CN105807012A - Testing device and method for simulating water outburst and mud outburst of fault - Google Patents
Testing device and method for simulating water outburst and mud outburst of fault Download PDFInfo
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- CN105807012A CN105807012A CN201610332788.5A CN201610332788A CN105807012A CN 105807012 A CN105807012 A CN 105807012A CN 201610332788 A CN201610332788 A CN 201610332788A CN 105807012 A CN105807012 A CN 105807012A
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Abstract
The invention discloses a testing device and method for simulating water outburst and mud outburst of a fault.The device comprises a box system, orifice steel plates, steel bricks, a seepage sandbox cover and a data acquisition system.The box system sequentially comprises a water tank, a mud box and an upper box body from bottom to top, and every two parts are separated by one orifice steel plate.The left side of the water tank is provided with a water inlet hole, and a water outlet hole is formed in the right side of the water tank.The mud box is used for containing solid yellow mud.The steel bricks are placed in the upper box body, and the stacked steel bricks are used for simulating the fault.The lower end of the seepage sandbox cover is provided with a porous solid part with a certain gradient, and the upper end of the seepage sandbox cover is provided with a hollow part.The data acquisition system comprises an electronic scale, a glass cup and a control computer.The device can measure the flow speed of slurry at different water pressures, and under what water pressure the water outburst and mud outburst phenomena happen can be judged according to the flow speed.Operation is easy and results are reliable.The invention further discloses a method for testing water outburst and mud outburst of the fault through the device.
Description
Technical field
The present invention relates to the engineering geology technical field such as ground, mining, particularly to a kind of assay device simulating the prominent mud of inrush through faults and method.
Background technology
In China, many collieries are all subject to the threat of all kinds of underground bearing water in recovery process.In numerous collieries of southern china, its rock stratum, floor, colliery is mostly Austria's pottery limestone of Permo-carboniferous period, and the very serious mine disaster of a class affecting safety of coal mines exploitation is the prominent mud of gushing water of Ordovician limestone.Ordovician limestone is a parakarst pressure-bearing water-bearing stratum with abundant water source and higher hydraulic pressure.The prominent mud of gushing water brings safely serious disaster to the people's lives and property.
According to official's incomplete statistics, the prominent mud disaster of mine sudden flooding more than 80% all with tomography with very big relation, fault crevice band is as the passage of the prominent mud of a very important gushing water, and its fault tectonic is to determine to carry out the important of safety of coal mines exploitation and key factor on artesian aquifer.Up to the present, as long as existing research concentrates on the reaction mechanism of tomography or the failure mechanism of rock stratum, floor about the prominent mud mechanism of mine sudden flooding.Do not relate to tomography under which kind of hydraulic pressure to produce tomography under mud seepage flow, which kind of hydraulic pressure and there will be the prominent mud phenomenon of gushing water, and tomography from mud seepage flow to gushing water prominent mud Changing Pattern.
Summary of the invention
The offer one prominent mud assay device of simulation inrush through faults and method are provided, which kind of which kind of can carry out study of fault tomography under hydraulic pressure and can produce tomography under mud seepage flow, hydraulic pressure and there will be the prominent mud phenomenon of gushing water by changing hydraulic pressure size and yellow mud reserves, simple to operate, effect is notable.
To achieve these goals, patent of the present invention adopts following solution:
1, a kind of prominent mud assay device of simulation inrush through faults includes box system, stephanoporate steel plate, steel brick, seepage tank lid, data collecting system, described box system 1 is embedded with stephanoporate steel plate I 4, stephanoporate steel plate I 4 and casing are combined by one-piece casting, stephanoporate steel plate less than I 4 is water tank more than 2 is mud box 5, and mud box 5 top is the upper box body 7 of box system 1.Upper box body 7 and mud box 5 adopt stephanoporate steel plate II6 to separate.Mud box 5 is put into the solid-state yellow mud 19 of certain volume, cover with stephanoporate steel plate II6 again, the steel brick 8 that the thickness that differed by length and width is constant is deposited on stephanoporate steel plate II6 successively, then seepage tank lid 11 is placed in the top of upper box body 7, tightens the bolt 21 connecting seepage tank lid 11 and box system 1.By hollow steel pipe 12, water outlet mudhole 10 and glass 14 are coupled together, hollow steel pipe 12 is provided with effusion meter 13, be used for monitoring and recording at regular intervals, by controlling computer 18, the mud amount flowing through hollow steel pipe 12.Judge tomography there will be the prominent mud danger of gushing water under which kind of water pressures by mud percolation flow velocity.
2, described box system 1 is embedded with stephanoporate steel plate I 4, and stephanoporate steel plate I 4 becomes as a whole with casing by one-piece casting, and stephanoporate steel plate less than I 4 is water tank more than 2 is mud box 5, and mud box more than 5 is the upper box body 7 of box system 1.Water injection hole 3 it is provided with on the left of water tank 2, right side is provided with apopore 9, water in water tank 2 is contacted with the solid-state yellow mud 19 in mud box 5 by stephanoporate steel plate I 4, increase with rate of water added and hydraulic pressure, yellow mud 19 in mud box 5 contacts more abundant with water, and after mixing, the solid-state yellow mud 19 in mud box 5 becomes the yellow mud of flow regime.Water tank 2 and mud box 5 are iron casing, and thickness is 15mm.Water injection hole 3 in water tank 2 is connected with extraneous water supply installation and external water source 20, it is achieved the water filling of water tank 2, and test is passed through apopore 9 release on the right side of water tank 2 after stopping, being unloaded mud.
3, length size respectively 300mm × 300mm × 200mm and 300mm × 300mm × 300mm of described water tank 2 and mud box 5, stephanoporate steel plate I 4 thickness between water tank 2 and mud box 5 is 15mm, has certain bearing capacity.Water injection hole 3 and right side apopore 9 on the left of water tank 2 are circle, and radius is 10mm.
4, described mud box 5 adopts stephanoporate steel plate II6 to separate with upper box body 7.The length of upper box body 7 is of a size of 300mm × 300mm × 800mm, and upper box body 7 is 10mm for iron and thickness, and upper box body 7 upper end is provided with water outlet mudhole 10, and the radius in this hole is 10mm.
5, the thickness of the stephanoporate steel plate II6 between described mud box 5 and upper box body 7 is 20mm.Steel brick 8 in layer can be up stacked after mud box 5 top installs stephanoporate steel plate II6.This stephanoporate steel plate II6 needs bigger bearing capacity, it is possible to the quality of carrying upper steel brick 8.The effect of stephanoporate steel plate II6 is in that the steel brick 8 prevented when not having water filling in upper box body 7 is by yellow mud 19 compacting of solid-state, causes that water filling is not smooth, and after water filling, the sinking of steel brick 8 causes that the measurement result of the prominent mud of gushing water is inaccurate
6, the height of described steel brick 8 is constant, and width and length differ, and tomography simulated by steel brick 8.
7, described a kind of prominent mud assay device of simulation inrush through faults, it is characterized in that described seepage tank lid 11 thickness is 20mm, it is placed in above upper box body 7, seepage tank lid about 11 two side is provided with bolt 21, it is used for connecting seepage tank lid 11 and box system 1, play sealing function, it is prevented that mud overflows from upper box body 7 with seepage tank lid 11 contact position.Seepage tank lid 11 lower end is the porose entity part 22 in bottom, and upper end is upper hollow section 23, and the porose entity part in bottom 22 has certain gradient, it is simple to the flowing of mud, and upper hollow section 23 is used for temporarily collecting mud that is prominent or that ooze out.
8, described data collecting system includes hollow steel pipe 12, effusion meter 13, glass 14, electronic scale 15 and controls computer 18.Hollow steel pipe 12 connects water outlet mudhole 10 and glass 14, and glass 14 is placed on electronic scale 15, and hollow steel pipe 12 is provided with effusion meter 13.It is connected to the data wire II17 of the data wire I 16 of effusion meter 13 and electronic scale 15 control on computer 18, monitor in real time also records the yellow mud flow flowing through hollow steel pipe 12 and flows to glass 14 yellow mud quality, judges to occur in that under which kind of hydraulic pressure that gushing water is dashed forward mud (flow velocity q >=0.1m by flow velocity3/s)。
9, a kind of utilize claim 1 require as described in the prominent mud assay device of simulation inrush through faults and method, be characterised by: comprise the following steps:
1) box system 1 that length is of a size of 300mm × 300mm × 1300mm is placed on horizontal plane.
2) above-mentioned steps 1) complete after mud box adds solid-state yellow mud 19, with elongated waddy stirring, applied in the process adding yellow mud 19, the injection rate of increase yellow mud 19 so that solid-state yellow mud 19 can be fully contacted and be not compacted.Yellow mud 19 THICKNESS CONTROL is at 290mm～300mm.
3) above-mentioned steps 2) complete after stephanoporate steel plate II6 (20mm thick) is placed in mud box 5 top edge, owing to this stephanoporate steel plate II6 needs the quality of carrying upper steel brick 8, therefore its thickness is thicker than the stephanoporate steel plate I 4 of the box system 1 in step 1, and the number in hole also reduces accordingly.
4) above-mentioned steps 3) complete after will be highly constant, the steel brick 8 that length and width differs is sequentially placed in upper box body 7 and namely in layer up piles up from stephanoporate steel plate II6 (20mm thick).Tomography simulated by the steel brick 8 piled up.
5) above-mentioned steps 4) complete after seepage tank lid 11 is placed in above upper box body 7, tighten the bolt 21 of seepage tank lid about 11 two side, play sealing function, it is prevented that mud overflows with seepage tank lid 11 contact position from box system 1.Seepage tank lid 11 lower end is the porose entity part 22 in bottom, and upper end is upper hollow section 23, and the porose entity part in bottom 22 has certain gradient, it is simple to the flowing of mud, and upper hollow section 23 is used for temporarily collecting mud that is prominent or that ooze out.
6) above-mentioned steps 5) complete after utilize hollow steel pipe 12 to connect water outlet mudhole 10 and glass 14, glass 14 is placed on electronic scale 15, and hollow steel pipe 12 is provided with effusion meter 13.Being connected to the data wire II17 of the data wire I 16 of effusion meter 13 and electronic scale 15 control on computer 18, monitor in real time also records the yellow mud flow flowing through hollow steel pipe 12 and flows to glass 14 yellow mud quality.
Above-mentioned steps 6) complete after, external water source 20 is feed-tank 2 water filling always, pays close attention to hollow steel pipe 12 mud flow rate vs time and glass 14 quality of mud fluid vs time graph.Judge under which kind of hydraulic pressure, tomography can produce to produce the prominent mud (flow velocity q >=0.1m of gushing water in mud seepage flow and which kind of situation by the calculating of respective formula3/s)。
Hinge structure of the present invention provides the benefit that:
One, by utilizing 15mm thickness stephanoporate steel plate that casing is divided into water tank and mud box, by the water filling of water tank, the yellow mud achieved in mud box is changed into flow regime from solid-state stagnant condition, also can guarantee that the water in water tank and the yellow mud in mud box are fully contacted, mix simultaneously.
Two, the steel brick that accumulation is got up is utilized to carry out approximate simulation tomography, it is possible to simulate the tomography of different porosities, the variation in water pressure rule of the mud seepage flow of the tomography of research different porosities and the prominent mud of gushing water by changing the size of steel brick.
Three, seepage tank lid lower end is the porose entity part in bottom, upper end is upper hollow section, the porose entity part in bottom has certain gradient, it is easy to the flowing of mud, upper hollow section is used for temporarily collecting mud that is prominent or that ooze out, ensure that seepage flow or prominent water or mud flow out from hollow steel pipe, decrease test error, it is ensured that be the reliability of test.
Accompanying drawing explanation
Fig. 1 is the structural representation of invention
Fig. 2 is seepage tank steel plate generalized section
Fig. 3 is two stephanoporate steel plate (15mm and 20mm) end view
Fig. 4 is mud speed rate and the result of the test of time under different water pressures
In figure: 1. box system, 2. water tank, 3. water injection hole, 4. stephanoporate steel plate I, 5. mud box, 6. stephanoporate steel plate II, 7. upper box body, 8. steel brick, 9. apopore, 10. water outlet mudhole, 11. seepage tank lids, 12. hollow steel pipes, 13. effusion meter, 14. glasses, 15. electronic scales, 16. data wires I, 17. data wire II, 18. control computer, 19. yellow mud, 20 external water sources, 21 bolts, the 22 porose entity part in bottom, 23, upper hollow section.
In brief, technical program of the present invention lies in: (1) and patent of the present invention are by utilizing stephanoporate steel plate by water tank and mud box separately, contact by water tank with water with the dry clay in mud, infiltrate and mix simultaneously, and dry viscosity transition can be become the mud that viscosity is different.This is different conventional gushing water designs.(2) the steel brick that accumulation is got up is utilized to carry out approximate simulation tomography, it is possible to simulate the tomography of different porosities, the variation in water pressure rule of the mud seepage flow of the tomography of research different porosities and the prominent mud of gushing water by changing the size of steel brick.This is also an innovative point of patent of the present invention.(3) seepage tank lid lower end is porose entity part, top is hollow parts, hollow parts is used for temporarily collecting mud that is prominent or that ooze out, porose entity part has certain gradient, it is easy to the flowing of mud so that the mud that in process of the test, seepage tank lid hollow parts is temporarily collected flows out seepage tank lid by entity part.It it is a very important innovative point for the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention will be further described.
A kind of prominent mud assay device of simulation inrush through faults includes box system, stephanoporate steel plate, steel brick, seepage tank lid, data collecting system, box system 1 is embedded with stephanoporate steel plate and is separated by this stephanoporate steel plate I 4, this stephanoporate steel plate I 4 becomes as a whole with box system 1 by one-piece casting, stephanoporate steel plate less than I 4 is water tank more than 2 is mud box 5, and mud box 5 top is the upper box body 7 of box system 1.Upper box body 7 and mud box 5 adopt stephanoporate steel plate II6 to separate.The solid-state yellow mud 19 putting into certain volume in mud box 5 covers with stephanoporate steel plate II6 again, the steel brick 8 that the thickness that differed by length and width is constant is deposited on stephanoporate steel plate II6 successively, seepage tank lid 11 is placed in above upper box body 7 again, tightens the bolt 21 connecting seepage tank lid 11 and box system 1.Described data collecting system includes hollow steel pipe 12, effusion meter 13, glass 14, electronic scale 15, data wire I 16, data wire II17, controls computer 18.Utilizing hollow steel pipe 12 water outlet mudhole 10 and glass 14 to be coupled together, hollow steel pipe 12 place is provided with effusion meter 13, wherein data wire I 16 connection traffic meter 13 and control computer 18；Described glass 14 is placed on electronic scale 15, and data wire II17 connects electronic scale 15 and controls computer 18；External water source 20 is feed-tank 2 water filling always, pays close attention to hollow steel pipe 12 mud flow rate vs time and glass 14 quality of mud fluid vs time graph.Judge under which kind of hydraulic pressure, tomography can produce to produce the prominent mud (flow velocity q >=0.1m of gushing water in mud seepage flow and which kind of situation by the calculating of respective formula3/s)。
A kind of test method specific embodiment simulating the prominent mud assay device of inrush through faults is as follows:
(1) box system 1 that length is of a size of 300mm × 300mm × 1300mm is placed on horizontal plane, water tank 2 and mud box 5 in box system 1 are separated by stephanoporate steel plate I 4, and wherein the length, width and height size of water tank 2 and mud box 5 is respectively as follows: 300mm × 300mm × 200mm and 300mm × 300mm × 300mm.
(2) in mud box 5, solid-state yellow mud 19 is added, with elongated waddy stirring, applied in the process adding yellow mud 19, the injection rate of increase yellow mud 19 so that solid-state yellow mud 19 can be fully contacted and be not compacted.Yellow mud 19 THICKNESS CONTROL is at 290mm～300mm.
(3) stephanoporate steel plate II6 is placed in mud box 5 top edge.
(4) will be highly constant, the steel brick 8 that length and width differs be sequentially placed in upper box body 7 and namely in layer up piles up from stephanoporate steel plate II6 (20mm is thick), and tomography simulated by the steel brick 8 of accumulation.
(5) seepage tank lid 11 is placed in box system 1, tightens the bolt 21 of seepage tank lid about 11 two side, play sealing function, it is prevented that mud overflows from the contact position of upper box body 7 with seepage tank lid 11.
(6) utilizing hollow steel pipe 12 to connect water outlet mudhole 10 and glass 14, glass 14 is placed on electronic scale 15, and hollow steel pipe 12 is provided with effusion meter 13.Being connected to the data wire II17 of the data wire I 16 of effusion meter 13 and electronic scale 15 control on computer 18, monitor in real time also records the yellow mud flow flowing through hollow steel pipe 12 and flows to glass 14 yellow mud quality.
(7) after above-mentioned steps completes, external water source 20 is feed-tank 2 water filling always, pays close attention to hollow steel pipe 12 mud flow rate vs time and glass 14 quality of mud fluid vs time graph.P under which kind of hydraulic pressure is judged by the calculating of respective formula0Tomography can produce to produce the prominent mud (flow velocity q >=0.1m of gushing water in mud seepage flow and which kind of hydraulic pressure Pc situation3/s)。
It is further described below by an example:
Soil selected by this experimental study is cohesive soil, and illite content is 60～65%, and natural density is 1.9g/cm3, its main chemical compositions is SiO2、Al2O3、Fe2O3, CaO, MgO etc., moisture content is 6～10%, smash to pieces after drying 24h at 105 DEG C～110 DEG C after being fetched by sample, when keeping muddy water constancy of volume, under the different water pressures of research, mud speed rate and the EXPERIMENTAL DESIGN (see table 1) of time, be shown in Fig. 4 after the employing Origin process of gained test data.
As shown in Figure 4: the prominent mud process of gushing water can be roughly divided into incremental → → stable type of successively decreasing, this is because most incipient stage solid-state clay does not have mobility, after meeting water contact, mixing, it is higher that mud is first in adhesion strength, the gel state that mobility is poor；As time goes on, water contacts fully with mud, mixes, and mud viscosity declines substantially, and its mobility is greatly enhanced, and can quickly gush out under the effect of mud hydraulic pressure；To last when the prominent mud speed of gushing water reaches dynamic equilibrium with increment speed, the prominent mud amount of gushing water just remains stable for.
Table 1: mud speed rate and the EXPERIMENTAL DESIGN of time under different water pressures
| Volume ratio | Mud hydraulic pressure/MPa | Tomography height/mm |
| 1:1.5 | 0.5 | 800 |
| 1:1.5 | 0.8 | 800 |
| 1:1.5 | 1 | 800 |
Claims (9)
1. the prominent mud assay device of simulation inrush through faults, it is characterised in that include box system, stephanoporate steel plate, steel brick, seepage tank lid and data collecting system.
2. a kind of prominent mud assay device of simulation inrush through faults according to claim 1, it is characterized in that: box system (1) is embedded with stephanoporate steel plate I (4), this stephanoporate steel plate I (4) is combined by one-piece casting with casing, stephanoporate steel plate I (4) is water tank (2) below, it is more than mud box (5), more than mud box (5) is upper box body (7)；Water tank (2) left side is provided with water injection hole (3), right side is provided with apopore (9), water in water tank (2) is contacted with the solid-state yellow mud (19) in mud box (5) by stephanoporate steel plate I (4), increase with rate of water added and hydraulic pressure, yellow mud (19) in mud box (5) contacts more abundant with water, and after mixing, the solid-state yellow mud (19) in mud box (5) becomes the yellow mud of flow regime.Water tank (2) and mud box (5) are iron casing；Water injection hole (3) in water tank (2) is connected with extraneous water supply installation and external water source (20), realizing the water filling of water tank (2), test is passed through right side apopore (9) release of water tank (2) after stopping, being unloaded mud.
3. a kind of prominent mud assay device of simulation inrush through faults according to claim 1, it is characterized in that length size respectively 300mm × 300mm × 200mm and 300mm × 300mm × 300mm of described water tank (2) and mud box (5), stephanoporate steel plate I (4) thickness between water tank (2) and mud box (5) is 15mm, has certain bearing capacity；Water injection hole (3) and the right side apopore (9) in water tank (2) left side are circle, and radius is 10mm.
4. a kind of prominent mud assay device of simulation inrush through faults according to claim 1, it is characterised in that: described mud box (5) and upper box body (7) adopt stephanoporate steel plate II (6) to separate.The length of upper box body (7) is of a size of 300mm × 300mm × 800mm, upper box body (7) is 10mm for iron and thickness, the upper end of upper box body (7) is provided with water outlet mudhole (10), and the radius in this hole is 10mm.
5. a kind of prominent mud assay device of simulation inrush through faults according to claim 1, it is characterised in that: the thickness of the stephanoporate steel plate II (6) between described mud box (5) and upper box body (7) is 20mm；Steel brick (8) in layer can be up stacked after mud box (5) top installs stephanoporate steel plate II (6)；This stephanoporate steel plate II (6) needs bigger bearing capacity, it is possible to the quality of carrying upper steel brick (8)；The effect of stephanoporate steel plate II (6) is in that the steel brick (8) prevented when not having water filling in upper box body (7) is by yellow mud (19) compacting of solid-state, cause that water filling is not smooth, and the steel brick (8) in water filling upper back casing (7) sinks to causing that the measurement result of the prominent mud of gushing water is inaccurate.
6. a kind of prominent mud assay device of simulation inrush through faults according to claim 1, it is characterised in that the height of described steel brick (8) is constant, and width and length differ, steel brick (8) simulation tomography.
7. a kind of prominent mud assay device of simulation inrush through faults according to claim 1, it is characterized in that described seepage tank lid (11) thickness is 20mm, it is placed in upper box body (7) top, two sides, seepage tank lid (11) left and right are provided with bolt (21), it is used for connecting seepage tank lid (11) and box system (1), play sealing function, it is prevented that mud overflows from the contact position of upper box body (7) with seepage tank lid (11)；This seepage tank lid (11) lower end is the porose entity part in bottom (22), upper end is upper hollow section (23), the porose entity part in bottom (22) has certain gradient, being easy to the flowing of mud, upper hollow section (23) is used for temporarily collecting mud that is prominent or that ooze out.
8. a kind of prominent mud assay device of simulation inrush through faults according to claim 1, it is characterised in that described data collecting system includes hollow steel pipe (12), effusion meter (13), glass (14), electronic scale (15) and controls computer (18)；Hollow steel pipe (12) one end connects water outlet mudhole (10), the other end connects glass (14), glass (14) is placed on electronic scale (15), hollow steel pipe (12) is provided with effusion meter (13), effusion meter (13) and electronic scale (15) are all connected with controlling computer (18), control computer (18) mutually at regular intervals record flows through the fluid flow of hollow steel pipe (12) and flows to the fluid mass of glass (14), judge to occur in that under which kind of hydraulic pressure that gushing water is dashed forward mud by flow velocity.
9. one kind utilize claim 1 require as described in the method for the simulation prominent mud assay device of inrush through faults, it is characterised in that: comprise the following steps:
1) box system (1) that length is of a size of 300mm × 300mm × 1300mm is placed on horizontal plane.
2) above-mentioned steps 1) complete after mud box adds solid-state yellow mud (19), in the process adding yellow mud (19) with elongated waddy stir, applied, increase the injection rate of yellow mud (19) so that solid-state yellow mud (19) can be fully contacted and be not compacted；Yellow mud (19) THICKNESS CONTROL is at 290mm～300mm.
3) above-mentioned steps 2) complete after stephanoporate steel plate II (6) (20mm thick) is placed in mud box (5) top edge, owing to this stephanoporate steel plate II (6) needs the quality of carrying upper steel brick (8), therefore its thickness is thicker than the stephanoporate steel plate I (4) of the box system (1) in step 1, and the number in hole also reduces accordingly.
4) above-mentioned steps 3) complete after will be highly constant, the steel brick (8) that length and width differs is sequentially placed in upper box body (7) and namely in layer up piles up from stephanoporate steel plate II (6) (20mm thick)；Steel brick (8) the simulation tomography piled up.
5) above-mentioned steps 4) complete after seepage tank lid (11) is placed in upper box body (7) top, tighten the bolt (21) of two sides, seepage tank lid (11) left and right, play sealing function, it is prevented that mud overflows from upper box body (7) with seepage tank lid (11) contact position.Seepage tank lid (11) lower end is the porose entity part in bottom (22), upper end is upper hollow section (23), the porose entity part in bottom (22) has certain gradient, being easy to the flowing of mud, upper hollow section (23) is used for temporarily collecting mud that is prominent or that ooze out.
6) above-mentioned steps 5) complete after utilize hollow steel pipe (12) to connect water outlet mudhole (10) and glass (14), glass (14) is placed on electronic scale (15), and hollow steel pipe (12) is provided with effusion meter (13)；Being connected to the data wire II (17) of the data wire I (16) of effusion meter (13) and electronic scale (15) control on computer (18), monitor in real time also records the yellow mud flow flowing through hollow steel pipe (12) and flows to glass (14) yellow mud quality.
7) above-mentioned steps 6) complete after, external water source (20), by water injection hole (3) feed-tank always (2) water filling, pays close attention to hollow steel pipe (12) mud flow rate vs time and glass (14) quality of mud fluid vs time graph.Judge under which kind of hydraulic pressure, tomography can produce to produce the prominent mud of gushing water in mud seepage flow and which kind of situation by the calculating of respective formula.
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| 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 |
| CN111238990A (en) * | 2020-02-05 | 2020-06-05 | 山东大学 | Fault activation water inrush evolution test system and test method under multi-field coupling effect |
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