CN110426338A - It is a kind of for being saturated the varying load consolidation testing device of the elastoplasticity soil body - Google Patents
It is a kind of for being saturated the varying load consolidation testing device of the elastoplasticity soil body Download PDFInfo
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- CN110426338A CN110426338A CN201910846655.3A CN201910846655A CN110426338A CN 110426338 A CN110426338 A CN 110426338A CN 201910846655 A CN201910846655 A CN 201910846655A CN 110426338 A CN110426338 A CN 110426338A
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- 239000002689 soil Substances 0.000 title claims abstract description 61
- 238000007596 consolidation process Methods 0.000 title claims abstract description 22
- 238000012360 testing method Methods 0.000 title claims abstract description 20
- 229920006395 saturated elastomer Polymers 0.000 title claims abstract description 19
- 238000004062 sedimentation Methods 0.000 claims abstract description 62
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 61
- 239000011148 porous material Substances 0.000 claims abstract description 25
- 238000006073 displacement reaction Methods 0.000 claims abstract description 14
- 238000001514 detection method Methods 0.000 claims abstract description 12
- 239000004677 Nylon Substances 0.000 claims description 6
- 229920001778 nylon Polymers 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 5
- 230000007246 mechanism Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 3
- 230000002459 sustained effect Effects 0.000 claims description 2
- 238000005259 measurement Methods 0.000 abstract 1
- 230000006872 improvement Effects 0.000 description 11
- 238000013480 data collection Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 240000002853 Nelumbo nucifera Species 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 2
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000002572 peristaltic effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 229940099259 vaseline Drugs 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
- 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
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- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a kind of for being saturated the varying load consolidation testing device of the elastoplasticity soil body, including lateral confinement column and load loading unit, water supplying unit, detection unit；The load loading unit includes sequentially connected driving column from top to bottom, sedimentation beam, sedimentation rigid post and total settlement plate, it further include the contact sedimentation plate that several are connected on total settlement plate, the contact sedimentation plate is in contact with soil layer, further includes the motor being connected with drive rod；The detection unit includes load pressure sensor, displacement sensor, pore water load pressure sensor, the load pressure sensor is installed between sedimentation beam and the sedimentation rigid post, be provided with the displacement sensor on contact sedimentation plate described in each, including the pore water load pressure sensor described in several along the lateral confinement column side wall longitudinal arrangement under upper.The present invention can be improved the measurement of the parameters such as the soil deformation amount to non-homogeneous strata, pore water pressure.
Description
Technical field
The invention belongs to underground water soil layer construction research fields, and in particular to a kind of for being saturated the variable load of the elastoplasticity soil body
Lotus consolidation testing device.
Background technique
The elastoplasticity soil body is saturated in the case where outer load action or extraction pore water, sedimentation and deformation can be generated.For
It is saturated the soil body, when applying the effect of external loads, pore water is gradually discharged, according to principle of effective stress, stress in the soil body
It is made of pore water pressure and effective stress, with the reduction of pore water, pore water pressure gradually has effect by soil body skeleton
Power undertakes, the final sedimentation and deformation for generating the soil body.
When measuring soil solidifying relevant parameter by indoor consolidation test, traditional consolidation device and analysis method are all neglected
The heterogeneity of parameter is omited, this makes calculated result and test data have biggish deviation.
Summary of the invention
In view of the above-mentioned problems, the present invention propose it is a kind of for being saturated the varying load consolidation testing device of the elastoplasticity soil body.
It realizes above-mentioned technical purpose, reaches above-mentioned technical effect, the invention is realized by the following technical scheme:
It is a kind of for being saturated the varying load consolidation testing device of the elastoplasticity soil body, including lateral confinement column, and load is on lateral confinement column
Load loading unit and water supplying unit further include detection unit；The load loading unit includes being sequentially connected from top to bottom
Driving column, sedimentation beam, sedimentation rigid post and total settlement plate, further include contacts sedimentation that several are connected on total settlement plate
Plate, the contact sedimentation plate are in contact with soil layer, further include the motor being connected with drive rod；The detection unit includes lotus
Pressure sensor, displacement sensor, pore water load pressure sensor are carried, the load pressure sensor is installed on described
It settles between beam and the sedimentation rigid post, is provided with the displacement sensor on the contact sedimentation plate described in each,
Including the pore water load pressure sensor described in several along the lateral confinement column side wall longitudinal arrangement under upper.
As a further improvement of the present invention, the driving column is collinearly arranged with the sedimentation rigid post, described
Sedimentation beam is fixed with the driving column in T font is vertical, and the bottom end of the sedimentation rigid post and the total settlement plate hang down
It is straight fixed；The sedimentation beam acts on downwards total described in the sedimentation rigid post promotion under the action of driving column
Sedimentation plate moves downward.
As a further improvement of the present invention, contact sedimentation plate can be adjusted in vertical direction relative to total settlement plate
Section height.
As a further improvement of the present invention, the side wall of the lateral confinement column is equipped with sensor reserved opening, the hole
Water ballast(ing) pressure sensor is placed in the sensor reserved opening.
As a further improvement of the present invention, the soil body of different structure, institute are filled inside the lateral confinement column from top to bottom
The contact sedimentation plate stated is contacted with the upper surface of each layer soil body.
As a further improvement of the present invention, the both ends of the lateral confinement column are also provided with sealing mechanism, including are located at upper
The upper seal disc held and the lower seal disc positioned at bottom.
It as a further improvement of the present invention, further include the loaded filter that the inside of the lateral confinement column is set, described is anti-
Filtering layer is laid on the upper and lower ends of the tested soil body, has also wrapped up one layer of nylon wire in the outer layer of the loaded filter.
As a further improvement of the present invention, the top on the side wall of the lateral confinement column is provided at least one water inlet
Mouthful, several discharge outlet are arranged from top to bottom along the longitudinal direction of the lateral confinement column side wall, further include being arranged most upper
Hold the overflow port between discharge outlet and water inlet.
As a further improvement of the present invention, including the discharge outlet equal in number and the hole water ballast(ing) pressure
Force snesor, the discharge outlet and the one-to-one setting of the pore water load pressure sensor are in sustained height.
As a further improvement of the present invention, total discharge outlet, the detection are also provided in the bottom of the lateral confinement column
Unit further includes the water recording balance being connected with total discharge outlet.
Beneficial effects of the present invention:
1. apparatus of the present invention create an one-dimensional experiment simulated environment, its internal soil body and water are limited by lateral confinement column wall
Point horizontal distortion and migration, and then study vertical direction different parameters and moisture distribution situation in lateral confinement column under load action
And changing rule.
2. by inside lateral confinement column filling multilayer have different height, different structure the soil body, create a multilayer and
Experimental situation with adequate thickness measures the sedimentation and deformation of the multilayer soil body by the way that multiple sedimentation plates and displacement sensor is arranged
Amount, and then study the heterogeneity of vertical direction deflection in consolidation process.
3. adjusting by the power for adjusting driving motor and applying different load intensities, so that experiment condition is set indoors
Set different load cases.
It can be improved the precision to inside soil body parameter detection, by using pore water load pressure sensor and displacement
Sensor directly measures and records, so that the reading of parameter is more accurate, and then can more accurate comprehensively analyze consolidate
The changing rule of inside soil body different parameters in vertical direction in journey.
In conclusion the present invention can be easy realization to saturation soil body deflection, pore water pressure, release the parameters such as water
Continuous monitoring, simulates different disclosures by being further applied load, and obtains different parameters in consolidation compression process in vertical direction
Changing rule provides important information to improve saturation soil body One-dimensional Consolidation Theory.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is lateral confinement rod structure schematic diagram of the invention；
Wherein: 1- driving column, 2- motor, 3- support frame mechanism, 4- data collection system, 5- load pressure sensor, 6- sedimentation
Beam, 7- sedimentation rigid post, 8- displacement sensor, 9- aspirating hole, 10- No.1 settle plate, 11- total settlement plate, 12- hole water ballast(ing)
Seal disc under pressure sensor, 13- sensor reserved opening, 14- connection line, 15- lateral confinement column, 16- loaded filter, 17-, 18- into
No. bis- mouth of a river, the upper seal disc of 19-, 20- overflow port, 21- discharge outlet, 22- valve, 23- sedimentation plates, the total discharge outlet of 24-, 25- are compacted
Dynamic pump, 26- water recording balance.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
Application principle of the invention is explained in detail with reference to the accompanying drawing.
The varying load consolidation test dress for being saturated the elastoplasticity soil body being mounted on support frame mechanism 3 as shown in Figure 1
It sets, including lateral confinement column 15, the both ends of the lateral confinement column 15 are also provided with sealing mechanism, the upper seal disc 19 including being located at upper end
With the lower seal disc 17 for being located at bottom.Fill the soil to be tested of different structure from top to bottom inside the lateral confinement column 15
Body is provided with loaded filter 16 in the upper and lower ends of the tested soil body and wraps up the nylon wire of loaded filter 16, wherein being located at bottom
Loaded filter 16 with lower seal disc 17 contact, the loaded filter 16 positioned at top is contacted with the total settlement plate 11.
The load loading unit and water supplying unit being provided on the lateral confinement column 15, further include detection unit to the soil body
Soil solidifying relevant parameter is tested.
The load loading unit includes sequentially connected driving column 1 from top to bottom, sedimentation beam 6, sedimentation 7 and of rigid post
Total settlement plate 11 further includes the contact sedimentation plate that several are connected on total settlement plate 11, one kind of the invention as shown in Figure 1
Embodiment, including being located at the No.1 sedimentation plate 10 in left side and positioned at No. two sedimentation plates 23 on right side, the No.1 settles plate 10
It is located at different vertical heights with No. two sedimentation plates 23, is in contact respectively with the soil body of different layers, it can be according to the soil layer of placement
Height adjustment No.1 settles the position of plate 10 or No. two sedimentation plates 23.
It further include the motor 2 being connected with drive rod 1, the motor 2 adjusts by regulation power and applies different loads
Intensity.The driving column 2 and the sedimentation rigid post 7 are collinearly arranged, and the sedimentation beam 6 and the driving column 2 are in T
Font is vertically fixed, and the bottom end of the sedimentation rigid post 7 is vertical with the total settlement plate 11 fixed；The sedimentation beam 6
Acting on the sedimentation rigid post 7 downwards under the action of driving column 2 pushes the total settlement plate 11 to move downward,
To drive connected No.1 sedimentation plate 10 or No. two sedimentation plates 23 to act on soil layer downwards.
The water supplying unit includes peristaltic pump 25 and water supply pipe, and the water supply pipe is by being arranged in upper seal disc
Water inlet 18 on 19 is connected to the inside of lateral confinement column 19.On the side wall of the lateral confinement column topmost be provided at least one into
The mouth of a river 18 is passed along the longitudinal direction of 15 side wall of lateral confinement column relative to the level pore water load pressure in the other side
The position of sensor 8 arrange from top to bottom it is one-to-one arrange discharge outlet 21 equal in number, further include setting topmost
Overflow port 20 between discharge outlet 21 and water inlet 18.Total discharge outlet 24 is also provided in the bottom of lateral confinement column 15 simultaneously.
The detection unit includes load pressure sensor 5, displacement sensor 8, pore water load pressure sensor 8,
The load pressure sensor 5 is installed on record motor between the sedimentation beam 6 and the sedimentation rigid post 7 and is applied
Load pressure size, be provided with the described record of the displacement sensor 8 contact sedimentation plate on the contact sedimentation plate described in each
The height of decline；Including the pore water load pressure sensor 8 described in several along 15 side wall of lateral confinement column from it is upper it
The pore water pressure of lower longitudinal arrangement acquisition and recording different height position, to calculate the water storage rate of the different location soil body.Also wrap
Include water recording balance 26, what the water recording balance 26 recorded each discharge outlet releases water.The detection unit
In each sensor be connected with data collection system 4 by connecting line 14, the data collection system 4 is for acquisition
Data carry out analysis meter and calculate parameter to be analyzed.
Wherein the mounting means of the pore water load pressure sensor 8 is to set in the side wall of the lateral confinement column 15
There is sensor reserved opening 13, the pore water load pressure sensor 8 is placed in the sensor reserved opening 13.
The specific steps measured using above-mentioned apparatus are as follows:
(1) vaseline is uniformly smeared in 15 inside of lateral confinement column.
(2) it is laid with nylon wire above seal disc 17 under 15 bottom of lateral confinement column, and is laid with loaded filter 16 on nylon wire.
(3) soil body one is filled into lateral confinement column 15, it is ensured that 15 various places inside volume density of lateral confinement column is identical when filling, works as soil
When body one is loaded into certain altitude, it is put into No. two sedimentation plates 23.
(4) soil body two is filled into lateral confinement column 15, it is ensured that 15 various places inside volume density of lateral confinement column is identical when filling, works as soil
When body two is loaded into certain altitude, it is put into No.1 sedimentation plate 10, two blocks of sedimentation plates are connected by rigid rod with displacement sensor 8
It connects.
(5) it is also laid with one layer of loaded filter on the soil body two and is laid with nylon wire, the soil body is prevented to be lost, total settlement plate 11 is installed
With upper seal disc 19.
(6) pore water load pressure sensor 12 is inserted into and sensor reserved opening 13 and is sealed, and by position hole water ballast(ing)
Pressure sensor 12, load pressure sensor 5 and displacement sensor 8 are connect by data collection system with computer 4.
(7) vacuum saturation is carried out to the soil body in lateral confinement column 15 with vacuum pump by the way that the aspirating hole 9 of upper seal disc 19 is arranged in,
Vacuum 12 hours, distilled water cooling after boiling then is added by No.1 water inlet 18 and stands 12 hours, so that one He of the soil body
The soil body two reaches saturation.
(8) peristaltic pump 25 and overflow port 20 are opened, water level in lateral confinement column is remained unchanged.Using gear unit, pass through tune
The power of section motor 2 carries out the load of different load intensities to the soil body in lateral confinement column 15.
(9) total discharge outlet 24 of 15 bottom of lateral confinement column is opened, Water usage recording balance, which is collected automatically and recorded, releases water
Data.
(10) pore water pressure, load pressure, multilayer soil body deflection are recorded by data collection system 4 and releases water
Data.
(11) it can be measured simultaneously by the discharge outlet 21 of hole water ballast(ing) pressure sensor 12 and corresponding position during testing
The water storage rate for calculating the different location soil body calculates infiltration by the water of releasing of displacement sensor 8 and different location discharge outlet 21
Saturating coefficient.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (10)
1. a kind of for being saturated the varying load consolidation testing device of the elastoplasticity soil body, it is characterised in that: including lateral confinement column (15), and
Load loading unit and water supplying unit on lateral confinement column (15) are loaded, further includes detection unit；
The load loading unit includes sequentially connected driving column (1), sedimentation beam (6), sedimentation rigid post (7) from top to bottom
It further include the contact sedimentation plate that several are connected on total settlement plate (11) with total settlement plate (11), the contact settles plate
It is in contact with soil layer, further includes the motor (2) being connected with drive rod (1)；
The detection unit includes load pressure sensor (5), displacement sensor (8), pore water load pressure sensor
(8), the load pressure sensor (5) is installed between the sedimentation beam (6) and the sedimentation rigid post (7), often
It is provided with the displacement sensor (8) on contact sedimentation plate described in one, including the hole water ballast(ing) pressure described in several
Force snesor (8) longitudinal arrangement under upper along lateral confinement column (15) side wall.
2. according to claim 1 a kind of for being saturated the varying load consolidation testing device of the elastoplasticity soil body, feature exists
In: the driving column (2) and the sedimentation rigid post (7) are collinearly arranged, the sedimentation beam (6) and the driving column
(2) it is vertically fixed in T font, the bottom end of the sedimentation rigid post (7) is vertical with total settlement plate (11) fixed；It is described
Sedimentation beam (6) act on the sedimentation rigid post (7) downwards under the action of the driving column (2) and push described total sink
Drop plate (11) moves downward.
3. according to claim 1 or 2 a kind of for being saturated the varying load consolidation testing device of the elastoplasticity soil body, feature
Be: the contact sedimentation plate can adjust in vertical direction height relative to total settlement plate.
4. according to claim 1 a kind of for being saturated the varying load consolidation testing device of the elastoplasticity soil body, feature exists
In: the side wall of the lateral confinement column (15) is equipped with sensor reserved opening (13), and the pore water load pressure sensor (8) is put
It sets in the sensor reserved opening (13).
5. according to claim 1 a kind of for being saturated the varying load consolidation testing device of the elastoplasticity soil body, feature exists
In: the internal soil body for filling different structure from top to bottom of the lateral confinement column (15), the contact sedimentation plate and each layer of soil
The upper surface of body contacts.
6. according to claim 5 a kind of for being saturated the varying load consolidation testing device of the elastoplasticity soil body, feature exists
In: the both ends of the lateral confinement column (15) are also provided with sealing mechanism, including being located at the upper seal disc (19) of upper end and being located at bottom
The lower seal disc (17) in portion.
7. according to claim 6 a kind of for being saturated the varying load consolidation testing device of the elastoplasticity soil body, feature exists
In: it further include loaded filter (16) of the setting in the inside of the lateral confinement column (15), the loaded filter (16) is laid on tested
The upper and lower ends of the soil body have also wrapped up one layer of nylon wire in the outer layer of the loaded filter (16).
8. according to claim 1 a kind of for being saturated the varying load consolidation testing device of the elastoplasticity soil body, feature exists
In: the top on the side wall of the lateral confinement column is provided at least one water inlet (18), along the lateral confinement column (15)
The longitudinal direction of side wall arranges several discharge outlet (21) from top to bottom, further include setting the top discharge outlet (21) and into
Overflow port (20) between the mouth of a river (18).
9. according to claim 8 a kind of for being saturated the varying load consolidation testing device of the elastoplasticity soil body, feature exists
In: including the discharge outlet (21) equal in number and the pore water load pressure sensor (8), the discharge outlet
(21) with the one-to-one setting of pore water load pressure sensor (8) in sustained height.
10. according to claim 1 a kind of for being saturated the varying load consolidation testing device of the elastoplasticity soil body, feature exists
In: be also provided with total discharge outlet (24) in the bottom of the lateral confinement column (15), the detection unit further include with it is described total
The connected water recording balance (26) of discharge outlet (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910846655.3A CN110426338A (en) | 2019-09-09 | 2019-09-09 | It is a kind of for being saturated the varying load consolidation testing device of the elastoplasticity soil body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910846655.3A CN110426338A (en) | 2019-09-09 | 2019-09-09 | It is a kind of for being saturated the varying load consolidation testing device of the elastoplasticity soil body |
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| CN110426338A true CN110426338A (en) | 2019-11-08 |
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ID=68417956
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| CN201910846655.3A Pending CN110426338A (en) | 2019-09-09 | 2019-09-09 | It is a kind of for being saturated the varying load consolidation testing device of the elastoplasticity soil body |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6370712A (en) * | 1986-09-12 | 1988-03-30 | Tokyo Electric Power Co Inc:The | Tester for consolidation and water permeation |
| CN105486840A (en) * | 2015-12-28 | 2016-04-13 | 中国科学院武汉岩土力学研究所 | Solidification and permeation combined experimental device |
| CN205188924U (en) * | 2015-12-11 | 2016-04-27 | 天津城建大学 | Soil body subsides measuring device suitable for indoor mold box is experimental |
| CN105717275A (en) * | 2016-01-28 | 2016-06-29 | 东南大学 | One-dimensional testing device for simulating transport of volatile organic pollutants in soil |
| CN108732331A (en) * | 2018-05-25 | 2018-11-02 | 河海大学 | A kind of device tested with the soil water, vapour, heat, salt simultaneous transport for unsaturation |
-
2019
- 2019-09-09 CN CN201910846655.3A patent/CN110426338A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6370712A (en) * | 1986-09-12 | 1988-03-30 | Tokyo Electric Power Co Inc:The | Tester for consolidation and water permeation |
| CN205188924U (en) * | 2015-12-11 | 2016-04-27 | 天津城建大学 | Soil body subsides measuring device suitable for indoor mold box is experimental |
| CN105486840A (en) * | 2015-12-28 | 2016-04-13 | 中国科学院武汉岩土力学研究所 | Solidification and permeation combined experimental device |
| CN105717275A (en) * | 2016-01-28 | 2016-06-29 | 东南大学 | One-dimensional testing device for simulating transport of volatile organic pollutants in soil |
| CN108732331A (en) * | 2018-05-25 | 2018-11-02 | 河海大学 | A kind of device tested with the soil water, vapour, heat, salt simultaneous transport for unsaturation |
Non-Patent Citations (2)
| Title |
|---|
| ZHIFANG ZHOU 等: "Conceptual data model and method of settlement calculation", 《ENVIRONMENTAL EARTH SCIENCES》 * |
| 姚多喜 等: "《安徽省煤矿水文地质及水害防治技术》", 31 October 2016, 中国科学技术大学出版 * |
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Application publication date: 20191108 |
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