CN107831105A - Study the experimental rig and its method of fresh-saline water interface Variation Regularity of Morphological Characteristics - Google Patents
Study the experimental rig and its method of fresh-saline water interface Variation Regularity of Morphological Characteristics Download PDFInfo
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- CN107831105A CN107831105A CN201711285841.1A CN201711285841A CN107831105A CN 107831105 A CN107831105 A CN 107831105A CN 201711285841 A CN201711285841 A CN 201711285841A CN 107831105 A CN107831105 A CN 107831105A
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- sandbox
- fresh
- calcareous sand
- water
- morphological characteristics
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 59
- 230000000877 morphologic effect Effects 0.000 title claims abstract description 12
- 239000011780 sodium chloride Substances 0.000 title claims abstract description 12
- 238000000034 method Methods 0.000 title abstract description 16
- 244000035744 Hura crepitans Species 0.000 claims abstract description 70
- 239000004576 sand Substances 0.000 claims abstract description 17
- 239000002689 soil Substances 0.000 claims abstract description 12
- 238000003780 insertion Methods 0.000 claims abstract description 6
- 230000037431 insertion Effects 0.000 claims abstract description 6
- 238000010998 test method Methods 0.000 claims description 2
- 238000001764 infiltration Methods 0.000 abstract description 10
- 230000008595 infiltration Effects 0.000 abstract description 10
- 239000013505 freshwater Substances 0.000 abstract description 4
- 238000012360 testing method Methods 0.000 abstract description 4
- 238000011160 research Methods 0.000 abstract description 3
- 239000011435 rock Substances 0.000 abstract description 3
- 229910052791 calcium Inorganic materials 0.000 description 8
- 239000011575 calcium Substances 0.000 description 8
- 239000011148 porous material Substances 0.000 description 6
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 5
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- 239000013535 sea water Substances 0.000 description 4
- 239000003086 colorant Substances 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 230000029052 metamorphosis Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 244000132059 Carica parviflora Species 0.000 description 1
- 235000014653 Carica parviflora Nutrition 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000009428 plumbing Methods 0.000 description 1
- 235000019600 saltiness Nutrition 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
Classifications
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N13/00—Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
- G01N13/04—Investigating osmotic effects
-
- 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
- G01N2015/0813—Measuring intrusion, e.g. of mercury
Abstract
The invention discloses it is a kind of study fresh-saline water interface Variation Regularity of Morphological Characteristics experimental rig and its method, be related to rock soil medium field calcareous sand infiltration and disperse technology.The present apparatus is：Support is placed on level ground；Rainfall case, sandbox and discharge water tank are placed on support；Rainfall case is located above sandbox；Discharge water tank is placed at left and right sides of sandbox；Computer connects with data acquisition unit, and three parameter sensors are connected on data acquisition unit and from sandbox front insertion calcareous sand, monitor electrical conductivity, volumetric water content, the change of temperature；Video camera face sandbox.The present invention can set raininess, water level depth, calcareous sand grading and the multiple variables of dry density, and comprehensively rain infiltration characteristic and fresh-saline water interface Variation Regularity of Morphological Characteristics can be studied；It is simple to operate, it is not necessary to too many tedious steps；Suitable for the correlation test of rain infiltration, the research of fresh-saline water interface Variation Regularity of Morphological Characteristics and fresh water lens.
Description
Technical field
The present invention relates to the infiltration of the calcareous sand in rock soil medium field and disperse technology, more particularly to a kind of research degree of saltiness hydrosphere
The experimental rig and its method of face Variation Regularity of Morphological Characteristics.
Background technology
Calcium soil, or carbonate soil, typically refer to include marine organisms（Coral, marine alga and shell etc.）Be rich in carbon
The Special Rock medium of sour calcium or other carbonate materials.Calcium soil is for a long time in carbonate solution, through physics, biochemistry
Effect, including organic chip and the broken and bonding process of landwaste, by certain pressure, temperature and the change of dissolving
Journey, and a kind of carbonate sediment formed.We do the work about permeating, such as bailing test in calcareous sand ambient scene
When, rainy weather is run into sometimes, and this will produce interference to level of ground water, in order to eliminate this interference, study rain infiltration
Process, and salt-fresh water contact after situation of change, therefore study rain infiltration characteristic and fresh-saline water interface metamorphosis rule
Rule is very necessary.
The content of the invention
The purpose of the present invention, which is that, provides a kind of experimental rig for studying fresh-saline water interface Variation Regularity of Morphological Characteristics and its side
Method, to understand fully calcareous Flooding in Borehole moderate rain water infitration process and salt-fresh water changes in contact rule.
First, the experimental rig of fresh-saline water interface Variation Regularity of Morphological Characteristics is studied（Abbreviation device）：
The present apparatus includes measurand --- calcium soil；
It is provided with analogue unit and collecting unit；
Analogue unit is made up of rainfall case, sandbox, discharge water tank and support；
Collecting unit by three parameter sensors, data acquisition unit, computer and set of cameras into；
Its position and annexation are：
Support is placed on level ground；
Rainfall case, sandbox and discharge water tank are placed on support；
Rainfall case is located above sandbox；
Discharge water tank is placed at left and right sides of sandbox；
Computer connects with data acquisition unit, three parameter sensors be connected on data acquisition unit and from
In sandbox front insertion calcareous sand, the change of monitoring electrical conductivity, volumetric water content and temperature；
Video camera face sandbox.
2nd, the test method of fresh-saline water interface Variation Regularity of Morphological Characteristics is studied（Abbreviation method）
This method comprises the following steps：
1. placing the device on level ground, check that each component function can normal work；
It is compacted 2. the calcareous sand prepared in advance is put into sandbox；
3. water level is made gradually slowly to raise from the minimum delivery port water filling into sandbox of sandbox both sides so that calcareous sand is abundant in sandbox
Full water；
4. the parameter sensors of soil three are inserted into calcareous sand from sandbox front；
5. drop video camera face sandbox is put, start shooting；
5. the sandbox for closing sandbox both sides exchanges mouth valve, the outlet valve of rainfall case is opened；
6. record experimental data；
7. closing the outlet valve of rainfall case, open sandbox and exchange mouth valve.
The present invention has the advantages of following and good effect：
1. raininess, water level depth, calcareous sand grading and the multiple variables of dry density can be set, can be comprehensively to rain infiltration characteristic
And fresh-saline water interface Variation Regularity of Morphological Characteristics is studied；
It is 2. simple to operate, it is not necessary to too many tedious steps；
3. suitable for the correlation test of rain infiltration, the research of fresh-saline water interface Variation Regularity of Morphological Characteristics and fresh water lens.
Brief description of the drawings
Fig. 1 is the block diagram of the present apparatus；
Fig. 2 is the structural representation of the present apparatus；
Fig. 3 is the structural representation of analogue unit 10；
Fig. 4 is the structural representation of rainfall case 11；
Fig. 5 is the structural representation of sandbox 12；
Fig. 6 is the structural representation of discharge water tank 13；
Fig. 7 is the structural representation of support 14；
Fig. 8 is the structural representation of collecting unit 20.
In figure：
00-calcium soil；
10-analogue unit
11-rainfall case,
111-storage tank, 112-outlet valve, 113-discharge sump, 114-delivery port, 115-pillar；
12-sandbox,
120-sandbox casing, 121-sandbox exchange oral pore, and 122-sandbox exchanges mouth valve,
123-rubber tube, 124-grid, 125-gaging hole matrix；
13-discharge water tank,
130-casing, 131-exchange oral pore, 132-exchange mouth valve；
14-support,
141-rainfall cassette carrier, 142-sandbox bracket, 143-discharge Support for water tank, 144-base；
20-collecting unit
21-three parameter sensors；
22-data acquisition unit；
23-computer；
24-video camera.
Embodiment
Describe in detail with reference to the accompanying drawings and examples：
First, device
1st, it is overall
Such as Fig. 1,2, the present apparatus includes measurand --- calcium soil 00；
It is provided with analogue unit 10 and collecting unit 20；
Analogue unit 10 is made up of rainfall case 11, sandbox 12, discharge water tank 13 and support 14；
Collecting unit 20 is made up of three parameter sensors 21, data acquisition unit 22, computer 23 and video camera 24；
Its position and annexation are：
Support 14 is placed on level ground；
Rainfall case 11, sandbox 12 and discharge water tank 13 are put on the support 14；
Rainfall case 11 is located at the top of sandbox 12；
Discharge water tank 13 is placed on the left and right sides of sandbox 12；
Computer 23 and data acquisition unit 22 connect, three parameter sensors 21 be connected on data acquisition unit 22 and from
In the front of sandbox 12 insertion calcareous sand 00, the change of monitoring electrical conductivity, volumetric water content and temperature；
The face sandbox 12 of video camera 24.
Working mechanism：Rainfall-calcareous soil-seawater three-phase structure of present apparatus simulating two-dimensional, on-test, is by sandbox 12
The sandbox of both sides exchanges mouth valve 121 and closed, the rainwater addition coloring agent in rainfall case 11, and the seawater in discharge water tank 13 adds another
A kind of coloring agent of different colours, rainfall are waited to rainfall and finished into sandbox 12, after underground water is stable, is opened sandbox and are exchanged mouth
Valve 121, recover underground water exchange process.Video camera 24 can record rain infiltration, the contact of rainwater underground sea water and blending and become
The process of underground water boundaries change after change and rainfall are stable., can be with using mapping software by the photo recorded after experiment
Statistics, calculate and analyze rainfall infiltration, the process of rainwater seawater blending metamorphosis.The three parameters sensing of the front of sandbox 12 insertion
Device 21, underground water stable state can be gathered, rainfall, rainfall finish underground water and stablize and recover again stable after the water coke slurry of underground
The conductivity variations of whole process underground water.
2nd, functional unit
1）Analogue unit
Such as Fig. 3, analogue unit 10 is made up of rainfall case 11, sandbox 12, discharge water tank 13 and support 14；
（1）Rainfall case 11
Such as Fig. 4, rainfall case 11 includes storage tank 111, outlet valve 112, discharge sump 113, delivery port 114 and pillar 115；
Storage tank 111 and discharge sump 113 are vertically connected with by pillar 115 to form a whole；
Storage tank 111 is a kind of open-topped cuboid container, and bottom is provided with outlet valve 112；
Discharge sump 113 is a kind of cuboid container, and top is opened to be connected with outlet valve 112 flatly, and bottom is provided with a discharge mouth of a river 114
Water outlet.
（2）Sandbox 12
Such as Fig. 5, sandbox 12 includes sandbox casing 120, sandbox exchanges oral pore 121, sandbox exchanges mouth valve 122, rubber tube 123, grid
Lattice 124 and gaging hole matrix 125；
Sandbox casing 120 is a kind of open-topped cuboid container, is provided with the left and right sides of sandbox casing 120 and connects successively
10 sandboxes connect exchange oral pore 121, sandbox exchanges mouth valve 122 and rubber tube 123, and grid are carved with before sandbox casing 120
Lattice 124, gaging hole matrix 125 is additionally provided with before sandbox casing 120；
Sandbox sandbox 12 is located at the lower section of rainfall case 11, is connected by rubber tube 123 with the discharge water tank 13 of the left and right sides.
Its function is：Calcium soil 00 is placed, is the main body that experiment is carried out, its positive grid 124 is easy to later stage calculating office
Portion's area and traced shape, the sandbox of its both sides, which exchanges mouth valve 122, can control plumbing of the discharge water tank 13 to sandbox 12；Survey
Hole matrix 125 is for inserting three parameter sensors 21.
（3）Discharge water tank 13
Such as Fig. 6, discharge water tank 13 includes casing 130, exchanges oral pore 131 and exchanges mouth valve 132；
Casing 130 is a kind of open-topped cuboid container, latter linked exchange before the side of casing 130 is provided with 10
Oral pore 131 and exchange mouth valve 132.
Its function is：The height of water level in sandbox 12 is controlled, and is swapped with moisture in calcium soil 00 in sandbox 12,
Its side, which exchanges mouth valve 132, can control exchange process.
（4）Support 14
Such as Fig. 7, support 14 includes rainfall cassette carrier 141, sandbox bracket 142, discharge Support for water tank 143 and base 144；
Support 14 is horizontal positioned on the ground, and the middle of face sets sandbox bracket 142 on the support 14, in sandbox bracket 142
Rainfall cassette carrier 141 is connected with above, and the both sides in face are respectively arranged with discharge Support for water tank 143 on the support 14.
Its function is：Rainfall case 11, sandbox and 12 discharge water tanks 13 are fixed respectively.
2）Collecting unit 20
Such as Fig. 8, collecting unit 20 includes three parameter sensors 21, data acquisition unit 22, computer 23 and video camera 24；
Three parameter sensors 21 are inserted in calcareous sand 00 by the positive gaging hole 125 of sandbox 12, are surveyed electrical conductivity, temperature and volume and are contained
Water rate；
The data that data acquisition unit 22 measures to three parameter sensors 21 are acquired and are sent to computer 24；
The data of the display collection of computer 23；
Video camera 24 is shot to experiment process, the image statisticses of underground water metamorphosis, calculating in later stage interception sandbox 12
And analysis.
Claims (2)
1. a kind of experimental rig for studying fresh-saline water interface Variation Regularity of Morphological Characteristics, including calcareous sand（00）；
It is characterized in that：
It is provided with analogue unit（10）And collecting unit（20）；
Analogue unit（10）By rainfall case（11）, sandbox（12）, discharge water tank（13）And support（14）Composition；
Collecting unit（20）By three parameter sensors（21）, data acquisition unit（22）, computer（23）And video camera（24）Composition；
Its position and annexation are：
Support（14）It is placed on level ground；
Rainfall case（11）, sandbox（12）With discharge water tank（13）It is placed on support（18）On；
Rainfall case（11）Positioned at sandbox（12）Top；
Discharge water tank（13）It is placed on sandbox（12）The left and right sides；
Computer（23）And data acquisition unit（22）Connection, three parameter sensors（21）It is connected in data acquisition unit（22）It is upper and from sandbox
（12）Front insertion calcareous sand（00）In, monitor electrical conductivity, volumetric water content, the change of temperature；
Video camera（24）Face sandbox（12）.
2. the test method based on experimental rig described in claim 1, it is characterised in that：
1. placing the device on level ground, check that each component function can normal work；
2. the calcareous sand that will be prepared in advance（00）It is put into sandbox（12）Middle compacting；
3. from sandbox（12）The minimum delivery port in both sides is to sandbox（12）Interior water filling makes water level gradually slowly raise so that sandbox（12）
The fully full water of interior calcareous sand；
4. by the parameter sensors of soil three（21）From sandbox（12）Front insertion calcareous sand（00）；
5. video camera drops（24）Face sandbox（12）Put, start shooting；
5. close sandbox（12）The sandbox of both sides exchanges mouth valve（122）, open rainfall case（11）Outlet valve（112）；
6. record experimental data；
7. close rainfall case（11）Outlet valve（112）, open sandbox and exchange mouth valve（122）.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108680340A (en) * | 2018-05-21 | 2018-10-19 | 中国科学院地理科学与资源研究所 | A kind of analogue experiment installation and method accelerating the formation of reclaimed land fresh groundwater |
| CN109060602A (en) * | 2018-08-10 | 2018-12-21 | 中国科学院武汉岩土力学研究所 | The experimental rig and its method of islands and reefs fresh groundwater boundary variation when studying rainfall |
| CN109164244A (en) * | 2018-08-10 | 2019-01-08 | 中国科学院武汉岩土力学研究所 | Study the experimental rig and its method of the one-dimensional hydrodynamic dispersion characteristic of calcium soil |
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