CN106246188A - The system and method that the preventing and treating coal mine shaft lining shaft deformation of stratum settlement compatibility of deformation is destroyed - Google Patents
The system and method that the preventing and treating coal mine shaft lining shaft deformation of stratum settlement compatibility of deformation is destroyed Download PDFInfo
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- CN106246188A CN106246188A CN201610909332.0A CN201610909332A CN106246188A CN 106246188 A CN106246188 A CN 106246188A CN 201610909332 A CN201610909332 A CN 201610909332A CN 106246188 A CN106246188 A CN 106246188A
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D5/00—Lining shafts; Linings therefor
- E21D5/04—Lining shafts; Linings therefor with brick, concrete, stone, or similar building materials
Abstract
The system and method that the preventing and treating coal mine shaft lining shaft deformation of a kind of stratum settlement compatibility of deformation is destroyed, belongs to the system approach that preventing and treating coal mine shaft lining shaft deformation is destroyed.Particularly as follows: 1. according to profound unconsolidated formation thickness and soil parameters, calculate the pit shaft settlement influence scope to surrounding formation；2. the dehydration water-bearing layer in the stratum of settlement influence scope being carried out grouting and reinforcing, grouting and reinforcing scope can be slightly larger than settlement influence scope, reaches the purpose of water sealing consolidation；3. selecting suitable compatible deformation material vertically to fill the stratigraphic boundary of coverage, material can play isolation stratum vertical force, and can transmit the effect of stratum horizontal force；4. depth of cracking closure reaches below bedrock surface 1m, and fill method can use single boring or porous to work continuously, and boring is filled with simultaneously, ultimately forms tubular and surrounds.This method is from coordinating stratum sedimentation and deformation angle, and isolation vertical deformation is to prevent the generation of additional stress on shaft lining and the existence of horizontal force can be kept to ensure stablizing of pit shaft.
Description
Technical field
The present invention is that a kind of system and method that coal mine shaft lining shaft deformation is destroyed, especially one prevented and treated sinks for stratum
The system and method that the preventing and treating coal mine shaft lining shaft deformation of fall compatibility of deformation is destroyed.
Technical background
Since the eighties in 20th century, the coal mine shaft lining in the mining areas such as China Xu, Huaihe River, great Tun, Yanzhou occurs in that a kind of domestic
The rarest non-adopting property pit shaft ruptures.This disaster easily causes shaft deformation and ruptures, seeps water, and severe one causes card tank, retention of excessive fluid to gush
Sand, even stops production, and brings serious potential safety hazard to coal production, and huge economic loss is born by Ye Shi coal mining enterprise.From
Since 1987, the vertical simulation wellbore hole built in the East China thick surface soil of China has had more than 80 to be broken
Bad, have a strong impact on the safety in production of mine.
Wherein cause inclination that shaft of vertical well occurs, misplace, rupture, the geologic(al) factor of the various deformation and failures such as seepage
Have: pit shaft passes stratum, rock stratum, coal seam character；Geological structure；Hydrogeologic condition etc..Wherein, unstable water-bearing layer is to vertical
The impact of wellbore stability, the most especially prominent.Especially for nourishment condition more weak the 4th be bottom aquifer, in a large number
Hydrophobic water-bearing layer will be caused unstable, cause the sedimentation of deep soil consolidation compression and upper formation can pit shaft be had downward
Relative motion, produces vertical additional force, produces vertical additional stress in pit shaft, and along with buried depth increases, pit shaft additional stress exists
Soil layer and bedrock surface intersection reach maximum.When stress exceedes pit shaft intensity, rupturing occurs in pit shaft, and the equipment in pit shaft occurs
Deformation can affect Shaft Stability further.As can be seen here, the destruction of pit shaft has direct relation with the large area sedimentation on stratum.
So far, existing many experts and scholars to water-bearing layer the most hydrophobic cause consolidation settlement cause shaft lining breakage with
And control measures conducts in-depth research.The pit shaft of current domestic employing ruptures prophylactico-therapeutic measures mainly to be had:
1. stratum slip casting method.It is divided into " grouting behind shaft or drift lining " and " surface grout injection " two kinds by construction method.Grouting behind shaft or drift lining is at well
Drill in Tong, through the borehole wall, stratum is carried out slip casting；Surface grout injection is to carry out grouting and reinforcing at ground drilling to desired depth.Note
Slurry processes early stage effect is preferable, and owing to simply controlling the sedimentation compression in the water-bearing layer of pit shaft periphery, reinforcing scope is limited, over time
Increasing large area stratum settlement can gradually reproduce, early stage is reinforced pit shaft and is easily occurred that secondary destroys.
2. release channel process.Circumferentially open a groove at the wellbore section that additional compressive stress is big, in groove, place compressible material,
Make pit shaft possess certain decrement, reach to reduce the purpose of pit shaft stress.But it is as the increase of compression, pressure relief groove meeting
Lose alternating compression function, need to again slot, and the internal pipeline problem on deformation that shaft deformation is brought is also required to solve.
3. snare wall approach is added.At the big wellbore section of additional compressive stress with destroy wellbore section, in pit shaft, overlap one layer of borehole wall again
Or by channel-section steel walling crib, original borehole wall is reinforced.Add snare wall approach and can take space in pit shaft, reduce pit shaft minimum diameter.
Owing to reinforcement principle is to resist, the time one, again destroying occurred again in long section of reinforcing.
4. water-bearing layer water flood.Being that water-bearing layer or main compression layer are carried out water filling maintenance, shortcoming is that the time is long, water injection rate
If controlling bad meeting to adversely affect, source quality selects improper meeting to pollute water-bearing layer water body.
, all there is problem miscellaneous in above administering method, it is impossible to the effective shaft deformation that solves destroys this problem,
It is therefore desirable to study method that is safer and that administer well shaft destroyed deformation from principle.
According to well shaft destroyed mechanism, around pit shaft, loose aquifer water level is the most on a declining curve, the compression of alluvium
Deformation is also a long process, and pit shaft to be kept will not destroy and stratum settlement the impact of pit shaft will be reduced or eliminated.
But the most do not use stratum settlement compatibility method to prevent and treat the precedent that shaft deformation is destroyed.
Summary of the invention
Technical problem: the invention aims to provide the preventing and treating coal mine shaft lining pit shaft of a kind of stratum settlement compatibility of deformation to become
The system and method that shape is destroyed, solves cannot effectively solve pit shaft in existing coal mine shaft lining shaft deformation destruction control prece
The problem of deformation failure.
Technical scheme: the object of the present invention is achieved like this: the preventing and treating coal mine shaft lining shaft deformation of the present invention is destroyed
System and method includes that stratum settlement coordinates system and method, is specially the sedimentation and deformation coordinating stratum, to prevent and treat shaft of vertical well
Deformation failure.
This system includes stratum (2) in shaft of vertical well (1), coverage, vertically isolates obturator (3), water-bearing layer slip casting
The outer stratum (7) of reinforcing body (4), basement rock (5), water-bearing layer (6) and coverage；In basement rock (5) water-bearing layer present above (6),
Constituting water-bearing layer grouting and reinforcing body (4) in water-bearing layer (6), water-bearing layer grouting and reinforcing body (4) is full of shaft of vertical well (1) outward aqueous
Layer (6), and extend into outer stratum (7) level of coverage to 1～2m；Arrange outside shaft of vertical well (1) and vertically isolate obturator
(3), shaft of vertical well (1) and vertically isolate be initial settlement coverage between obturator (3) in stratum (2), vertically every
It it is the outer stratum (7) of initial settlement coverage outside obturator (3).
Described obturator (3) of vertically isolating uses the cement mortar of conventional proportions, clay slurry, resin material or chemical pulp
Formulated coordinating material is vertically filled；Described obturator (3) depth of cracking closure of vertically isolating requires to be deep into basement rock
Layer (5) 1m, or the severely-weathered layer through basement rock top layer, be as the criterion with degree of depth maximum in both.
Described water-bearing layer grouting and reinforcing body (4) is formed by surface grout injection or grouting behind shaft or drift lining according to pit shaft practical situation,
Detect after slip casting, to reach water sealing consolidation effect.
This shaft deformation destruction methods includes following construction procedure:
A. according to profound unconsolidated formation thickness and soil parameters, the pit shaft settlement influence scope to surrounding formation is calculated；
B. the dehydration water-bearing layer in the stratum of settlement influence scope is carried out grouting and reinforcing, use existing grouting reinforcement technique
And equipment, serosity uses conventional water sealing consolidation cement mortar or chemical pulp, reaches the purpose of water sealing consolidation；
C. select the coordinating material vertically isolating obturator (3) that the stratigraphic boundary of coverage is vertically filled, material
Material can play isolation stratum vertical force, and can transmit the effect of stratum horizontal force；
The depth of cracking closure the most vertically isolating obturator (3) is deep into horizon d 1m, or the severely-weathered layer through basement rock top layer,
Being as the criterion with degree of depth maximum in both, fill method can use single boring or porous to work continuously, and boring is filled with, finally simultaneously
Formation tubular is surrounded.
In step a, according to profound unconsolidated formation thickness and soil parameters, take empirical value to determine that surrounding formation is sunk by pit shaft
Fall coverage, empirical value takes R=5r2, wherein r2For pit shaft outer radius, or carry out numerical value by general numerical simulation software
Simulation determines initial settlement coverage.
In step b, the dehydration water-bearing layer (6) in the stratum of described settlement influence scope is carried out grouting and reinforcing, slip casting
Scope can be slightly larger than settlement influence scope, forms described water-bearing layer grouting and reinforcing body (4), reaches the purpose of water sealing consolidation；Early stage
Carried out grouting and reinforcing and reinforcing scope had reached pit shaft this step negligible of requirement；
The cement mortar that coordinating material is conventional proportions of described vertical isolation obturator (3): the ratio of water and cement is not
More than 0.5, sand does not exceeds 3 times of cement；Clay is starched: calcium treated mud, methyl mud, emulsified asphalt mud and Water-In-Oil
Equilibrium of activation mud commonly uses clay serosity；Or chemical grout material: pollopas serosity, waterglass serosity, polyacrylamide
Serosity commonly uses retaining wall class chemical grout；It is that border is smooth after molding to the basic demand of coordinating material, and the friction between soil layer
Power is less, plays buffer action.
Described fill method uses vertical single boring or porous is worked continuously or uses other fill methods by material
Vertically fill；Described boring is filled with simultaneously, integral-filled after ultimately form tubular surround: to selected coordination model
Enclosing and hole, bore mode uses symmetrical interval mode, and drilling, to desired depth, is typically deep into horizon d 1m, or passes
The severely-weathered layer on basement rock top layer, is as the criterion with degree of depth maximum in both.
Beneficial effect, owing to have employed such scheme, from the principle of well shaft destroyed, becomes for coordinating the sedimentation on stratum
Shape, it is achieved the prevention and controls that coal mine shaft lining shaft deformation is destroyed.The principle of this method is by vertical packing material, by pit shaft week
In enclosing particular range, stratum isolates with neighboring area.The present invention is from coordinating stratum sedimentation and deformation angle, and isolation is vertical
Deformation is to prevent the generation of additional stress on shaft lining and the existence of horizontal force can be kept to ensure stablizing of shaft of vertical well with this.
Accompanying drawing explanation
Fig. 1 is the longitudinal sectional drawing of the present invention.
Fig. 2 is the top view of the present invention.
Fig. 3 is the grouting and reinforcing body horizontal sectional drawing of the present invention.
In figure: 1, shaft of vertical well；2, stratum in coverage；3, obturator is vertically isolated；4, water-bearing layer grouting and reinforcing body；
5, basement rock；6, water-bearing layer；7, the outer stratum of coverage.
Detailed description of the invention
The system and method that the preventing and treating coal mine shaft lining shaft deformation of the present invention is destroyed includes that stratum settlement coordinates system and side
Method, is specially the sedimentation and deformation coordinating stratum, to prevent and treat the deformation failure of shaft of vertical well.This pit shaft includes shaft of vertical well 1, impact
In the range of stratum 2, vertical isolation obturator 3, water-bearing layer grouting and reinforcing body 4, basement rock 5, water-bearing layer 6 and the outer stratum 7 of coverage；
In basement rock 5 water-bearing layer present above 6, constituting water-bearing layer grouting and reinforcing body 4 in water-bearing layer 6, water-bearing layer grouting and reinforcing body 4 is full of
Water-bearing layer 6 outside shaft of vertical well 1, and extend into coverage outer stratum 7 level to 1～2m；Arrange vertical outside shaft of vertical well 1
Isolation obturator 3, stratum 2 in being initial settlement coverage between shaft of vertical well 1 and vertical isolation obturator 3, vertically
It it is the outer stratum 7 of initial settlement coverage outside isolation obturator 3.
Described vertical isolation obturator 3 uses the cement mortar of conventional proportions, clay slurry, resin material or chemical pulp to join
The injecting paste material of system is vertically filled；Described vertical isolation obturator 3 depth of cracking closure requires to be deep into horizon d 5 times
1m, or the severely-weathered layer through basement rock top layer, be as the criterion with degree of depth maximum in both.
Described water-bearing layer grouting and reinforcing body 4 is formed by surface grout injection or grouting behind shaft or drift lining according to pit shaft practical situation, note
Detect after slurry, to reach water sealing consolidation effect.
This shaft deformation destruction methods includes following construction procedure:
A. according to profound unconsolidated formation thickness and soil parameters, the pit shaft settlement influence scope to surrounding formation is calculated；
B. the dehydration water-bearing layer in the stratum of settlement influence scope is carried out grouting and reinforcing, use existing grouting reinforcement technique
And equipment, serosity uses conventional water sealing consolidation cement mortar or chemical pulp, reaches the purpose of water sealing consolidation；
The stratigraphic boundary of coverage is vertically filled by the coordinating material c. selecting vertical isolation obturator 3, material
Isolation stratum vertical force can be played, and the effect of stratum horizontal force can be transmitted；
The most vertically the depth of cracking closure of isolation obturator 3 is deep into horizon d 1m, or the severely-weathered layer through basement rock top layer, with
In both, degree of depth maximum is as the criterion, and fill method can use single boring or porous to work continuously, and boring is filled with simultaneously, end form
Tubular is become to surround.
In step a, according to profound unconsolidated formation thickness and soil parameters, take empirical value to determine that surrounding formation is sunk by pit shaft
Fall coverage, empirical value takes R=5r2, wherein r2For pit shaft outer radius, or carry out numerical value by general numerical simulation software
Simulation determines initial settlement coverage.
In step b, the dehydration water-bearing layer 6 in the stratum of described settlement influence scope being carried out slip casting, range of grouting can
Slightly larger than settlement influence scope, form described water-bearing layer grouting and reinforcing body 4, reach the purpose of water sealing consolidation；Early stage was carried out
Grouting and reinforcing and reinforcing scope reach pit shaft this step negligible of requirement；
The cement mortar that coordinating material is conventional proportions of described vertical isolation obturator 3: water is the biggest with the ratio of cement
In 0.5, sand does not exceeds 3 times of cement；Clay is starched: calcium treated mud, methyl mud, emulsified asphalt mud and Water-In-Oil are lived
Degree balance mud commonly uses clay serosity；Or chemical grout material: pollopas serosity, waterglass serosity, polyacrylamide are starched
Liquid commonly uses retaining wall class chemical grout；It is that border is smooth after molding to the basic demand of coordinating material, and the frictional force between soil layer
Less, play buffer action.
Described fill method uses vertical single boring or porous is worked continuously or uses other fill methods by material
Vertically fill；Described boring is filled with simultaneously, integral-filled after ultimately form tubular surround: to selected coordination model
Enclosing and hole, bore mode uses symmetrical interval mode, and drilling, to desired depth, is typically deep into horizon d 1m, or passes
The severely-weathered layer on basement rock top layer, is as the criterion with degree of depth maximum in both.
Below in conjunction with the accompanying drawings the present invention is further described.
Embodiment 1: as it is shown in figure 1, the preventing and treating coal mine shaft lining shaft deformation destruction of a kind of stratum settlement compatibility of deformation is
System and method, mainly by stratum 2, vertical isolation obturator 3, water-bearing layer grouting and reinforcing body 4, base in shaft of vertical well 1, coverage
The outer stratum 7 of rock 5, water-bearing layer 6 and coverage is constituted.The described formation volumes needing to coordinate is the stratum model with OB as radius
Enclose.Described vertical isolation obturator 3 is vertically filled by suitable coordinating material, and this material can play isolation stratum and erect
Xiang Li, and the effect of stratum horizontal force can be transmitted.Described vertical isolation obturator 3 depth of cracking closure requirement arrival bedrock surface, one
As be deep into horizon d 1m, or the severely-weathered layer through basement rock top layer, be as the criterion with degree of depth maximum in both.Described water-bearing layer note
Slurry reinforcing body 4 is formed by surface grout injection or grouting behind shaft or drift lining according to pit shaft practical situation, detects, to reach sealing after slip casting
Reinforcement effect.
As in figure 2 it is shown, the system and method that the preventing and treating coal mine shaft lining shaft deformation of a kind of stratum settlement compatibility of deformation is destroyed,
For needing the formation volumes coordinated between described shaft of vertical well 1 and vertical isolation obturator 3.
As it is shown on figure 3, the system and method that the preventing and treating coal mine shaft lining shaft deformation of a kind of stratum settlement compatibility of deformation is destroyed,
Described water-bearing layer grouting and reinforcing body 4, is formed by dehydration water-bearing layer is carried out slip casting, can play the mesh of water sealing consolidation
's.The scope of grouting and reinforcing is slightly larger than the formation volumes needing coordination.
The system and method that the preventing and treating coal mine shaft lining shaft deformation of a kind of stratum settlement compatibility of deformation is destroyed, is embodied as step
Rapid as follows:
A. according to profound unconsolidated formation thickness and soil parameters, empirical value is taken to determine the pit shaft settlement influence to surrounding formation
Scope, empirical value takes R=5r2, wherein r2For pit shaft outer radius, or it is true to carry out numerical simulation by general numerical simulation software
Determine initial settlement coverage.
B. the dehydration water-bearing layer in the stratum in the range of settlement influence is carried out slip casting, reach water sealing consolidation purpose (as
Early stage had carried out grouting and reinforcing and reinforcing scope reaches pit shaft this step negligible of requirement): first carry out prospecting by boring, visit
The parameters such as position, bright water-bearing layer, thickness, permeability, retain when exploratory hole is later stage packing material and use；Then carry out slip casting to add
Gu, can select to carry out surface grout injection or grouting behind shaft or drift lining according to pit shaft practical situation, detect after slip casting, reach water sealing consolidation
Next step is carried out after effect.
C. selecting suitable coordinating material vertically to fill the stratigraphic boundary of coverage, material can play isolator
Layer vertical force, and the effect of stratum horizontal force can be transmitted: using bore mode, coordinating material may select the cement of conventional proportions
Slurry, clay slurry or chemical grout material, basic demand is that border is smooth after molding, and the frictional force between soil layer is less, can
To play isolation lubrication.Described cement mortar is that the ratio of water and cement is not larger than 0.5, and sand does not exceeds the 3 of cement
Times；Described clay slurry is the markets such as calcium treated mud, methyl mud, emulsified asphalt mud and Water-In-Oil equilibrium of activation mud
Common clay serosity；Described chemical grout material is the markets such as pollopas serosity, waterglass serosity, polyacrylamide serosity
Upper common retaining wall class chemical grout.
D. depth of cracking closure reaches bedrock surface, and fill method can use vertical single boring or porous to work continuously, or uses
Material is vertically filled by other modes, and boring is filled with simultaneously, ultimately forms tubular and surrounds: to selected coordination scope
Holing, bore mode uses symmetrical interval mode, and drilling, to desired depth, is typically deep into horizon d 1m, or through base
The severely-weathered layer on rock top layer, is as the criterion with degree of depth maximum in both, i.e. coordinates the filling of material, monitors the borehole wall planted agent during filling
Change, stopping in time filling if changing greatly, continuing to be filled with, until whole coordination scope having been filled after stable
Finish.
The above is only the preferred embodiment of the present invention, it should be pointed out that: for the ordinary skill people of the art
For Yuan, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (8)
1. the system that the preventing and treating coal mine shaft lining shaft deformation of a stratum settlement compatibility of deformation is destroyed, it is characterised in that: this system
Including stratum (2) in built shaft of vertical well (1), coverage, vertically isolate obturator (3), water-bearing layer grouting and reinforcing body
(4), the outer stratum (7) of basement rock (5), water-bearing layer (6) and coverage；In basement rock (5) water-bearing layer present above (6), in water-bearing layer
(6) constituting water-bearing layer grouting and reinforcing body (4) in, water-bearing layer grouting and reinforcing body (4) is full of shaft of vertical well (1) water-bearing layer (6) outward,
And extend into outer stratum (7) level of coverage to 1 ~ 2m；Arrange outside shaft of vertical well (1) and vertically isolate obturator (3), vertical
Well shaft (1) and vertically to isolate between obturator (3) be stratum (2) in initial settlement coverage, is vertically isolating obturator
(3) it is the outer stratum (7) of initial settlement coverage outside.
A kind of stratum settlement compatibility of deformation the most according to claim 1 preventing and treating coal mine shaft lining shaft deformation destroy be
System, it is characterised in that: described vertically isolate obturator (3) use the cement mortar of conventional proportions, clay slurry, resin material or
The formulated coordinating material of chemical pulp is vertically filled；Described obturator (3) depth of cracking closure of vertically isolating requires deeply
To horizon d (5) 1m, or the severely-weathered layer through basement rock top layer, it is as the criterion with degree of depth maximum in both.
A kind of stratum settlement compatibility of deformation the most according to claim 1 preventing and treating coal mine shaft lining shaft deformation destroy be
System, it is characterised in that: surface grout injection or grouting behind shaft or drift lining are passed through according to pit shaft practical situation in described water-bearing layer grouting and reinforcing body (4)
Formed, detect after slip casting, to reach water sealing consolidation effect.
4. the preventing and treating coal mine shaft lining shaft deformation of a kind of stratum settlement compatibility of deformation described in a claim 1 destroys the side of system
Method, it is characterised in that: this shaft deformation destruction methods includes following construction procedure:
A. according to profound unconsolidated formation thickness and soil parameters, the pit shaft settlement influence scope to surrounding formation is calculated；
B. the dehydration water-bearing layer in the stratum of settlement influence scope is carried out grouting and reinforcing, use existing grouting reinforcement technique and set
Standby, serosity uses conventional water sealing consolidation cement mortar or chemical pulp, reaches the purpose of water sealing consolidation；
C. select the coordinating material vertically isolating obturator (3) that the stratigraphic boundary of coverage is vertically filled, material energy
Play isolation stratum vertical force, and the effect of stratum horizontal force can be transmitted；
The depth of cracking closure the most vertically isolating obturator (3) is deep into horizon d 1m, or the severely-weathered layer through basement rock top layer, with two
In person, degree of depth maximum is as the criterion, and fill method can use single boring or porous to work continuously, and boring is filled with simultaneously, ultimately forms
Tubular is surrounded.
The side that the preventing and treating coal mine shaft lining shaft deformation of a kind of stratum settlement compatibility of deformation the most according to claim 4 is destroyed
Method, it is characterised in that: in step a, according to profound unconsolidated formation thickness and soil parameters, take empirical value to determine that pit shaft is to peripherally
The settlement influence scope of layer, empirical value takes R=5r2, wherein r2For pit shaft outer radius, or carried out by general numerical simulation software
Numerical simulation determines initial settlement coverage.
The side that the preventing and treating coal mine shaft lining shaft deformation of a kind of stratum settlement compatibility of deformation the most according to claim 4 is destroyed
Method, it is characterised in that: in step b, the dehydration water-bearing layer (6) in the stratum of described settlement influence scope is carried out slip casting and adds
Gu, range of grouting can be slightly larger than settlement influence scope, forms described water-bearing layer grouting and reinforcing body (4), reaches the mesh of water sealing consolidation
's；Early stage had carried out grouting and reinforcing and reinforcing scope reaches pit shaft this step negligible of requirement.
The side that the preventing and treating coal mine shaft lining shaft deformation of a kind of stratum settlement compatibility of deformation the most according to claim 4 is destroyed
Method, it is characterised in that: the cement mortar that coordinating material is conventional proportions of described vertical isolation obturator (3): water and the ratio of cement
Example is not larger than 0.5, and sand does not exceeds 3 times of cement；Clay starch: calcium treated mud, methyl mud, emulsified asphalt mud and
Water-In-Oil equilibrium of activation mud commonly uses clay serosity；Or chemical grout material: pollopas serosity, waterglass serosity, poly-third
Acrylamide serosity commonly uses retaining wall class chemical grout；It is that border is smooth after molding to the basic demand of coordinating material, and between soil layer
Frictional force less, play buffer action.
The side that the preventing and treating coal mine shaft lining shaft deformation of a kind of stratum settlement compatibility of deformation the most according to claim 4 is destroyed
Method, it is characterised in that: described fill method uses vertical single boring or porous work continuously or use other fill methods
Material is vertically filled；Described boring is filled with simultaneously, integral-filled after ultimately form tubular surround: to selected
Coordination scope is holed, and bore mode uses symmetrical interval mode, and drilling, to desired depth, is typically deep into horizon d 1m,
Or the severely-weathered layer through basement rock top layer, it is as the criterion with degree of depth maximum in both.
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| CN107191188A (en) * | 2017-07-25 | 2017-09-22 | 马钢(集团)控股有限公司 | The bad water-bearing layer positioning targeting slip casting Mine Shaft Lining of rock section, constructing device and method |
| CN108119143A (en) * | 2017-12-20 | 2018-06-05 | 湖南科技大学 | A kind of vertical shaft working surface cement soluble glass paste combines grouting method with chemical grout double-round curtain |
| CN108150175A (en) * | 2018-01-04 | 2018-06-12 | 晋城煤炭规划设计院 | Shaft of vertical well passes through the supporting construction of the old dead zone in coal seam |
| CN109026011A (en) * | 2018-09-12 | 2018-12-18 | 北京中煤矿山工程有限公司 | Huge thickness rich water Denying Formation dolomite shaft of vertical well water-stop curtain controls grouting process |
| CN111794737A (en) * | 2020-06-19 | 2020-10-20 | 安徽建筑大学 | Thick unconsolidated formation bottom hydrophobic settlement vertical shaft deflection mechanism model test device and method |
| CN113236117A (en) * | 2021-05-18 | 2021-08-10 | 北京中煤矿山工程有限公司 | Southwest erosion formation shaft water prevention and control method for ground and underground combined grouting |
| CN114876466A (en) * | 2022-05-31 | 2022-08-09 | 中国矿业大学 | Method for preventing well wall from cracking through active protection blocking ring |
| CN115030727A (en) * | 2022-06-20 | 2022-09-09 | 长沙矿山研究院有限责任公司 | Method for treating harm of local water spraying in well shaft with installed equipment |
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| CN107191188A (en) * | 2017-07-25 | 2017-09-22 | 马钢(集团)控股有限公司 | The bad water-bearing layer positioning targeting slip casting Mine Shaft Lining of rock section, constructing device and method |
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| CN108119143A (en) * | 2017-12-20 | 2018-06-05 | 湖南科技大学 | A kind of vertical shaft working surface cement soluble glass paste combines grouting method with chemical grout double-round curtain |
| CN108150175A (en) * | 2018-01-04 | 2018-06-12 | 晋城煤炭规划设计院 | Shaft of vertical well passes through the supporting construction of the old dead zone in coal seam |
| CN109026011A (en) * | 2018-09-12 | 2018-12-18 | 北京中煤矿山工程有限公司 | Huge thickness rich water Denying Formation dolomite shaft of vertical well water-stop curtain controls grouting process |
| CN111794737A (en) * | 2020-06-19 | 2020-10-20 | 安徽建筑大学 | Thick unconsolidated formation bottom hydrophobic settlement vertical shaft deflection mechanism model test device and method |
| CN113236117A (en) * | 2021-05-18 | 2021-08-10 | 北京中煤矿山工程有限公司 | Southwest erosion formation shaft water prevention and control method for ground and underground combined grouting |
| CN113236117B (en) * | 2021-05-18 | 2024-03-26 | 北京中煤矿山工程有限公司 | Water control method for southwest corrosion stratum shaft by ground and underground combined grouting |
| CN114876466A (en) * | 2022-05-31 | 2022-08-09 | 中国矿业大学 | Method for preventing well wall from cracking through active protection blocking ring |
| CN114876466B (en) * | 2022-05-31 | 2023-01-06 | 中国矿业大学 | Method for preventing well wall from cracking through active protection blocking ring |
| CN115030727A (en) * | 2022-06-20 | 2022-09-09 | 长沙矿山研究院有限责任公司 | Method for treating harm of local water spraying in well shaft with installed equipment |
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