CN206710215U - A kind of ground temperature osmotic stress chemical Coupling multifunction test system - Google Patents
A kind of ground temperature osmotic stress chemical Coupling multifunction test system Download PDFInfo
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- CN206710215U CN206710215U CN201720129545.1U CN201720129545U CN206710215U CN 206710215 U CN206710215 U CN 206710215U CN 201720129545 U CN201720129545 U CN 201720129545U CN 206710215 U CN206710215 U CN 206710215U
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Abstract
The utility model discloses a kind of ground temperature osmotic stress chemical Coupling multifunction test system, it includes vertical loading device (1), chemical solution isolating device, pressure control device, balancing gate pit (4), Volume Changes measure device (5), temperature control equipment (6) and computer (7), by computer (7) to vertical loading device (1), chemical solution isolating device, pressure control device, balancing gate pit (4), the control of Volume Changes measure device (5) and temperature control equipment (6), complete a variety of soil test operations.The utility model is reasonable in design, simple to operate, has a wide range of application, and automaticity is high, and the full process automatization control of a variety of soil tests can be achieved, and stability is high, service life length.
Description
Technical field
Geotechnical Engineering experiment field is the utility model is related to, is a kind of soil test equipment, more particularly to a kind of ground temperature
Degree-infiltration-stress-chemical Coupling multifunction test system.
Background technology
In every subjects field, environmental factor is increasingly taken seriously, and for Geotechnical Engineering, is then mainly reflected in core and gives up
Material processing, garbage loading embeading and microorganism reinforcing etc., reflection is then to rock under temperature-infiltration-stress-chemical coupling effect
The influence of soil material, under multifactor effect, corresponding change will occur for structure composition, chemical composition in rock-soil material, make it
Physico-mechanical properties changes, and therefore, the research under Multiple factors combination to Geotechnical Engineering becomes particularly important.
In existing chemical Coupling soil test, generally chemical solution is placed directly in pressure controller, due to
The corrosiveness of chemical solution, the burn into for causing controller is damaged, influence the precision of controlling test and measurement, improve examination
Test the maintenance cost of instrument；And in temperature coupling soil test, then more using single water-bath or resistance wire in experiment
Temperature be controlled, this have impact on the accuracy of test temperature control to a certain extent, and add experimentation cost.
Utility model content
Purpose of utility model：In view of the above-mentioned problems existing in the prior art, the purpose of this utility model is to overcome existing examination
The drawbacks of testing instrument, there is provided it is a kind of reasonable in design, it is full-featured, control diversification, can substantially reduce test consumable into
This ground temperature-infiltration-stress-chemical Coupling multifunction test system.
To achieve the above object, the utility model adopts the following technical scheme that：
A kind of ground temperature-infiltration-stress-chemical Coupling multifunction test system, it includes vertical loading device, chemistry
Solution isolating device, pressure control device, balancing gate pit, Volume Changes measure device, temperature control equipment and computer, pass through meter
Calculation machine determines device and temperature to vertical loading device, chemical solution isolating device, pressure control device, balancing gate pit, Volume Changes
The control of control device is spent, completes a variety of soil test operations.
Preferably, above-described a kind of ground temperature-infiltration-stress-chemical Coupling multifunction test system,
Chemical solution isolating device includes the first chemical solution isolating device and the second chemical solution isolating device；The first described chemistry
Solution isolating device and the second chemical solution isolating device include base, the lucite cylinder on base, are placed on
Upper lid at the top of lucite cylinder, is fixed on the diaphragm of lucite cylinder medium position by pressure ring, and diaphragm is by lucite cylinder
It is divided into the upper chamber on top and the lower cavity of bottom；
Described upper chamber is connected with ball valve, and ball valve is connected by the first pipeline with the first magnetic valve；
Second solenoid valve is connected by the second pipeline with lower cavity；
Described upper lid, lucite cylinder and base is fixedly connected by pull bar.
Preferably, above-described a kind of ground temperature-infiltration-stress-chemical Coupling multifunction test system,
Described pressure control device includes back-pressure fixing fabric structure device, confined pressure fixing fabric structure device, osmotic pressure fixing fabric structure device and air pressure
Controller.
Described balancing gate pit is outside two-chamber balancing gate pit, including base, balancing gate pit inner chamber and balancing gate pit on base
Chamber, specimen mount is fixed with base, and the first flexure element, the first annular pottery are installed in specimen mount center to marginal position successively
Native plate and the first annular permeable stone, and between the first annular pottery clay plates and the first annular permeable stone and specimen mount respectively
It is provided with first annular storage cavity and the second annular storage cavity, first annular storage cavity and first passage, fourth lane
It is connected, the second annular storage cavity is connected with second channel, the end of described first passage, fourth lane and second channel
It is respectively arranged with the first high-pressure ball valve, the second high-pressure ball valve and the 3rd high-pressure ball valve；
Intracavitary is provided with built-in load sensor in the balancing gate pit of described balancing gate pit, is installed below built-in load sensor
There is back-pressure cap；Two guide rings are provided between built-in load sensor and seal receptacle, are provided between two guide rings O-shaped
Circle, with the perpendicularity and measurement accuracy of load sensor built in guarantee；Back-pressure cap is located above sample, and sample is located at specimen mount
Top；
Described back-pressure cap is sequentially installed with the second flexure element, the second annular pottery clay plates and second from centre to outward flange
Annular permeable stone, the 3rd annular is respectively arranged between the second annular pottery clay plates and the second annular permeable stone and back-pressure cap
Storage cavity and fourth annular storage cavity, the 3rd annular storage cavity and fourth annular storage cavity respectively with the 7th passage and
6th passage is connected.
Preferably, above-described a kind of ground temperature-infiltration-stress-chemical Coupling multifunction test system,
Described Volume Changes measure device includes cross box, the top room being connected with cross box and the digital display meter being fixed on the room of top；
Described top chamber interior cavity is divided into the first storage chamber and the second storage chamber by piston；
Controlling switch and pole changer are installed on the panel of described cross box, by controlling switch and pole changer not
Same steering, the different connected modes of pipeline can be achieved.
Preferably, above-described a kind of ground temperature-infiltration-stress-chemical Coupling multifunction test system,
Described temperature control equipment includes insulating box, the first temperature sensor, second temperature sensor, three-temperature sensor and water
Bathe circulation pipe；
Described insulating box is wrapped in the outside of balancing gate pit, the first temperature sensor, second temperature sensor and the 3rd temperature
Sensor is spent respectively to be located in insulating box, balancing gate pit inner chamber and balancing gate pit's exocoel；Described water-bath circulation pipe is located at outside balancing gate pit
In chamber, and it is close to the side wall of balancing gate pit inner chamber.
Preferably, above-described a kind of ground temperature-infiltration-stress-chemical Coupling multifunction test system,
Described chemical solution isolating device, the built-in load sensor in balancing gate pit, the digital display meter in Volume Changes measure device, temperature
Spend control device the first temperature sensor, second temperature sensor and three-temperature sensor by data wire respectively with vertically
Loading device is connected；
Described vertical loading device and pressure control device is connected by micro-control unit with computer, is realized and is calculated
Automatic Control of the machine to experiment process；
Described balancing gate pit is placed on vertical loading device, by the temperature control equipment that is connected with balancing gate pit to pressure
Power chamber interior carries out temperature control；
The first described chemical solution isolating device both ends are connected with balancing gate pit and back-pressure fixing fabric structure device respectively, and second
Chemical solution isolating device both ends are connected with balancing gate pit and osmotic pressure fixing fabric structure device respectively；
Described Volume Changes measure device both ends are connected with balancing gate pit inner chamber and confined pressure fixing fabric structure device respectively, and
Another delivery port of confined pressure fixing fabric structure device is connected with balancing gate pit's exocoel.
It is compared with the prior art, the beneficial effects of the utility model are：
1st, ground temperature-infiltration-stress-chemical Coupling multifunction test system provided by the utility model, structure design
Simply, saturated soil experiment and unsaturated soil testing can be taken into account by changing pipeline connection, and can realized on this basis a variety of
Controlling test.
2nd, ground temperature-infiltration-stress-chemical Coupling multifunction test system provided by the utility model, using volume
Change measure device, it can effectively and precisely measure the Volume Changes of sample during experiment.
3rd, ground temperature-infiltration-stress-chemical Coupling multifunction test system provided by the utility model, using constant temperature
The temperature control mode that case and water-bath are combined, the temperature needed for experiment can efficiently, persistently, be accurately kept, without examining
Consider influence of the external environment (when environment temperature and larger actual control temperature spread) to experiment process, be truly realized accurate control
Temperature；
4th, ground temperature-infiltration-stress-chemical Coupling multifunction test system provided by the utility model, using two-chamber
Pressure chamber structure, confined pressure can be applied simultaneously to the inner chamber of balancing gate pit and exocoel, avoid the balancing gate pit side under the effect of long-term confined pressure
Wall deforms caused test error.
5th, ground temperature-infiltration-stress-chemical Coupling multifunction test system provided by the utility model, using chemistry
Solution isolating device, corrosiveness of the chemical solution to controlling test instrument can be avoided, especially at high temperature chemical solution to pass
The corrosivity of sensor, the precision of controlling test can be improved, meet the requirement of long period test, empirical risk and later stage instrument can be reduced
Device maintenance cost.
6th, ground temperature-infiltration-stress-chemical Coupling multifunction test system provided by the utility model, change in instrument
Learning solution isolating device uses two magnetic valves to carry out controlling tests, can be achieved not changing on the basis of instrument connects and realizes routine
Triaxial test (non-chemical solution) controls, i.e.,：By electromagnetic valve switch, pressure controller is set to pass through chemical solution isolating device
Lower cavity is joined directly together logical mode with balancing gate pit and tested.
Brief description of the drawings
Fig. 1 is the structure of ground temperature-infiltration-stress-chemical Coupling multifunction test system described in the utility model
Schematic diagram.
Fig. 2 is chemical solution isolating device section of structure described in the utility model.
Fig. 3 is Volume Changes assay device structures described in the utility model
Fig. 4 is the amplification profile of the A in Fig. 3.
Fig. 5 is pressure chamber structure described in the utility model
Fig. 6 is in Fig. 5 II-II amplification profile.
Fig. 7 is back-pressure cap profile in balancing gate pit's described in the utility model.
Fig. 8 is pressure chamber base profile described in the utility model.
Fig. 9 is temperature control equipment profile described in the utility model.
Embodiment
The utility model is further illustrated with reference to embodiment and its accompanying drawing.
Embodiment 1
As shown in Figure 1 to 9, a kind of ground temperature-infiltration-stress-chemical Coupling multifunction test system, it includes vertical
Loading device 1, chemical solution isolating device, pressure control device, balancing gate pit 4, Volume Changes measure device 5, temperature control dress
6 and computer 7 are put, by computer 7 to vertical loading device 1, chemical solution isolating device, pressure control device, balancing gate pit
4th, the control of Volume Changes measure device 5 and temperature control equipment 6, a variety of soil test operations are completed.
Chemical solution isolating device includes the first chemical solution isolating device 2-1 and the second chemical solution isolating device 2-
2；The first described chemical solution isolating device 2-1 and the second chemical solution isolating device 2-2 includes base 2-8, is arranged on
Lucite cylinder 2-7 on base 2-8, the upper lid 2-18 being placed at the top of lucite cylinder 2-7, is fixed on by pressure ring 2-5
Lucite cylinder is divided into the upper chamber 2-9 on top with by the diaphragm 2-6 of lucite cylinder 2-7 medium positions, diaphragm 2-6
The lower cavity 2-10 in portion；
Described upper chamber 2-9 is connected with ball valve 2-12, and ball valve 2-12 passes through the first pipeline 2-14 and the first magnetic valve
2-16 is connected；
Second solenoid valve 2-15 is connected by the second pipeline (2-13) with lower cavity 2-10；
Described upper lid 2-18, lucite side wall 2-7 and base 2-8 is fixedly connected by pull bar 2-4.
Described pressure control device includes back-pressure fixing fabric structure device 3-1, confined pressure fixing fabric structure device 3-2, osmotic pressure body
Plot controller 3-3 and gas pressure regulator 3-4.
Described balancing gate pit 4 is two-chamber balancing gate pit, including base 4-24, the balancing gate pit inner chamber 4- on base 4-24
1 and balancing gate pit exocoel 4-2, base 4-24 on be fixed with specimen mount 4-8, specimen mount 4-8 centers to marginal position are pacified successively
Fill the first flexure element 4-16, the first annular pottery clay plates 4-17 and the first annular permeable stone 4-18；And the first annular clay
First annular storage cavity 4-20 is respectively arranged between plate 4-17 and the first annular permeable stone 4-18 and specimen mount 4-8
With the second annular storage cavity 4-19, first annular storage cavity 4-20 is connected with first passage 4-25, fourth lane 4-22, the
Second ring storage cavity 4-19 is connected with second channel 4-23, described first passage 4-25, fourth lane 4-22 and second
Passage 4-23 end is respectively arranged with the first high-pressure ball valve 4-30, the second high-pressure ball valve 4-29 and the 3rd high-pressure ball valve 4-28；
Built-in load sensor 4-3, built-in load sensor are installed in the balancing gate pit inner chamber 4-1 of described balancing gate pit 4
Back-pressure cap 4-7 is installed below 4-3；Two guide ring 4-5 are provided between built-in load sensor 4-3 and seal receptacle 4-4,
O-ring 4-6 is installed between two guide ring 4-5, with the perpendicularity and measurement accuracy of load sensor 4-3 built in guarantee；Instead
Pressure cap 4-7 is located above sample 4-32, and sample 4-32 is located above specimen mount 4-8；
Described back-pressure cap 4-7 is sequentially installed with the second flexure element 4-15, the second annular clay from centre to outward flange
Plate 4-14 and the second annular permeable stone 4-10, the second annular pottery clay plates 4-14 and the second annular permeable stone 4-10 and back-pressure
The 3rd annular storage cavity 4-11 and fourth annular storage cavity 4-13 are respectively arranged between cap 4-7, the 3rd annular water storage is empty
Chamber 4-11 and fourth annular storage cavity 4-13 are connected with the 7th passage 4-12 and the 6th passage 4-9 respectively.
Described Volume Changes measure device 5 includes cross box 5-1, the top room 5-2 being connected with cross box 5-1 and fixation
Digital display meter 5-3 on the room 5-2 of top；
Described top room 5-2 internal cavities are divided into the first storage chamber 5-6 and the second storage chamber 5-8 by piston 5-7；
Controlling switch 5-4 and pole changer 5-5 are installed on described cross box 5-1 panel, pass through controlling switch 5-4
The steering different with pole changer 5-5, the different connected modes of pipeline can be achieved.
Described temperature control equipment 6 include insulating box 6-1, the first temperature sensor 6-2, second temperature sensor 6-3,
Three-temperature sensor 6-4 and water-bath circulation pipe 6-5；
Described insulating box 6-1 is wrapped in the outside of balancing gate pit 4, the first temperature sensor 6-2, second temperature sensor 6-
3 and three-temperature sensor 6-4 is located in insulating box 6-1, balancing gate pit inner chamber 4-1 and balancing gate pit exocoel 4-2 respectively；Described water
Bath circulation pipe 6-5 is located in balancing gate pit exocoel 4-2, and is close to balancing gate pit inner chamber 4-1 side wall.
Described chemical solution isolating device, the built-in load sensor 4-3 in balancing gate pit 4, Volume Changes measure device 5
In digital display meter 5-3, temperature control equipment 6 the first temperature sensor 6-2, second temperature sensor 6-3 and the 3rd temperature pass
Sensor 6-4 is connected with vertical loading device 1 respectively by data wire；
Described vertical loading device 1 and pressure control device is connected by micro-control unit with computer 7, realizes meter
Automatic Control of the calculation machine 7 to experiment process；
Described balancing gate pit 4 is placed on vertical loading device 1, passes through the temperature control equipment 6 being connected with balancing gate pit 4
Temperature control is carried out to the inside of balancing gate pit 4；
The first described chemical solution isolating device 2-1 both ends respectively with balancing gate pit 4 and back-pressure fixing fabric structure device 3-1 phases
Connection, the second chemical solution isolating device 2-2 both ends are connected with balancing gate pit 4 and osmotic pressure fixing fabric structure device 3-3 respectively；
Described Volume Changes measure device 5 both ends respectively with the balancing gate pit inner chamber 4-1 in balancing gate pit 4 and confined pressure volume control
Device 3-2 processed is connected, and confined pressure another delivery ports of fixing fabric structure device 3-2 are connected with balancing gate pit exocoel 4-2.
Embodiment 2
The operating method of ground temperature-infiltration-stress-chemical Coupling multifunction test system described in the utility model,
Comprise the following steps：
The controlling switch 5-4 that Volume Changes are determined in device 5 is rotated to " Volume Changes ", then rotates pole changer 5-
5 to " flowing up ", makes confined pressure fixing fabric structure device 3-2 and Volume Changes determine the second storage chamber 5-8 of device 5 and are connected,
First storage chamber 5-6 of Volume Changes measure device 5 will be connected with balancing gate pit inner chamber 4-1；During experiment, sample 4-
32 volume will change, for maintain experiment needed for balancing gate pit 4 in inner chamber 4-1 confined pressures, confined pressure fixing fabric structure device 3-2 to
Water filling, pressurization, the second storage chamber 5-8 extrude the first storage chamber 5-6 in second storage chamber 5-8, and piston 5-7 is moved up, the
The one storage chamber 5-6 air free water injection inner chamber 4-1 of balancing gate pit 4, it is Δ h that digital display meter 5-3, which measures the piston 5-7 amounts of moving up, pushes up room
The sectional area of 5-2 internal cavities is S, then the total deformation of volume of sample is Δ V=Δs h × S.
Embodiment 3
A, the saturated soil triaxial test under the conditions of temperature-infiltration-stress-chemical Coupling, the operating procedure of the utility model
For：
Step 1：Pipeline connects, and closes the first high-pressure ball valve 4-30, the second high-pressure ball valve 4-29 and the 5th as shown in Figure 1
High-pressure ball valve 4-31, the first chemical solution isolator 2-1 threeway 2-17 pass through the Five-channel 4-21 on specimen mount 4-8
It is connected with back-pressure cap 4-7 fourth annular storage cavity 4-13, the second chemical solution isolator 2-2 threeway 2-17 and pressure
The base 4-24 of room second channel 4-23 is connected.
Step 2：Prepare before experiment, exclude the bubble in instrument and pipeline by pressurization, water injection operation, and by instrument
Interior liquid needed for full of experiment, and the installation of sample is completed, wherein the first chemical solution isolating device 2-1, the first chemical solution
Chemical solution is full of in liquid isolating device 2-2 upper chamber 2-9；By the rotary control switch 5-4 of Volume Changes measure device 5
To " Volume Changes ", rotation pole changer 5-5 to " flowing up ".
Step 3：Start to test, controlling test, temperature control are carried out to instrument using computer 7：Pass through the circulation of water-bath
Pipe 6-5 carries out temperature control to balancing gate pit 4, and when reaching temperature needed for experiment, water-bath circulation pipe 6-5 is stopped, balancing gate pit
4 keep the temperature to be tested in insulating box 6-1, and test temperature is finely adjusted by insulating box 6-1；
Infiltration-chemical Coupling control：Osmotic pressure fixing fabric structure device 3-3 is as upper head pressure controller and specimen mount
4-8 is connected, and back-pressure fixing fabric structure device 3-1 is connected as lower head pressure controller with back-pressure cap 4-7, specific connected mode
For：First chemical solution isolating device 2-1 second solenoid valve 2-15 is closed, the first magnetic valve 2-16 is opened, the second chemical solution
Liquid isolating device 2-2 second solenoid valve 2-15 is closed, the first magnetic valve 2-16 is opened, 3-3 pairs of osmotic pressure fixing fabric structure device
Chemical solution isolating device 2-2 lower cavity 2-10 applies pressure, extruding chemical solution isolating device 2-2 upper chamber 2-
9, chemical solution is flowed into certain osmotic pressure in sample, chemical solution penetrates through from sample 4-32, changes into first
Solution isolating device 2-1 upper chamber 2-9 is learned, extrudes the first chemical solution isolating device 2-1 lower cavity 2-10, and will
Pressure, volume parameter feed back to back-pressure fixing fabric structure device 3-1；
Stress Control：Sample 4-32 is applied by vertical loading device 1 and confined pressure fixing fabric structure device 3-2 vertical load and
Ambient pressure.
Step 4：Experiment is completed, sample 4-32 is removed, instrument is cleared up.
B, the unsaturated soil triaxial test under the conditions of temperature-infiltration-stress-chemical Coupling, the operation step of the utility model
Suddenly it is：
Step 1：Pipeline connects, as shown in Figure 1 closing the first high-pressure ball valve 4-30 and the 3rd high-pressure ball valve 4-28, and first
The 3rd ring that chemical solution isolator 2-1 threeway 2-17 passes through Five-channel 4-26 and the 7th passage 4-12 and back-pressure cap 4-7
Shape passage 4-11 is connected, and gas pressure regulator 3-4 passes through the 4th of third channel 4-21 and the 6th passage 4-9 and back-pressure cap 4-7
Circular passage 4-13 is connected, the second chemical solution isolator 2-2 threeway 2-17 and pressure chamber base 4-24 fourth lane
4-22 is connected.
Step 2：Prepare before experiment, exclude the bubble in instrument and pipeline by pressurization, water injection operation, and by instrument
Interior liquid needed for full of experiment, and the installation of sample is completed, wherein the first chemical solution isolating device 2-1, the first chemical solution
Chemical solution is full of in liquid isolating device 2-2 upper chamber 2-9；By the rotary control switch 5-4 of Volume Changes measure device 5
To " Volume Changes ", rotation pole changer 5-5 to " flowing up ".
Step 3：Start to test, controlling test, temperature control are carried out to instrument using computer 7：Pass through the circulation of water-bath
Pipe 6-5 carries out temperature control to balancing gate pit 4, and when reaching temperature needed for experiment, water-bath circulation pipe 6-5 is stopped, balancing gate pit
4 keep the temperature to be tested in insulating box 6-1, and test temperature is finely adjusted by insulating box 6-1；
Infiltration-chemical Coupling control：Osmotic pressure fixing fabric structure device 3-3 is as upper head pressure controller and specimen mount
4-8 is connected, and back-pressure fixing fabric structure device 3-1 is connected as lower head pressure controller with back-pressure cap 4-7, specific mode of communicating
For：First chemical solution isolating device 2-1 second solenoid valve 2-15 is closed, the first magnetic valve 2-16 is opened, the second chemical solution
Liquid isolating device 2-2 second solenoid valve 2-15 is closed, the first magnetic valve 2-16 is opened, 3-3 pairs of osmotic pressure fixing fabric structure device
Chemical solution isolating device 2-2 lower cavity 2-10 applies pressure, extruding chemical solution isolating device 2-2 upper chamber 2-
9, the upper head pressure of the interior generations of circular passage 4-20 for making chemical solution isolating device 2-2 be connected necessarily, back-pressure volume control
Device 3-1 processed applies pressure, extruding the first chemical solution isolation to the first chemical solution isolating device 2-1 lower cavity 2-10
Device 2-1 upper chamber 2-9, the interior generations of circular passage 4-11 for making the first chemical solution isolating device 2-1 be connected are certain
Lower head pressure, make chemical solution with certain osmotic pressure from sample 4-32 lower ends flow into, sample 4-32 upper ends flow out, change
Solution outflow part is learned, into the first chemical solution isolating device 2-1 upper chamber 2-9, extruding the first chemical solution isolation
Device 2-1 lower cavity 2-10, and pressure, volume parameter are fed back into back-pressure fixing fabric structure device 3-1；
Stress Control：By vertical loading device 1, confined pressure fixing fabric structure device 3-2 and gas pressure regulator 3-4 to sample 4-32
Apply vertical load, ambient pressure and pore air pressure.
Step 4：Experiment is completed, sample 4-32 is removed, instrument is cleared up.
C, under the conditions of certain velocity of wave, saturated soil temperature-infiltration-stress-chemical Coupling triaxial test, the behaviour of the utility model
It is to add the second flexure element 4-15 and the first flexure element 4-16 on the basis of a is tested to produce fluctuation environment as step.
D, under the conditions of certain velocity of wave, unsaturated soil temperature-infiltration-stress-chemical Coupling triaxial test, the utility model
Operating procedure is to add the second flexure element 4-15 and the first flexure element 4-16 on the basis of b is tested to produce fluctuation environment.
Claims (7)
1. a kind of ground temperature-infiltration-stress-chemical Coupling multifunction test system, it is characterised in that it includes vertical loading
Device (1), chemical solution isolating device, pressure control device, balancing gate pit (4), Volume Changes measure device (5), temperature control
Device (6) and computer (7), vertical loading device (1), chemical solution isolating device, Stress control are filled by computer (7)
Put, the control of balancing gate pit (4), Volume Changes measure device (5) and temperature control equipment (6), complete a variety of soil tests and operate.
2. a kind of ground temperature-infiltration-stress-chemical Coupling multifunction test system according to claim 1, its feature
It is, chemical solution isolating device includes the first chemical solution isolating device (2-1) and the second chemical solution isolating device (2-
2)；The first described chemical solution isolating device (2-1) and the second chemical solution isolating device (2-2) include base (2-8),
Lucite cylinder (2-7) on base (2-8), the upper lid (2-18) being placed at the top of lucite cylinder (2-7), passes through
Pressure ring (2-5) is fixed on the diaphragm (2-6) of lucite cylinder (2-7) medium position, and lucite cylinder is divided into by diaphragm (2-6)
The upper chamber (2-9) on top and the lower cavity (2-10) of bottom；
Described upper chamber (2-9) is connected with ball valve (2-12), and ball valve (2-12) passes through the first pipeline (2-14) and the first electricity
Magnet valve (2-16) is connected；
Second solenoid valve (2-15) is connected by the second pipeline (2-13) with lower cavity (2-10)；
Described upper lid (2-18), lucite cylinder (2-7) and base (2-8) is fixedly connected by pull bar (2-4).
3. a kind of ground temperature-infiltration-stress-chemical Coupling multifunction test system according to claim 2, its feature
It is, described pressure control device includes back-pressure fixing fabric structure device (3-1), confined pressure fixing fabric structure device (3-2), osmotic pressure body
Plot controller (3-3) and gas pressure regulator (3-4).
4. a kind of ground temperature-infiltration-stress-chemical Coupling multifunction test system according to claim 3, its feature
Be, described balancing gate pit (4) are two-chamber balancing gate pit, including base (4-24), in the balancing gate pit on base (4-24)
Chamber (4-1) and balancing gate pit's exocoel (4-2), specimen mount (4-8) are fixed with base (4-24), specimen mount (4-8) center is extremely
Marginal position installs the first flexure element (4-16), the first annular pottery clay plates (4-17) and the first annular permeable stone (4- successively
18)；And first sets between annular pottery clay plates (4-17) and the first annular permeable stone (4-18) and specimen mount (4-8) respectively
It is equipped with first annular storage cavity (4-20) and the second annular storage cavity (4-19), first annular storage cavity (4-20) and the
One passage (4-25), fourth lane (4-22) are connected, and the second annular storage cavity (4-19) is connected with second channel (4-23),
The end of described first passage (4-25), fourth lane (4-22) and second channel (4-23) is respectively arranged with the first smash
Valve (4-30), the second high-pressure ball valve (4-29) and the 3rd high-pressure ball valve (4-28)；
Built-in load sensor (4-3), built-in loading sensing are installed in the balancing gate pit inner chamber (4-1) of described balancing gate pit (4)
Back-pressure cap (4-7) is installed below device (4-3)；Two are provided between built-in load sensor (4-3) and seal receptacle (4-4)
Guide ring (4-5), O-ring (4-6) is installed between two guide rings (4-5), with hanging down for load sensor built in guarantee (4-3)
Straight degree and measurement accuracy；Back-pressure cap (4-7) is located above sample (4-32), and sample (4-32) is located above specimen mount (4-8)；
Described back-pressure cap (4-7) is sequentially installed with the second flexure element (4-15), the second annular clay from centre to outward flange
Plate (4-14) and the second annular permeable stone (4-10), the second annular pottery clay plates (4-14) and the second annular permeable stone (4-
10) the 3rd annular storage cavity (4-11) and fourth annular storage cavity (4-13) are respectively arranged between back-pressure cap (4-7),
3rd annular storage cavity (4-11) and fourth annular storage cavity (4-13) respectively with the 7th passage (4-12) and the 6th passage
(4-9) is connected.
5. a kind of ground temperature-infiltration-stress-chemical Coupling multifunction test system according to claim 4, its feature
Be, described Volume Changes measure device (5) include cross box (5-1), the top room (5-2) that is connected with cross box (5-1) and
The digital display meter (5-3) being fixed on top room (5-2)；
Described top room (5-2) internal cavity is divided into the first storage chamber (5-6) and the second storage chamber by piston (5-7)
(5-8)；
Controlling switch (5-4) and pole changer (5-5) are installed on the panel of described cross box (5-1), pass through controlling switch
The different steering of (5-4) and pole changer (5-5), the different connected modes of pipeline can be achieved.
6. a kind of ground temperature-infiltration-stress-chemical Coupling multifunction test system according to claim 5, its feature
It is, described temperature control equipment (6) includes insulating box (6-1), the first temperature sensor (6-2), second temperature sensor
(6-3), three-temperature sensor (6-4) and water-bath circulation pipe (6-5)；
Described insulating box (6-1) is wrapped in the outside of balancing gate pit (4), the first temperature sensor (6-2), second temperature sensor
(6-3) and three-temperature sensor (6-4) are respectively positioned at insulating box (6-1), balancing gate pit inner chamber (4-1) and balancing gate pit exocoel (4-
2) in；Described water-bath circulation pipe (6-5) is located in balancing gate pit's exocoel (4-2), and is close to balancing gate pit inner chamber (4-1) side wall.
7. a kind of ground temperature-infiltration-stress-chemical Coupling multifunction test system according to claim 6, its feature
It is, built-in load sensor (4-3), Volume Changes measure device in described chemical solution isolating device, balancing gate pit (4)
(5) the first temperature sensor (6-2) of digital display meter (5-3), temperature control equipment (6) in, second temperature sensor (6-3) and
Three-temperature sensor (6-4) is connected with vertical loading device (1) respectively by data wire；
Described vertical loading device (1) and pressure control device is connected by micro-control unit with computer (7), realizes meter
Automatic Control of the calculation machine (7) to experiment process；
Described balancing gate pit (4) is placed on vertical loading device (1), is filled by the temperature control being connected with balancing gate pit (4)
(6) are put to carrying out temperature control inside balancing gate pit (4)；
First described chemical solution isolating device (2-1) both ends respectively with balancing gate pit (4) and back-pressure fixing fabric structure device (3-1) phase
Connection, second chemical solution isolating device (2-2) both ends respectively with balancing gate pit (4) and osmotic pressure fixing fabric structure device (3-3) phase
Connection；
Described Volume Changes measure device (5) both ends respectively with the balancing gate pit inner chamber (4-1) in balancing gate pit (4) and confined pressure volume
Controller (3-2) is connected, and confined pressure fixing fabric structure device (3-2) another delivery port is connected with balancing gate pit's exocoel (4-2).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106680103A (en) * | 2017-02-14 | 2017-05-17 | 南京泰克奥科技有限公司 | Rock temperature-permeation-stress-chemical coupling multifunctional test system and operation method thereof |
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2017
- 2017-02-14 CN CN201720129545.1U patent/CN206710215U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106680103A (en) * | 2017-02-14 | 2017-05-17 | 南京泰克奥科技有限公司 | Rock temperature-permeation-stress-chemical coupling multifunctional test system and operation method thereof |
| CN106680103B (en) * | 2017-02-14 | 2024-01-09 | 南京泰克奥科技有限公司 | Rock-soil temperature-permeation-stress-chemical coupling multifunctional test system and operation method thereof |
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