CN108167020A - A kind of large size geologic body controls a Controlling of Coal Outburst method of going into the well - Google Patents

A kind of large size geologic body controls a Controlling of Coal Outburst method of going into the well Download PDF

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Publication number
CN108167020A
CN108167020A CN201711151325.XA CN201711151325A CN108167020A CN 108167020 A CN108167020 A CN 108167020A CN 201711151325 A CN201711151325 A CN 201711151325A CN 108167020 A CN108167020 A CN 108167020A
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China
Prior art keywords
well
coal
geologic body
scale
stress
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Pending
Application number
CN201711151325.XA
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Chinese (zh)
Inventor
赵善坤
邓志刚
张宁博
欧阳振华
李海涛
苏振国
蒋军军
柴海涛
玄忠堂
马斌文
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China Coal Research Institute CCRI
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China Coal Research Institute CCRI
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Priority to CN201711151325.XA priority Critical patent/CN108167020A/en
Publication of CN108167020A publication Critical patent/CN108167020A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F17/00Methods or devices for use in mines or tunnels, not covered elsewhere
    • EFIXED CONSTRUCTIONS
    • E21EARTH 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42AMMUNITION; BLASTING
    • F42DBLASTING
    • F42D3/00Particular applications of blasting techniques
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06QDATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00Administration; Management
    • G06Q10/06Resources, workflows, human or project management, e.g. organising, planning, scheduling or allocating time, human or machine resources; Enterprise planning; Organisational models
    • G06Q10/063Operations research or analysis
    • G06Q10/0631Resource planning, allocation or scheduling for a business operation
    • G06Q10/06315Needs-based resource requirements planning or analysis
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06QDATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
    • G06Q50/02Agriculture; Fishing; Mining

Abstract

A kind of large size geologic body control is gone into the well a Controlling of Coal Outburst method, including establishing structure body Model, the key technologies such as stability analysis and bump Dominated Factors determine.The present invention can realize prevention and prevention to the pressure life of impact ground.

Description

A kind of large size geologic body controls a Controlling of Coal Outburst method of going into the well
Technical field
The present invention relates to a kind of large-scale geologic bodies to control a Controlling of Coal Outburst method of going into the well.
Background technology
At present, day is closely exhausted for superficial part coal resources, and China's coal-mine is just being extended every year with the speed of 10m/a to deep.It opens Adopt the increase of depth so that the factors such as mine coal measure strata geological structure, earth formation suffered on space scale influence by Step expands to mining area large scale.Coal measure strata structure in the range of field with "nine squares" between mine is in the horizontal by field with "nine squares" region large size geology The control of construction, in the longitudinal direction coal petrography column stress between by overlying rock weight stress, the exploitation disturbance of mine group's difference mine, well The factors such as superposition and the change of rock mechanics indepth property influence, and nearby coal measure strata structure is in a unstable height to stope Among the dynamic balancing of energy state.Practice have shown that between mine same coal seam or multiple seam because unreasonable development plan, back production design with And the digging factors such as continue influence, often cause the release suddenly of stope part elastomeric property or high-order thick hard rock beam cliff of displacement formula without Sequence is broken and larger impact dynamic load effect is formed to stope coal measure strata structure, and then it is non-steady to induce adjacent mines well high-energy amount Determine the linkage unstability in dynamic equilibrium region, lead to the generation of bump.But at present, large-scale geologic body control impacts ground between going into the well Effective solution is not still found in pressure prevention.
Invention content
The present invention provides a kind of large-scale geologic bodies to control a Controlling of Coal Outburst method of going into the well.It is described large size geologic body be Refer to the geologic structure of a mining area range.
The technical solution adopted by the present invention is as follows:
A kind of large size geologic body controls a Controlling of Coal Outburst method of going into the well, the single mine under being controlled with large-scale geologic body It for unit, is analyzed for the Geologic Structure Feature in the affiliated coalfield in mining area, while analyzes large-scale geologic body Controlled mobilization structure Interaction mode between distribution form, the position of active fault and the fault block made, and then determine the main tectonic stress field in mining area Feature;As unit of the single mine under the control of large-scale geologic body, carry out the survey on the spot of crustal stress to different level above and below mine Amount obtains the crustal stress distribution characteristics of mine;Geotechnical boring data in mining area is analyzed, while disclosed according to underground actual production Fault information, and based on coal measure strata and typical characteristics layer data, using different spaces interpolation method and geological statistics side Method carries out GEOLOGICAL INTERPRETATION deduction, architectonic discontinuous by introducing enhancing function characterization, and then draws out comprising large-scale ground Plastid spatial feature in combination with the practical exploitation situation of adjacent mine different level, is established under large-scale geologic body control Unitized production geologic structure model between well;Integrated use structural mechanics and engineering mechanics relevant knowledge, laminar structure is in standard over the ground Structure characteristic parameters under static conditions carry out analysis quantization, establish the corresponding quasi-static equation of structure;By " overlying strata are migrated → split The lithostructure body mechanics of gap extension → rock stratum fracture → bulk movement → structural form ", to coal rock layer migration stage into The large-scale three dimensional similarity simulation experiment of the lower coal rock layer of large-scale geologic body control is established in row classification, and lithostructure body exists between simulating well The stress field Evolution in each stage under the conditions of true triaxial, and obtain the stress and displacement condition of structure unstability;Meanwhile it utilizes Mainframe computer on the basis of a unitized production geologic structure model is gone into the well in the control of large-scale geologic body, establishes numerical simulator The large-scale geologic body control of analysis goes into the well the multilevel seam mining of unitized production geological substance and induces ground settlement deformation, interior Portion's Stress relief and evolution, the space-time response relation of malformation rupture, obtain large-scale geologic body and control a coal measure strata of going into the well Structure body stress develops and the Characteristics of spatio-temporal of structure fracture unstability, and then establishes large-scale geologic body control with going into the well a coal measures Laminar structure dynamic buckling catastrophic model from stress, strain and the angle of displacement, establishes the amount of linkage bump generation between well Change criterion, determining, which influences large-scale geologic body, controls a Dominated Factors for coal measure strata structure linkage unstability of going into the well;For because of ground Matter tectonic activization and Coal-body Structure unstability between the well that induces, are more than by an initial field stress of going into the well to Geological Structure Effect High-strength CUMULATIVE BLASTING is implemented in 30MPa regions, increases the region coal and rock crushed zone range and coal petrography degree of fragmentation;For because of goaf Outstanding product of showing up is excessive or lithostructure body overall collapse between well is induced due to individual well different level coal column unstability, by using coal Ore deposit paste body filling technology is reinforced the coal column or goaf that influence structural instability by the way of joint slip casting above and below the well and is filled It fills out.
Lithostructure body under mining influence, due to stope sand coated iron mold with the exploitation disturbance of working face in the disconnected unstability that do not collapse Before, it is similar in a kind of stationary state, but due to the exploitation in coal seam, is tied when " coal seam-overlying strata " is regarded as unified During structure, overlying strata are in by the stage for disturbing slow Light deformation again, and when seam mining area is sufficiently large, overlying strata, which hang to show up, to be accumulated It is long, it can just induce the overall collapse of Coal-body Structure.For this purpose, by overlying strata disturbed in this stage and the state of fine motion definition subject to it is quiet State.
The above technical solution of the present invention has the following advantages over the prior art:
(1) a kind of large-scale geologic body provided by the invention controls a Controlling of Coal Outburst method of going into the well, using different spaces Interpolation method and Geo-statistic Method carry out GEOLOGICAL INTERPRETATION deduction, and architectonic discontinuous feature is characterized introducing enhancing function On the basis of, it draws comprising large-scale geologic body spatial feature, therefore, the present invention can be containing latent macrotectonics geologic body Spatial in mine geology unit is portrayed provides guidance with Geologic modeling.
(2) a kind of large-scale geologic body provided by the invention controls a Controlling of Coal Outburst method of going into the well, by effectively determining Lithostructure body mechanics, classifies to coal rock layer migration stage, establishes the large size of the lower coal rock layer of large-scale geologic body control Three-dimensional similar simulation experimental, therefore, the present invention can more realistically obtain the stress of large-scale geologic body control lower structure body unstability And displacement condition.
(3) a kind of large-scale geologic body provided by the invention controls a Controlling of Coal Outburst method of going into the well, by using large size Computer on the basis of a unitized production geologic structure model is gone into the well in the control of large-scale geologic body, establishes numerical simulator analysis The control of large-scale geologic body go into the well the multilevel seam mining of unitized production geological substance and induce ground settlement deformation, it is internal should Power adjustment and evolution, the space-time response relation of malformation rupture, obtain large-scale geologic body and control a coal measure strata structure of going into the well Body stress develops and the Characteristics of spatio-temporal of structure fracture unstability, and then establishes large-scale geologic body and control a coal measure strata knot of going into the well Structure body dynamic buckling catastrophic model from stress, strain and the angle of displacement, is established the quantization that linkage bump between well occurs and is sentenced According to determining, which influences large-scale geologic body, controls go into the well a Dominated Factors for coal measure strata structure linkage unstability, therefore, energy of the present invention Enough more obtaining large-scale geologic body from mechanism level controls a bump of going into the well that a key influence factor occurs.
(4) a kind of large-scale geologic body provided by the invention controls a Controlling of Coal Outburst method of going into the well, by taking cut-out Initial field stress is more than the ability that 30MPa is continuously transmitted between well, avoids major fault between inducing well due to individual well fault activation whole The chain rupture of activation increases consumption erosion control technology, and therefore, the present invention can effectively prevent and prevent to impact between large-scale geologic body control is gone into the well Ground pressure.
(5) a kind of large-scale geologic body provided by the invention controls a Controlling of Coal Outburst method of going into the well, by taking control The sag of goaf overlying rock and avoid its fracture, increase the stability of coal column, and then realize to because of individual well structure Unstability and the steady structure erosion control technology of energy-absorbing for inducing lithostructure body overall collapse between well, therefore, the present invention can be significantly more efficient Prevention and the large-scale geologic body of prevention control a bump of going into the well.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, embodiment of the present invention will be made into one below Step ground detailed description.
The large size geologic body controls a Controlling of Coal Outburst method of going into the well, the single mine under being controlled with large-scale geologic body It for unit, is analyzed for the Geologic Structure Feature in the affiliated coalfield in mining area, while analyzes large-scale geologic body Controlled mobilization structure Interaction mode between distribution form, the position of active fault and the fault block made, and then determine the main tectonic stress field in mining area Feature;As unit of the single mine under the control of large-scale geologic body, carry out the survey on the spot of crustal stress to different level above and below mine Amount obtains the crustal stress distribution characteristics of mine;Geotechnical boring data in mining area is analyzed, while disclosed according to underground actual production Fault information, and based on coal measure strata and typical characteristics layer data, using different spaces interpolation method and geological statistics side Method carries out GEOLOGICAL INTERPRETATION deduction, architectonic discontinuous by introducing enhancing function characterization, and then draws out comprising large-scale ground Plastid spatial feature in combination with the practical exploitation situation of adjacent mine different level, is established under large-scale geologic body control Unitized production geologic structure model between well;Integrated use structural mechanics and engineering mechanics relevant knowledge, laminar structure is in standard over the ground Structure characteristic parameters under static conditions carry out analysis quantization, establish the corresponding quasi-static equation of structure;By " overlying strata are migrated → split The lithostructure body mechanics of gap extension → rock stratum fracture → bulk movement → structural form ", to coal rock layer migration stage into The large-scale three dimensional similarity simulation experiment of the lower coal rock layer of large-scale geologic body control is established in row classification, and lithostructure body exists between simulating well The stress field Evolution in each stage under the conditions of true triaxial, and obtain the stress and displacement condition of structure unstability;Meanwhile it utilizes Mainframe computer on the basis of a unitized production geologic structure model is gone into the well in the control of large-scale geologic body, establishes numerical simulator The large-scale geologic body control of analysis goes into the well the multilevel seam mining of unitized production geological substance and induces ground settlement deformation, interior Portion's Stress relief and evolution, the space-time response relation of malformation rupture, obtain large-scale geologic body and control a coal measure strata of going into the well Structure body stress develops and the Characteristics of spatio-temporal of structure fracture unstability, and then establishes large-scale geologic body control with going into the well a coal measures Laminar structure dynamic buckling catastrophic model from stress, strain and the angle of displacement, establishes the amount of linkage bump generation between well Change criterion, determining, which influences large-scale geologic body, controls a Dominated Factors for coal measure strata structure linkage unstability of going into the well;For because of ground Matter tectonic activization and Coal-body Structure unstability between the well that induces, are more than by an initial field stress of going into the well to Geological Structure Effect High-strength CUMULATIVE BLASTING is implemented in 30MPa regions, increases the region coal and rock crushed zone range and coal petrography degree of fragmentation;For because of goaf Outstanding product of showing up is excessive or lithostructure body overall collapse between well is induced due to individual well different level coal column unstability, by using coal Ore deposit paste body filling technology is reinforced the coal column or goaf that influence structural instability by the way of joint slip casting above and below the well and is filled It fills out.
In the present embodiment, large-scale geologic body is established using 3D printer and controls a unitized production geologic structure mould of going into the well Type.
Obviously, the above embodiments are merely examples for clarifying the description, and is not intended to limit the embodiments.It is right For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or It changes.There is no necessity and possibility to exhaust all the enbodiments.And the obvious variation thus extended out or Variation is still in the protection scope of this invention.

Claims (1)

  1. An a kind of Controlling of Coal Outburst method 1. large size geologic body control is gone into the well, it is characterised in that:Under being controlled with large-scale geologic body Single mine for unit, analyzed for the Geologic Structure Feature in the affiliated coalfield in mining area, while analyze large-scale geologic body control Interaction mode between the lower distribution form of active tectonics of system, the position of active fault and fault block, and then determine the main structure in mining area Make the feature of stress field;As unit of the single mine under the control of large-scale geologic body, different level above and below mine is answered with carrying out The field survey of power obtains the crustal stress distribution characteristics of mine;Geotechnical boring data in mining area is analyzed, while according to underground reality Produce the fault information disclosed, and based on coal measure strata and typical characteristics layer data, using different spaces interpolation method and Geo-statistic Method carries out GEOLOGICAL INTERPRETATION deduction, architectonic discontinuous by introducing enhancing function characterization, and then draws out Comprising large-scale geologic body spatial feature, in combination with the practical exploitation situation of adjacent mine different level, large-scale ground is established Plastid controls a unitized production geologic structure model of going into the well;Integrated use structural mechanics and engineering mechanics relevant knowledge, to stratum Structure characteristic parameters of the structure under the conditions of quasi-static carry out analysis quantization, establish the corresponding quasi-static equation of structure;By " covering The lithostructure body mechanics of rock migration → crack propagation → rock stratum fracture → bulk movement → structural form ", to coal rock layer Migration stage is classified, and is established the large-scale three dimensional similarity simulation experiment of the lower coal rock layer of large-scale geologic body control, is simulated coal between well The stress field Evolution in rock structure each stage under the conditions of true triaxial, and obtain the stress of structure unstability and displacement item Part;Meanwhile it using mainframe computer, on the basis of a unitized production geologic structure model is gone into the well in the control of large-scale geologic body, establishes The large-scale geologic body of numerical simulator analysis, which controls, goes into the well the multilevel seam mining of unitized production geological substance and induces ground Table sedimentation and deformation, internal stress adjustment and evolution, the space-time response relation of malformation rupture are obtained under large-scale geologic body control The Characteristics of spatio-temporal of the evolution of coal measure strata structure body stress and structure fracture unstability between well, and then establish large-scale geologic body control It goes into the well a coal measure strata structure dynamic buckling catastrophic model, from stress, strain and the angle of displacement, establishes between well the impact that links The quantization criterion of ground pressure life, determine to influence large-scale geologic body control go into the well a master control for coal measure strata structure linkage unstability because Element;For Coal-body Structure unstability between the well induced due to geological structure activates, by initial between going into the well to Geological Structure Effect Crustal stress is more than 30MPa regions and implements explosion, increases the region coal and rock crushed zone range and coal petrography degree of fragmentation;For because mined out Area, which hangs, shows up long-pending excessive or lithostructure body overall collapse between well is induced due to individual well different level coal column unstability, by using Coal mine paste filling technology is reinforced the coal column or goaf that influence structural instability by the way of joint slip casting above and below the well and is filled It fills out.
CN201711151325.XA 2017-11-18 2017-11-18 A kind of large size geologic body controls a Controlling of Coal Outburst method of going into the well Pending CN108167020A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114737973A (en) * 2022-04-20 2022-07-12 南京工业大学 Construction method for vertical shaft construction to penetrate through hectometer-level structural fracture zone stratum
CN114737973B (en) * 2022-04-20 2022-12-27 南京工业大学 Construction method for vertical shaft construction to penetrate through hectometer-level structural fracture zone stratum

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CN103291364A (en) * 2013-06-21 2013-09-11 中国矿业大学 Microearthquake multi-dimensional information comprehensive timing sequence early-warning method for rock burst
CN103424769A (en) * 2013-04-26 2013-12-04 上海申丰地质新技术应用研究所有限公司 Combined multi-wave seismic exploration method in gob
CN104653226A (en) * 2014-12-26 2015-05-27 中国矿业大学 Stress-gradient-based method for dividing coal impact ground pressure danger area
CN106285782A (en) * 2016-08-30 2017-01-04 中国矿业大学(北京) Bump method for early warning under a kind of complicated geological Environmental effect and system
WO2017136208A1 (en) * 2016-02-03 2017-08-10 Schlumberger Technology Corporation Downhole modeling using inverted pressure and regional stress

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RU2403393C2 (en) * 2008-09-25 2010-11-10 РОССИЙСКАЯ ФЕДЕРАЦИЯ, от имени которой выступает ФЕДЕРАЛЬНОЕ АГЕНТСТВО ПО ЭНЕРГЕТИКЕ Testing device of instruments and elements of systems of air-and-gas and dust control of well atmosphere
CN103424769A (en) * 2013-04-26 2013-12-04 上海申丰地质新技术应用研究所有限公司 Combined multi-wave seismic exploration method in gob
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CN104653226A (en) * 2014-12-26 2015-05-27 中国矿业大学 Stress-gradient-based method for dividing coal impact ground pressure danger area
WO2017136208A1 (en) * 2016-02-03 2017-08-10 Schlumberger Technology Corporation Downhole modeling using inverted pressure and regional stress
CN106285782A (en) * 2016-08-30 2017-01-04 中国矿业大学(北京) Bump method for early warning under a kind of complicated geological Environmental effect and system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114737973A (en) * 2022-04-20 2022-07-12 南京工业大学 Construction method for vertical shaft construction to penetrate through hectometer-level structural fracture zone stratum
CN114737973B (en) * 2022-04-20 2022-12-27 南京工业大学 Construction method for vertical shaft construction to penetrate through hectometer-level structural fracture zone stratum

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Application publication date: 20180615