CN106150545A - A kind of method carrying out goaf part filling according to roof caving feature - Google Patents

A kind of method carrying out goaf part filling according to roof caving feature Download PDF

Info

Publication number
CN106150545A
CN106150545A CN201610641374.0A CN201610641374A CN106150545A CN 106150545 A CN106150545 A CN 106150545A CN 201610641374 A CN201610641374 A CN 201610641374A CN 106150545 A CN106150545 A CN 106150545A
Authority
CN
China
Prior art keywords
filling
spoil
directly
goaf
monomer
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
CN201610641374.0A
Other languages
Chinese (zh)
Other versions
CN106150545B (en
Inventor
冯国瑞
杜献杰
戚庭野
郭育霞
张玉江
李振
郭军
栗继组
王泽华
康立勋
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.)
Taiyuan University of Technology
Original Assignee
Taiyuan University of Technology
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 Taiyuan University of Technology filed Critical Taiyuan University of Technology
Priority to CN201610641374.0A priority Critical patent/CN106150545B/en
Publication of CN106150545A publication Critical patent/CN106150545A/en
Application granted granted Critical
Publication of CN106150545B publication Critical patent/CN106150545B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F15/00Methods or devices for placing filling-up materials in underground workings
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F15/00Methods or devices for placing filling-up materials in underground workings
    • E21F15/005Methods or devices for placing filling-up materials in underground workings characterised by the kind or composition of the backfilling material

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

The invention discloses a kind of method carrying out goaf part filling according to roof caving feature, including: according to goaf first roof caving step pitch, arrange the high intensity filling band being perpendicular or parallel to direction of extraction in goaf, control being caving of direct top;According to the sag on directly top, arrange that number arranges difform high intensity filling monomer at filling bar interband interval, control the deformation on directly top;Filling on a large scale, proof stress centrostigma is carried out in special geological structure position;Form " high-strength obturator is directly pushed up " structure control system, support overlying rock together;Arrange narrow filling band gob side entry retaining, reduce subsequent work Mian Jue lane workload, and close bashing.Present invention saves filler, reduce filling cost;Difform filling structure is arranged at key position, effective to Roof Control, prevent part obturator from destroying the chain reaction causing the whole district;Spatial reuse can be descended in large quantities to formed after filling.

Description

A kind of method carrying out goaf part filling according to roof caving feature
Technical field
The present invention relates to a kind of method carrying out goaf part filling according to roof caving feature, belong to filling mining neck Territory.
Background technology
For a long time, the commonly used caving method of China processes the goaf of underground mineral resources, the method mechanization degree Higher with production efficiency, but also result in overlying rock and deform on a large scale and be caving, cause roof fracture permeable broken with lithic drainage Environment and the safety such as bad, subsidence and buildings or structures destruction, the accumulation of spoil ground, the irregularly accumulation of goaf harmful gas Problem.Meanwhile, China also exists substantial amounts of " three times " resource, and under the present situation that resource is day by day exhausted, this part resource is urgently It is released utilizing.The method controlling subsidence in underground mineral resources exploitation mainly has partial mining and filling mining, or Being both combinations, traditional partial mining method includes room mining, Striping noise, pillar-and-panel work etc., be required for staying set big The ore pillar of amount, recovery ratio is low, causes a large amount of wastes of underground mineral resources, it is difficult to the exploitation effectively solving " three times " resource is asked Topic.In recent years, under the theory of " lasting exploit " and the promotion of Mining Policy, filling mining is as controlling environmental disruption and solution The means of " three times " resource exploitation, develop rapidly in mining engineering, and at obturator arrangement, filler, fill Fill out the aspects such as technique to make some progress.
The best mode that goaf carries out filling is entirely to adopt entirely to fill, and is full of by filler whole mined out the most as far as possible District, replaces the mineral products being produced out with filler, controls the migration of overlying rock.Entirely adopt and entirely fill the control that can reach good Effect, but need substantial amounts of filler, filling cost is higher.Meanwhile, quick along with improvement and the filling mining of production practice Development, available mining solid waste constantly reduces, and little by little can not meet and entirely adopt the demand entirely filled.How to solve mining Balance between solid waste quantum of output and filler demand, becomes current and filling mining from now on subject matter. Therefore, on the basis of Quan Caiquan fills, for reducing filler usage amount, reducing filling cost, goaf is carried out part and fills Fill out.The mode that part filling is commonly used has strip-type filling and pier stud type filling etc., although these filling methods have saved filling material Material, but fill planning owing to lacking reasonably to adopt, and filling form is single, and filling effect is not ideal, and roof deformation amount is difficult to control System.The problem existed for coal mine filling exploitation, on the basis of the part filling thought of goaf, it is proposed that according to roof caving Feature predicts the method carrying out goaf part filling mining.
Summary of the invention
It is desirable to provide a kind of method carrying out goaf part filling according to roof caving feature, according to goaf Roof caving feature, is predicted by early stage and adopts and fill planning, arranges that high-strength filling is tied targetedly at goaf key position Structure body, forms " obturator-directly push up " structure control system, controls the deformation and failure of overlying rock.
The invention provides a kind of method carrying out goaf part filling according to roof caving feature, in following Hold:
According to goaf first roof caving step pitch, arrange high intensity filling band at goaf key position, high-strength Degree filling band is perpendicular or parallel with direction of extraction, controls being caving of direct top;The sag directly pushed up according to empty top zone, Filling bar interband interval arranges that number arranges difform high intensity filling monomer, controls the deformation on directly top;There is special geology Structure, then carry out filling on a large scale, proof stress centrostigma in special geological structure position;High intensity filling band and filling list Body controls stablizing of direct top, forms " high-strength obturator-directly push up " structure control system, supports overlying rock together;Arrange Narrow filling band gob side entry retaining, reduces subsequent work Mian Jue lane workload, and closes bashing.
Described goaf key position be the disconnected place of direct bursting, directly top Deformation control point, roof Stress centrostigma, along empty Stay at lane.
Described difform high intensity filling monomer includes cross, T-shaped, square or prism structure.
Described special geological structure position refers to tomography, karst collapse col umn, fold, fissure zone or weak floor retention of excessive fluid district.
Described high-strength obturator uses intensity to be the filler of 6-10MPa, and can as required in obturator appearance and Inside carries out arrangement of reinforcement or other consolidation process.
The concrete operation step of said method is as follows:
(1) according to mine geology condition, suffered evenly load q in directly top, first roof caving step pitch L are calculated;
Described
As (qn+1)1<(qn)1Time, q=(qn)1
Wherein: E1、E2、…EnFor the elastic modelling quantity of each rock stratum, n is rock stratum number, h1、h2…hnFor the thickness of each rock stratum, h1 For immediate roof thickness, RTFor directly offending and disobeying with rude remarks tensile strength, q is the overlying load acting on directly top, k1For safety coefficient;V1、V2、 V3、......VnUnit weight for each rock stratum;
2. according to spacing L directly pushing up caving angle appropriate design filling band1, directly push up deflection according to bar interband WmaxIt is L at filling bar interband arrangement pitch2Filling monomer;
Described L1< L,
In formula, I1For directly pushing up the moment of inertia;E1For the elastic modelling quantity on directly top, h1For the thickness on directly top, q is for acting on The directly overlying load on top, L2For filling monomer spacing;
3. select high-strength filler, according to intensity f of fillercuWith the overlying load q design acting on directly top The width a of filling band, the cross-sectional area A of bar interband high intensity filling monomer designs according to self stability, equivalence depth-width ratioIt is not more than 2;Equivalence depth-width ratio refers to the height h of filling monomer and the ratio of its width, and described width is by difformity High intensity filling monomer equivalence Cheng Yuqi width time there is the four-prism of same cross-sectional area A
DescribedWherein: L is first roof caving step pitch, q is the overlying load acting on directly top, fcu For obturator comprcssive strength, k2For safety coefficient;
As a kind of preferred version, described high-strength filler is spoil-flyash paste filling material, and its intensity can reach To 6-10MPa, concrete quality proportioning is: cement: flyash: water: spoil=1: 2: 2: 5, and wherein the thin spoil of 0-5mm accounts for total cash The 30% of stone, in 5-10mm, spoil, 10-15mm thick spoil consumption all account for the 35% of total spoil, and the mass fraction of filler is 80%, different additives can be added according to actual requirement.
As another kind of preferred version, described high-strength filler is spoil-discarded concrete paste filling material, intensity Can reach 6-10MPa, concrete quality proportioning is: cement: flyash: water: spoil: discarded concrete=1: 2: 2: 3.5: 1.5, Wherein: wherein the thin spoil of 0-5mm and the thick spoil of 10-15mm all account for the 25% of total spoil, and in 5-10mm, spoil accounts for total spoil 50%;The thin discarded concrete of 0-5mm accounts for the 40% of total discarded concrete, and in 5-10mm, discarded concrete and 10-15mm slightly discard Concrete amount accounts for the 30% of total discarded concrete respectively;The mass fraction of filler is 80%;The quality of filler is divided Number is 80%, can add different additives according to actual requirement.
4. design gob side entry retaining filling strip width c: for meeting supporting requirement, c >=2.5m
5. along with the propelling of work surface, setting up template when exploitation to design filling position and carry out filling, filling band is adopted Filling is carried out with sliding formwork.
Beneficial effects of the present invention:
(1) compared with whole caving methods: effectively controlroof deformation failure and subsidence, railways and water-bodies extraction is improved Rate, protects environment;
(2) compared with entirely adopting and entirely filling: carry out part filling according to detailing requiments, filler can be saved, reduce filling Cost;
(3) compared with strip-type filling and pier stud type filling: according to roof caving bending features, arrange not at key position The filling structure of similar shape, effective to Roof Control, prevent part obturator from destroying the chain reaction causing the whole district;
(4) spatial reuse can be descended in large quantities to formed after filling.
Accompanying drawing explanation
Fig. 1 is the part placement method schematic diagram that goaf is perpendicular to direction of extraction layout filling band
Fig. 2 is the part placement method schematic diagram that goaf is parallel to direction of extraction layout filling band
Fig. 3 is the part placement method schematic diagram that filling band is arranged in goaf.
In figure: 1. be perpendicular to the filling band of direction of extraction;The most cross filling monomer;3. adopt and fill work surface and stay along sky Lane filling band;4. unmind ore body;5. go up one to adopt and fill work surface gob side entry retaining filling band;6. it is parallel to filling of direction of extraction Fill out band;7.T shape filling monomer;The most square filling monomer;A is direction of extraction.
Detailed description of the invention
Further illustrate the present invention below by embodiment, but be not limited to following example.
Embodiment 1:
Certain ore deposit minable coal seam is composed to deposit and is stablized, and geological structure is simple, the Protodyakonov coefficient f=2~4 in coal seam.Seam inclination 2 °~ 10 °, average 4 °;Coal seam thickness is 3.20~3.30m.Directly top for thick for 3.8m siltstone (unidirectional tensile strength is 6.8MPa, Elastic modelling quantity is 20.8MPa), old top is packsand (unidirectional tensile strength is 7.98MPa), and thick 6.87m is respectively thickness on it The carbonaceous mudstone of 0.34m, 5.17m and 5.23m, siltstone and conglomerate.
1. according to calculating: directly suffered evenly load q=0.095MPa in top, first roof caving step pitch L=26.3m;
2. design is perpendicular to the filling band of direction of extraction, and spacing is L1=25m, is evenly arranged filling at filling bar interband Monomer;
3. select spoil-flyash paste filling material, proportioning be thin spoil consumption be 285kg/m3In, thick spoil use Amount is 332.5kg/m3, the consumption of cement and flyash is respectively 190kg/m3And 380kg/m3, water consumption is 380kg/m3, The mass fraction of filler is 80%, according to intensity f of fillercuSuffered evenly load q=in=6.6MPa and directly top 0.095MPa, the width a=6m of design filling band, and A=20m is amassed in design section betwixt2Cross filling monomer;
4. design gob side entry retaining size c=3m;
5. along with the propelling of work surface, setting up template when exploitation to design filling position and carry out filling, filling band is adopted Filling is carried out with sliding formwork.
Embodiment 2:
Certain ore deposit minable coal seam is composed to deposit and is stablized, and geological structure is simple, the Protodyakonov coefficient f=2~4 in coal seam.Seam inclination 2 °~ 10 °, average 4 °;Coal seam thickness is 3.20~3.30m.Directly top for thick for 3.8m siltstone (unidirectional tensile strength is 6.8MPa, Elastic modelling quantity is 20.8MPa), old top is packsand (unidirectional tensile strength is 7.98MPa), and thick 6.87m is respectively thickness on it The carbonaceous mudstone of 0.34m, 5.17m and 5.23m, siltstone and conglomerate.
1. according to calculating: directly suffered evenly load q=0.095MPa in top, first roof caving step pitch L=26.3m;
2. design is parallel to the filling band of direction of extraction, and spacing is 25m, averagely arranges filling list at filling bar interband Body;
3. selecting spoil-discarded concrete paste filling material, its proportioning is: the thin spoil of 0-5mm and the thick spoil of 10-15mm The equal 166.25kg/m of consumption3, in 5-10mm, spoil consumption is 332.5kg/m3;0-5mm thin discarded concrete consumption is 114kg/ m3, in 5-10mm, discarded concrete and 10-15mm thick discarded concrete consumption are 85.5kg/m3;Cement and the consumption of flyash It is respectively 190kg/m3And 380kg/m3, water consumption is 380kg/m3, the mass fraction of filler is 80%, adds 0.3% High-efficiency water-reducing agent of poly-carboxylic acid;Intensity f according to fillercuSuffered evenly load q=0.095MPa in=8.4MPa and directly top, The width a=5m of design filling band;And design two row sectional area A=20m betwixt2Cross monomer and sectional area A= 16m2T-shaped monomer;
4. design gob side entry retaining size c=3m;
5., along with the propelling of work surface, set up template when exploitation to design filling position and carry out filling.
Embodiment 3:
No. 3 coal seams of certain coal mining directly push up for light grey Sandy Silt and fine sandstone (wherein comprise two-layer bog-head coal, The thickest 0.5m), compact massive constructs, and average thick 4.40m, based on stratiform, layer is less grown to crack, and comprcssive strength is 30.3 ~75.9MPa, average 65.3MPa, tensile strength is 1.5MPa.
1. according to calculating suffered evenly load q=0.946MPa in directly top, first roof caving step pitch L=22m;
2. less owing to directly pushing up intensity, design the two-way filling band parallel and perpendicular to direction of extraction, spacing is 22m, is evenly arranged filling monomer at filling bar interband;
3. select spoil-flyash paste filling material, proportioning be thin spoil consumption be 285kg/m3In, thick spoil contains Amount consumption is 332.5kg/m3, the consumption of cement and flyash is respectively 190kg/m3And 380kg/m3, water consumption is 380kg/ m3, the mass fraction of filler is 80%, according to intensity f of fillercuSuffered evenly load q in=6.6MPa and directly top =0.946MPa, the width a=5m of design filling band;And design two to three rows are cross, T-shaped betwixt and square filling list Body;And entirely fill at exploiting field intermediate thin weak-strong test;
4. design gob side entry retaining size c=4m;
5. along with the propelling of work surface, setting up template when exploitation to design filling position and carry out filling, filling band is adopted Filling is carried out with sliding formwork.

Claims (8)

1. the method carrying out goaf part filling according to roof caving feature, it is characterised in that include herein below:
According to goaf first roof caving step pitch, arranging high intensity filling band at goaf key position, high intensity is filled Fill out band perpendicular or parallel with direction of extraction, control being caving of direct top;The sag directly pushed up according to empty top zone, in filling Bar interband is evenly arranged number and arranges difform high intensity filling monomer, controls the deformation on directly top;There is special geological structure, Filling on a large scale, proof stress centrostigma is then carried out in special geological structure position;High intensity filling band and filling monomer control Stablizing of system directly top, forms " high-strength obturator-directly push up " structure control system, supports overlying rock together;Arrange narrow filling Fill out band gob side entry retaining, reduce subsequent work Mian Jue lane workload, and close bashing.
The method carrying out goaf part filling according to roof caving feature the most according to claim 1, it is characterised in that: Described goaf key position is at the disconnected place of direct bursting, directly top Deformation control point, roof Stress centrostigma, gob side entry retaining.
The method carrying out goaf part filling according to roof caving feature the most according to claim 1, it is characterised in that: Described difform high intensity filling monomer includes cross, T-shaped, square or prism structure.
The method carrying out goaf part filling according to roof caving feature the most according to claim 1, it is characterised in that: Described special geological structure position refers to tomography, karst collapse col umn, fold, fissure zone or weak floor retention of excessive fluid district.
The method carrying out goaf part filling according to roof caving feature the most according to claim 1, it is characterised in that: Described high intensity filling band and high intensity filling monomer use intensity to be the filler of 6-10MPa, and are filling as required Fill out external table and inside carries out arrangement of reinforcement or other consolidation process.
The method carrying out goaf part filling according to roof caving feature the most according to claim 1, it is characterised in that: Concrete operation step is as follows:
(1) according to mine geology condition, suffered evenly load q in directly top, first roof caving step pitch L are calculated;
Described
As (qn+1)1<(qn)1Time, q=(qn)1
Wherein: E1、E2、…EnFor the elastic modelling quantity of each rock stratum, n is rock stratum number, h1、h2…hnFor the thickness of each rock stratum, h1For directly Top thickness degree, RTFor directly offending and disobeying with rude remarks tensile strength, q is the overlying load acting on directly top, k1For safety coefficient;V1、V2、 V3、......VnUnit weight for each rock stratum;
(2) according to spacing L directly pushing up caving angle appropriate design filling band1, directly push up deflection W according to bar interbandmax? Filling bar interband arrangement pitch is L2Filling monomer;
Described L1< L,
In formula, I1For directly pushing up the moment of inertia;L1For filling striation widths, E1For the elastic modelling quantity on directly top, h1Thickness for directly top Degree, q is the overlying load acting on directly top, L2For filling monomer spacing;
(3) high-strength filler is selected, according to intensity f of fillercuWith the overlying load q design filling acting on directly top The width a of band, is evenly arranged number at filling bar interband and arranges difform high intensity filling monomer, high intensity filling monomer Cross-sectional area A designs according to self stability, equivalence depth-width ratioIt is not more than 2;Equivalence depth-width ratio refers to the height of filling monomer H and the ratio of its width, described width is for have identical cross-section by difform high intensity filling monomer equivalence Cheng Yuqi Amass the width during four-prism of A
Described
Wherein: L is first roof caving step pitch, q is the overlying load acting on directly top, fcuFor obturator comprcssive strength, k2For safety coefficient;
(4) design gob side entry retaining filling strip width c: for meeting supporting requirement, c >=2.5m
(5) along with the propelling of work surface, setting up template when exploitation to design filling position and carry out filling, filling band uses sliding Mould carries out filling.
The method carrying out goaf part filling according to roof caving feature the most according to claim 6, it is characterised in that: Described high-strength filler is spoil-flyash paste filling material, and its intensity can reach 6-10MPa, concrete quality proportioning For cement: flyash: water: spoil=1: 2: 2: 5, wherein the thin spoil of 0-5mm accounts for the 30% of total spoil, spoil in 5-10mm, 10-15mm thick spoil consumption all accounts for the 35% of total spoil, and the mass fraction of filler is 80%, adds not according to actual requirement Same additive.
The method carrying out goaf part filling according to roof caving feature the most according to claim 6, it is characterised in that: Described high-strength filler is spoil-discarded concrete paste filling material, and intensity can reach 6-10MPa, and concrete quality is joined Ratio is: cement: flyash: water: spoil: discarded concrete=1: 2: 2: 3.5: 1.5, wherein: the wherein thin spoil of 0-5mm and 10- The thick spoil of 15mm all accounts for the 25% of total spoil, and in 5-10mm, spoil accounts for the 50% of total spoil;The thin discarded concrete of 0-5mm accounts for total useless Abandoning the 40% of concrete, in 5-10mm, discarded concrete and 10-15mm thick discarded concrete consumption account for total discarded concrete respectively 30%;The mass fraction of filler is 80%;The mass fraction of filler is 80%, adds difference according to actual requirement Additive.
CN201610641374.0A 2016-08-05 2016-08-05 A kind of method that the filling of goaf part is carried out according to roof caving feature Active CN106150545B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610641374.0A CN106150545B (en) 2016-08-05 2016-08-05 A kind of method that the filling of goaf part is carried out according to roof caving feature

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610641374.0A CN106150545B (en) 2016-08-05 2016-08-05 A kind of method that the filling of goaf part is carried out according to roof caving feature

Publications (2)

Publication Number Publication Date
CN106150545A true CN106150545A (en) 2016-11-23
CN106150545B CN106150545B (en) 2018-05-04

Family

ID=57328367

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610641374.0A Active CN106150545B (en) 2016-08-05 2016-08-05 A kind of method that the filling of goaf part is carried out according to roof caving feature

Country Status (1)

Country Link
CN (1) CN106150545B (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109356582A (en) * 2018-11-15 2019-02-19 山东科技大学 A kind of filling mining method for comprehensive extracting and caving face
CN109611134A (en) * 2018-11-12 2019-04-12 山东科技大学 A kind of grouting cable anchor and strip filling method for loose media strip filling
CN109610622A (en) * 2018-11-05 2019-04-12 太原理工大学 A kind of coal mining area strip-type construction filling guarantor-water storage system
CN109681206A (en) * 2018-08-20 2019-04-26 华北科技学院 A method of filling control ground settlement of mining
CN112412459A (en) * 2020-12-17 2021-02-26 贵州大学 Special strip type filling mining method
CN112502772A (en) * 2020-11-27 2021-03-16 安徽理工大学 Goaf solid waste-ultrahigh water paste alternating filling method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1737334A (en) * 2004-08-19 2006-02-22 神华集团有限责任公司 Method for preventing top plate from large area collapsing
CN101372891A (en) * 2008-06-10 2009-02-25 沈阳市华祥矿山机械厂 Strip filling integral backstopping coal mining method
CN103016053A (en) * 2012-12-07 2013-04-03 中国矿业大学 Method of local filling to control surface subsidence in gob
CN103742146A (en) * 2014-01-17 2014-04-23 淄博王煤矿业有限公司 Coal mining technology by pier stud type filling method
CN105332733A (en) * 2015-09-25 2016-02-17 山东科技大学 Strip filling method of conventional mining face goaf pumping cementing materials

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1737334A (en) * 2004-08-19 2006-02-22 神华集团有限责任公司 Method for preventing top plate from large area collapsing
CN101372891A (en) * 2008-06-10 2009-02-25 沈阳市华祥矿山机械厂 Strip filling integral backstopping coal mining method
CN103016053A (en) * 2012-12-07 2013-04-03 中国矿业大学 Method of local filling to control surface subsidence in gob
CN103742146A (en) * 2014-01-17 2014-04-23 淄博王煤矿业有限公司 Coal mining technology by pier stud type filling method
CN105332733A (en) * 2015-09-25 2016-02-17 山东科技大学 Strip filling method of conventional mining face goaf pumping cementing materials

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109681206A (en) * 2018-08-20 2019-04-26 华北科技学院 A method of filling control ground settlement of mining
CN109610622A (en) * 2018-11-05 2019-04-12 太原理工大学 A kind of coal mining area strip-type construction filling guarantor-water storage system
CN109610622B (en) * 2018-11-05 2021-04-06 太原理工大学 Filling, protecting and water storing system with strip-type structure for coal mining area
CN109611134A (en) * 2018-11-12 2019-04-12 山东科技大学 A kind of grouting cable anchor and strip filling method for loose media strip filling
CN109611134B (en) * 2018-11-12 2020-03-31 山东科技大学 Grouting anchor cable for filling loose body strips and strip filling method
CN109356582A (en) * 2018-11-15 2019-02-19 山东科技大学 A kind of filling mining method for comprehensive extracting and caving face
CN109356582B (en) * 2018-11-15 2019-09-03 山东科技大学 A kind of filling mining method for comprehensive extracting and caving face
WO2020098089A1 (en) * 2018-11-15 2020-05-22 山东科技大学 Filling mining method for fully mechanized top coal caving working face
CN112502772A (en) * 2020-11-27 2021-03-16 安徽理工大学 Goaf solid waste-ultrahigh water paste alternating filling method
CN112412459A (en) * 2020-12-17 2021-02-26 贵州大学 Special strip type filling mining method
CN112412459B (en) * 2020-12-17 2022-07-12 贵州大学 Special strip type filling mining method

Also Published As

Publication number Publication date
CN106150545B (en) 2018-05-04

Similar Documents

Publication Publication Date Title
CN110905515B (en) Combined filling mining method for complex ore body
CN106150545A (en) A kind of method carrying out goaf part filling according to roof caving feature
CN105971606B (en) A kind of thick sandstone coal wall recovery method
CN110778316B (en) Sublevel rock drilling stage open stope subsequent filling mining method adopting arched-arch-shaped top pillar structure
AU2013354613B2 (en) Method of local filling to control surface subsidence in worked-out area
CN103902780B (en) Solid filling coal mining earth&#39;s surface Deformation prediction method
CN102011611A (en) Strip-type filling method of high water-swelling material for controlling movement and deformation of overlying strata
CN106150546B (en) A kind of method that the filling of goaf part is carried out according to earth&#39;s surface subsidence
CN102251773B (en) Route type upward horizontal layered filling mining method suitable for extremely complex ore body mining
CN111828007B (en) Stoping method for residual studs in underground mine goaf
AU2015345830B2 (en) Coal mining method with digging, mining and filling parallel operations under control of cover rock cracks and surface subsidence
CN102011588A (en) House pillar type cutting and filling method of medium coal seam for controlling movement deformation of overlying rock
CN113175325B (en) Coal and intergrown sandstone type uranium ore coordinated mining method based on key layer protection
CN108518222A (en) Paste body filling combination top plate presplitting second mining super high seam stops the method for adopting line coal column
CN103244123B (en) High-dipping medium thick ore body mining method
CN102678121A (en) Layered top-controlling filling mining method for residual ores in deep hole in diskless area
CN108194132B (en) A kind of pier formula multi-arch type Mined-out Area control method
CN108087021A (en) A kind of method that filling coal mining recycling leaves coal column and water-resisting key strata is controlled to stablize
CN104675399B (en) Colliery digging fills integrated coal-mining method
CN104100271B (en) Pre-pick is led cave filling artificial side secondary multiplexing roadside support and is become lane method
CN105781551A (en) Horizontal strip type mixed filling mining method applicable to three-underground orebody mining
CN102979526B (en) Building process of ore removal trench by adopting filling method in medium-length hole sublevel mining
CN104453900A (en) Filling mining method of near-horizontal ore body
CN103161467B (en) Horizontal moderately thick mine body compartment type filling mining method
CN104265294B (en) Coal pillar-free mining method for blasting mining face of steeply dipping seam

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant