CN107167579A - A kind of covered karst area hydrodynamic force causes the catastrophe Evolution Simulation experimental rig that collapses - Google Patents
A kind of covered karst area hydrodynamic force causes the catastrophe Evolution Simulation experimental rig that collapses Download PDFInfo
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- 238000004088 simulation Methods 0.000 title claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 282
- 239000002689 soil Substances 0.000 claims abstract description 58
- 238000012544 monitoring process Methods 0.000 claims abstract description 28
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- 239000011148 porous material Substances 0.000 claims description 19
- 229910000831 Steel Inorganic materials 0.000 claims description 18
- 239000010959 steel Substances 0.000 claims description 18
- 239000012530 fluid Substances 0.000 claims description 14
- 239000011521 glass Substances 0.000 claims description 10
- 239000008400 supply water Substances 0.000 claims description 10
- 230000009189 diving Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 3
- 230000011218 segmentation Effects 0.000 claims description 3
- 239000011435 rock Substances 0.000 claims description 2
- 239000005336 safety glass Substances 0.000 claims description 2
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Abstract
The present invention provides a kind of covered karst area hydrodynamic force and causes to collapse catastrophe Evolution Simulation experimental rig, and the hydrodynamic force catastrophe Evolution Simulation experimental rig that causes to collapse in the covered karst area includes main body pilot system, water level and rainfall control system and monitoring monitoring system.The main body pilot system loads soil body sample simulation phreatic aquifer and artesian aquifer geologic structure；The change of means mimic water-depth and the rainfall changes such as the water level and rainfall control system to the soil body sample in the soil body sample and the Karst funnel empty van in the native case of the main body by supplying water, conversion water level, rainfall；The situation of change that monitoring system record soil body sample is monitored under different water levels and different condition of raining and the catastrophe evolutionary process collapsed.The covered karst area hydrodynamic force that the present invention is provided causes to collapse catastrophe Evolution Simulation experimental rig presenting covered karst area field geology architectural feature and cause the influence factor loading effect that collapses completely.
Description
Technical field
Catastrophe evolution of collapsing is caused the present invention relates to hazards control field, more particularly to a kind of covered karst area hydrodynamic force
Simulation test device.
Background technology
Karst collapse is one of covered karst area the most universal geological hazards.Because covered karst collapses tool
There are disguised sudden, space, influence factor diversity and cause the distinguishing features such as mechanism complexity of collapsing so that complex environment bar
Karst collapse study mechanism problem under part is always the forward position of field of earth sciences.
The research of karst collapse mechanism problem is directed to both at home and abroad at present also in qualitative or semi-quantitative assessment stage, quantification
It is also the research under many supposed premises to calculate such as numerical simulator, general lack of can field is completely presented indoors
The high emulation physical model of matter architectural feature, and collapsed the probing into of mechanism for cause, strict adherence control change is needed in process of the test
Principle is measured, in the case where frequently changing the experimental condition of single influence factor, multigroup replica test, current indoor model examination is carried out
Test platform once to build up, change experimental condition difficult and test period length, spend also big, these factors are all more or less constrained
The further development of physical model test.
The content of the invention
In view of this, it is applied to covered karst under complicated hydrodynamic condition The embodiment provides one kind to collapse
The simulation laboratory test research of forming process, intuitively studies covered karst hydrodynamic force and causes to collapse the covered karst of process rule
Area's hydrodynamic force causes the catastrophe Evolution Simulation experimental rig that collapses.
Embodiments of the invention provide a kind of covered karst area hydrodynamic force and cause the catastrophe Evolution Simulation experimental rig that collapses, described
The hydrodynamic force catastrophe Evolution Simulation experimental rig that causes to collapse in covered karst area includes main body pilot system, water level and rainfall control system
The Karst funnel for including the native case of main body with monitoring monitoring system, the main body pilot system and being arranged at below the native case of the main body
Empty van, the native case of the main body loads soil body sample with simulated diving water-bearing layer geologic structure, and the Karst funnel empty van loads soil
Body sample simulation artesian aquifer geologic structure, the water level and rainfall control system to the native case of main body by supplying water, conversion water
The means simulated diving such as position, rainfall water-bearing layer SEA LEVEL VARIATION, the water level and rainfall control system pass through to Karst funnel empty van
Supply water and the means of controlling water level simulate artesian aquifer SEA LEVEL VARIATION, the monitoring monitoring system reads and preserved the main body
The soil body sample in soil body sample and the Karst funnel empty van in the native case hole under different water levels and different condition of raining
The situation of change of water pressure, stress, strain etc..
Further, the native case of the main body includes angle steel, bottom plate, side wall, left part, right part and middle part, and the angle steel is located at
Main body soil case corner, the bottom plate is steel plate, and the side wall is safety glass, and the angle steel is welded with bottom plate, the side wall quilt
It is fixed between angle steel and bottom plate, left barrier and right barrier, left barrier and right barrier the segmentation master is fixed with the bottom plate
The inner space of body soil case, is middle part between the left barrier and right barrier, left part between the left baffle and left side wall is described
It is right part between right barrier and right side wall, the left barrier and right barrier are with punctulate lucite, to be filled in the middle part
Enter soil body sample with simulated diving water-bearing layer geologic structure, soil body sample is limited in middle part by the left barrier and right barrier,
The water level and rainfall control system supply water to left part and right part, and the left part and right part supply water to middle part.
Further, the bottom plate centre position is provided with opening, and the opening is fixed dimension square aperture, the opening
Under be welded with first flange disk, the first flange disk shape is less than greatly to be adapted with the opening, and the first flange disk is
The square flange that steel plate is made, the Karst funnel empty van includes being located at the second flange disk at top, is located at the 3rd of bottom
Ring flange and bottom plate, the second flange disk are adapted with first flange disk, and the Karst funnel empty van upper end passes through the second method
Blue disk is connected with first flange disk, and watertight rubber pad sealing, the bottom are passed through between the second flange disk and first flange disk
Plate is adapted with the 3rd ring flange size, the 3rd ring flange connecting bottom board and Karst funnel empty van lower end, the bottom plate
Load soil body sample by watertight rubber pad sealing between Karst funnel empty van, in the Karst funnel empty van to hold for simulation
Water-bearing layer geologic structure is pressed, the Karst funnel empty van left and right sides is respectively arranged with left lucite water tank and right lucite
Water tank, the left lucite water tank and right lucite water tank are used to uniformly supply water to Karst funnel empty van.
Further, the Karst funnel empty van is made of transparent lucite.
Further, the water level and rainfall control system are put down including left water level control box, right control cabinet, left fluctuation in stage
Platform and right fluctuation in stage platform, the left fluctuation in stage platform and right fluctuation in stage platform are separately fixed at native case of main body or so two
On the ground of side, the left water level control box is removably fixed on left fluctuation in stage platform, and the left water level control box can
Moved up and down along left fluctuation in stage platform, the right control cabinet is fixed on right fluctuation in stage platform, the right control cabinet can be along the right side
Fluctuation in stage platform is moved up and down.
Further, the left water level control box is provided with left water inlet pipe, left outlet pipe and left overflow pipe, the left water inlet pipe
Water is transported to left water level control box, the left outlet pipe connection left part bottom and left water level control box from water source, the left side goes out
Water in left water level control box is delivered to left part by water pipe, unnecessary in preset water level, the left water level control box up to reaching
Water is exported by left overflow pipe, and the right water level control box is provided with right water inlet pipe, right outlet pipe and right overflow pipe, the right water inlet pipe
Water is transported to right water level control box, the right outlet pipe connection right part bottom and right water level control box, the right water outlet from water source
The water of right water level control box is delivered to right part by pipe, and the right overflow pipe exports water unnecessary in right water level control box, the left side
Fluctuation in stage system makes the native case reclaimed water potential drop of main body low or risen, the right side by changing the upper-lower position of left water level control box
Fluctuation in stage system makes the native case reclaimed water potential drop of main body low or risen, so that mould by changing the upper-lower position of right water level control box
Intend the change of phreatic aquifer water level.
Further, the water level and rainfall control system also include tank, constant pressure frequency conversion water pump, running water pipe, under enter
Water pipe, lower discharging tube, the first distributive pipe and the second distributive pipe, the running water pipe convey water, the constant pressure frequency conversion water to tank
Pump is exported the water in tank to lower discharging tube by lower water inlet pipe, and described lower discharging tube one end connects constant pressure frequency conversion water pump, separately
One end is connected with the first distributive pipe, the second distributive pipe simultaneously, and described first distributive pipe one end connects lower discharging tube, other end connection
Left water tank, one end that first distributive pipe is connected with lower water inlet pipe is provided with the first valve, and first valve is used to control the
Water-carrying capacity in one distributive pipe, the other end that first distributive pipe is connected with left water tank shows fluid level transmitter provided with first,
The first display fluid level transmitter is used for the measurement and control of left Water in Water Tanks position, goes out under the second distributive pipe one end connection
Water pipe, the other end connects right water tank, and second distributive pipe is provided with the second valve with the one end being connected, and second valve is used for
The water-carrying capacity in the second distributive pipe is controlled, the other end that second distributive pipe is connected with right water tank becomes provided with the second display liquid level
Device is sent, the second display fluid level transmitter is used for the measurement and control of right Water in Water Tanks position, and first distributive pipe has to the left
The water supply of machine glass water tank, first valve and left display fluid level transmitter control the water level of left lucite water tank, institute together
The second distributive pipe lucite cistern water supply to the right is stated, second valve and right display fluid level transmitter control the right side together
The water level of lucite water tank, the left lucite water tank and right lucite water tank supply water and controlled to Karst funnel empty van
The SEA LEVEL VARIATION of Karst funnel empty van, so as to simulate the change of artesian aquifer water level.
Further, the water level and rainfall control system also include the 3rd distributive pipe, and described 3rd distributive pipe one end connects
Lower discharging tube is connect, the other end is fixed on directly over the native case of main body, and the 3rd distributive pipe is fixed on one directly over the native case of main body
End is provided with multiple sprayers, and multiple sprayers are used to simulate rain making, and the 3rd distributive pipe is connected with lower discharging tube
One end be provided with flow valve, the flow valve pass through control the 3rd distributive pipe in water-carrying capacity control sprayer rainfall it is strong
Reading on degree, the flow valve is used to record rainfall, and the 3rd distributive pipe supplies water to sprayer, the flow valve regulation
Output from 3rd distributive pipe to sprayer, to simulate different degrees of rain fall.
Further, the monitoring monitoring system includes camera and computer, and the camera is arranged at the main body examination
The front of check system, the camera is connected with computer, and the camera is examined through the side standing motionless as if facing a wall and records the main body
Misalignment of the soil body sample under different water levels and different rain falls in native case and Karst funnel empty van, the computer
Read and preserve the situation of the camera record.
Further, the monitoring monitoring system also adopts dress including pore water pressure sensor, soil pressure sensor sum
Put, the pore water pressure sensor is monitored for pore water pressure, the soil pressure sensor is used for Monitoring on Earth Pressure, the number
Device for picking has multiple, and multiple several device for picking one end connection pore water pressure sensors or soil pressure sensor, the other end connect
Computer, the data of several the device for picking collection pore water pressure sensors or soil pressure sensor are connect, and the data of collection are sent out
Computer is given, computer reads and preserved the data of number device for picking collection.
The present invention is that a kind of cap-type karst region hydrodynamic force causes the Evolution Simulation experimental rig that collapses, and completely presents covered karst
Area's field geology architectural feature and cause are collapsed influence factor loading effect, during the experiment condition such as change SEA LEVEL VARIATION, rainfall change
It is simple to operate, multigroup replica test, experimental provision structural visual can be carried out, it is adaptable to cover type rock under complicated hydrodynamic condition
The molten simulation for collapsing evolution overall process and its catastrophe study mechanism.
Brief description of the drawings
Fig. 1 is that a kind of covered karst area hydrodynamic force of the invention causes to collapse a schematic diagram of catastrophe Evolution Simulation experimental rig.
Fig. 2 is that a kind of covered karst area hydrodynamic force of the invention causes to collapse another signal of catastrophe Evolution Simulation experimental rig
Figure.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is further described.
Fig. 1 and Fig. 2 are refer to, a kind of covered karst area hydrodynamic force that the present invention is provided causes catastrophe Evolution Simulation experiment of collapsing
A kind of embodiment schematic diagram of device, covered karst area hydrodynamic force catastrophe Evolution Simulation experimental rig that causes to collapse includes main body
Pilot system 1, water level and rainfall control system 2 and monitoring monitoring system 4.
The Karst funnel that the main body pilot system 1 includes main body soil case 1-1 and is arranged at below the native case 1-1 of the main body
Empty van 1-2, the native case 1-1 of the main body include angle steel 1-5, bottom plate 1-6, side wall (not shown), left part 1-1a, right part 1-1b and in
Portion 1-1c, the angle steel 1-5 are located at native tetra- jiaos of the case 1-1 of main body, and the bottom plate 1-6 is steel plate, and the side wall is transparent tempering glass
Glass, the angle steel 1-5 and bottom plate 1-6 is welded, and the side wall is fixed between angle steel 1-5 and bottom plate 1-6, the bottom plate 1-6
On be fixed with left barrier 1-3a and right barrier 1-3b, the native case 1-1's of left barrier 1-3a and right barrier 1-3b segmentation main body is interior
Portion space, is middle part 1-1c between the left barrier 1-3a and right barrier 1-3b, is between left the baffle 1-3a and left side wall
Left part 1-1a, is right part 1-1b between right the barrier 1-3b and right side wall, and the left barrier 1-3a and right barrier 1-3b are bands
Load soil body sample in punctulate lucite, the middle part 1-1c with simulated diving water-bearing layer geologic structure, it is described it is left every
Soil body sample is limited in the 1-1c of middle part by gear 1-3a and right barrier 1-3b, and the left part 1-1a and right part 1-1b turn into cavity,
Supplied water for filling water to middle part 1-1c.
The bottom plate 1-6 centre positions are the square apertures of fixed dimension provided with opening 1-7, the opening 1-7, described to open
First flange disk 1-8 is welded with mouth 1-7, the first flange disk 1-8 shape sizes are adapted in the opening 1-7, institute
It is the square flange that steel plate is made to state first flange disk 1-8.
The Karst funnel empty van 1-2 includes the second flange disk 1-10a for being located at top, the 3rd ring flange for being located at bottom
1-10b and bottom plate 1-11, the second flange disk 1-10a are adapted with first flange disk 1-8, the Karst funnel empty van 1-2
Upper end is connected by second flange disk 1-10a with first flange disk 1-8, second flange disk 1-10a and first flange the disk 1-8
Between be adapted by watertight rubber pad sealing, the bottom plate 1-11 with the 3rd ring flange 1-10b sizes, the 3rd flange
Lead between disk 1-10b connecting bottom boards 1-11 and Karst funnel empty van 1-2 lower ends, bottom plate 1-11 and Karst funnel the empty van 1-2
Cross watertight rubber pad sealing.
The side wall of the Karst funnel empty van 1-2, second flange disk 1-10a, bottom plate 1-11 and the 3rd ring flange 1-10b are equal
It is made of transparent plexiglass plate.
Loading soil body sample in the Karst funnel empty van 1-2 is used to simulate artesian aquifer geologic structure, the karst
The funnel empty van 1-2 left and right sides is respectively arranged with left lucite water tank 1-9a and right lucite water tank 1-9b, and the left side has
Machine glass water tank 1-9a and right lucite water tank 1-9b is used to uniformly supply water to Karst funnel empty van 1-2, is contained with simulating pressure-bearing
Water layer SEA LEVEL VARIATION situation.
The glass that the side wall of the main body soil case 1-1 and Karst funnel empty van 1-2 is used all is clear glass, just
In analog case in the monitoring monitoring system 4 observation main body soil case 1-1 and Karst funnel empty van 1-2.
The water level and rainfall control system 2 include tank 2-2b, constant pressure frequency conversion water pump 2-2a, running water pipe 2-10, under
Water inlet pipe 2-9, lower discharging tube 2-11, left water level control box 2-1a, right control cabinet 2-1b, left fluctuation in stage platform 2-5a, You Shui
Position hoistable platform 2-5b, the first distributive pipe 3-3a, the second distributive pipe 3-3b and the 3rd distributive pipe 3-3c, the left fluctuation in stage are put down
Platform 2-5a and right fluctuation in stage platform 2-5b are separately fixed on the ground of the main body soil case 1-1 left and right sides, the left water level control
Case 2-1a processed is removably fixed on left fluctuation in stage platform 2-5a, and the left water level control box 2-1a can be along left fluctuation in stage
Platform 2-5a is moved up and down, and the left water level control box 2-1a is provided with left water inlet pipe 2-6a, left outlet pipe 2-7a and left overflow pipe
Water is transported to left water level control box 2-1a, the left outlet pipe 2- by 2-8a, the left water inlet pipe 2-6a from water source (not shown)
7a connections left part 1-1a bottoms and left water level control box 2-1a, the left outlet pipe 2-7a is by the water in left water level control box 2-1a
Left part 1-1a is delivered to, until reaching water unnecessary in preset water level, the left water level control box 2-1a by left overflow pipe 2-8a
Output.
The right control cabinet 2-1b is fixed on right fluctuation in stage platform 2-5b, and the right control cabinet 2-1b can be along right water level liter
Drop platform 2-5b is moved up and down, and the right water level control box 2-1b is provided with right water inlet pipe 2-6b, right outlet pipe 2-7b and right spilling water
Pipe 2-8b, the right water inlet pipe 2-6b water is transported to right water level control box 2-1b, the right outlet pipe 2- from water source (not shown)
7b connections right part 1-1b bottoms and right water level control box 2-1b, the right outlet pipe 2-7b send right water level control box 2-1b water
To right part 1-1b, the right overflow pipe 2-8b exports water unnecessary in right water level control box 2-1b.
When the water level for setting the left part 1-1a is higher than the water level of the right part 1-1b, the water of the left part 1-1a passes through
Left barrier 1-3a enters middle part 1-1c, then enters right part 1-1b, the right outlet pipe 2-7b by right part by right barrier 1-3b
Water unnecessary 1-1b is delivered to right water level control box 2-1b；When the water level and the water of the right part 1-1b that set the left part 1-1a
When position is flushed, the water of the left part 1-1a and right part 1-1b enter middle part 1- by left barrier 1-3a and right barrier 1-3b respectively
After 1c, then by opening 1-7 enter Karst funnel empty van 1-2.
The left fluctuation in stage system 2-5a is made in the native case of main body by changing left water level control box 2-1a upper-lower position
Water level is reduced or risen, and the right fluctuation in stage system 2-5b makes master by changing right water level control box 2-1b upper-lower position
Body soil case 1-1 reclaimed water potential drops are low or rise, so that the change of simulated diving water-bearing layer water level.
The running water pipe 2-10 conveys water to tank 2-2b, and the constant pressure frequency conversion water pump 2-2a passes through lower water inlet pipe 2-9
Water in tank 2-2b is exported to lower discharging tube 2-11, described lower discharging tube 2-11 one end connects constant pressure frequency conversion water pump 2-2a,
The other end is connected with the first distributive pipe 3-3a, the second distributive pipe 3-3b and the 3rd distributive pipe 3-3c simultaneously.
Described first distributive pipe 3-3a one end connects lower discharging tube 2-11, and the other end connects left water tank 1-9a, described first
One end that distributive pipe 3-3a is connected with lower water inlet pipe 2-11 is provided with the first valve 3-1a, and the first valve 3-1a is used to controlling the
Water-carrying capacity in one distributive pipe 3-3a, the other end that the first distributive pipe 3-3a is connected with left water tank 1-9a is provided with the first display
Fluid level transmitter 2-3a, described first shows that fluid level transmitter 2-3a is measured and controlled to water level in left water tank 1-9a.
Described second distributive pipe 3-3b one end connects lower discharging tube 2-11, and the other end connects right water tank 1-9b, described second
One end that distributive pipe 3-3b is connected with 2-11 is used for the second distributive pipe of control provided with the second valve 3-1b, the second valve 3-1b
Water-carrying capacity in 3-3b, the other end that the second distributive pipe 3-3b is connected with right water tank 1-9b is provided with the second display level transmitting
Device 2-3b, described second shows that fluid level transmitter 2-3b is measured and controlled to water level in right water tank 1-9b.
Lucite water tank 1-9a's first distributive pipe 3-3a supplies water to the left, the first valve 3-1a and left display liquid
Position transmitter 2-3a controls left lucite water tank 1-9a water level together, the second distributive pipe 3-3b lucite water to the right
Case 1-9a supplies water, and the second valve 3-1b and right display fluid level transmitter 2-3b control right lucite water tank 1- together
9a water level.The left lucite water tank 1-9a and right lucite water tank 1-9a supply water and controlled to Karst funnel empty van 1-2
Karst funnel empty van 1-2 processed SEA LEVEL VARIATION, so as to simulate the change of artesian aquifer water level.
Described 3rd distributive pipe 3-3c one end connects lower discharging tube 2-11, and the other end is fixed on directly over the native case 1-1 of main body,
One end that the 3rd distributive pipe 3-3c is fixed on directly over the native case 1-1 of main body is provided with multiple sprayer 3-2, multiple sprayings
Device 3-2 is used to simulate rain making, and one end that the 3rd distributive pipe 3-3c is connected with lower discharging tube 2-11 is provided with flow valve 3-
The rainfall intensity for the control sprayer 3-2 that 1c, the flow valve 3-1c pass through the water-carrying capacity in the 3rd distributive pipe 3-3c of control, institute
Stating the reading on flow valve 3-1c is used to record rainfall.
The 3rd distributive pipe 3-3c supplies water to sprayer 3-2, the flow valve 3-1c adjust the 3rd distributive pipe 3-3c to
Sprayer 3-2 output, to simulate different degrees of rain fall.
The monitoring monitoring system 4 of process of the test of the present invention includes pore water pressure sensor 4-1a, soil pressure sensor 4-
1b, camera 4-2, number device for picking (not shown) and computer (not shown), the pore water pressure sensor 4-1a are used for hole
Water pressure monitoring, the soil pressure sensor 4-1b is used for Monitoring on Earth Pressure, and the camera 4-2 is arranged at the main body experiment system
The front of system 1, the pore water pressure sensor 4-1a is embedded in the native case 1- of main body along what center line A-A was symmetrically arranged
In 1, top and the left and right sides are relatively sparse, and middle and bottom is relatively intensive.The soil pressure sensor 4-1b is along center line A-A
It is embedded in the native case 1-1 of main body, position is in below more than square aperture 1-7, correspondence earth's surface.
The camera 4-2 is examined through the clear glass side standing motionless as if facing a wall of the main body pilot system 1 and is recorded the main body soil
Soil body sample in case 1-1 and Karst funnel empty van 1-2, the misalignment under different water levels and different rain falls, institute
State camera 4-2 to be connected with computer, the computer reads and preserved the image that the camera 4-2 is collected.
Several device for picking have multiple, and several device for picking one end connection pore water pressure sensor 4-1a or soil pressure are passed
Sensor 4-1b, other end connection computer, several device for picking collection pore water pressure sensor 4-1a or soil pressure sensor 4-
1b data, and the data of collection are sent to computer, computer reads and preserved the data of number device for picking collection.
When experimental rig is run, bottom plate 1-11 is installed under Karst funnel empty van 1-2 by the 3rd ring flange 1-10b
Then end, the suitable soil body sample of selection will load Karst funnel empty van 1-2, simulation underground is held after the drying of soil body sample, crushing
Aquifer structure feature is pressed, the compacting of soil body sample is filled up in Karst funnel empty van 1-2, then passes through left and right water tank 1-9a, b
A period of time is consolidated after making the full water of soil body sample, at utmost to simulate the original geologic structure in field.
To insert again in the native case 1-1 of main body between lucite grid barrier 1-3a and machine glass mesh barrier b drying,
Soil body sample after crushing, to simulate underground latent water Rotating fields feature, is put into gap water pressure sensing while being put into soil body sample
Device 4-1a and soil pressure sensor 4-1b, after soil body sample is compacted, the water level and rainfall control system 2 pass through left part 1-1a
Supplied water with right 1-1b to middle part 1-1c, make after the full water of soil body sample in the 1-1c of middle part, according to experimental program, open bottom plate 1-
11, adjust left part 1-1a and right 1-1b water level, and simulated rainfall.
The pore water pressure sensor 4-1a monitors pore water pressure, and the soil pressure sensor 4-1b monitors soil pressure,
Several device for picking gather and transmitted the information that the pore water pressure sensor 4-1a and soil pressure sensor 4-1b are collected,
The camera 4-2 records the soil body sample shift situation in the main body pilot system 1, and the computer reads and preserved described
The data that number device for picking and the camera 4-2 are collected.
Herein, the involved noun of locality such as forward and backward, upper and lower is to be located at parts in accompanying drawing in figure and zero
The position of part each other is intended merely to the clear of expression technology scheme and conveniently come what is defined.It should be appreciated that the noun of locality
Use should not limit the claimed scope of the application.
In the case where not conflicting, the feature in embodiment and embodiment herein-above set forth can be combined with each other.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (10)
1. a kind of covered karst area hydrodynamic force causes the catastrophe Evolution Simulation experimental rig that collapses, it is characterised in that：The cover type rock
Molten area's hydrodynamic force catastrophe Evolution Simulation experimental rig that causes to collapse includes main body pilot system, water level and rainfall control system and monitoring prison
Viewing system.The Karst funnel empty van that the main body pilot system includes the native case of main body and is arranged at below the native case of the main body, institute
State the native case of main body and load soil body sample with simulated diving water-bearing layer geologic structure, the Karst funnel empty van loads soil body sample mould
Intend artesian aquifer geologic structure, the water level and rainfall control system to the native case of main body by supplying water, converting water level, rainfall etc.
Means simulated diving water-bearing layer SEA LEVEL VARIATION, the water level and rainfall control system to Karst funnel empty van by supplying water and controlling
The means simulation artesian aquifer SEA LEVEL VARIATION of water level, the monitoring monitoring system reads and preserved the soil in the native case of the main body
Pore water pressure under different water levels and different condition of raining of soil body sample in body sample and the Karst funnel empty van, should
Power, the situation of change of strain.
2. covered karst area as claimed in claim 1 hydrodynamic force causes the catastrophe Evolution Simulation experimental rig that collapses, it is characterised in that：
The native case of the main body includes angle steel, bottom plate, side wall, left part, right part and middle part, and the angle steel is located at the native case corner of main body, described
Bottom plate is steel plate, and the side wall is safety glass, and the angle steel and bottom plate are welded, the side wall be fixed on angle steel and bottom plate it
Between, left barrier and right barrier, the inner space of the native case of left barrier and right barrier segmentation main body, institute are fixed with the bottom plate
State between left barrier and right barrier is middle part, left part between the left baffle and left side wall, between the right barrier and right side wall
It is right part, the left barrier and right barrier are with punctulate lucite, soil body sample to be loaded in the middle part latent to simulate
Soil body sample is limited in middle part by water water-bearing layer geologic structure, the left barrier and right barrier, the water level and rainfall control
System supplies water to left part and right part, and the left part and right part supply water to middle part.
3. covered karst area as claimed in claim 2 hydrodynamic force causes the catastrophe Evolution Simulation experimental rig that collapses, it is characterised in that：
The bottom plate centre position is provided with opening, and the opening is to be welded with first flange under fixed dimension square aperture, the opening
Disk, the first flange disk shape is less than greatly to be adapted with the opening, and the first flange disk is the square method that steel plate is made
Blue disk, the Karst funnel empty van includes the second flange disk for being located at top, the 3rd ring flange and bottom plate that are located at bottom, described
Second flange disk is adapted with first flange disk, and the Karst funnel empty van upper end is connected by second flange disk and first flange disk
Connect, by watertight rubber pad sealing between the second flange disk and first flange disk, the bottom plate with the 3rd ring flange chi
It is very little to be adapted, the 3rd ring flange connecting bottom board and Karst funnel empty van lower end, between bottom plate and the Karst funnel empty van
Loading soil body sample by watertight rubber pad sealing, in the Karst funnel empty van is used to simulate artesian aquifer geologic structure,
The Karst funnel empty van left and right sides is respectively arranged with left lucite water tank and right lucite water tank, left organic glass
Glass water tank and right lucite water tank are used to uniformly supply water to Karst funnel empty van.
4. covered karst area as claimed in claim 3 hydrodynamic force causes the catastrophe Evolution Simulation experimental rig that collapses, it is characterised in that：
The Karst funnel empty van is made of transparent lucite.
5. covered karst area as claimed in claim 4 hydrodynamic force causes the catastrophe Evolution Simulation experimental rig that collapses, it is characterised in that：
It is flat that the water level and rainfall control system include left water level control box, right control cabinet, left fluctuation in stage platform and right fluctuation in stage
Platform, the left fluctuation in stage platform and right fluctuation in stage platform are separately fixed on the ground of the native case left and right sides of main body, described
Left water level control box is removably fixed on left fluctuation in stage platform, and the left water level control box can be along left fluctuation in stage platform
Move up and down, the right control cabinet is fixed on right fluctuation in stage platform, the right control cabinet can be along above and below right fluctuation in stage platform
It is mobile.
6. covered karst area as claimed in claim 5 hydrodynamic force causes the catastrophe Evolution Simulation experimental rig that collapses, it is characterised in that：
The left water level control box is provided with left water inlet pipe, left outlet pipe and left overflow pipe, and water is transported to by the left water inlet pipe from water source
Left water level control box, the left outlet pipe connection left part bottom and left water level control box, the left outlet pipe is by left water level control
Water in case is delivered to left part, until reach that water unnecessary in preset water level, the left water level control box is exported from left overflow pipe,
The right water level control box is provided with right water inlet pipe, right outlet pipe and right overflow pipe, and the right water inlet pipe water is transported to the right side from water source
Water level control box, the right outlet pipe connection right part bottom and right water level control box, the right outlet pipe is by right water level control box
Water deliver to right part, the right overflow pipe exports water unnecessary in right water level control box, and the left fluctuation in stage system passes through
Change the upper-lower position of left water level control box, make the native case reclaimed water potential drop of main body low or rise, the right fluctuation in stage system passes through
Change the upper-lower position of right water level control box, make the native case reclaimed water potential drop of main body low or rise, so that simulated diving water-bearing layer water level
Change.
7. covered karst area as claimed in claim 6 hydrodynamic force causes the catastrophe Evolution Simulation experimental rig that collapses, it is characterised in that：
The water level and rainfall control system also include tank, constant pressure frequency conversion water pump, running water pipe, lower water inlet pipe, lower discharging tube, first
Distributive pipe and the second distributive pipe, the running water pipe convey water to tank, and the constant pressure frequency conversion water pump is by lower water inlet pipe by water
Water in groove is exported to lower discharging tube, and described lower discharging tube one end connects constant pressure frequency conversion water pump, the other end simultaneously with first point of water
Pipe, the connection of the second distributive pipe, described first distributive pipe one end connect lower discharging tube, and the other end connects left water tank, described first point
One end that water pipe is connected with lower water inlet pipe is provided with the first valve, and first valve is used to control the current in the first distributive pipe
Amount, the other end that first distributive pipe is connected with left water tank is provided with the first display fluid level transmitter, the first display liquid level
Transmitter is used for the measurement and control of left Water in Water Tanks position, and described second distributive pipe one end connects lower discharging tube, other end connection
Right water tank, second distributive pipe is provided with the second valve with the one end being connected, and second valve is used to control the second distributive pipe
In water-carrying capacity, the other end that second distributive pipe is connected with right water tank provided with second display fluid level transmitter, described second
Show that fluid level transmitter is used for the measurement and control of right Water in Water Tanks position, lucite water tank is supplied first distributive pipe to the left
Water, first valve and left display fluid level transmitter control the water level of left lucite water tank, second distributive pipe together
Lucite cistern water supply to the right, second valve and right display fluid level transmitter control right lucite water tank together
Water level, the left lucite water tank and right lucite water tank supply water to Karst funnel empty van and control Karst funnel empty van
SEA LEVEL VARIATION, so as to simulate the change of artesian aquifer water level.
8. covered karst area as claimed in claim 7 hydrodynamic force causes the catastrophe Evolution Simulation experimental rig that collapses, it is characterised in that：
The water level and rainfall control system also include the 3rd distributive pipe, and described 3rd distributive pipe one end connects lower discharging tube, the other end
It is fixed on directly over the native case of main body, one end that the 3rd distributive pipe is fixed on directly over the native case of main body is provided with multiple sprayers,
Multiple sprayers are used to simulate rain making, and one end that the 3rd distributive pipe is connected with lower discharging tube is provided with flow valve,
Reading on the rainfall intensity for the control sprayer that the flow valve passes through the water-carrying capacity in the 3rd distributive pipe of control, the flow valve
Number is used to record rainfall, and the 3rd distributive pipe supplies water to sprayer, and the distributive pipe of flow valve regulation the 3rd is to sprayer
Output, to simulate different degrees of rain fall.
9. covered karst area as claimed in claim 8 hydrodynamic force causes the catastrophe Evolution Simulation experimental rig that collapses, it is characterised in that：
The monitoring monitoring system includes camera and computer, and the camera is arranged at the front of the main body pilot system, institute
State camera to be connected with computer, the camera is examined through the side standing motionless as if facing a wall and records the native case of the main body and Karst funnel empty van
In displacement and deformation failure situation of the soil body sample under different water levels and different rain fall, the computer reads and protects
Deposit the situation of the camera record.
10. covered karst area as claimed in claim 9 hydrodynamic force causes the catastrophe Evolution Simulation experimental rig that collapses, its feature exists
In：The monitoring monitoring system also includes pore water pressure sensor, soil pressure sensor sum device for picking, the pore water pressure
Force snesor is monitored for pore water pressure, and the soil pressure sensor is used for Monitoring on Earth Pressure, and several device for picking have multiple, many
Individual several device for picking one end connection pore water pressure sensors or soil pressure sensor, other end connection computer, the number are adopted
Device gathers the data of pore water pressure sensor or soil pressure sensor, and the data of collection are sent into computer, and computer is read
Take and preserve the data of number device for picking collection.
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| CN201710504791.5A CN107167579A (en) | 2017-06-28 | 2017-06-28 | A kind of covered karst area hydrodynamic force causes the catastrophe Evolution Simulation experimental rig that collapses |
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Application publication date: 20170915 |