CN106405049A - Fault and secondary fault activated induced confined water gushing test method and system - Google Patents
Fault and secondary fault activated induced confined water gushing test method and system Download PDFInfo
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- CN106405049A CN106405049A CN201610841566.6A CN201610841566A CN106405049A CN 106405049 A CN106405049 A CN 106405049A CN 201610841566 A CN201610841566 A CN 201610841566A CN 106405049 A CN106405049 A CN 106405049A
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- 239000000463 material Substances 0.000 claims abstract description 26
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- 229920001971 elastomer Polymers 0.000 claims abstract description 17
- 238000002474 experimental method Methods 0.000 claims abstract description 10
- 230000007420 reactivation Effects 0.000 claims abstract description 10
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- 238000003325 tomography Methods 0.000 claims description 63
- 238000012360 testing method Methods 0.000 claims description 32
- 210000005239 tubule Anatomy 0.000 claims description 28
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- DNHVXYDGZKWYNU-UHFFFAOYSA-N lead;hydrate Chemical compound O.[Pb] DNHVXYDGZKWYNU-UHFFFAOYSA-N 0.000 claims description 4
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- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 claims description 3
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
Abstract
The invention discloses a fault and secondary fault activated induced confined water gushing test method and a system. The specific structure of the system comprises a similar material simulator stand, a confined water loading system, and a confined water rising guiding system; the similar material simulator stand is a universal two-dimensional testbed; the confined water loading system is composed of a confined water pressurizing device, a water injection pipeline, a water return pipeline, and a computer-control system; the confined water rising guiding system is composed of a water bag, a water insulation layer steel plate, a rising guiding rubber tube, and a thin drain pipe; an original non-water permeability fault is arranged on the similar material simulator stand; the confined water loading system is used for stimulating floor pressurized water; the confined water rising guiding system is used for stimulating flow of confined water along the fault; the influences of experiment parameters on the fault and secondary fault reactivation-induced water-conducting are achieved via changing the experiment parameters such as confined water pressure, fault zone width, advance speed, and distances, and simulated reconstruction of the whole process of water gushing is realized.
Description
Technical field
The present invention relates to a kind of coal mine flood test method and system, specially tomography and secondary fault activation induction pressure-bearing
Water is dashed forward and is gushed test method and system.
Background technology
Easily adopt the continuous minimizing of coal resources with superficial part, pit mining depth continues to increase, and the thing followed is various
Deep mining safety problem and technical barrier.The lower artesian water of high-ground stress effect prominent retention of excessive fluid evil problem has become the weight of deep mining
Want one of disaster, and the non-water conductive fault being caused by Seam Mining（The secondary of single tomography, mine or section boundary major fault is broken
Layer）Activation induction artesian water is dashed forward, and to gush be the main form of expression of Deep Mine water damage, especially in Shandong and two Hua Areas mining area, breaks
The artesian water accident of gushing of dashing forward of layer and secondary fault activation induction accounts for more than the 60% of mine water disaster accident, seriously governs deep
The safety and high efficiency of coal resources.
Based on theoretical derivation and numbered analog simulation, Seam Mining is caused with tomography and secondary fault activation induction artesian water
Achieved with a large amount of achievements, laboratory experiment aspect, mainly with undersized rock for the research of the aspects such as the prominent mechanism gushed, influence factor
The correlation properties of inverting tomography simulated by stone test specimen, disclose destruction mechanism of water inrush and the mistake of tomography and secondary fault to a certain extent
Journey, but it is limited by experimental technique and experimental provision, to how each factor of quantitative description is held to tomography and secondary fault activation induction
Pressure water is dashed forward and is gushed degree of strength, the such as how indoor reproduction tomography of vast scale scale model experiment and the secondary fault activation gushing water of impact
The research of the aspects such as overall process still Shortcomings, fail to disclose tomography further deeply and secondary fault activation induction artesian water are dashed forward
The mechanism gushed and process.
Content of the invention
In view of problem above, it is an object of the invention to provide a kind of tomography and secondary fault activation induction artesian water are dashed forward and are gushed
Test method and system, laboratory simulation reproduces gushing water overall process, and quantitative analyses artesian pressure, tomography bandwidth, propulsion
The impact degree of strength to gushing water for the factor such as speed and distance.
For achieving the above object, the present invention takes technical scheme below：
A kind of tomography and secondary fault activation induction artesian water are dashed forward and are gushed test method and system, including Equivalent Materials Testing
Platform, artesian water loading system and artesian water lead a liter system, and wherein, described Equivalent Materials Testing platform is tested for Versatile two-dimension
Platform, described artesian water loading system is made up of artesian water pressue device, water injecting pipeline, water return pipeline and computer control system,
Described artesian water lead liter system by water pocket, water barrier steel plate, lead liter sebific duct and draining tubule forms.
A kind of described tomography and secondary fault activation induction artesian water dash forward gush test method and system it is characterised in that
Described Equivalent Materials Testing platform is Versatile two-dimension testing stand, including base, framework, hydraulic loaded jack and two side blocks
Plate, described baffle plate is square channel-section steel, can be bolted on framework, and one piece of baffle plate two ends of selection are stayed and set circular hole.
A kind of described tomography and secondary fault activation induction artesian water dash forward gush test method and system it is characterised in that
Described artesian water pressue device is made up of force (forcing) pump and pressurized tank, and described force (forcing) pump is gas liquid two purpose, and described water injecting pipeline is by list
To control valve, digital pressure gauge and voltage regulation adjustor composition, described water return pipeline is by overflow valve, digital pressure gauge, unidirectional control
Valve processed and recycling can composition, described voltage regulation adjustor and overflow valve are connected with computer control system.
A kind of described tomography and secondary fault activation induction artesian water dash forward gush test method and system it is characterised in that
Described water pocket is square, and main material is rubber, and scalability and ductility are good, and water pocket width is Equivalent Materials Testing platform
Width, highly for the height of monolithic baffle plate, adjustable in length, interface is left in water pocket both sides, and described water pocket interface passes through baffle plate two
End stays the circular hole setting to be connected with water injecting pipeline and water return pipeline respectively, and described water barrier steel plate is the Q235 steel of the same size of polylith
Plate, be evenly arranged at a certain distance with the baffle plate of water pocket same level on, steel plate length is testing stand width, described leads a liter glue
Manage as flexible hose, deformability is preferable；Described draining tubule is latex tubing, and end carries controlling switch, and draining tubule is pressed
One determining deviation is uniformly connected on water conduction rubber hose.
A kind of tomography and secondary fault activation induction artesian water are dashed forward and are gushed test method and system it is characterised in that test side
Method, principle are as follows：
Original non-water conductive fault model is laid in proportion on testing stand with analog material, places water pocket, simulation in pattern board
Base plate artesian water, uniformly lays water barrier steel plate on two side shields with water pocket same level at a certain distance, simulates coal seam
After excavation, water-resisting floor destroys the articulated structure being formed, along testing stand width（Fault strike）Lay different breaking successively
Layer bandwidth degree, along testing stand short transverse（Tomography is inclined to）Lay water conduction rubber hose successively at different tomography bandwidth, by one
Draining tubule is uniformly connected by determining deviation with leading a liter sebific duct, by the drainage situation of various location draining tubule, determines pressure-bearing
The rising height of water, and then simulate the embodiment influence degree to tomography and secondary fault Reactivation-induced Water-conducting for the shear-zone width.
By outside artesian water loading system, provide water pressure to base plate water pocket, adjusted by computer control system
Control the voltage regulation adjustor of water injecting pipeline and the overflow valve of water return pipeline, realize the linear regulation of water pocket internal water pressure and stablize
Property, by changing the change of water body pressure simulation base plate artesian pressure in water pocket, and then embody artesian pressure to tomography and
The influence degree of secondary fault Reactivation-induced Water-conducting.
By changing a rate of advance in coal seam and the distance away from tomography in model, simulation embodies fltting speed, distance to disconnected
Layer and the influence degree of secondary fault Reactivation-induced Water-conducting.
A kind of tomography and secondary fault activation induction artesian water dash forward gush test method and system it is characterised in that include with
Lower step：
The first step：Original geologic information according to residing for tomography and secondary fault, design similar material mixture and related experiment ginseng
Number, especially tomography bandwidth, lay water pocket, water barrier steel plate, coal seam and top rock stratum successively accordingly, along testing stand width side
To the shear-zone laying different in width successively, at different tomography bandwidth, lay water conduction rubber hose successively, and by each water guide glue
Pipe is connected with water pocket.
Second step：From water barrier steel plate same level position, along a determining deviation uniformly by draining tubule and water guide glue
Pipe is connected, and draining tubule is led to model surface.
3rd step：Successively unidirectionally controlled valve, digital pressure gauge, voltage regulation adjustor are coupled together formation water injecting pipeline,
And be connected with water pocket, force (forcing) pump and pressurized tank are coupled together formation pressue device, and is connected with water injecting pipeline, will be unidirectionally controlled
Valve, digital pressure gauge, overflow valve, recycling can couple together formation water return pipeline, and are connected with water pocket, by voltage regulation adjustor,
Overflow valve is connected with computer control system.
4th step：Start force (forcing) pump and the water body in pressurized tank is added to certain pressure, and pressure is more than required by experiment
Maximum artesian pressure, controls the voltage regulation adjustor of water injecting pipeline and the overflow valve of water return pipeline by computer control system,
Water body pressure in precise control water pocket.
5th step：By certain step pitch, coal seam is excavated, monitor the draining feelings of different advance distance draining tubules
Condition, is changed the water pressure in water pocket successively by certain amplitude, further looks at the drainage situation of draining tubule and related data
Changing Pattern.
The invention provides a kind of tomography and secondary fault activation induction artesian water are dashed forward and gushed test method and system, and existing
Technology is compared, and its advantage is：Based on Equivalent Materials Testing platform, laid on testing stand containing original non-with analog material
The geological model of water conductive fault, simulates artesian water by artesian water loading system, leads a liter system simulation artesian water by artesian water
Along the flowing of tomography, its impact to tomography and secondary fault Reactivation-induced Water-conducting of numerical value quantitative description by change correlative factor is strong
Weak degree, laboratory reappearance tomography and secondary fault activation induction artesian water are dashed forward and are gushed overall process.
Brief description
Fig. 1 is overall structure and the schematic device of the present invention；
Fig. 2 is that in the present invention, artesian water leads a liter system structure diagram；
Fig. 3 is model cross section of the present invention（Tomography bandwidth, water conduction rubber hose and draining tubule arrangement）Schematic diagram；
In figure：Equivalent Materials Testing platform 1, base 11, framework 12, hydraulic loaded jack 13, baffle plate channel-section steel 14, coal seam
15th, top rock stratum 16, tomography and secondary fault 17, tomography bandwidthB；Artesian water leads liter system 2, water pocket 21, water barrier steel plate
22nd, water conduction rubber hose 23, draining tubule 24；Artesian water loading system 3, water injecting pipeline 31, water return pipeline 32, force (forcing) pump 33, pressure
Tank 34, computer control system 35, unidirectionally controlled valve 36, digital pressure gauge 37, voltage regulation adjustor 38, overflow valve 39, recovery
Tank 30.
Specific embodiment
For making technical scheme become apparent from, clearly, describe a kind of tomography and secondary in detail below in conjunction with accompanying drawing
Fault activation induction artesian water is dashed forward and is gushed concrete structure, test method, principle and the step of test method and system：
The invention discloses a kind of tomography and secondary fault activation induction artesian water are dashed forward and are gushed test method and system, as shown in Figure 1, Figure 2
With shown in Fig. 3, lead liter system 2 and artesian water loading system 3 including Equivalent Materials Testing platform 1, artesian water, wherein, described
Equivalent Materials Testing 1 be Versatile two-dimension testing stand, described artesian water loading system 3 by artesian water pressue device 33 and 34,
Water injecting pipeline 31, water return pipeline 32 and computer control system 35 form, and described artesian water leads liter system by water pocket 21, water barrier
Steel plate 22, lead liter sebific duct 23 and draining tubule 24 forms.
Described Equivalent Materials Testing platform 1 is Versatile two-dimension testing stand, including base 11, framework 12, hydraulic loaded thousand
Jin top 13 and two side shields 14；Described baffle plate 14 is square channel-section steel, can be bolted on framework 12, chooses one piece of baffle plate
14 two ends are stayed and are set circular hole.
Described artesian water pressue device is made up of force (forcing) pump 33 and pressurized tank 34, and described force (forcing) pump 33 is gas liquid two purpose；Institute
State water filling 31 pipeline to be made up of unidirectionally controlled valve 36, digital pressure gauge 37 and voltage regulation adjustor 38；Described water return pipeline 32 by
Overflow valve 39, digital pressure gauge 37, unidirectionally controlled valve 36 and recycling can 30 form；Described voltage regulation adjustor 38 and overflow valve 39
It is connected with computer control system 35.
Described water pocket 21 is square, and main material is rubber, and scalability and ductility are good, and water pocket 21 width is similar material
Material simulator stand 1 width, highly for the height of baffle plate 14, adjustable in length, interface is left in water pocket 21 both sides；Described water pocket 21
Interface stays the circular hole setting to be connected with water injecting pipeline 31 and water return pipeline 32 by baffle plate 14 two ends；Described water barrier steel plate 22 is many
The Q235 steel plate of the same size of block, be uniformly placed at a certain distance with the baffle plate 14 of water pocket 21 same level on, water barrier steel
Plate 22 length is testing stand 1 width；Described liter sebific duct 23 of leading is flexible hose；Described draining tubule 24 is latex tubing, end
With controlling switch；Described draining tubule 24 is uniformly connected on water conduction rubber hose 23 at a certain distance.
A kind of above-mentioned tomography and secondary fault activation induction artesian water are dashed forward and are gushed test method and system, its test method and former
Reason is as follows：
Original non-water conductive fault model is laid in proportion on testing stand 1 with analog material, places water pocket 21, mould in pattern board
Intend base plate artesian water, two side shields 14 with water pocket 21 same level uniformly lay water barrier steel plate 22 at a certain distance,
After simulation coal seam is excavated, water-resisting floor destroys the articulated structure being formed, along testing stand 1 width（Fault strike）Spread successively
If different tomography bandwidthB, along testing stand 1 short transverse（Tomography is inclined to）In different tomography bandwidthBPlace lays successively
Draining tubule 24 is uniformly connected by water conduction rubber hose 23 at a certain distance with leading liter sebific duct 23, by various location draining tubule
24 drainage situation, determines the rising height of artesian water, and then simulates embodiment shear-zone widthBTo tomography and secondary fault activation
The influence degree of water guide.
By outside artesian water loading system 3, provide water pressure to base plate water pocket 21, by computer control system 35
Adjust and control the voltage regulation adjustor 38 of water injecting pipeline 31 and the overflow valve 39 of water return pipeline 32, realize the line of water pocket 21 internal water pressure
Property adjust and stability, by change water pocket 21 in water body pressure simulation base plate artesian pressure change, and then embody pressure-bearing
The influence degree to tomography and secondary fault Reactivation-induced Water-conducting for the water pressure.
By changing a rate of advance in coal seam 15 and the distance away from tomography 17 in model, simulation embodies fltting speed, distance
Influence degree to tomography and secondary fault Reactivation-induced Water-conducting.
A kind of above-mentioned tomography and secondary fault activation induction artesian water are dashed forward and are gushed test method and system, and it includes following step
Suddenly：
The first step：Original geologic information according to residing for tomography and secondary fault, design similar material mixture and related experiment ginseng
Number, especially tomography bandwidthB, lay water pocket 21, water barrier steel plate 22, coal seam 15 and top rock stratum 16 successively accordingly, along examination
Test platform 1 width and lay different tomography bandwidth successivelyB, in different tomography bandwidthBWater conduction rubber hose is laid at place successively
23, and each water conduction rubber hose is connected with water pocket 21.
Second step：From water barrier steel plate 22 same level position, along a determining deviation uniformly by draining tubule 24 with lead
Glue pipe 23 is connected, and draining tubule 24 is led to model surface.
3rd step：Successively unidirectionally controlled valve 36, digital pressure gauge 37, voltage regulation adjustor 38 are coupled together formation water filling
Pipeline 31, and being connected with water pocket 21, force (forcing) pump 31 and pressurized tank 32 are coupled together formation pressue device, and with water injecting pipeline 31
Connect, unidirectionally controlled valve 36, digital pressure gauge 37, overflow valve 39, recycling can 30 are coupled together formation water return pipeline 32, and
It is connected with water pocket 21, voltage regulation adjustor 38, overflow valve 39 are connected with computer control system 35.
4th step：Start force (forcing) pump 31 and the water body in pressurized tank 32 is added to certain pressure, and pressure is more than experiment and is wanted
The maximum artesian pressure asked, controls voltage regulation adjustor 38 and the water return pipeline of water injecting pipeline 31 by computer control system 35
32 overflow valve 39, water body pressure in precise control water pocket 21.
5th step：By certain step pitch, coal seam 15 is excavated, the draining of the different advance distance draining tubule 24 of monitoring
Situation, changes the pressure in water pocket 21 successively by certain amplitude, further looks at drainage situation and the dependency number of draining tubule 24
According to Changing Pattern.
Certainly, described above is not limitation of the present invention, and the present invention is also not limited to the example above, and this technology is led
Change, remodeling, interpolation or replacement that the technical staff in domain is made in the essential scope of the present invention, fall within the guarantor of the present invention
Shield scope.
Claims (5)
1. a kind of tomography and secondary fault activation induction artesian water are dashed forward and are gushed test method and system, and concrete structure includes, similar material
Material simulator stand, artesian water loading system and artesian water lead a liter system；Wherein, described Equivalent Materials Testing platform is general
Two-dimentional testing stand, described artesian water loading system is by artesian water pressue device, water injecting pipeline, water return pipeline and computer controls system
System composition, described artesian water lead liter system by water pocket, water barrier steel plate, lead liter sebific duct and draining tubule forms.
2. a kind of tomography according to claim 1 and secondary fault activation induction artesian water are dashed forward and are gushed test method and system,
It is characterized in that, described artesian water pressue device is made up of force (forcing) pump and pressurized tank, and described force (forcing) pump is gas liquid two purpose；Described note
Water lines are made up of unidirectionally controlled valve, digital pressure gauge and voltage regulation adjustor；Described water return pipeline is by overflow valve, digital pressure
Table, unidirectionally controlled valve and recycling can composition；Described voltage regulation adjustor and overflow valve are connected with computer control system.
3. a kind of tomography according to claim 1 and secondary fault activation induction artesian water are dashed forward and are gushed test method and system,
It is characterized in that, described water pocket is square, and main material is rubber, and scalability and ductility are good, and water pocket width is similar material
Material simulator stand width, highly for the height of baffle plate, adjustable in length, interface is left in water pocket both sides；Described water pocket interface leads to
Overtesting platform baffle plate two ends stay the circular hole setting to be connected with water injecting pipeline and water return pipeline；Described water barrier steel plate is the same chi of polylith
Very little Q235 steel plate, be evenly arranged at a certain distance with the baffle plate of water pocket same level on, steel plate length be testing stand width；
Described liter sebific duct of leading is flexible hose, and deformability is preferable；Described draining tubule is latex tubing, and end carries controlling switch,
And be uniformly connected at a certain distance on water conduction rubber hose.
4. a kind of tomography as claimed in claim 1 and secondary fault activation induction artesian water are dashed forward and are gushed test method and system, its
It is characterised by, test method is as follows：Original non-water conductive fault model is laid in proportion on testing stand with analog material, in model
Base plate places water pocket, simulates base plate artesian water；On two side shields with water pocket same level at a certain distance uniformly laying every
Water layer steel plate, after simulation coal seam is excavated, water-resisting floor destroys the articulated structure being formed；Along testing stand width（Tomography is walked
To）Lay different tomography bandwidth successively, along testing stand short transverse（Tomography is inclined to）At different tomography bandwidth according to
Draining tubule is connected, by the row of various location draining tubule by secondary laying water conduction rubber hose at a certain distance with leading a liter sebific duct
Regimen condition, determines the rising height of artesian water, and then simulates and embody shear-zone width to tomography and secondary fault Reactivation-induced Water-conducting
Influence degree；
By outside artesian water loading system, provide water pressure to base plate water pocket；Adjusted by computer control system and control
The voltage regulation adjustor of water injecting pipeline and the overflow valve of water return pipeline, realize linear regulation and the stability of water pocket internal water pressure, lead to
Cross the change changing water body pressure simulation base plate artesian pressure in water pocket, and then embody artesian pressure to tomography and secondary disconnected
The influence degree of layer Reactivation-induced Water-conducting；By changing a rate of advance in coal seam and the distance away from tomography in model, simulation embodies propulsion
Speed, the distance influence degree to tomography and secondary fault Reactivation-induced Water-conducting.
5. a kind of tomography as claimed in claim 1 and secondary fault activation induction artesian water are dashed forward and are gushed test method and system, its
It is characterised by, comprise the following steps：
The first step：Original geologic information according to residing for tomography and secondary fault, design similar material mixture and related experiment ginseng
Number, especially tomography bandwidth, lay water pocket, water barrier steel plate, coal seam and top rock stratum accordingly successively；Along testing stand width side
To the shear-zone laying different in width successively, at different tomography bandwidth, lay water conduction rubber hose successively, and by each water guide glue
Pipe is connected with water pocket；
Second step：From water barrier steel plate same level position, along a determining deviation uniformly by draining tubule and water conduction rubber hose phase
Connect, and draining tubule is led to model surface；
3rd step：Successively unidirectionally controlled valve, digital pressure gauge, voltage regulation adjustor are coupled together formation water injecting pipeline, and with
Water pocket connects；Force (forcing) pump and pressurized tank are coupled together formation pressue device, and is connected with water injecting pipeline；By one-way control valve
Door, digital pressure gauge, overflow valve, recycling can couple together formation water return pipeline, and are connected with water pocket；By voltage regulation adjustor, overflow
Stream valve is connected with computer control system；
4th step：Start force (forcing) pump and the water body in pressurized tank is added to certain pressure, and pressure is more than the required maximum of experiment
Artesian pressure；The voltage regulation adjustor of water injecting pipeline and the overflow valve of water return pipeline are controlled by computer control system, accurately
Control water body pressure in water pocket；
5th step：By certain step pitch, coal seam is excavated, monitor the drainage situation of different advance distance draining tubules；Press
Certain amplitude changes the water pressure in water pocket successively, further looks at the drainage situation of draining tubule and the change of related data
Rule.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107290501A (en) * | 2017-05-27 | 2017-10-24 | 莫纳什大学 | Filling medium seepage failure gushing water experimental provision and method inside the tomography type geological structure of crack |
| CN108444833A (en) * | 2018-05-11 | 2018-08-24 | 山东科技大学 | A kind of experimental rig of simulation forward and reverse fault development |
| CN108955825A (en) * | 2018-05-18 | 2018-12-07 | 山东科技大学 | Artesian water level measurement device and method in a kind of Water Inrush simulated experiment |
| CN108956933A (en) * | 2017-08-25 | 2018-12-07 | 山东科技大学 | A kind of method and device that experiment indoor simulation reversed fault is formed |
| CN109406292A (en) * | 2018-12-04 | 2019-03-01 | 滨州学院 | A kind of Water Inrush process similar material simulation experiment device and method |
| CN109470839A (en) * | 2018-11-22 | 2019-03-15 | 山东科技大学 | Simulate the physical test device and method of deep-seated fault formation, fault activation and inrush through faults |
| CN110985124A (en) * | 2019-12-23 | 2020-04-10 | 安徽理工大学 | Experimental device for fixed-point quantitative dynamic monitoring system for progressive lifting of coal seam floor |
| CN111596036A (en) * | 2020-06-23 | 2020-08-28 | 煤炭科学技术研究院有限公司 | Experimental simulation device and method for fault activation in coal seam mining |
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