310649829.XA priority Critical patent/CN103696803B/en
Publication of CN103696803A publication Critical patent/CN103696803A/en
Application granted granted Critical
Publication of CN103696803B publication Critical patent/CN103696803B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Revetment (AREA)
  • Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)

Abstract

A retaining wall device for cementing and filling mine underground tailings comprises a roadway, a wall body and a plurality of dewatering pipes; the wall body divides the roadway into a stope and an external stope; the wall body comprises filter cloth, a plurality of layers of gabion net cages arranged according to an upper layer and a lower layer and a plurality of retaining wall crossbars; the gabion net cage is filled with mining waste stones, a concrete foundation is arranged below the lower gabion net cage, a plurality of dewatering pipes are arranged in the concrete foundation, water outlet ports of the dewatering pipes are positioned outside a stope, water inlet ports of the dewatering pipes are positioned in the stope, and filter cloth is laid on the outer surfaces of a plurality of layers of gabion net cages positioned in the stope; and the retaining wall crossbars are fixedly arranged outside a plurality of layers of gabion cages outside the stope according to the arrangement of an upper layer and a lower layer, and the two sides of the wall body, the top of the wall body and the wall of the roadway are sealed by concrete layer plugging. The invention has the characteristics of good wall body stress performance, good slurry blocking effect, good water filtering effect, high erection speed, simple construction, simple and convenient construction, low cost and the like; the dewatering capacity of the concrete sealing wall in the initial filling stage is 7-10 times of that of the concrete sealing wall.

Description

A kind of for mine down-hole tailing cemented filling barricade device
Technical field
The invention belongs to barnyard filling technique field, mine down-hole goaf, relate in particular to a kind of for mine down-hole tailing cemented filling barricade device.
Background technology
Filling method can be applicable to various orebody occurrence complicated and changeable, improves to greatest extent ore recovery ratio and reduces mining dilution, effective control ground pressure activity and guarantee the production safety of digging up mine, and protection earth's surface does not go to pot and maintains existing ecological environment simultaneously.Day by day exhausted along with earth's surface superficial part mineral resources, the mining degree of depth constantly increases, and filling method shared ratio regular meeting in mining is increasing.
In mine down-hole mining with stowing operation, it is an important process that must complete before goaf filling that isolation barricade is set.The effect of constructing filling counterfort mainly contains following two aspects: be first airtight buffer action, whole filling stope and extraneous all tunnels are separated, to prevent the excessive subsurface environment that affects of casting resin; Next is water filtering function, and barricade drainage effect quality, directly has influence on the quality of obturation, all many-sides such as circulation timei of the safety of stoping operation, back production.
Present stage, most domestic mine all adopts engineering analog method and empirical formula computing method to construct barricade, and the form of barricade generally adopts wooden barricade, concrete guard wall, brick barricade and reinforcing bar flexible retaining wall.Wooden barricade intensity is less, easily collapses, and causes that mortar runs off.The cost of concrete guard wall is high, and curing period is long.The freight volume of brick barricade is large, and labour intensity is high.The construction technology of reinforcing bar flexible retaining wall is complicated, and difficult quality guarantee.These factors have greatly affected the speed of constructing and the quality of above kind barricade, and its application is restricted.
Summary of the invention
Object of the present invention is just to provide a kind ofly constructs simply, and stress performance is good, safe, block pulp and initial stage water permeable ability good for mine down-hole tailing cemented filling barricade device.
In order to realize described object, the technical solution used in the present invention is: a kind ofly for mine down-hole tailing cemented filling barricade device, comprise tunnel, body of wall, it is characterized in that: also comprise several dehydrating tubes; Body of wall by tunnel be separated in stope, outside stope; Body of wall comprises filter cloth, according to several layers of gabion net cage and several barricade beams of levels spread configuration; The in-built full digging barren rock of gabion net cage, below lower floor's gabion net cage, be provided with concrete foundation, several dehydrating tubes are set in concrete foundation, and the water outlet port of dehydrating tube is positioned at outside stope, water inlet port is positioned at stope, and filter cloth is laid in the external surface of several layers of gabion net cage that are positioned at stope; Several barricade beams are arranged several layers of gabion net cage outside that are installed in outside stope according to levels, between body of wall both sides and body of wall top and wall, by layer of concrete shutoff, seal.
The left and right sides, tunnel is provided with beam wall nest, and beam two ends are arranged in beam wall nest.
The metal tank wall of the hexagon mesh that gabion net cage is woven by metal wire rod is made, and gabion cage size is length * wide * height=L * 1m * 1m; Wherein L is span length, L<4m.
Filter cloth is geotextiles, and barricade beam is the needle timber that diameter is greater than 200mm, and at stope filling, recuperating can be by beam recycling after protecting end.
The invention provides the filling counterfort device using while barnyard being carried out to high concentration, high-quality filling slurry filling in a kind of goaf.The present invention not only guaranteed the seal of filling stope but also guaranteed globality and the intensity of obturation, and have mechanical property of wall good, block pulp is effective, and drainage is effective, and the speed of setting up is fast, construct simple, easy construction, the feature such as cost is low-cost low; The Ke Jia of Yi Ge work team bis-road barricades, obturation can conveniently be removed barricade beam after supporting oneself it is utilized again.Filling counterfort device filling initial stage water separation capability of the present invention is 7~10 times of concrete enclosing wall, eliminated existing concrete enclosing wall etc. because dewatering speed is slow, cause artificial sill pillar strength of filling mass to decline, directly affect the defects such as back production progress of ore pillar and lower stage casing mineral building.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention,
Fig. 2 is the schematic diagram that is related to of Fig. 1 and body of wall.
In figure: 1-body of wall, 2-filter cloth, 3-gabion net cage, 301-bottom gabion net cage, 302-upper strata gabion net cage, 4-barricade beam, 5-layer of concrete, 6-concrete foundation, outside 7-stope, in 8-stope, 9-dehydrating tube.
The specific embodiment
As shown in Figure 1: a kind ofly for mine down-hole tailing cemented filling barricade device, comprise tunnel, body of wall 1, also comprise that shown in three to five dehydrating tube 9(Fig. 1 be three); Body of wall 1 by tunnel be separated in stope 8, stope outer 7; Body of wall 1 comprises filter cloth 2, according to several layers of gabion net cage of levels spread configuration 3 and several barricade beams 4; In gabion net cage 3, fill digging barren rock, digging barren rock particle diameter is 100~200mm; Lower floor's gabion net cage 3 is provided with concrete foundation 6 below, interior several dehydrating tubes 9 that arranges of concrete foundation 6, and the water outlet port of dehydrating tube 9 is positioned at that stope is outer 7, water inlet port is positioned at stope 8, and filter cloth 2 is laid in the external surface of several layers of gabion net cage 3 that are positioned at stope 8; Several barricade beams 4 are arranged several layers of gabion net cage 3 outside that are installed in stope outer 7 according to levels, between body of wall both sides and body of wall top and wall, by layer of concrete 5 shutoff, seal.Layer of concrete 5 is the rapid setting cement mortar of spraying, and shotcrete thickness is generally 50~100mm.Between gabion net cage 3, with wire, bundle fixing.
The left and right sides, tunnel is provided with beam wall nest, and barricade beam 4 two ends are arranged in beam wall nest.Barricade beam 4 is as the lateral support of gabion net cage 3.Article three to five, dehydrating tube carries out dehydration in stope, and the concrete foundation 6 of barricade gives dehydrating tube with fixing.
The metal tank wall of the hexagon mesh that gabion net cage 3 is woven by metal wire rod is made, and gabion cage size is length * wide * height=L * 1m * 1m; Wherein L is span length, L<4m.Hexagon mesh specification is 60mm * 80mm.
Barricade beam 4 is greater than the needle timber of 200mm for diameter, and at stope filling, recuperating can be by beam recycling after protecting end.Filter cloth 2 is geotextiles, and filter cloth 2 lower ends are laid between concrete foundation and bottom gabion net cage 301, filter cloth 2 upper ends be laid in upper strata gabion net cage 302 below.The external surface that is positioned at stope outside, upper strata gabion net cage 302 is coated with the rapid setting cement screed that 50~100mm is thick.
Construction sequence of the present invention is roughly as follows:
A, in both sides, tunnel that will walling, cut a hole beam wall nest, after having built by laying bricks or stones in order to barricade, installed barricade beam 4.
B, the wall base is cleaned out, used C 15concrete mortar is built wide 1000mm by laying bricks or stones, the basis of high 200mm, and dehydrating tube 9 is arranged on respectively in concrete foundation 6, dehydrating tube fix and wall base maintenance 12h after can carry out later engineering.
C, in concrete foundation, build that gabion net cage 3 is front to be embedded in preprepared filter cloth 2 bottoms in concrete foundation by laying bricks or stones, and then thereon by staggered the building by laying bricks or stones of the upper and lower layer of the gabion net cage that digging barren rock is housed.
D, when gabion net cage wall height is higher, after can empty gabion net cage being erected on barricade in advance, by wire, be fixed, then the digging barren rock that is 100~200mm by particle diameter is poured in case and is flattened, then case lid is installed, and casing thereafter all can according to said method be constructed, when gabion net cage wall height is during apart from tunnel top≤1000mm, by filter cloth from the inner layback of stope to stope outside, gabion net cage is installed thereafter on the filter cloth of paving again, after being located on barricade, the empty gabion box tank tower of making according to roadway shape is fixed by wire, then the digging barren rock that is 100~200mm by particle diameter is poured in case and is flattened, again case lid is installed, when the gabion net cage of the superiors is constructed extremely apart from tunnel top≤200mm, directly barren rock is piled up to top, tunnel, then at gabion net cage appearance and the thick rapid setting cement mortar of top barren rock surface spray 50~100mm paved more than filter cloth, form layer of concrete 5.
The space at E, gabion net cage and top, tunnel adopts C 25concrete is by its shutoff, in case slurry is revealed.
F, barricade body and tunnel-surrounding intersection spraying rapid setting cement mortar form layer of concrete 5, and shotcrete thickness is generally 50~100mm, in case backstop wall periphery space spillage also plays fixedly nylon filtering cloth 2 simultaneously.
After G, building wall complete, ready beam is arranged in the hitch that Drilling is good in advance.
After upper order work completes, after finishing, concrete curing to be sprayed can carry out the filling in stope; After complete one month of whole stope filling, barricade beam material used can recycling.

Claims (6)

1. for a mine down-hole tailing cemented filling barricade device, comprise tunnel, body of wall, it is characterized in that: also comprise several dehydrating tubes (9); Body of wall 1 is separated into (8) in stope, stope outer (7) by tunnel; Body of wall (1) comprises filter cloth (2), according to the several layers of gabion net cage (3) of levels spread configuration and several barricade beams (4); Gabion net cage is filled digging barren rock in (1), lower floor's gabion net cage (3) is provided with concrete foundation (6) below, several dehydrating tubes (9) are set in concrete foundation (6), the water outlet port of dehydrating tube (9) is positioned at stope outer (7), water inlet port is positioned at stope (8), and filter cloth (2) is laid in the external surface of the several layers of gabion net cage (3) that are positioned at stope (8); Several barricade beams (4) are arranged several layers of gabion net cage (3) outside that is installed in stope outer (7) according to levels, between body of wall both sides and body of wall top and wall, by layer of concrete (5) shutoff, seal.
2. a kind of for mine down-hole tailing cemented filling barricade device according to described in claim 1, is characterized in that: the left and right sides, tunnel is provided with beam wall nest, and barricade beam (4) two ends are arranged in beam wall nest.
3. a kind of for mine down-hole tailing cemented filling barricade device according to described in claim 2, it is characterized in that: filter cloth (2) is geotextiles, filter cloth (2) lower end is laid between concrete foundation and bottom gabion net cage (301), filter cloth (2) upper end be laid in upper strata gabion net cage (302) below.
4. a kind of for mine down-hole tailing cemented filling barricade device according to described in claim 1,2 or 3, it is characterized in that: the metal tank wall of the hexagon mesh that gabion net cage (3) is woven by metal wire rod is made, gabion net cage (3) specification is length * wide * height=L * 1m * 1m; Wherein L is span length, L<4m.
5. a kind of for mine down-hole tailing cemented filling barricade device according to described in claim 4, is characterized in that: hexagon mesh specification is 60mm * 80mm; Layer of concrete (5) is the rapid setting cement mortar of spraying, and shotcrete thickness is 50~100mm.
6. a kind of for mine down-hole tailing cemented filling barricade device according to described in claim 5, is characterized in that: barricade beam (4) is greater than the needle timber of 200mm for diameter.
CN201310649829.XA 2013-12-06 2013-12-06 Be used for mine underground tailings cemented filling barricade device Active CN103696803B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310649829.XA CN103696803B (en) 2013-12-06 2013-12-06 Be used for mine underground tailings cemented filling barricade device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310649829.XA CN103696803B (en) 2013-12-06 2013-12-06 Be used for mine underground tailings cemented filling barricade device

Publications (2)

Publication Number Publication Date
CN103696803A true CN103696803A (en) 2014-04-02
CN103696803B CN103696803B (en) 2016-04-27

Family

ID=50358448

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310649829.XA Active CN103696803B (en) 2013-12-06 2013-12-06 Be used for mine underground tailings cemented filling barricade device

Country Status (1)

Country Link
CN (1) CN103696803B (en)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104405441A (en) * 2014-11-18 2015-03-11 武汉钢铁(集团)公司 Detachable filling and retaining wall
CN105840234A (en) * 2016-04-27 2016-08-10 太原理工大学 Stack column type filling formwork and using method thereof
CN106437839A (en) * 2016-11-24 2017-02-22 贵州开磷集团股份有限公司 Water-permeable brick for mine down-hole filling retaining wall and laying method of water-permeable brick
CN106545361A (en) * 2016-11-24 2017-03-29 贵州开磷集团股份有限公司 A kind of mine down-hole high permeability filling counterfort and its construction method
CN106870001A (en) * 2017-02-21 2017-06-20 长沙矿山研究院有限责任公司 Tunnel is layered pocket type self-support filling counterfort construction method
CN107165671A (en) * 2017-07-13 2017-09-15 长春黄金研究院 A kind of tailing-filled overall height dehydration barricade
CN107178391A (en) * 2017-06-14 2017-09-19 江西理工大学 A kind of construction method of armored concrete fire dam and application
CN107448232A (en) * 2017-08-18 2017-12-08 西北矿冶研究院 Retaining wall device for open-field subsequent cemented filling
CN108397196A (en) * 2018-01-16 2018-08-14 中蓝长化工程科技有限公司 A kind of gently inclined orebody open air trestle mining methods based on lattice guest's artificial ore pillar
CN108590751A (en) * 2018-06-26 2018-09-28 中南大学 A kind of mine down-hole tailings water in-situ treatment method and permeable reaction filling counterfort
CN108952804A (en) * 2018-08-08 2018-12-07 长沙矿山研究院有限责任公司 For blocking the tailing-filled barricade and construction method of dead zone mining tunnel to be filled
CN108979711A (en) * 2018-07-16 2018-12-11 福州大学 The tailing-filled dehydration enclosing wall of one kind and its construction method
CN109505650A (en) * 2018-11-20 2019-03-22 贵州大学 A kind of filling-up hydraulically barricade of easy cleaning
CN110905594A (en) * 2019-12-13 2020-03-24 临沂会宝岭铁矿有限公司 Method for filling goaf of chamber

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1134648B (en) * 1957-07-23 1962-08-16 Hoelter H Offset mat
DE2851389A1 (en) * 1978-11-28 1980-06-04 Ferroplast Gmbh Shutter for granular cementing material delivered pneumatically - is woven jute container filling cavity capable of retaining dust
CN201554493U (en) * 2009-07-31 2010-08-18 中冶集团华冶资源开发有限责任公司 Quick water-retaining wall in mine
CN202065007U (en) * 2011-04-15 2011-12-07 中南大学 Rapid dehydration system of afterwards filling slurries for underground metal mine stope
CN103306724A (en) * 2013-06-25 2013-09-18 中国矿业大学(北京) Convex cage-shaped closed gob energy-absorbing structure and construction method thereof
CN103397907A (en) * 2013-08-19 2013-11-20 山东黄金矿业(莱州)有限公司三山岛金矿 Water drainage wall adopting brick structure and used in cut-and-fill stoping method
CN103397906A (en) * 2013-08-05 2013-11-20 北京科技大学 Grouting type filling retaining wall, construction method of grouting type filling retaining wall and goaf filling system and method
CN203308509U (en) * 2013-06-22 2013-11-27 山东黄金矿业(玲珑)有限公司 Grid steel frame type filling siding wall

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1134648B (en) * 1957-07-23 1962-08-16 Hoelter H Offset mat
DE2851389A1 (en) * 1978-11-28 1980-06-04 Ferroplast Gmbh Shutter for granular cementing material delivered pneumatically - is woven jute container filling cavity capable of retaining dust
CN201554493U (en) * 2009-07-31 2010-08-18 中冶集团华冶资源开发有限责任公司 Quick water-retaining wall in mine
CN202065007U (en) * 2011-04-15 2011-12-07 中南大学 Rapid dehydration system of afterwards filling slurries for underground metal mine stope
CN203308509U (en) * 2013-06-22 2013-11-27 山东黄金矿业(玲珑)有限公司 Grid steel frame type filling siding wall
CN103306724A (en) * 2013-06-25 2013-09-18 中国矿业大学(北京) Convex cage-shaped closed gob energy-absorbing structure and construction method thereof
CN103397906A (en) * 2013-08-05 2013-11-20 北京科技大学 Grouting type filling retaining wall, construction method of grouting type filling retaining wall and goaf filling system and method
CN103397907A (en) * 2013-08-19 2013-11-20 山东黄金矿业(莱州)有限公司三山岛金矿 Water drainage wall adopting brick structure and used in cut-and-fill stoping method

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104405441A (en) * 2014-11-18 2015-03-11 武汉钢铁(集团)公司 Detachable filling and retaining wall
CN105840234A (en) * 2016-04-27 2016-08-10 太原理工大学 Stack column type filling formwork and using method thereof
CN105840234B (en) * 2016-04-27 2017-12-05 太原理工大学 A kind of pile pillar filling template and its application method
CN106437839A (en) * 2016-11-24 2017-02-22 贵州开磷集团股份有限公司 Water-permeable brick for mine down-hole filling retaining wall and laying method of water-permeable brick
CN106545361A (en) * 2016-11-24 2017-03-29 贵州开磷集团股份有限公司 A kind of mine down-hole high permeability filling counterfort and its construction method
CN106870001B (en) * 2017-02-21 2019-05-21 长沙矿山研究院有限责任公司 Tunnel is layered pocket type self-support filling counterfort construction method
CN106870001A (en) * 2017-02-21 2017-06-20 长沙矿山研究院有限责任公司 Tunnel is layered pocket type self-support filling counterfort construction method
CN107178391A (en) * 2017-06-14 2017-09-19 江西理工大学 A kind of construction method of armored concrete fire dam and application
CN107165671A (en) * 2017-07-13 2017-09-15 长春黄金研究院 A kind of tailing-filled overall height dehydration barricade
CN107448232A (en) * 2017-08-18 2017-12-08 西北矿冶研究院 Retaining wall device for open-field subsequent cemented filling
CN108397196A (en) * 2018-01-16 2018-08-14 中蓝长化工程科技有限公司 A kind of gently inclined orebody open air trestle mining methods based on lattice guest's artificial ore pillar
CN108397196B (en) * 2018-01-16 2019-10-18 中蓝长化工程科技有限公司 A kind of gently inclined orebody open air trestle mining methods based on lattice guest's artificial ore pillar
CN108590751A (en) * 2018-06-26 2018-09-28 中南大学 A kind of mine down-hole tailings water in-situ treatment method and permeable reaction filling counterfort
CN108590751B (en) * 2018-06-26 2023-11-17 中南大学 Mine underground tailing water in-situ treatment method and permeable reaction filling retaining wall
CN108979711A (en) * 2018-07-16 2018-12-11 福州大学 The tailing-filled dehydration enclosing wall of one kind and its construction method
CN108979711B (en) * 2018-07-16 2019-09-13 福州大学 The tailing-filled dehydration enclosing wall of one kind and its construction method
CN108952804A (en) * 2018-08-08 2018-12-07 长沙矿山研究院有限责任公司 For blocking the tailing-filled barricade and construction method of dead zone mining tunnel to be filled
CN108952804B (en) * 2018-08-08 2023-08-18 长沙矿山研究院有限责任公司 Tailing filling retaining wall for blocking mining roadway of goaf to be filled and construction method
CN109505650A (en) * 2018-11-20 2019-03-22 贵州大学 A kind of filling-up hydraulically barricade of easy cleaning
CN109505650B (en) * 2018-11-20 2020-06-16 贵州大学 Hydraulic filling retaining wall convenient to clean
CN110905594A (en) * 2019-12-13 2020-03-24 临沂会宝岭铁矿有限公司 Method for filling goaf of chamber
CN110905594B (en) * 2019-12-13 2021-03-23 临沂会宝岭铁矿有限公司 Method for filling goaf of chamber

Also Published As

Publication number Publication date
CN103696803B (en) 2016-04-27

Similar Documents

Publication Publication Date Title
CN103696803B (en) Be used for mine underground tailings cemented filling barricade device
CN202431302U (en) Filling retaining wall device for high large-scale mining stope in roadway
CN104196537A (en) Construction method of three parallel metro tunnels with ultra-small clear distance
CN205013011U (en) Pyroclastic flow stratum tunnel advance support structure
CN104929666A (en) Top breaking gob-side entry retaining method for tender roofs
CN104533453A (en) Substep dynamic coupling support method for roadway fault fracture zone
CN104653198B (en) Method for filling and constructing foam concrete in coal mine soft rock largely-deformed roadway supporter
CN110195604B (en) Construction method for tunnel main tunnel TBM (tunnel boring machine) tunneling section
CN205314115U (en) High steep side slope combined supporting greening structure of highway
CN107575268A (en) One kind is made the return trip empty tunnel lightweight concrete building block wall observed pattern
CN113107489A (en) High-ground-pressure three-soft coal seam along-empty crossheading advanced grouting reinforcement method
CN112963156A (en) Composite reinforcing method and composite reinforcing structure for shallow tunnel in soil-rock composite stratum
CN110700860B (en) Construction method of soil-stone boundary tunnel crossing loess valley
CN206707726U (en) A kind of gob side entry retaining roadside support system
CN208201912U (en) A kind of rubble retaining wall ruggedized construction
CN104295315A (en) Low coal seam gob-side entry retaining method
CN108442953A (en) Using the coal mine roadway roof collapse area processing method of the radar exploration technique and grouted anchor bar
CN202673299U (en) Double-layer mold constructing composite lining supporting structure of weak surrounding rock tunnel
CN203334301U (en) Cave slope strengthening protection structure
Türkmen et al. Grouting a tunnel cave-in from the surface: a case study on Kurtkulağı irrigation tunnel, Turkey
CN110863856A (en) Road-entering type cemented filling plugging wall and construction method thereof
CN111594168B (en) Pseudo-goaf-layer supporting and sinking-limiting stoping method formed by matching rock waste with rock waste
CN102373955A (en) Steel wire rope cemented filling method used in open stope mining subsequent filling gob
CN104695454A (en) Steep slope reinforcement and protection device and paving method thereof
CN208330453U (en) A kind of underground Combined filling barricade

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant