CN108680430A - A kind of tail residues centrifugal model seepage flow with consolidation control system and test method - Google Patents
A kind of tail residues centrifugal model seepage flow with consolidation control system and test method Download PDFInfo
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- CN108680430A CN108680430A CN201810214236.3A CN201810214236A CN108680430A CN 108680430 A CN108680430 A CN 108680430A CN 201810214236 A CN201810214236 A CN 201810214236A CN 108680430 A CN108680430 A CN 108680430A
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- 238000007596 consolidation process Methods 0.000 title claims abstract description 46
- 238000010998 test method Methods 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 161
- 238000012360 testing method Methods 0.000 claims abstract description 53
- 230000035515 penetration Effects 0.000 claims abstract description 40
- 239000011148 porous material Substances 0.000 claims abstract description 13
- 230000001133 acceleration Effects 0.000 claims abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 22
- 239000010959 steel Substances 0.000 claims description 22
- 238000006073 displacement reaction Methods 0.000 claims description 20
- 238000002347 injection Methods 0.000 claims description 12
- 239000007924 injection Substances 0.000 claims description 12
- 230000005484 gravity Effects 0.000 claims description 4
- 238000013461 design Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 230000006641 stabilisation Effects 0.000 claims description 3
- 238000011105 stabilization Methods 0.000 claims description 3
- 239000011800 void material Substances 0.000 claims description 3
- 238000003809 water extraction Methods 0.000 claims description 2
- 238000003556 assay Methods 0.000 claims 1
- 238000002474 experimental method Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 6
- 230000008878 coupling Effects 0.000 abstract description 5
- 238000010168 coupling process Methods 0.000 abstract description 5
- 238000005859 coupling reaction Methods 0.000 abstract description 5
- 239000002689 soil Substances 0.000 abstract description 3
- 238000012544 monitoring process Methods 0.000 abstract description 2
- 239000000523 sample Substances 0.000 description 50
- 238000009434 installation Methods 0.000 description 2
- 239000013068 control sample Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/082—Investigating permeability by forcing a fluid through a sample
- G01N15/0826—Investigating permeability by forcing a fluid through a sample and measuring fluid flow rate, i.e. permeation rate or pressure change
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/0202—Control of the test
- G01N2203/0208—Specific programs of loading, e.g. incremental loading or pre-loading
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/022—Environment of the test
- G01N2203/0236—Other environments
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- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Fluid Mechanics (AREA)
- Dispersion Chemistry (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of tail residues centrifugal model seepage flow with consolidation control system and test methods.Including Sample devices, lower head control device, water feed apparatus and power plant.The present invention also provides the methods for carrying out the experiment of tail residues centrifugal model seepage flow with consolidation using present system to prepare tail residues sample according to test method provided by the invention using the system；After starting the centrifugal acceleration that geotechnical centrifuge reaches given, weight stress consolidation of sample under the conditions of steady seepage is realized；By monitoring sample consolidation deformation and pore pressure, after judging that sample seepage flow and consolidation process reach stable state, by the mechanics parameter for being fixed on the Type portable penetration meter test sample on model cylinder head cover.The system and method for the present invention can be used for all kinds of Tailings Dams, seepage control of dam body, the dyke soil body geo-mechanics parameters under seepage flow with consolidation coupling condition and test.
Description
Technical field
The present invention relates to a kind of tail residues centrifugal model seepage flow with consolidation control system and test methods, especially suitable for all kinds of
The geo-mechanics parameters test under seepage flow with consolidation coupling condition such as Tailings Dam, seepage control of dam body, dyke.
Background technology
With the restriction of development and the land use of technique of preparing, the Tailings Dam in China is necessarily built a dam and high heap towards particulate
Tailing dam direction is developed, and Hidden hazrads will be protruded more.The permeability of fine tailings material is low, seepage flow and consolidation process phase coupling
It closes, is difficult to measure its mechanics parameter using conventional methods.
The super gravity field provided using centrifuge can preferably realize seepage flow coupling synchronous with consolidation process, but mesh
The preceding relevant device and test method that there is no centrifugal model seepage flow with consolidation both at home and abroad.
Invention content
The object of the present invention is to provide a kind of tail residues centrifugal model seepage flow with consolidation control system and test methods.
To realize the above-mentioned technical purpose, the present invention adopts the following technical scheme that：
A kind of tail residues centrifugal model seepage flow with consolidation control system, which is characterized in that including Sample devices, lower head control dress
It sets, water feed apparatus and power plant；The Sample devices include test specimen tube, and the test specimen tube is set to lower head control device
In tube filled with water；The upper porous disc of test specimen tube inner wall setting and lower porous disc are packed into tail residues examination between upper porous disc and lower porous disc
Sample；It is connected with displacement meter above upper porous disc, porous disc displacement in measurement；It is additionally provided with the centre bore of perforation on upper porous disc, tucks inside the sleeve
Precious penetrometer gos deep into tail residues sample across upper porous disc centre bore；Pore water pressure sensor is buried in tail residues sample；On
The first spout hole is opened up on the sample barrel at upper head above porous disc, the first spout hole connects overflow pipe, for being discharged；
The lower head control device includes tube filled with water；The steel ladle is set to below test specimen tube；Test specimen tube below lower porous disc
The second spout hole is opened up on wall, and the water oozed under lower porous disc is introduced into steel ladle；The steel ladle barrel opens up at lower head
Third spout hole, for being discharged；The water feed apparatus includes water pump；Described water pump one end connects water source, and the other end passes through first
Water is pumped into Sample devices by water pipe；The power plant connects Type portable penetration meter, is used to provide power.According to experiment needs, open
Start power apparatus, Type portable penetration meter downward injection in tail residues sample may be implemented, obtain the mechanics parameter of tail residues sample.
As a further improvement on the present invention, further include cycle water storage apparatus；The cycle water storage apparatus includes following
Ring water storage barrel, steel ladle are set in recirculated water storage barrel, and the water level in recirculated water storage barrel has to be lower than in steel ladle
Lower head；First spout hole connects overflow pipe, introduces the water into cycle water storage apparatus；Third spout hole draws the water in steel ladle
Enter to recycle water storage apparatus；The water feed apparatus includes the second water pipe；The water pump is by the second water pipe by recirculated water storage barrel
In water extraction, and water is pumped into Sample devices by the first water pipe.It is oozed out when can be by experiment using cycle water storage apparatus
Water recycled, continue to put into next round experiment, save water source, and the water for flowing through CHARACTERISTICS OF TAILINGS SAND will not outflow, and will not cause
Environmental pollution.
As a further improvement on the present invention, further include head cover, the head cover is set at the top of recirculated water storage barrel；It is described
Water pump, the first water pipe and power plant are fixed on head cover；The upper porous disc of displacement meter one end connection, the other end connect head cover
Lower part；The centre bore of perforation is opened up on the head cover, Type portable penetration meter one end stretches out top cap central bore, is connected with power plant,
The other end gos deep into tail residues sample across upper porous disc centre bore.
As a further improvement on the present invention, multiple first spout holes are offered on the test specimen tube, according to upper head height
The first spout hole connects overflow pipe needed for journey selection, and closes other spout holes.Can be according to the requirement of upper head when experiment, it will
Overflow pipe is fixed on the first spout hole of different height, the sealing of other first spout holes.
As a further improvement on the present invention, multiple third spout holes are offered on the steel ladle, according to lower head height
Third spout hole needed for journey selection, and close other spout holes.Specific position can be opened when experiment according to the requirement of lower head
Third spout hole, seal other third spout holes.The flow that overflow goes out enters recirculated water storage section.
As a further improvement on the present invention, it is cased with casing on the injection bar of the Type portable penetration meter.Casing can be eliminated
Friction between the injection bar and tail residues sample of Type portable penetration meter reduces influence of the device to stringency of test.
As a further improvement on the present invention, the head cover is equipped with lifting lug.Setting lifting lug can be used for system in laboratory
Interior lifting.
Another object of the present invention is to provide the test method of above-mentioned Tailings Dam centrifugal model seepage flow with consolidation control system,
Steps are as follows：
S1. tube filled with water is placed in recirculated water storage barrel；
S2. test specimen tube is closed into overflow pipe and spout hole, be placed in tube filled with water；
S3. porous disc is placed in test specimen tube；
S4. air-dried tail residues style layering is packed into test specimen tube, every layer of 2 ~ 3cm, according to desired void ratio, control examination
Sample thickness, every layer of sample are slowly filled with water to sample top surface into test specimen tube after installing；During filling sample, according to requiring embedded pore water
The position of pressure sensor, Type portable penetration meter, Type portable penetration meter is in sample center；
S5. upper permeable sleeve-board is crossed into Type portable penetration meter after sample installs, is placed on tail residues sample；
S6. overflow pipe is opened, upper head is slowly filled with water into test specimen tube；
S7. third spout hole is opened, lower head is slowly filled with water into tube filled with water；
S8. flow needed for preresearch estimates sample seepage flow, according to traffic needs slow water-filling, recirculated water into recirculated water storage barrel
Water level in storage barrel has to be lower than lower head；And open the second spout hole；
S9. displacement meter, water pipe, water pump, water pipe are fixed on head cover；
S10. head cover is fixed at the top of recirculated water storage barrel, the injection bar of Type portable penetration meter passes through the centre bore of head cover；It will move
Power apparatus is connected with the injection bar of Type portable penetration meter, and power plant is fixed on head cover；Completion system is installed；
S11. system is lifted to centrifugal basket platform, pore water pressure sensor, Type portable penetration meter, displacement meter is connected
To centrifuge data collecting system；It is water pump, power plant power supply by the power slip ring that centrifuge is equipped with；Water pump is opened, is protected
Unlatching is held until off-test, keeps the upper head of tail residues sample and lower head；
S12. start centrifuge to design acceleration, apply super gravity field to tail residues sample, make the water of head and lower head
Head difference reaches actual condition, while realizing the dead weight consolidation of tail residues samples, is adopted by pore water pressure sensor, displacement meter
Collect data, monitors the state of seepage flow and consolidation；
S13. wait for that seepage flow and consolidation reach stable state, start power plant, drive Type portable penetration meter to tail residues sample into
The mechanics parameter of tail residues sample is tested in row cone penetration test；Stop power plant after the completion of test；
S14. stop centrifuge, stop water pump；
S15. by the data of displacement meter, the density after the tail residues sample seepage consolidation stabilization that converts.
System and method using the present invention after starting the centrifugal acceleration that geotechnical centrifuge reaches given, realize sample
Weight stress consolidation under the conditions of steady seepage；By monitoring sample consolidation deformation and pore pressure, sample seepage flow and consolidation are judged
After process reaches stable state, by the mechanics parameter for being fixed on the Type portable penetration meter test sample on model cylinder head cover.This
It is native under seepage flow with consolidation coupling condition that the system and method for invention can be used for all kinds of Tailings Dams, seepage control of dam body, the dyke soil body
Mechanics parameter testing.Using system provided by the invention and test method, can the Accurate Determining soil body coupled in seepage flow with consolidation
Under the conditions of mechanics parameter.And test water can be recycled, more preferably economic and environment-friendly.
Description of the drawings
Fig. 1 is tail residues centrifugal model seepage flow with consolidation control system apparatus structure schematic diagram of the present invention.
Specific implementation mode
Embodiment 1
Tail residues centrifugal model seepage flow with consolidation control system as shown in Figure 1, including Sample devices, lower head control device, into
Water installations and power plant 21；The power plant 21 uses motor 21.
The Sample devices include test specimen tube 1, and the test specimen tube 1 is set in the tube filled with water 12 of lower head control device；
The upper porous disc 7 of 1 inner wall of test specimen tube setting and lower porous disc 2, are packed into tail residues sample 3 between upper porous disc 7 and lower porous disc 2；
The top of upper porous disc 7 is connected with displacement meter 8,7 displacement of porous disc in measurement；It is additionally provided with the centre bore of perforation on upper porous disc 7, tucks inside the sleeve
Precious penetrometer 5 gos deep into tail residues sample 3 across 7 centre bore of upper porous disc, wherein is cased on the injection bar of Type portable penetration meter 5
Pipe 6；Pore water pressure sensor 4 is buried in tail residues sample 3；On 1 wall of test specimen tube at the upper head 10 of 7 top of upper porous disc
Multiple first spout holes are offered, select required first spout hole to connect overflow pipe according to 10 elevation of upper head, and close other
Spout hole, the first spout hole connects overflow pipe 9, for being discharged；
The lower head control device includes tube filled with water 12；The steel ladle 12 is set to 1 lower section of test specimen tube；Below lower porous disc
1 wall of test specimen tube on open up the second spout hole 11, by the water oozed under lower porous disc 2 introduce steel ladle 12；On the steel ladle 12
Multiple third spout holes 13 are offered, required third spout hole 13 are selected according to 14 elevation of lower head, and close other spout holes,
For being discharged；
The water feed apparatus includes water pump 18；18 one end of the water pump connects water source, and the other end is by the first water pipe 19 by water pump
Enter Sample devices；
The power plant 21 connects Type portable penetration meter 5, is used to provide power.
The present embodiment system test mode is as follows：
The tail residues of collection site, transport laboratory back, are air-dried, sieving processing；
According to the requirement of tailing dam safety Analysis, several upper head elevation, lower head elevation, sample density, examination are selected
Sample height carries out the experiment of tail residues centrifugal model seepage flow with consolidation, tests respectively under different infiltration energies and dead weight consolidation condition
Tail residues mechanics parameter；
Tail residues mechanics parameter under the conditions of the different seepage flow with consolidation obtained using experiment carries out tailing dam safety Analysis,
For the filling of Tailings Dam, safe operation provides corresponding technical support.Specific steps will further illustrate in example 4.
Embodiment 2
The present embodiment the difference is that only with embodiment 1, further include cycle water storage apparatus；
The cycle water storage apparatus includes recirculated water storage barrel 15, and steel ladle 12 is set in recirculated water storage barrel 15, cycle
Water level 16 in water storage barrel 15 has to be lower than the lower water level 14 in steel ladle 12；First spout hole connects overflow pipe 9, and water is drawn
Enter to recycle water storage apparatus；Water in steel ladle 12 is introduced cycle water storage apparatus by third spout hole 13；
The water feed apparatus includes the second water pipe 17；The water pump 18 is by the second water pipe 17 by the water in recirculated water storage barrel 15
Extraction, and water is pumped into Sample devices by the first water pipe 19.
Embodiment 3
The present embodiment the difference is that only with embodiment 2, further include head cover 20；
The head cover 20 is set to 15 top of recirculated water storage barrel；
The water pump 18, the first water pipe 19 and power plant 21 are fixed on head cover；
The upper porous disc 7 of 8 one end of displacement meter connection, the other end connect head cover lower part；
The centre bore of perforation is opened up on the head cover 20,20 centre bore of head cover is stretched out in 5 one end of Type portable penetration meter, with power plant 21
It is connected, the other end gos deep into tail residues sample 3 across 7 centre bore of upper porous disc；
The head cover 20 is equipped with lifting lug.
Embodiment 4
The present embodiment provides a kind of specific test method, includes the following steps by taking system described in embodiment 3 as an example：
S1. tube filled with water 12 is placed in recirculated water storage barrel 15；
S2. test specimen tube 1 is closed into overflow pipe 9 and spout hole 11, be placed in tube filled with water 12；
S3. porous disc 2 is placed in test specimen tube 1；
S4. the air-dried layering of tail residues style 3 is packed into test specimen tube 1, every layer of 2 ~ 3cm, according to desired void ratio, control
Sample thickness, every layer of sample are slowly filled with water to sample top surface into test specimen tube 1 after installing；During filling sample, according to requiring embedded hole
The position of gap water pressure sensor 4, Type portable penetration meter 5, Type portable penetration meter 5 is in sample center；
S5. it by 7 sets of upper porous disc Type portable penetration meter 5 after sample installs, is placed on tail residues sample 3；
S6. overflow pipe 9 is opened, upper head 10 is slowly filled with water into test specimen tube 1；
S7. third spout hole 13 is opened, lower head 14 is slowly filled with water into tube filled with water 12；
S8. flow needed for preresearch estimates sample seepage flow, according to traffic needs slow water-filling, water level into recirculated water storage barrel 15
16 have to be lower than the lower head 14 in steel ladle 12；And open the second spout hole 11；
S9. displacement meter 8, water pipe 17, water pump 18, water pipe 19 are fixed on head cover 20；
S10. head cover 20 is fixed on 15 top of recirculated water storage barrel, the injection bar of Type portable penetration meter 5 passes through the center of head cover 20
Hole；Power plant 21 is connected with the injection bar of Type portable penetration meter 5, and power plant 21 is fixed on head cover 20；Complete system
System installation；
S11. system is lifted to centrifugal basket platform, pore water pressure sensor 4, Type portable penetration meter 5, displacement meter 8 is connected
It is connected to centrifuge data collecting system；It is water pump 18, the power supply of power plant 21 by the power slip ring that centrifuge is equipped with；Open water
Pump 18 is kept it turning on until off-test, keeps the upper head 10 and lower head 14 of tail residues sample 3；
S12. start centrifuge to design acceleration, apply super gravity field to tail residues sample 3, make head 10 and lower head
14 head difference reaches actual condition, while realizing the dead weight consolidation of tail residues sample 3, passes through pore water pressure sensor 4, position
The gathered data of meter 8 is moved, the state of seepage flow and consolidation is monitored；
S13. it waits for that seepage flow and consolidation reach stable state, starts power plant 21, Type portable penetration meter 5 is driven to try tail residues
Sample 3 carries out cone penetration test, the mechanics parameter of test tail residues sample 3；Stop power plant 21 after the completion of test；
S14. stop centrifuge, stop water pump 18；
S15. by the data of displacement meter 8, the density after the 3 seepage consolidation stabilization of tail residues sample that converts.
Claims (10)
1. a kind of tail residues centrifugal model seepage flow with consolidation control system, which is characterized in that including Sample devices, lower head control dress
It sets, water feed apparatus and power plant（21）；
The Sample devices include test specimen tube（1）, the test specimen tube（1）It is set to the tube filled with water of lower head control device（12）
It is interior；Test specimen tube（1）The upper porous disc of inner wall setting（7）With lower porous disc（2）, upper porous disc（7）With lower porous disc（2）Between be packed into
Tail residues sample（3）；Upper porous disc（7）Top is connected with displacement meter（8）, porous disc in measurement（7）Displacement；Upper porous disc（7）
On be additionally provided with the centre bore of perforation, Type portable penetration meter（5）Across upper porous disc（7）Centre bore gos deep into tail residues sample（3）；Tailing
Expect sample（3）Interior embedded pore water pressure sensor（4）；Upper porous disc（7）The upper head of top（10）The test specimen tube at place（1）Wall
On open up the first spout hole, the first spout hole connects overflow pipe（9）, for being discharged；
The lower head control device includes tube filled with water（12）；The steel ladle（12）It is set to test specimen tube（1）Lower section；Under it is permeable
Test specimen tube below plate（1）The second spout hole is opened up on wall（11）, by lower porous disc（2）Under the water that oozes introduce steel ladle（12）；
The steel ladle（12）Barrel is in lower head（10）Place opens up third spout hole（13）, for being discharged；
The water feed apparatus includes water pump（18）；The water pump（18）One end connects water source, and the other end passes through the first water pipe（19）
Water is pumped into Sample devices；
The power plant（21）Connect Type portable penetration meter（5）, it is used to provide power.
2. tail residues centrifugal model seepage flow with consolidation control system according to claim 1, which is characterized in that further include cycle
Water storage apparatus；
The cycle water storage apparatus includes recirculated water storage barrel（15）, steel ladle（12）It is set to recirculated water storage barrel（15）
It is interior, recirculated water storage barrel（15）Interior water level（16）Less than steel ladle（12）In lower head（14）；The connection of first spout hole is overflow
Flow tube（9）, introduce the water into cycle water storage apparatus；Third spout hole（13）By steel ladle（12）Interior water introduces recirculated water storage
Device；
The water feed apparatus includes the second water pipe（17）；The water pump（18）Pass through the second water pipe（17）By recirculated water storage barrel
（15）In water extraction, and water is passed through into the first water pipe（19）It is pumped into Sample devices.
3. tail residues centrifugal model seepage flow with consolidation control system according to claim 2, which is characterized in that further include head cover
（20）, the head cover（20）It is set to recirculated water storage barrel（15）Top；
The water pump（18）, the first water pipe（19）And power plant（21）It is fixed on head cover；
The displacement meter（8）The upper porous disc of one end connection（7）, other end connection head cover lower part；
The head cover（20）On open up the centre bore of perforation, Type portable penetration meter（5）Head cover is stretched out in one end（20）Centre bore, with power
Device（21）It is connected, the other end passes through upper porous disc（7）Centre bore gos deep into tail residues sample（3）.
4. tail residues centrifugal model seepage flow with consolidation control system according to claim 1, which is characterized in that the test specimen tube
（1）On offer multiple first spout holes, select required first spout hole to connect overflow pipe according to 10 elevation of upper head, and close
Other spout holes.
5. tail residues centrifugal model seepage flow with consolidation control system according to claim 1, which is characterized in that the steel ladle
（12）On offer multiple third spout holes（13）, according to lower head（14）Third spout hole needed for elevation selection（13）, and seal
Close other spout holes.
6. tail residues centrifugal model seepage flow with consolidation control system according to claim 1, which is characterized in that described pocket to pass through
Enter instrument（5）Injection bar on be cased with casing（6）.
7. tail residues centrifugal model seepage flow with consolidation control system according to claim 3, which is characterized in that the head cover
（20）It is equipped with lifting lug.
8. the test method of Tailings Dam centrifugal model seepage flow with consolidation control system described in claim 3, which is characterized in that including such as
Lower step：
S1. by tube filled with water（12）It is placed in recirculated water storage barrel（15）It is interior；
S2. by test specimen tube（1）Close overflow pipe（9）And spout hole（11）, it is placed in tube filled with water（12）It is interior；
S3. by porous disc（2）It is placed in test specimen tube（1）It is interior；
S4. by air-dried tail residues style（3）Layering is packed into test specimen tube（1）It is interior, every layer of 2 ~ 3cm, according to desired void ratio,
Control Assay thickness, every layer of sample install after to test specimen tube（1）It is interior to be slowly filled with water to sample top surface；During filling sample, according to requiring
Embedded pore water pressure sensor（4）, Type portable penetration meter（5）, Type portable penetration meter（5）Position be in sample center；
S5. by upper porous disc after sample installs（7）Covered Type portable penetration meter（5）, it is placed in tail residues sample（3）On；
S6. overflow pipe is opened（9）, to test specimen tube（1）Inside slowly it is filled with water to head（10）；
S7. third spout hole is opened（13）, to tube filled with water（12）Inside slowly it is filled with water to lower head（14）；
S8. flow needed for preresearch estimates sample seepage flow, according to traffic needs to recirculated water storage barrel（15）Interior slow water-filling, water
Position（16）Less than steel ladle（12）In lower head（14）；And open the second spout hole（11）；
S9. by displacement meter（8）, water pipe（17）, water pump（18）, water pipe（19）It is fixed on head cover（20）；
S10. by head cover（20）It is fixed on recirculated water storage barrel（15）Top, Type portable penetration meter（5）Injection bar pass through head cover
（20）Centre bore；By power plant（21）With Type portable penetration meter（5）Injection bar be connected, and by power plant（21）It is fixed on
Head cover（20）On；Completion system is installed；
S11. system is lifted to centrifugal basket platform, by pore water pressure sensor（4）, Type portable penetration meter（5）, displacement
Meter（8）It is connected to centrifuge data collecting system；It is water pump by the power slip ring that centrifuge is equipped with（18）, power plant（21）
Power supply；Open water pump（18）, keep it turning on until off-test, keeps tail residues sample（3）Upper head（10）With lower head
（14）；
S12. start centrifuge to design acceleration, to tail residues sample（3）Apply super gravity field, makes head（10）With under
Head（14）Head difference reach actual condition, while realizing tail residues sample（3）Dead weight consolidation, passed by pore water pressure
Sensor（4）, displacement meter（8）Gathered data, monitor seepage flow and consolidation state；
S13. it waits for that seepage flow and consolidation reach stable state, starts power plant（21）, drive Type portable penetration meter（5）To tailing
Expect sample（3）Cone penetration test is carried out, tail residues sample is tested（3）Mechanics parameter；Stop power plant after the completion of test
（21）；
S14. stop centrifuge, stop water pump（18）；
S15. pass through displacement meter（8）Data, convert tail residues sample（3）Density after seepage consolidation stabilization.
9. test method according to claim 8, which is characterized in that in the S4, Type portable penetration meter（5）Injection bar on
It is cased with casing（6）；Type portable penetration meter（5）And casing（6）Position be in sample center；
In the S5, sample install after by upper porous disc（7）Covered Type portable penetration meter（5）And casing（6）, it is placed in tail residues sample
（3）On.
10. test method according to claim 8, which is characterized in that in the S11, in head cover（20）It is equipped with lifting lug.
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