CN108757024A - A kind of efficient filling counterfort in mine and its construction method - Google Patents
A kind of efficient filling counterfort in mine and its construction method Download PDFInfo
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- CN108757024A CN108757024A CN201810541674.0A CN201810541674A CN108757024A CN 108757024 A CN108757024 A CN 108757024A CN 201810541674 A CN201810541674 A CN 201810541674A CN 108757024 A CN108757024 A CN 108757024A
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- barricade
- epoxy resin
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- 238000011049 filling Methods 0.000 title claims abstract description 66
- 238000010276 construction Methods 0.000 title claims abstract description 29
- 239000011378 shotcrete Substances 0.000 claims abstract description 33
- 239000004567 concrete Substances 0.000 claims abstract description 28
- 239000002184 metal Substances 0.000 claims abstract description 21
- 229910052751 metal Inorganic materials 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 19
- 230000004888 barrier function Effects 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 10
- 239000010959 steel Substances 0.000 claims abstract description 10
- 210000003205 muscle Anatomy 0.000 claims abstract description 9
- 239000003822 epoxy resin Substances 0.000 claims description 33
- 229920000647 polyepoxide Polymers 0.000 claims description 33
- 238000002156 mixing Methods 0.000 claims description 26
- 238000007872 degassing Methods 0.000 claims description 18
- 239000011435 rock Substances 0.000 claims description 16
- 239000000945 filler Substances 0.000 claims description 15
- 239000003795 chemical substances by application Substances 0.000 claims description 12
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 5
- 239000000835 fiber Substances 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims description 5
- 239000002002 slurry Substances 0.000 claims description 5
- 239000007921 spray Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000004873 anchoring Methods 0.000 claims description 4
- 239000003638 chemical reducing agent Substances 0.000 claims description 4
- 235000003301 Ceiba pentandra Nutrition 0.000 claims description 3
- 244000146553 Ceiba pentandra Species 0.000 claims description 3
- 239000002518 antifoaming agent Substances 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000005065 mining Methods 0.000 abstract description 6
- 230000002787 reinforcement Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004746 geotextile Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000011464 hollow brick Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- 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
- E21F15/02—Supporting means, e.g. shuttering, for filling-up materials
- E21F15/04—Stowing mats; Goaf wire netting; Partition walls
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/10—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C04B26/14—Polyepoxides
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Ceramic Engineering (AREA)
- Organic Chemistry (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a kind of efficient filling counterfort in mine and its construction methods, including skeleton structure layer, barrier layer and concrete layer；The skeleton structure layer includes vertical muscle, transverse bar, top plate and metal mesh；The barrier layer is connected with skeleton structure layer；The concrete layer is located at the centre on barrier layer；The barrier layer uses gunnysack；The concrete layer is whitewashing body；The top plate is equipped with shotcrete thickness indicating bar, filling pipe, overflow pipe and filter pipe；The shotcrete thickness indicating bar is located at across metal mesh in concrete layer.The present invention takes full advantage of the materials such as discarded steel, the gunnysack in underground, simultaneously this method also have short construction period, technological process is simple, it is easy to operate the advantages that, pack effectiveness can be effectively improved, and then realizes method of mining by the way of filling safety, economy, efficient production operation.
Description
Technical field
The present invention relates to the efficient filling counterfort in mine underground production technique field more particularly to a kind of mine and its construction parties
Method.
Background technology
With the adjustment of national energy and environmental protection policy, the theory of lasting exploit is proposed so that the method for mining by the way of filling is by more next
It is applied in more mines.
Now disclose a kind of detachable filling counterfort of Patent No. CN201620171859.3, including Mining entrance,
Join lane, filling pipe and exhaust water pipe, its main feature is that being made of steel skeleton, bar-mat reinforcement and geotextiles；Steel skeleton by column and crossbeam,
It shores upper end and connect composition with crossbeam, shore lower end against bottom plate, fixed with anchor pole；Column, crossbeam are set to the ring excavated in advance
In connected in star, the column back side is connected with crossbeam, iron wire assembling reinforcement net before column；Thin wire is bound before bar-mat reinforcement
Geotextiles；Filling counterfort is closed with annular groove periphery with gunite concrete；A stifled filling gear is respectively set in Mining entrance two-port
Wall, one of two stifled filling counterforts install filling pipe, exhaust water pipe, setting door opening, door leaf.Advantage be it is novel, it is simple in structure
Stablize, easy to manufacture and install, curing time is short, and labor intensity is low；Detachably, it reuses, low-carbon environment-friendly；It can quickly, uniformly
The moisture of obturation is discharged in ground, provides production efficiency.But in the production process of the method for mining by the way of filling, filling counterfort construction
Speed directly affects the cycle of downhole production, and mine down-hole Retaining wall mainly uses artificial building concrete wall, hollow brick at present
Barricade and Polywoven Bag and hydraulic prop the methods of match, and there are construction periods during these Retaining walls
It is long, complicated for operation, the problems such as quantities is big, directly constrain the safe and efficient production in mine.
A kind of tailing-filled overall height of Patent No. CN201710569969.4 is dehydrated barricade, belongs to metal mine technology neck
Domain is disposed with overall height in the middle part of the concrete wall of rigidity and is dehydrated window, and the two is closely coupled integral in construction, concrete walls
There are lateral crossbeam and vertical column, crossbeam and column that can be process by discarded rail or I-steel in body, crossbeam
It is welded with anchor pole with column, anchor pole is tightly fastened by drilling with palisades.Overall height is dehydrated window by wire netting, linen, straw
The filtering materials such as curtain form, and reasonable Arrangement facilitates dehydration.The present invention can solve metal mine during tailing-filled,
The born pressure of barricade is difficult to estimate, and the problem that dead zone dehydration is difficult.Construction is simple, reliability height, wide application, and overcome
Disadvantage present in traditional two kinds of barricades has both rigid retaining walls robustness and soft for the tailing-filled one kind that provides of metal mine
Property barricade dewatering simple and easy to do, safe and reliable overall height be dehydrated barricade.But the intensity that the barricade of the invention has
Be likely present deficiency with robustness, cannot meet certain specific environment demands, and can either fast pouring construction finish,
There is a little shortcoming in terms of the time of construction can be shortened again.
Invention content
In order to solve the above technical problems, the present invention provides a kind of efficient filling counterfort in mine and its construction methods.Efficiently
The skeleton part of filling counterfort is made of steel construction, and the main body of filling counterfort is made up of gunite concrete, which, which has, applies
Short between working hour, simple for process, simple operation and it is sturdy and durable the advantages that.
The present invention is achieved by the following technical programs.
A kind of efficient filling counterfort in mine, including skeleton structure layer, barrier layer and concrete layer；The skeleton structure layer
Including vertical muscle, transverse bar, top plate and metal mesh；The barrier layer is connected with skeleton structure layer；The concrete layer is located at resistance
The centre of barrier；The barrier layer uses gunnysack；The concrete layer is whitewashing body；It is thick that the top plate is equipped with whitewashing
Spend indicating bar, filling pipe, overflow pipe and filter pipe；The shotcrete thickness indicating bar is located at across metal mesh in concrete layer；
The filling pipe and overflow pipe is located at the top of top plate and has interval between each other；The filter pipe is located at skeleton knot
The middle part of structure layer.
Further, the skeleton structure layer material uses round steel.
Further, two layers of spacing is 0~200mm inside and outside the skeleton structure layer, and skeleton, which stretches into country rock, includes
Ranging from 0~400mm of bottom plate, skeleton include bottom plate by being fixed on country rock with materials such as wooden wedge or resin anchoring agents.
Further, it the skeleton structure layer periphery barricade and two helps and pushes up, bottom plate intersecting area 0~200mm models
In enclosing, increase shotcrete thickness, thickness is 0~100mm.
Further, the length of the shotcrete thickness indicating bar is consistent with filling counterfort design thickness.
Further, the construction method step of the efficient filling counterfort in the mine is as follows：Ground is handled, is built
Barricade skeleton, the layer overlay gunnysack on skeleton carry out spray operation to the inner cavity of barricade；
1. basement process, precast framework structure sheaf：Stope roof situation should be checked before construction, it is ensured that top plate is without dribbling
It can operation after danger；Filling counterfort must be vertical with tunnel, ensures to keep when barricade stress from steady, it is desirable that perforating, frame muscle mistake
In strict accordance with standard operation in journey；Two layers of skeleton is set up in barricade position, it includes bottom plate that skeleton, which stretches into country rock, and fixed；
2. by being bound on interior side skeleton together with metal mesh and gunnysack, gunnysack is and entire to covering facing towards whitewashing direction
Water epoxy resin batch mixing in the gunnysack face of barricade range；
3. taking several reinforcing bars, uniformly binding is filled at two layers on skeleton, as shotcrete thickness indicating bar, while branch is played
The effect of support and fixed skeleton；Overflow pipe and filling pipe are reserved in barricade top plate；
4. preparing the slurry of gunite concrete：Chemical fibre, water-reducing agent and accelerator are added in liquid of whitewashing, it is full and uniform
Mixing is for use；
5. waiting for that the skeleton on barricade, metal mesh, gunnysack, overflow pipe, filling pipe and shotcrete thickness indicating bar are respectively mounted and finish
Afterwards, start to whitewash, when the thickness of whitewashing covers shotcrete thickness indicating bar, then whitewashing terminates, and efficient filling counterfort construction is completed.
Further, the step of preparation epoxy resin batch mixing is：
1. preparing to make material-compound tank, degassing tank, vacuum tank and the filler needed for epoxy resin batch mixing；
Heating melting stirring is carried out 2. epoxy resin is put into material-compound tank, the epoxy resin reaches predetermined temperature
When, it is sent into degassing tank and is de-gassed after filler is generated with the epoxy resin uniform stirring after melting to not a large amount of foams,
It is subsequently poured into a vacuum tank and is sufficiently mixed, and antifoaming agent is added and carries out deaeration processing；
3. curing agent is carried out heating melt process, then the epoxy resin after curing agent and batch mixing is sufficiently mixed, is obtained
To epoxy resin batch mixing.
Further, after 5. step is whitewashed, appropriate barren rock is stacked in barricade exterior bottom, stacking barren rock height is
100mm~150mm.
Further, the epoxy resin uniform stirring and filler is added in the container of low vacuum in while being heated to 65 DEG C
It is mixed；The epoxy resin is with filler according to 1:1.2 ratio is mixed evenly de- to being sent into batch mixing after 70 DEG C
It is de-gassed in gas tank；Pressure is 0.11 kPa in the degassing tank, and the degassing time is 3 hours；The contactor pump
The time entered in degassing tank is no more than 4 hours.
Further, the miscellaneous material that the filler is formed using the disconnected substance of kapok, shredded paper and flexible chain.
The beneficial effects of the present invention are：
The efficient filling counterfort skeleton of the present invention can be constituted by producing discarded round steel and channel steel, adequately utilize production consumption
Material saves production cost；The agent structure of barricade is formed by gunite concrete, can not only ensure the intensity of filling counterfort, together
When also there are short construction period, the advantages such as easy to operate；In the construction work of barricade, epoxy resin is filled in gunnysack face, it can
So that gunnysack rapid shaping, improves whitewashing quality；Shotcrete thickness can effectively be prompted by increasing shotcrete thickness indicating bar, can be made
The thickness of barricade is more uniform, ensures that the intensity of barricade reaches requirement；Fiber, water-reducing agent and rapid hardening are added in the concrete of injection
Agent can enhance the mobility of concrete, while can shorten the setting time of concrete, when accelerating the molding of filling counterfort
Between.The present invention has short construction period, and technological process is simple, easy to operate, can effectively improve pack effectiveness, and then realize
Method of mining by the way of filling safety, economy, efficient production operation.
Description of the drawings
Fig. 1 is efficient filling counterfort design drawing front view.
Fig. 2 is efficient filling counterfort design drawing side view.
Fig. 3 is efficient filling counterfort design drawing vertical view.
In figure：1- shotcrete thickness indicating bar, 2- filling pipes, 3- overflow pipes, 4- filter pipes, 5- indulge muscle, 6- transverse bars, 7- fiber crops
Bag, 8- metal meshes, 9- whitewashing body.
Specific implementation mode
Be described further below technical scheme of the present invention, but claimed range be not limited to it is described.
As shown in Figs. 1-3, the efficient filling counterfort in a kind of mine, including skeleton structure layer, barrier layer and concrete layer；It is described
Skeleton structure layer include vertical muscle 5, transverse bar 6, top plate and metal mesh 8；The barrier layer is connected with skeleton structure layer；Described
Concrete layer is located at the centre on barrier layer；The barrier layer uses gunnysack 7；The concrete layer is whitewashing body 9；Described
Top plate is equipped with shotcrete thickness indicating bar 1, filling pipe 2, overflow pipe 3 and filter pipe 4；The shotcrete thickness indicating bar 1 passes through
Metal mesh 8 is located in concrete layer；Between the filling pipe 2 and overflow pipe 3 is located at the top of top plate and has between each other
Every；The filter pipe 4 is located at the middle part of skeleton structure layer.The skeleton structure layer material uses round steel.The bone
Two layers of spacing is 0~200mm inside and outside frame structure sheaf, and skeleton stretches into the ranging from 0~400mm for including bottom plate in country rock, skeleton
Include bottom plate by being fixed on country rock with materials such as wooden wedge or resin anchoring agents.The skeleton structure layer periphery barricade and two
Within the scope of side and top, 0~200mm of bottom plate intersecting area, increase shotcrete thickness, thickness is 0~100mm.Further, described
The length of shotcrete thickness indicating bar 1 is consistent with filling counterfort design thickness.
The construction method step of the efficient filling counterfort in the mine is as follows：Ground is handled, barricade skeleton is built,
The layer overlay gunnysack on skeleton carries out spray operation to the inner cavity of barricade；
1. basement process, precast framework structure sheaf：Stope roof situation should be checked before construction, it is ensured that top plate is without dribbling
It can operation after danger；Filling counterfort must be vertical with tunnel, ensures to keep when barricade stress from steady, it is desirable that perforating, frame muscle mistake
In strict accordance with standard operation in journey；Two layers of skeleton is set up in barricade position, it includes bottom plate that skeleton, which stretches into country rock, and fixed；
2. metal mesh 8 and gunnysack 7 are bound together on interior side skeleton, gunnysack 7 facing towards whitewashing direction, and to cover it is whole
Water epoxy resin batch mixing in the gunnysack face of a barricade range；
3. taking several reinforcing bars, uniformly binding is filled at two layers on skeleton, as shotcrete thickness indicating bar 1, while branch is played
The effect of support and fixed skeleton；Overflow pipe 3 and filling pipe 2 are reserved in barricade top plate；
4. preparing the slurry of gunite concrete：Chemical fibre, water-reducing agent and accelerator are added in liquid of whitewashing, it is full and uniform
Mixing is for use；
5. waiting for that the skeleton on barricade, metal mesh 8, gunnysack 7, overflow pipe 3, filling pipe 2 and shotcrete thickness indicating bar 1 are respectively mounted
After, start to whitewash, when the thickness covering shotcrete thickness indicating bar 1 of whitewashing, then whitewashing terminates, and efficient filling counterfort has been constructed
At.
Prepare epoxy resin batch mixing the step of be：
1. preparing to make material-compound tank, degassing tank, vacuum tank and the filler needed for epoxy resin batch mixing；
Heating melting stirring is carried out 2. epoxy resin is put into material-compound tank, the epoxy resin reaches predetermined temperature
When, it is sent into degassing tank and is de-gassed after filler is generated with the epoxy resin uniform stirring after melting to not a large amount of foams,
It is subsequently poured into a vacuum tank and is sufficiently mixed, and antifoaming agent is added and carries out deaeration processing；
3. curing agent is carried out heating melt process, then the epoxy resin after curing agent and batch mixing is sufficiently mixed, is obtained
To epoxy resin batch mixing.
5. step is whitewashed after, stack appropriate barren rock in barricade exterior bottom, stackings barren rock height for 100mm~
150mm。
The epoxy resin uniform stirring and while being heated to 65 DEG C, are added filler and are mixed in the container of low vacuum；
The epoxy resin is with filler according to 1:1.2 ratio is mixed evenly to batch mixing being sent into degassing tank after 70 DEG C and carries out
Degassing；Pressure is 0.11 kPa in the degassing tank, and the degassing time is 3 hours；The batch mixing is pumped into degassing tank
Time be no more than 4 hours.The miscellaneous material that the filler is formed using the disconnected substance of kapok, shredded paper and flexible chain.
Epoxy resin batch mixing mentioned in the present invention needs prepare for three hours in advance, waits for the gunnysack on barricade skeleton
After installing, with epoxy resin batch mixing is poured onto on gunnysack.
It is wide × a height of (450mm × 500mm) with barricade size, it is illustrated for barricade thickness 250mm:
(1) efficiently filling counterfort skeleton is made of two layers vertical muscle 5, transverse bar 6 of reinforcing bar, and spacing 200mm, two layers of reinforcing bar is staggered
100mm, reinforcing bar stretch into country rock (including bottom plate), and firm with wooden wedge or resin anchoring agent.
(2) first by the binding of gunnysack 7 on metal mesh 8, it is ensured that binding quality, two 7 laps of splice of gunnysack are not less than
200mm ensures that gunnysack 7 will not be detached from metal mesh 8 when whitewashing.
(3) metal mesh 8 and gunnysack 7 are bound together on the reinforcing bar of inside, gunnysack 7 covers whole facing towards whitewashing direction
A board wall range, then waters epoxy resin batch mixing.
(4) intercepted length is that 250mm reinforcing bars are bound on two layers of skeleton, as shotcrete thickness indicating bar 1, plays support and fixes
The effect of the effect and instruction shotcrete thickness of two layers of reinforcing bar；Quantity about 4 or 5 differs, and is evenly arranged in barricade.
(5) each at each reserved overflow pipe 3 of barricade top plate and filling pipe 2, the barricade bottom plate above 500mm and 3000mm
Arrange a filter pipe 44, the good filling pipe 2 of elder generation's frame and overflow pipe 3 before whitewashing.
(6) when efficient filling counterfort component all installs, and after reaching design requirement, you can start to whitewash, work as spray
9 thickness of slurry covers shotcrete thickness indicating bar 1, then whitewashing terminates, and efficient filling counterfort construction is completed.
Claims (10)
1. a kind of efficient filling counterfort in mine, it is characterised in that：Including skeleton structure layer, barrier layer and concrete layer；Described
Skeleton structure layer includes vertical muscle (5), transverse bar (6), top plate and metal mesh (8)；The barrier layer is connected with skeleton structure layer；Institute
The concrete layer stated is located at the centre on barrier layer；The barrier layer uses gunnysack (7)；The concrete layer is whitewashing body
(9)；The top plate is equipped with shotcrete thickness indicating bar (1), filling pipe (2), overflow pipe (3) and filter pipe (4)；The spray
Slurry thickness indicating bar (1) is located at across metal mesh (8) in concrete layer；The filling pipe (2) and overflow pipe (3) is located at
The top of top plate and there is interval between each other；The filter pipe (4) is located at the middle part of skeleton structure layer.
2. the efficient filling counterfort in mine as described in claim 1, it is characterised in that：The skeleton structure layer material is using circle
Steel.
3. the efficient filling counterfort in mine as described in claim 1, it is characterised in that：Two layers inside and outside the skeleton structure layer
Spacing is 0~200mm, and skeleton stretches into ranging from 0~400mm in country rock, and skeleton is by with wooden wedge or resin anchoring agent etc.
Material is fixed on country rock.
4. the efficient filling counterfort in mine as described in claim 1, it is characterised in that：The skeleton structure layer periphery 0~
Within the scope of 200mm, increase shotcrete thickness, thickness is 0~100mm.
5. the efficient filling counterfort in mine as described in claim 1, it is characterised in that：The length of the shotcrete thickness indicating bar (1)
Degree is consistent with filling counterfort design thickness.
6. a kind of construction method of the efficient filling counterfort in mine as described in claim 1 to 5 any one, which is characterized in that
Its method and step is as follows：Ground is handled, barricade skeleton is built, the layer overlay gunnysack on skeleton, to the inner cavity of barricade
Carry out spray operation；
1. basement process, precast framework structure sheaf：Stope roof situation should be checked before construction, it is ensured that top plate is without dribbling danger
After can operation；Filling counterfort must be vertical with tunnel, ensures to keep when barricade stress from steady, it is desirable that during perforating, frame muscle
In strict accordance with standard operation；Two layers of skeleton is set up in barricade position, skeleton stretches into country rock and fixed；
2. binding together metal mesh (8) and gunnysack (7) on interior side skeleton, gunnysack (7) is facing towards whitewashing direction, and to covering
Water epoxy resin batch mixing in the gunnysack face of entire barricade range；
It is filled on skeleton at two layers 3. uniformly binding reinforcing bar, as shotcrete thickness indicating bar (1), while playing and supporting and fixing
The effect of skeleton；Overflow pipe (3) and filling pipe (2) are reserved in barricade top plate；
4. preparing the slurry of gunite concrete：Chemical fibre, water-reducing agent and accelerator, full and uniform mixing are added in liquid of whitewashing
For use；
5. waiting for the skeleton on barricade, metal mesh (8), gunnysack (7), overflow pipe (3), filling pipe (2) and shotcrete thickness indicating bar (1)
After being respectively mounted, start to whitewash, when the thickness covering shotcrete thickness indicating bar (1) of whitewashing, then whitewashing terminates, efficiently filling gear
Wall construction is completed.
7. the construction method of the efficient filling counterfort in mine as claimed in claim 6, which is characterized in that prepare epoxy resin batch mixing
The step of be：
1. preparing to make material-compound tank, degassing tank, vacuum tank and the filler needed for epoxy resin batch mixing；
Heating melting stirring is carried out 2. epoxy resin is put into material-compound tank, it, will when the epoxy resin reaches predetermined temperature
Filler is sent into degassing tank after being generated to not a large amount of foams with the epoxy resin uniform stirring after melting and is de-gassed, and then falls
Enter and be sufficiently mixed in a vacuum tank, and antifoaming agent is added and carries out deaeration processing；
3. curing agent is carried out heating melt process, then the epoxy resin after curing agent and batch mixing is sufficiently mixed, obtains ring
Oxygen resin batch mixing.
8. the construction method of the efficient filling counterfort in mine as claimed in claim 6, it is characterised in that：5. step is whitewashed terminates
Afterwards, appropriate barren rock is stacked in barricade exterior bottom, stacking barren rock height is 100mm~150mm.
9. the construction method of the efficient filling counterfort in mine as claimed in claim 7, it is characterised in that：The epoxy resin is equal
The even filler that is added when being stirred and heated to 65 DEG C is mixed in the container of low vacuum；The epoxy resin and filler according to
1:1.2 ratio is mixed evenly to batch mixing being sent into degassing tank after 70 DEG C and is de-gassed；Pressure in the degassing tank
It it is 0.11 kPa, the degassing time is 3 hours；The batch mixing was pumped into the time in degassing tank no more than 4 hours.
10. the construction method of the efficient filling counterfort in mine as claimed in claim 7, it is characterised in that：The filler uses
The miscellaneous material that the disconnected substance of kapok, shredded paper and flexible chain is formed.
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|---|---|---|---|
| CN201810541674.0A CN108757024B (en) | 2018-05-30 | 2018-05-30 | A kind of efficient filling counterfort in mine and its construction method |
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| CN201810541674.0A CN108757024B (en) | 2018-05-30 | 2018-05-30 | A kind of efficient filling counterfort in mine and its construction method |
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| CN108757024B CN108757024B (en) | 2019-09-13 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488369A (en) * | 2018-11-21 | 2019-03-19 | 贵州大学 | A kind of filling-up hydraulically barricade device and application method |
| CN109505650A (en) * | 2018-11-20 | 2019-03-22 | 贵州大学 | A kind of filling-up hydraulically barricade of easy cleaning |
| CN110056390A (en) * | 2019-04-23 | 2019-07-26 | 中国矿业大学(北京) | A kind of underground put tunnel crude tailings consolidation disposal system and its method of disposal aside as useless |
| CN110410142A (en) * | 2019-09-04 | 2019-11-05 | 临沂会宝岭铁矿有限公司 | A method of it constructing the auxiliary device of barricade and constructs barricade with the auxiliary device |
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