CN103696803B - Be used for mine underground tailings cemented filling barricade device - Google Patents
Be used for mine underground tailings cemented filling barricade device Download PDFInfo
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- CN103696803B CN103696803B CN201310649829.XA CN201310649829A CN103696803B CN 103696803 B CN103696803 B CN 103696803B CN 201310649829 A CN201310649829 A CN 201310649829A CN 103696803 B CN103696803 B CN 103696803B
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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
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, and improve ore recovery ratio to greatest extent and reduce mining dilution, effectively control Ground pressure activity and guarantee production safety of digging up mine, protection earth's surface does not go to pot and maintains existing ecological environment simultaneously.Along with the exhaustion day by day of earth's surface superficial part mineral resources, the mining degree of depth constantly increases, and the ratio regular meeting of filling method shared by mining is increasing.
In mine down-hole mining with stowing operation, arranging isolation barricade is an important process that must complete before goaf filling.The effect of constructing filling counterfort mainly contains following two aspects: be first airtight buffer action, and all tunnels of whole filling stope and the external world are separated, and to prevent, casting resin is excessive affects subsurface environment; Next is water filtering function, and barricade drainage effect quality, directly has influence on all many-sides such as the quality of obturation, the safety of stoping operation, the circulation timei of 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 mortar to run 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 greatly have impact on speed of constructing and the quality of above kind barricade, make it apply and are restricted.
Summary of the invention
Object of the present invention is just to provide one and constructs simply, and stress performance is good, and safety is high, 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 of for mine down-hole tailing cemented filling barricade device, comprises tunnel, body of wall, it is characterized in that: also comprise several dehydrating tubes; Tunnel is separated in stope, outside stope by body of wall; Body of wall comprises filter cloth, according to several layers of gabion net cage of levels spread configuration and several barricade beams; The in-built full digging barren rock of gabion net cage, concrete foundation is provided with below lower floor's gabion net cage, arrange several dehydrating tubes in concrete foundation, the water outlet port of dehydrating tube is positioned at that stope is outer, water inlet port is positioned at stope, and filter cloth is laid in the external surface of the several layers of gabion net cage being positioned at stope; Outside several barricade beams are installed in outside stope several layers of gabion net cage according to levels arrangement, body of wall both sides and being sealed by layer of concrete shutoff between body of wall top and wall.
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, stope filling recuperate protect end after can by beam recycling.
The invention provides the filling counterfort device used when high concentration, high-quality filling slurry filling being carried out to barnyard in a kind of goaf.The present invention both ensure that the seal of filling stope in turn ensure that globality and the intensity of obturation, and have mechanical property of wall good, block pulp is effective, and drainage is effective, and erection speed is fast, constructed simple, easy construction, the features such as cost low cost is low; A work team Ke Jia bis-road barricade, obturation conveniently can be removed barricade beam after supporting oneself and it again be utilized.Filling counterfort device filling initial stage water separation capability of the present invention is 7 ~ 10 times of concrete enclosing wall, eliminate existing concrete enclosing wall etc. due to dewatering speed slow, cause artificial sill pillar strength of filling mass to decline, directly affect the defects such as the 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 relation schematic diagram 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.
Detailed description of the invention
As shown in Figure 1: a kind of for mine down-hole tailing cemented filling barricade device, comprise tunnel, body of wall 1, also comprising shown in three to five dehydrating tube 9(Fig. 1 is three); Tunnel to be separated in stope 8 by body of wall 1, stope outer 7; Body of wall 1 comprises filter cloth 2, several layers of gabion net cage 3 and several barricade beams 4 according to levels spread configuration; Fill digging barren rock in gabion net cage 3, digging barren rock particle diameter is 100 ~ 200mm; Lower floor's gabion net cage 3 is below provided with concrete foundation 6, arranges several dehydrating tubes 9 in 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 the several layers of gabion net cage 3 being positioned at stope 8; Several barricade beams 4 are installed in outside several layers of gabion net cage 3 of stope outer 7 according to levels arrangement, body of wall both sides and being sealed by layer of concrete 5 shutoff between body of wall top and wall.Layer of concrete 5 is the rapid setting cement mortar of spraying, and shotcrete thickness is generally 50 ~ 100mm.Carry out binding with wire between gabion net cage 3 to fix.
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 dehydrating tube is given with fixing by the concrete foundation 6 of barricade.
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, stope filling recuperate protect end after can by beam recycling.Filter cloth 2 is geotextiles, and filter cloth 2 lower end is laid between concrete foundation and bottom gabion net cage 301, and filter cloth 2 upper end is laid in below upper strata gabion net cage 302.Be positioned at outside stope, the external surface of upper strata gabion net cage 302 is coated with the thick rapid setting cement screed of 50 ~ 100mm.
Construction sequence of the present invention is roughly as follows:
A, the both sides, tunnel of walling beam wall nest will have been cut a hole, after having built by laying bricks or stones in order to barricade, install barricade beam 4.
B, the wall base to be cleaned out, use C
15concrete mortar builds wide 1000mm by laying bricks or stones, the basis of high 200mm, and is arranged in concrete foundation 6 respectively by dehydrating tube 9, and dehydrating tube is fixed and can be carried out later engineering after wall base maintenance 12h.
C, in concrete foundation, build gabion net cage 3 by laying bricks or stones before preprepared filter cloth 2 bottom is embedded in concrete foundation, and then to build by laying bricks or stones staggered for the upper and lower layer of gabion net cage that digging barren rock is housed thereon.
D, when gabion net cage wall height is higher, empty gabion net cage can be erected at after on barricade in advance and be fixed by wire, then be that the digging barren rock of 100 ~ 200mm is poured in case and flattened by particle diameter, then installed by case lid, casing thereafter all can according to said method be constructed, as gabion net cage wall height distance tunnel top≤1000mm, filter cloth is pulled to outside stope from the inner side of stope, thereafter on the filter cloth paved, gabion net cage is installed again, the empty gabion box tank tower made according to roadway shape is located at after on barricade and is fixed by wire, then be that the digging barren rock of 100 ~ 200mm is poured in case and flattened by particle diameter, again case lid is installed, when the gabion net cage construction of the superiors is to distance tunnel top≤200mm, directly barren rock is piled up to top, tunnel, then at the rapid setting cement mortar that the gabion net cage appearance and top barren rock surface spray 50 ~ 100mm of paving more than filter cloth are thick, 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 forms layer of concrete 5, and shotcrete thickness is generally 50 ~ 100mm, in case backstop wall periphery space spillage, also plays fixing nylon filtering cloth 2 simultaneously.
Ready beam is arranged in the hitch that Drilling is good in advance after G, building wall complete.
After upper sequence work completes, the filling in stope after concrete curing to be sprayed terminates, can be carried out; Whole stope filling is after complete one month, and 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); Tunnel is separated into (8) in stope, stope outer (7) by body of wall (1); Body of wall (1) comprises filter cloth (2), several layers of gabion net cage (3) and several barricade beams (4) according to levels spread configuration; Gabion net cage fills digging barren rock in (3), bottom gabion net cage (301) 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) being positioned at stope (8); Several barricade beams (4) are installed in several layers of gabion net cages (3) outside of stope outer (7) according to levels arrangement, body of wall both sides and being sealed by layer of concrete (5) shutoff between body of wall top and wall.
2. one according to claim 1 is used for mine down-hole tailing cemented filling barricade device, and it is characterized in that: the left and right sides, tunnel is provided with beam wall nest, barricade beam (4) two ends are arranged in beam wall nest.
3. one according to claim 2 is used for mine down-hole tailing cemented filling barricade device, it is characterized in that: filter cloth (2) is geotextiles, filter cloth (2) lower end is laid between concrete foundation (6) and bottom gabion net cage (301), and filter cloth (2) upper end is laid in below upper strata gabion net cage (302).
4. the one according to claim 1,2 or 3 is used for mine down-hole tailing cemented filling barricade device, 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, and gabion net cage (3) specification is length × wide × height=L × 1m × 1m; Wherein L is span length, L<4m.
5. one according to claim 4 is used for mine down-hole tailing cemented filling barricade device, it 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. one according to claim 5 is used for mine down-hole tailing cemented filling barricade device, it is characterized in that: barricade beam (4) is greater than the needle timber of 200mm for diameter.
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| CN201310649829.XA CN103696803B (en) | 2013-12-06 | 2013-12-06 | Be used for mine underground tailings cemented filling barricade device |
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| CN201310649829.XA CN103696803B (en) | 2013-12-06 | 2013-12-06 | Be used for mine underground tailings cemented filling barricade device |
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| CN103696803A CN103696803A (en) | 2014-04-02 |
| CN103696803B true CN103696803B (en) | 2016-04-27 |
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Families Citing this family (14)
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|---|---|---|---|---|
| CN104405441B (en) * | 2014-11-18 | 2017-01-18 | 武汉钢铁(集团)公司 | Detachable filling and retaining wall |
| 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 |
| CN106545361B (en) * | 2016-11-24 | 2019-01-11 | 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 |
| CN106437839B (en) * | 2016-11-24 | 2018-06-19 | 贵州开磷集团股份有限公司 | A kind of water-permeable brick and its building method for mine down-hole filling counterfort |
| 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 |
| CN107178391B (en) * | 2017-06-14 | 2018-12-28 | 江西理工大学 | A kind of construction method and application of armored concrete fire dam |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| CN109505650B (en) * | 2018-11-20 | 2020-06-16 | 贵州大学 | Hydraulic filling retaining wall convenient to clean |
| 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 |
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