CN106990033A - A kind of experimental rig for simulating Genesis of Karst Subsided Column evolutionary process - Google Patents
A kind of experimental rig for simulating Genesis of Karst Subsided Column evolutionary process Download PDFInfo
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- CN106990033A CN106990033A CN201710412687.3A CN201710412687A CN106990033A CN 106990033 A CN106990033 A CN 106990033A CN 201710412687 A CN201710412687 A CN 201710412687A CN 106990033 A CN106990033 A CN 106990033A
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Abstract
The present invention provides a kind of experimental rig for simulating Genesis of Karst Subsided Column evolutionary process, and the device simulates Evolution System by border head control system, karst collapse col umn and the part of subsurface flow device observation system three is constituted.Tank in the water inlet pipe connection karst collapse col umn simulation Evolution System of border head control system, tank is connected to casing, bottom half is connected to vavuum pump by rubber tube, and the pressure sensor of subsurface flow device observation system is embedded in similar materials by the peephole on casing.Experiment controls to simulate evolutionary process of the Genesis of Karst Subsided Column under latent erosion and Suction Action by lifting water level and vavuum pump, by seepage field and the changing rule of stress field in the data analysis Genesis of Karst Subsided Column forming process of subsurface flow device observation system, the formation mechenism and evolutionary process of molten karst collapse col umn are reproduced.
Description
Technical field：
The present invention is a kind of experimental provision that its formation mechenism is probed into by simulating Genesis of Karst Subsided Column evolutionary process, belongs to rock
Molten underground water dynamics research field.
Background technology：
Genesis of Karst Subsided Column is often developed in the Ordovician system-Cambrian system ancient karst, afterwards through the Carboniferous System, Permian System, fall into
Fall obturation or water content, belong to ancient karst category.The mineralizing evolution process of Genesis of Karst Subsided Column is to determine the pass of its spatial distribution
Key factor, studies its formation mechenism to its regularity of distribution of Accurate Prediction, solves the important prerequisite that current mine sudden flooding causes calamity.For this
Geological conditions, material base and the hydrologic condition developed with reference to China's Genesis of Karst Subsided Column, a kind of unit simulation rock of design invention
The formation condition and its evolutionary process of molten karst collapse col umn, are of great significance to the preventing and treating tool of mine karstic water flooding.
The content of the invention：
It is an object of the invention to provide a kind of experimental rig for simulating Genesis of Karst Subsided Column evolutionary process, structure setting is reasonable,
Visual simulation reproduces the evolutionary process of karst collapse col umn and the governing factor of karst collapse.
Realize the technical scheme used of foregoing invention for：A kind of experiment dress for simulating Genesis of Karst Subsided Column evolutionary process
Put, it is characterised in that：The device includes border head control system, karst collapse col umn simulation Evolution System and the observation of subsurface flow device
The part of system three is constituted；Border head control system is main by the overflow launder of controlling water level, feed pipe, return pipe, water inlet pipe, only
Water valve device is constituted；Karst collapse col umn simulation Evolution System is main by the rectangular box body equipped with similar materials, and connection casing is left
The tank of right both sides, the part of vavuum pump three composition of connection rectangle bottom half；Subsurface flow device observation system is by pressure
Sensor and vasculum connection computer composition；Each several part connection is mainly left boundary head control system by water inlet pipe and fallen into
The tank fallen in post Evolution Simulation system is connected, and bottom half connects vavuum pump by rubber tube, and the subsurface flow device of right-hand member is seen
The pressure sensor of examining system is embedded in similar materials by being arranged in the peephole in front of casing.
Two regions are separated inside described overflow launder with baffle plate, control head boundary is used as.
Described box house is two layers above and below dividing plate point, and dividing plate is located at lower box a quarter position, dividing plate band
There is uniform aperture, and be tied with wire netting, dividing plate sees side along casing and is provided with rectangular notch, and rectangular notch does not twine iron
Silk screen.
The described casing equipped with simulation material is made up of lucite, is distributed with the inboard wall of cistern on connection casing both sides
Uniform aperture, inwall is tied with gauze screen, facilitates current to flow in and out, and prevents the similar materials in casing from flowing out, case
Position below dividing plate of tank on the right of body is simultaneously provided with openable passway so that the phase that rectangle notch gets off on dividing plate
It can be flowed out like simulation material by passway.
Described similar materials laid in box partition bottom for industrial table salt, top is sand grains again by certain ratio
Example adds the sand sample similar materials that compound (calcium carbonate, gypsum, water, paraffin) is obtained, the material and the basement rock in research area
With similar mechanical property and permeance property.
A kind of experimental rig for simulating Genesis of Karst Subsided Column evolutionary process of the present invention has the beneficial effect that：
This experimental rig belongs to the experimental rig for probing into Mechanism of Karst Collapse, compared to similar analogue means, can be with
The latent erosion of comprehensive analysis causes to collapse pattern and Suction causes influence of the pattern to karst collapse of collapsing.Because the factor of consideration is more comprehensive and
Comprehensively, the temporal and spatial evolution of karst collapse can more fully be reproduced.
Brief description of the drawings：
Fig. 1 is a kind of experimental rig three-dimensional structure diagram for simulating Genesis of Karst Subsided Column evolutionary process of the present invention.
Fig. 2 is in karst collapse col umn Evolution Simulation system in a kind of experimental rig for simulating Genesis of Karst Subsided Column evolutionary process of the present invention
The dividing plate three-dimensional structure diagram of casing.
In figure：1- assembly pulleys；2- overflow launders；3- feed pipes；4- water inlet pipes；5- return pipes；6- water tanks；7- water check valves；8-
Tank；9- sealing plates；10- casings；11- is equipped with the peephole of pressure sensor；12- dividing plates；13- rectangle notches；14- rubber
Pipe；15- vavuum pumps；16- irony supports；17- drainpipes；18- vasculums；19- computers
Embodiment：
To make the goal of the invention and advantage of the present invention clearer, below in conjunction with the accompanying drawings with specific implementation step to the present invention
It is described in detail：
A kind of experimental provision for simulating Genesis of Karst Subsided Column evolutionary process, including the simulation of border head control system, karst collapse col umn
Evolution System and the part of subsurface flow device observation system three composition；Described border head control system is main by controlling water level
The assembly pulley 1 and overflow launder 2 of lifting, feed pipe 3, water inlet pipe 4, return pipe 5, water tank 6 and water check valve 7 are constituted；Described
Karst collapse col umn simulation Evolution System is main by the tank 8 of fillet head control system, sealing plate 9, equipped with similar materials
Casing 10 (peephole 11 of connection pressure sensor is provided with casing, the dividing plate 12 for having layering in casing is provided with dividing plate
Even aperture and rectangle notch 13), with rubber tube 14 connect rectangular slot this three part of vavuum pump 15 constitute；Described ground
Lower water flow apparatus observation system connects computer 19 by pressure sensor and vasculum 18 and constituted；Each several part connection is mainly left end side
The water inlet pipe 4 of boundary's head control system connects true in the tank 8 of karst collapse col umn Evolution Simulation system, karst collapse col umn simulation Evolution System
Empty pump 15 passes through collection by the rectangle notch 13 on the connecting partition of rubber tube 14, the subsurface flow device observation system of right-hand member
Pressure sensor in the connection karst collapse col umn simulation Evolution System raising middle flask body of case 18.
Experimental provision specific implementation of the present invention is as follows：
Before experiment, by casing 10 dividing plate take out, spread industrial table salt and highly locate to casing a quarter, put down every
Plate, is then covered with sand sample simulation material (the sand sample simulation material first 5cm thickness of laying obtained according to a certain ratio on dividing plate 12
When, it is used for simulating crack at interval of partial application at 20cm with steel ruler in this layer, and mica sheet is sprinkled at edge, for distinguishing two
Layer, when similar materials lay second 5cm thickness, the second layer is noted in this layer with steel ruler at interval of partial application at 20cm
Crack position and the first layer of cutting stagger, and sand sample is paved with into whole casing according to similar process backward), it is contemplated that meet indoor
The particle diameter of sand in the requirement of the yardstick effect of experiment, the sand sample proportioning of use is smaller, and each pipeline is connected.
In experiment, the height of overflow launder 2 is adjusted first, water inlet pipe is opened, overflow launder water is fed using water tank, water
Stream is entered in lucite tank by water inlet pipe 4.When the analog material in casing 10 in karst collapse col umn Evolution Simulation system is in
During saturation state, while recording the corrosion situation of the bottom industrial table salt of dividing plate 12, and crack above rectangle notch is photographed to record
Developmental state, treats that industrial table salt corrosion is complete, forms pipeline stream, in time the sand in cleaning right tank, and observed and recorded is in pipeline stream
In the case of collapse situation in karst collapse col umn Evolution Simulation system, after depression is basicly stable, assembly pulley reduces overflow groove height by water
Position control opens vavuum pump, carries out Suction to dividing plate rectangle notch, take pictures in the height of pipeline stream 1/2nd of formation
Record collapses situation.Most the data of vasculum are exported in subsurface flow device observation system at last.
After experiment, the situation of change of place's seepage field and stress field, Yi Jixian are collapsed in analysis karst collapse col umn simulation Evolution System
The photo that field stimulation is shot, the latent erosion of analysis and influence of the Suction to karst collapse, probe into the formation mechenism of Genesis of Karst Subsided Column.
Examples detailed above only illustrates the technical pattern and method of the present invention, and all improvements introduced according to the above description or conversion are equal
Because being included in the protection domain of appended claims of the present invention.
Claims (4)
1. a kind of experimental rig for simulating Genesis of Karst Subsided Column evolutionary process, it is characterised in that：The device is controlled including border head
System, karst collapse col umn simulation Evolution System and the part of subsurface flow device observation system three composition；Border head control system is main
It is made up of the overflow launder of controlling water level, feed pipe, return pipe, water inlet pipe, sealing valve gear；Karst collapse col umn simulation Evolution System is main
By the rectangular box body equipped with similar materials, the tank of the connection casing left and right sides connects the true of rectangle bottom half
The empty part of pump three composition；Subsurface flow device observation system is made up of pressure sensor and vasculum connection computer；Each several part connects
Connect predominantly left boundary head control system by water inlet pipe with the tank in karst collapse col umn Evolution Simulation system to be connected, casing bottom
Portion connects vavuum pump by rubber tube, and the pressure sensor of the subsurface flow device observation system of right-hand member is by being arranged in front of casing
Peephole be embedded in similar materials.
2. a kind of experimental rig for simulating Genesis of Karst Subsided Column evolutionary process according to claim 1, it is characterised in that：Casing
Internal dividing plate is located at lower box a quarter position two layers above and below dividing plate point, and dividing plate carries uniform aperture, and is tied with
Wire netting, dividing plate sees side along casing and is provided with rectangular notch, and rectangular notch does not twine wire netting.
3. a kind of experimental rig of simulation Genesis of Karst Subsided Column evolutionary process according to claim 1, it is characterised in that：It is equipped with
The casing of simulation material is made up of lucite, uniform aperture is distributed with the inboard wall of cistern on connection casing both sides, inwall is twined
There is gauze screen, facilitate current to flow in and out, prevent the similar materials in casing from flowing out, the tank on the right of casing is in dividing plate
Following position is simultaneously provided with openable passway so that the similar materials that rectangle notch gets off on dividing plate can be by logical
Flow out at road junction.
4. a kind of experimental rig of simulation Genesis of Karst Subsided Column evolutionary process according to claim 1, it is characterised in that：It is similar
Simulation material laid in box partition bottom for industrial table salt, top is that sand grains adds compound (carbonic acid by a certain percentage again
Calcium, gypsum, water, paraffin) obtain sand sample similar materials, the material with research area basement rock there is similar mechanical property
And permeance property.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710412687.3A CN106990033A (en) | 2017-06-05 | 2017-06-05 | A kind of experimental rig for simulating Genesis of Karst Subsided Column evolutionary process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710412687.3A CN106990033A (en) | 2017-06-05 | 2017-06-05 | A kind of experimental rig for simulating Genesis of Karst Subsided Column evolutionary process |
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| CN106990033A true CN106990033A (en) | 2017-07-28 |
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| CN201710412687.3A Pending CN106990033A (en) | 2017-06-05 | 2017-06-05 | A kind of experimental rig for simulating Genesis of Karst Subsided Column evolutionary process |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108680477A (en) * | 2018-01-12 | 2018-10-19 | 浙江大学 | Based on laser measurement technology and the visual piping experimental rig of transparent soil and method |
| CN109036065A (en) * | 2018-08-20 | 2018-12-18 | 成都理工大学 | Single layer waterproofing type cap rock is collapsed to because of experimental provision |
| CN109115944A (en) * | 2018-06-29 | 2019-01-01 | 中国矿业大学 | A kind of three-dimensional solid-liquid coupling analog simulation loose aquifer simulator and method |
| CN109696381A (en) * | 2019-02-18 | 2019-04-30 | 中国地质科学院岩溶地质研究所 | A kind of experimental rig for simulating karst subterranean stream flux depression process |
| CN110907329A (en) * | 2019-12-04 | 2020-03-24 | 重庆大学 | Large-scale corrosion test system and test method thereof |
| CN111594157A (en) * | 2020-05-13 | 2020-08-28 | 浙江大学 | Experimental device and method for simulating seabed slope instability caused by combustible ice decomposition under complex terrain condition |
| CN114088920A (en) * | 2021-11-23 | 2022-02-25 | 贵州大学 | Rock soil material positive and negative pressure undermining test device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104090087A (en) * | 2014-07-18 | 2014-10-08 | 中国矿业大学(北京) | Coal mine collapse column bursting water geological mechanics fluid-solid coupling test device |
| WO2015158153A1 (en) * | 2014-04-16 | 2015-10-22 | 河北煤炭科学研究院 | Water conservation method used in coal mining process |
| CN206146799U (en) * | 2016-11-08 | 2017-05-03 | 安徽理工大学 | Experimental device for osmotic coefficient is got in instantaneous survey of striking waters |
-
2017
- 2017-06-05 CN CN201710412687.3A patent/CN106990033A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015158153A1 (en) * | 2014-04-16 | 2015-10-22 | 河北煤炭科学研究院 | Water conservation method used in coal mining process |
| CN104090087A (en) * | 2014-07-18 | 2014-10-08 | 中国矿业大学(北京) | Coal mine collapse column bursting water geological mechanics fluid-solid coupling test device |
| CN206146799U (en) * | 2016-11-08 | 2017-05-03 | 安徽理工大学 | Experimental device for osmotic coefficient is got in instantaneous survey of striking waters |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108680477A (en) * | 2018-01-12 | 2018-10-19 | 浙江大学 | Based on laser measurement technology and the visual piping experimental rig of transparent soil and method |
| CN108680477B (en) * | 2018-01-12 | 2024-04-12 | 浙江大学 | Piping test device and method based on laser test technology and transparent soil visualization |
| CN109115944A (en) * | 2018-06-29 | 2019-01-01 | 中国矿业大学 | A kind of three-dimensional solid-liquid coupling analog simulation loose aquifer simulator and method |
| CN109036065A (en) * | 2018-08-20 | 2018-12-18 | 成都理工大学 | Single layer waterproofing type cap rock is collapsed to because of experimental provision |
| CN109696381A (en) * | 2019-02-18 | 2019-04-30 | 中国地质科学院岩溶地质研究所 | A kind of experimental rig for simulating karst subterranean stream flux depression process |
| CN110907329A (en) * | 2019-12-04 | 2020-03-24 | 重庆大学 | Large-scale corrosion test system and test method thereof |
| CN111594157A (en) * | 2020-05-13 | 2020-08-28 | 浙江大学 | Experimental device and method for simulating seabed slope instability caused by combustible ice decomposition under complex terrain condition |
| CN114088920A (en) * | 2021-11-23 | 2022-02-25 | 贵州大学 | Rock soil material positive and negative pressure undermining test device |
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