CN209327344U - A kind of laboratory testing rig of the model engineering soil body - Google Patents
A kind of laboratory testing rig of the model engineering soil body Download PDFInfo
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- CN209327344U CN209327344U CN201822087065.0U CN201822087065U CN209327344U CN 209327344 U CN209327344 U CN 209327344U CN 201822087065 U CN201822087065 U CN 201822087065U CN 209327344 U CN209327344 U CN 209327344U
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- water
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- experiment casing
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Abstract
The utility model discloses a kind of laboratory testing rigs of model engineering soil body, including water feeding tank, experiment casing and water storage container, the water outlet of water feeding tank is connected to the water inlet of flowmeter by the way that conduit A is closed, the water outlet of flowmeter is connected to the water inlet of experiment casing by the way that conduit B is closed, and the intake-outlet of experiment casing is connected by conduit C with water storage container；Several L-type bend pipes are disposed in the case of experiment casing, L-type bend pipe is connected to by vertical pipe with horizontal tube, and the horizontal tube end correspondence of L-type bend pipe is plugged in the L-type bent pipe interface slot of experiment casing, several inlet openings are provided on the horizontal tube of L-type bend pipe；Effluent switch A is installed on conduit A, water inlet switch is installed on conduit B, effluent switch B is installed on conduit C.Rainfall may be implemented in the utility model, groundwater flow, capillary water rise, the simulation tests of four kinds of influence factors of water chemistry solution, and situations such as real-time monitoring stress, displacement, water and salinity.
Description
Technical field
The utility model relates to model engineering soil body detection technique field more particularly to a kind of interiors of the model engineering soil body
Experimental rig.
Background technique
The construction of Rock And Soil engineering and long-time stability are influenced by several factors, have a large amount of bases to set in Canal in Loess Area
It applies, due to Loessial Joints development, loose porous feature, in moisture presence, property easily changes, and thus occurs very
More geological disasters and engineering problem, seriously threaten the security of the lives and property.And since highway alignment is long, area coverage is big, passes through
There is the largely deformation failure due to caused by moisture in the features such as stratum is more, wherein with the deformation failure of slope of highway and roadbed
Based on.Therefore soil-water interaction characteristic in research engineering has engineering construction and long-time stability evaluation extremely important
Meaning.
Currently, mainly study influence of the water to the soil body using laboratory test, including triaxial compression test, shear test,
Slaking test, expansion test, consolidation test etc., these methods are widely used in geotechnical engineering.But engineering soil
The preservation mode of body is different from natural rock-filled, and geologic agent is also variant to the mode of action of the soil body, in different regions, stratum structure
Make difference, the property of the soil body is also different, in order to obtain it is more acurrate comprehensively and meet actual engineering soil body characteristics, need to establish
Meet the actual indoor model of engineering, to carry out the research of soil-water function Characteristics.
Utility model content
Place in view of the shortcomings of the prior art, the purpose of this utility model is to provide a kind of model engineering soil bodys
Rainfall, groundwater flow, capillary water rising, the simulation of four kinds of influence factors of water chemistry solution may be implemented in laboratory testing rig
Testing inspection, and situations such as stress distribution, displacement characteristic, water distribution and the salt distribution of the soil body can be monitored in real time.
The purpose of this utility model is achieved through the following technical solutions:
A kind of laboratory testing rig of the model engineering soil body, including water feeding tank, flowmeter, experiment casing and water storage container,
The water feeding tank bottom has water outlet, and the water outlet of the water feeding tank is connected to the water inlet of flowmeter by the way that conduit A is closed,
The experiment casing bottom has water inlet, and the water outlet of the flowmeter and the water inlet of experiment casing are closed by conduit B
It is connected to, bottom is successively separately installed with water proof bottom plate and porous barrier, the water proof from bottom to up in the case of the experiment casing
Bottom plate is arranged in parallel with porous barrier, and the experiment casing bottom has intake-outlet, the Inlet and outlet water of the experiment casing
Between porous barrier and water proof bottom plate, the intake-outlet of the experiment casing is connected by conduit C with water storage container mouth；
The experiment casing inner sidewall is provided with several L-type bent pipe interface slots close to porous barrier position, in the case of the experiment casing
Several L-type bend pipes are disposed with, the L-type bend pipe is connected to by vertical pipe with horizontal tube, the horizontal pipe end of the L-type bend pipe
The horizontal tube end correspondence of portion's closing, the vertical pipe top opening of the L-type bend pipe, the L-type bend pipe is plugged in experiment casing
L-type bent pipe interface slot in, several inlet openings, the vertical pipe edge of the L-type bend pipe are provided on the horizontal tube of the L-type bend pipe
Its short transverse is equipped with scale；Effluent switch A is installed on the conduit A, water inlet switch is installed on the conduit B, it is described
Effluent switch B is installed on conduit C.
In order to which the utility model is better achieved, several sensor access ports are provided on the experiment casing side wall.
Preferably, the effluent switch A is set to conduit A at the water outlet position of water feeding tank, the water outlet is opened
Pass A is switch water valve.
Preferably, the water inlet switch is set to conduit B at the water inlet position of experiment casing, the water inlet is opened
Closing is switch water valve.
Preferably, the effluent switch B is set to conduit C at the intake-outlet position of experiment casing, it is described go out
Taps B is switch water valve.
Preferably, the sensor access port grafting of the experiment casing is disposed with sensor, the sensor is displacement
At least one in sensor, strain gauge, height of water level sensor, soil temperature-moisture sensor and soil salinity sensor
Kind.
Preferably, the experiment casing is transparent organic glass cabinet, the L-type bend pipe is glass elbow.
The utility model compared with the prior art, have the following advantages that and the utility model has the advantages that
(1) the utility model can taking human as adjustment stratigraphic structure and engineering type, may be implemented rainfall, groundwater flow,
Capillary water rises, the simulation test of four kinds of influence factors of water chemistry solution detects, and the stress point of the soil body can be monitored in real time
Situations such as cloth, displacement characteristic, water distribution and salt distribution.
(2) the utility model dynamically accurately can adjust water velocity by each switch and flowmeter, more by being arranged
Layer model box structure achievees the effect that simulate Different Strata structure；It can real-time monitoring and to record displacement, stress, water level high simultaneously
The indexs such as degree, soil conductivity, soil temperature and humidity can satisfy the soil body test of a variety of solution.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the utility model experiment casing；
Fig. 3 is the structural schematic diagram that L-type bend pipe is arranged in the utility model experiment casing；
Fig. 4 is the structural schematic diagram of L-type bend pipe.
Wherein, title corresponding to the appended drawing reference in attached drawing are as follows:
1- water feeding tank, 2- effluent switch A, 3- conduit A, 4- flowmeter, 5- water inlet switch, 6- experiment casing, 7-
Effluent switch B, 8- water storage container, 9- porous barrier, 10- water proof bottom plate, 11-L type bend pipe, 12- sensor access port,
13- intake-outlet, 14-L type bent pipe interface slot.
Specific embodiment
The utility model is described in further detail below with reference to embodiment:
Embodiment
As shown in Figure 1 to 4, a kind of laboratory testing rig of the model engineering soil body, including water feeding tank 1, flowmeter 4, examination
Tryoff body 6 and water storage container 8,1 bottom of water feeding tank have water outlet, and the water inlet of the water outlet and flowmeter 4 of water feeding tank 1 passes through
The closed connection of conduit A3,6 bottom of experiment casing have water inlet, and the water outlet of flowmeter 4 and the water inlet of experiment casing 6 pass through
The closed connection of conduit B, bottom is successively separately installed with water proof bottom plate 10 and porous barrier 9 from bottom to up in the case of experiment casing 6,
Water proof bottom plate 10 and porous barrier 9 are arranged in parallel, and 6 bottom of experiment casing has intake-outlet 13, the disengaging of experiment casing 6
Between porous barrier 9 and water proof bottom plate 10, the intake-outlet 13 of experiment casing 6 passes through conduit C and water storage container 8 at the mouth of a river 13
It is connected.6 inner sidewall of experiment casing is provided with several L-type bent pipe interface slots 14 close to 9 position of porous barrier, experiment casing 6
Several L-type bend pipes 11 are disposed in case, L-type bend pipe 11 is connected to by vertical pipe with horizontal tube, the horizontal tube of L-type bend pipe 11
The horizontal tube end correspondence of end-enclosed, the vertical pipe top opening of L-type bend pipe 11, L-type bend pipe 11 is plugged in experiment casing 6
In L-type bent pipe interface slot 14, several inlet openings are provided on the horizontal tube of L-type bend pipe 11, the vertical pipe of L-type bend pipe 11 is along its height
It spends direction and is equipped with scale, which can be contained the height value of solution by vertical pipe, or the contained solution of vertical pipe
Bulking value.Effluent switch A2 is installed on conduit A3, water inlet switch 5 is installed on conduit B, water outlet is installed on conduit C and is opened
Close B7.
As shown in Fig. 2, being provided with several sensor access ports 12 on 6 side wall of experiment casing.
The preferred effluent switch A2 of the utility model is set to conduit A3 at the water outlet position of water feeding tank 1, water outlet
Switch A2 is switch water valve.Water inlet switch 5 is set to conduit B at the water inlet position of experiment casing 6, and water inlet switch 5 is
Switch water valve.Effluent switch B7 is set to conduit C at 13 position of intake-outlet of experiment casing 6, and effluent switch B7 is to open
Shutoff valve.
12 grafting of sensor access port of the preferred experiment casing 6 of the utility model is disposed with sensor, and sensor is position
At least one in displacement sensor, strain gauge, height of water level sensor, soil temperature-moisture sensor and soil salinity sensor
Kind, i.e., sensor can select displacement sensor, strain gauge, height of water level sensor, soil in experimental rig indoors
The one or more of Temperature Humidity Sensor and soil salinity sensor, the sensor of the present embodiment have been respectively adopted displacement and have passed
Sensor, strain gauge, height of water level sensor, soil temperature-moisture sensor and soil salinity sensor, and be respectively arranged in
At the sensor access port 12 of 6 different location of experiment casing.Wherein, in engineering soil technical field, soil salinity sensor is again
Referred to as soil conductivity sensor, soil salinity sensor are to reach measurement soil salt by measurement soil conductivity situation
Effect.
The preferred experiment casing 6 of the utility model is transparent organic glass cabinet, and L-type bend pipe 11 is glass elbow.
Steps are as follows for the application method of the utility model laboratory testing rig:
The first step constructs engineering model in experiment casing 6: according to required engineering to be simulated in experiment casing 6, by
Layer fills the soil body；Such as need to simulate resurrection situation of the ancient slide under highway excavation, which is respectively as follows: from top to bottom
Loess, Extra-fine sand, cobble, test need to consider the effect of underground water and surface water.Specific laying method in experiment casing 6
Are as follows: boulder bed is laid on water proof bottom plate 10, after surface is shakeout, porous barrier 9 is placed on boulder bed, insertion installation L-type
The horizontal tube end one-to-one correspondence of all L-type bend pipes 11 is installed in the L-type bent pipe interface slot 14 of experiment casing 6 by bend pipe 11,
Ensure that the horizontal tube end of L-type bend pipe 11 is sealed in junction, Extra-fine sand is then laid with above boulder bed, and in suitable position
Setting embedding sensor, (sensor can be using strip sensor, in use, strip sensor one-to-one correspondence is plugged in examination
In the sensor access port 12 of 6 side wall of tryoff body；Sensor can also use the sensor of other shapes, and sensor is embedded in
In Extra-fine sand, and the data line of sensor is passed through into sensor access port 12, in order to measure), the utility model sensor is
In displacement sensor, strain gauge, height of water level sensor, soil temperature-moisture sensor and soil salinity sensor at least
Displacement sensor, strain gauge, height of water level sensor, Soil Temperature And Moisture has been respectively adopted in one kind, the sensor of the present embodiment
Sensor and soil salinity sensor are spent, and is respectively arranged at the sensor access port 12 of 6 different location of experiment casing.It is laid with
After the completion, it is laid with loess, and densification at the top of Extra-fine sand, highway excavation, the building after excavation are then carried out on engineering model
Engineering model schematic diagram as shown in Figure 1, each sensor of observational record simultaneously data.Similarly, for Other Engineering and stratum
It can be simulated.
Second step carries out water flow simulation, is first packed into water in water feeding tank 1, and closes effluent switch A2, water inlet switch 5, goes out
Taps B7:
1, simulation rainwash test: rainfall simulator is installed on engineering model top, in the soil body table of engineering model
Layer forms rainwash caused by rainfall, while recording the real time data and variation of each sensor；
2, effluent switch A2, the water inlet switch 5, effluent switch in laboratory testing rig simulation interflow subsurface drainage test: are opened
B7 adjusts flowmeter 4, controls water velocity, simulates dynamic flow action, and record the real time data and change of each sensor
Change；
3, it simulates capillary water rise test: opening effluent switch A2, the water inlet switch 5 in laboratory testing rig, allow moisture
Into 6 bottom of experiment casing, it is then turned off effluent switch A2, water inlet switch 5, is stood, the water observed in L-type bend pipe 11 becomes
Change, and records the real time data and variation of each sensor；
4, it simulates water chemistry solution: the water in water feeding tank 1 is changed on demand configured water chemistry solution, in conjunction with test
It is required that carrying out the test of simulation rainwash, the test of simulation interflow subsurface drainage, simulation capillary water rise test respectively.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (7)
1. a kind of laboratory testing rig of the model engineering soil body, it is characterised in that: including water feeding tank (1), flowmeter (4), test
Cabinet (6) and water storage container (8), water feeding tank (1) bottom have water outlet, the water outlet and flow of the water feeding tank (1)
The water inlet of (4) is counted by the closed connection of conduit A(3), experiment casing (6) bottom has water inlet, the flowmeter (4)
Water outlet and the water inlet of experiment casing (6) be connected to by the way that conduit B is closed, bottom is under in the case of the experiment casing (6)
Supreme to be successively separately installed with water proof bottom plate (10) and porous barrier (9), the water proof bottom plate (10) and porous barrier (9) are mutual
It is arranged in parallel, experiment casing (6) bottom has intake-outlet (13), intake-outlet (13) position of the experiment casing (6)
Between porous barrier (9) and water proof bottom plate (10), the intake-outlet (13) of the experiment casing (6) passes through conduit C and water storage
Container (8) is connected；Experiment casing (6) inner sidewall is provided with several L-type bent pipe interface slots close to porous barrier (9) position
(14), several L-type bend pipes (11) are disposed in the case of the experiment casing (6), the L-type bend pipe (11) is by vertical pipe and water
Flat pipe is connected to, the horizontal tube end-enclosed of the L-type bend pipe (11), the vertical pipe top opening of the L-type bend pipe (11),
The horizontal tube end correspondence of the L-type bend pipe (11) is plugged in the L-type bent pipe interface slot (14) of experiment casing (6), the L-type
Several inlet openings are provided on the horizontal tube of bend pipe (11), the vertical pipe of the L-type bend pipe (11) is equipped with along its short transverse carves
Degree；The conduit A(3) on effluent switch A(2 is installed), be equipped with water inlet switch (5) on the conduit B, on the conduit C
Effluent switch B(7 is installed).
2. a kind of laboratory testing rig of model engineering soil body described in accordance with the claim 1, it is characterised in that: the chamber
Several sensor access ports (12) are provided on body (6) side wall.
3. a kind of laboratory testing rig of model engineering soil body according to claim 1 or 2, it is characterised in that: it is described go out
Taps A(2) it is set to conduit A(3) at the water outlet position of water feeding tank (1), the effluent switch A(2) it is switch water
Valve.
4. a kind of laboratory testing rig of model engineering soil body described in accordance with the claim 1, it is characterised in that: the water inlet is opened
It closes (5) and is set to conduit B at the water inlet position of experiment casing (6), the water inlet switch (5) is switch water valve.
5. a kind of laboratory testing rig of model engineering soil body described in accordance with the claim 1, it is characterised in that: the water outlet is opened
Close B(7) conduit C is set at intake-outlet (13) position of experiment casing (6), the effluent switch B(7) it is switch water
Valve.
6. a kind of laboratory testing rig of the model engineering soil body according to claim 2, it is characterised in that: the chamber
Sensor access port (12) grafting of body (6) is disposed with sensor, and the sensor is displacement sensor, strain gauge, water
At least one of position height sensor, soil temperature-moisture sensor and soil salinity sensor.
7. a kind of laboratory testing rig of model engineering soil body described in accordance with the claim 1, it is characterised in that: the chamber
Body (6) is transparent organic glass cabinet, and the L-type bend pipe (11) is glass elbow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822087065.0U CN209327344U (en) | 2018-12-12 | 2018-12-12 | A kind of laboratory testing rig of the model engineering soil body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822087065.0U CN209327344U (en) | 2018-12-12 | 2018-12-12 | A kind of laboratory testing rig of the model engineering soil body |
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| Publication Number | Publication Date |
|---|---|
| CN209327344U true CN209327344U (en) | 2019-08-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822087065.0U Expired - Fee Related CN209327344U (en) | 2018-12-12 | 2018-12-12 | A kind of laboratory testing rig of the model engineering soil body |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113607918A (en) * | 2021-07-28 | 2021-11-05 | 哈尔滨工业大学（深圳） | Experimental device and method capable of realizing real-time regulation and control of soil body parameters |
-
2018
- 2018-12-12 CN CN201822087065.0U patent/CN209327344U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113607918A (en) * | 2021-07-28 | 2021-11-05 | 哈尔滨工业大学（深圳） | Experimental device and method capable of realizing real-time regulation and control of soil body parameters |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190830 Termination date: 20201212 |
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| CF01 | Termination of patent right due to non-payment of annual fee |