CN207649877U - Porous media aquifer parameter tests physics test platform - Google Patents
Porous media aquifer parameter tests physics test platform Download PDFInfo
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- CN207649877U CN207649877U CN201820035416.0U CN201820035416U CN207649877U CN 207649877 U CN207649877 U CN 207649877U CN 201820035416 U CN201820035416 U CN 201820035416U CN 207649877 U CN207649877 U CN 207649877U
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- pumped well
- anaerobic condition
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Abstract
The utility model discloses a kind of porous media aquifer parameters to test physics test platform, including bottom platform, the bottom of at, platform has built exterior wall by laying bricks or stones, has built stair by laying bricks or stones on the outside of one side wall of exterior wall, evacuated tube, the first overflow pipe and the second overflow pipe are equipped on another side wall of exterior wall；It is provided with water-bearing layer platform within the walls outside, water-bearing layer platform includes frame and anaerobic condition, the center of anaerobic condition is fitted with pumped well, two rows of sighting tubes are fitted on anaerobic condition between the pumped well and frame, two rows of sighting tubes are vertically arranged, sighting tube and pumped well lower part extend downward into anaerobic condition bottom, and anaerobic condition is extended upward at the top of sighting tube and pumped well.The utility model advantage is to establish water-bearing layer platform and water barrier, realizes the simulation to diving and two kinds of groundwater types of artesian water；And by pumped well and sighting tube, the simulation and research of the experiments such as bailing test, water injection test, slug test are effectively realized, comprehensive utilization ratio is high.
Description
Technical field
The utility model is related to hydrogeological test facilities, more particularly, to a kind of porous media aquifer parameter tester
Manage test platform.
Background technology
Physical test model is the common method of hydrogeological study, passes through underground water in observing and nursing analysis hydrogeology
The feature of movement and water-bearing layer.The physical test platform size of existing hydrogeological study is smaller, is easy by size when experiment
Limitation, cannot be to the factors combinatory analysis such as flow, the radius of influence, drawdown, and test result is larger by scale effect and edge effect,
Cause test result that can not reflect the actual conditions of ground water movement and water-bearing layer in hydrogeology on a macro scale.Thus, it is trying
Large scale scale-model investigation seepage action of ground water and aquifar test are used when testing, and can reflect geological condition on a macro scale.But it is existing
There is large scale physical model to be designed mostly for single test objective, versatility is poor；Different tests purpose needs are set
Different physical models is counted, test work load and experimentation cost are increased.
Invention content
The utility model aim is to provide a kind of porous media aquifer parameter test physics test platform, and the experiment is flat
Platform can realize the simulation of two kinds of groundwater types of diving and artesian water.
To achieve the above object, the utility model takes following technical proposals：
Porous media aquifer parameter described in the utility model tests physics test platform, including by concreting and
At bottom platform, build the exterior wall in square cyclic structure by laying bricks or stones in the bottom platform upper surface, built on the outside of a side wall of the exterior wall
Stair have been built, have built levels operation platform at the top of the stair by laying bricks or stones, another side wall of exterior wall from its bottom wear successively upwards by interval
Equipped with evacuated tube, the first overflow pipe and the second overflow pipe；The outer water-bearing layer platform for being provided with cylindrical-shaped structure within the walls, it is described
Water-bearing layer platform includes the frame and the anaerobic condition being filled in the frame, the anaerobic condition in cirque structure
Center be fitted with pumped well, be fitted with two rows of sighting tubes on the anaerobic condition between the pumped well and frame, two
It arranges the sighting tube to be vertically arranged, sighting tube and pumped well lower part extend downward into anaerobic condition bottom, sighting tube and pumping
The top of well extends upward anaerobic condition；Positioned at the upward 5cm ± 0.5cm in anaerobic condition bottom and its top
Pumped well between downward 5cm ± 0.5cm is the interleaved well screen section of drawing water equipped with first through hole, is located at anaerobic condition bottom
Sighting tube between the upward 5cm ± 0.5cm in portion and its top down 5cm ± 0.5cm is the sighting tube filter for offering the second through-hole
Pipeline section.
It is 80 the first strainers of purpose that the lower part of the pumped well, which is coated at least three layers of mesh number, and the lower part of the sighting tube is wrapped
It is 80 the second strainers of purpose to be covered at least two layers of mesh number.
The caliber of the pumped well is 110mm, 160mm or 200mm, and the aperture of the first through hole is 7~11mm, up and down
Spacing between two adjacent first through hole is 5cm；The caliber of the sighting tube is 50mm, the aperture 5 of second through-hole~
9mm, the spacing between neighbouring two second through-holes are 10cm.
The spacing in the sighting tube between adjacent two sighting tube is often arranged to be sequentially reduced from the frame to the pumped well.
The frame includes steel bar framework made of being connected by circular stirrups and longitudinal reinforcement weldering, is led on the inside of the steel bar framework
It crosses iron wire and is banded with steel wire, the steel wire is close to steel bar framework, and steel wire madial wall, which is sticked, third strainer, the third filter
The mesh number of net is 120 mesh.
The anaerobic condition is covered with protective film, and the top of the pumped well and the sighting tube is pierced by institute upwards
State protective film.
The anaerobic condition upper surface is provided with the water barrier of cylindrical structure, and the water barrier includes in annular shape
Iron sheet and be filled in the intracutaneous clay medium of the iron, offered in ring close to the test(ing) medium edge of the frame its circumferential direction
The groove of shape structure, recess sidewall setting is close to the protective film of the groove corresponding position, and the iron sheet is inserted into positioned at guarantor
It protects in the groove on film；The top of the pumped well and the sighting tube extends upward the clay medium.
The height of first overflow pipe is less than the water-bearing layer platform upper surface；The height of second overflow pipe is higher than
Water-bearing layer platform upper surface is less than the iron sheet upper surface.
The utility model advantage is to establish cylindrical water-bearing layer platform and water proof according to Qiu Buyi theoretical models
Layer realizes the simulation to diving and two kinds of groundwater types of artesian water, reduces test work load and experimentation cost, improve
Comprehensive utilization ratio.When experiment, by the pumped well and sighting tube of this test platform, effectively realize bailing test, water injection test,
The simulation and research of the experiments such as slug test；By bailing test, flow is made to be moved by the circumferential central suction well of water-bearing layer platform four
It is dynamic to form radial flow, convenient for ground water movement feature and solute transport in observation and research radial flow fields.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model embodiment one.
Fig. 2 be in Fig. 1 A-A to schematic cross-sectional view.
Fig. 3 is the enlarged structure schematic diagram in the portions B in Fig. 2.
Fig. 4 is the structural schematic diagram of the utility model embodiment two.
Specific implementation mode
Embodiment one
As shown in Figure 1, Figure 2, Figure 3 shows, porous media aquifer parameter described in the utility model tests physics test platform
（That is diving physical test model）, including the bottom platform 1 made of concreting, the size of bottom platform 1 be 5m × 5m ×
0.2m, the bottom of at, 1 upper surface of platform builds the exterior wall 2 in square cyclic structure by laying bricks or stones, and 2 height of exterior wall is 2.2m, and wall thickness is
0.38m, the dead size inside exterior wall 2 are 4m × 4m × 2.2m；Stair 3, the top of stair 3 have been built by laying bricks or stones on the outside of the back side wall of exterior wall 2
Portion has built levels operation platform 4 by laying bricks or stones, and from its bottom, interval is equipped with evacuated tube 5.1, first and overflows successively upwards on the left side wall of exterior wall 2
Water pipe 5.2 and the second overflow pipe 5.3 are both provided with valve on evacuated tube 5.1, the first overflow pipe 5.2 and the second overflow pipe 5.3,
Evacuated tube 5.1 is located at left side wall bottom, and the first overflow pipe 5.2 is located at the 1.3m of left side wall, and the second overflow pipe 5.3 is located at left side
At wall 2.0m；It is provided with the water-bearing layer platform of cylindrical-shaped structure in exterior wall 2, water-bearing layer podium level is 1.5m, a diameter of 3.8m,
Water-bearing layer platform includes the frame and the anaerobic condition 6 being filled in frame in cirque structure, and frame includes by circular, hoop
11 a diameter of 3.8m of muscle and 12 height of longitudinal reinforcement are steel bar framework made of 1.5m welderings connect, and longitudinal reinforcement 12 is 24, round
Stirrup 11 is 7, and the spacing between circular stirrups 11 is followed successively by 10cm, 20cm, 30cm, 30cm, 30cm, 30cm from bottom to top；
Steel wire 13 is banded with by iron wire on the inside of steel bar framework, the height of steel wire 13 is 1.5m, and 13 madial wall of steel wire passes through iron
Silk is banded with the third strainer 14 that mesh number is 120 mesh, and third strainer 14 is close to the setting of 13 medial surface of steel wire, third strainer 14
Height is slightly larger than 1.5m, so that its upper and lower ends is extended steel wire 13 and turns down outward, ensures that frame side wall is permeable smooth；It is aqueous
The upper surface of layer medium 6 is covered with protective film 15, prevents from falling sundries；The center of anaerobic condition 6 is fitted with pumped well 7,
It is vertical on anaerobic condition 6 between pumped well 7 and frame to be fitted with two rows of sighting tubes 8, fully consider natural groundwater
Anisotropy, convenient for observation different location SEA LEVEL VARIATION；Often row's sighting tube 8 has 4, often arranges adjacent two sight in sighting tube 8
Spacing between test tube is sequentially reduced from export-oriented pumped well 7, the spacing L between a most interior sighting tube and pumped well 71For
15cm, the spacing L between second sighting tube and most interior sighting tube2For 15cm, third root sighting tube and second sighting tube
Spacing L3For 40cm, the spacing L of third root sighting tube and an outermost sighting tube4For 70cm, it is applicable not only to conventional examination of drawing water
It tests and water injection test, is also particularly suitable observation slug test, meets the needs that slug test observes water-level fluctuation；Sighting tube
8 and 7 bottom of pumped well extend downward into 6 bottom of anaerobic condition, it is 80 purposes that 7 lower part of pumped well, which is coated with three layers of mesh number,
One strainer, it is 80 the second strainers of purpose that 8 lower part of sighting tube, which is coated with two layers mesh number, prevent from pumped well and observation bottom of the tube into
The top of water, sighting tube 8 and pumped well 7 extends upward protective film 15；Positioned at the upward 5cm in 6 bottom of anaerobic condition ±
Pumped well 7 between 0.5cm and its top down 5cm ± 0.5cm is the interleaved 7 chimney filter section of pumped well equipped with first through hole 9,
The aperture of first through hole 9 is 9mm, and the spacing between upper and lower two adjacent first through hole 9 is 5cm；Positioned at 6 bottom of anaerobic condition to
Sighting tube 8 between upper 5cm ± 0.5cm and its top down 5cm ± 0.5cm is the interleaved sighting tube for being equipped with the second through-hole 10
Chimney filter section, the spacing of the caliber of sighting tube 8 between the through-hole 10 of 50mm, the aperture 5mm of the second through-hole 10, neighbouring two second
For 10cm.
When experiment, realize that the experiment of different water cut medium passes through same medium by changing anaerobic condition 6
The pumped well 7 for replacing different-diameter realizes the multiple aperture experiment of the medium.
Embodiment two
As shown in figure 4, being the artesian water that may make up present embodiment by building water barrier in anaerobic condition upper surface
Physical test model, water barrier include in circular iron sheet 16 and the clay medium 17 being filled in the iron sheet 16, it is close
The test(ing) medium of outline border offers the groove of structure in a ring along its circumferential direction, is close to groove with the protective film 15 of groove corresponding position
Side wall is arranged, and iron sheet 16 is inserted into the groove on protective film；The top of pumped well 7 and sighting tube 8 extends upward
The clay medium 17.
The construction method of the utility model is as follows：
The first step pours bottom platform 1, builds exterior wall 2 by laying bricks or stones
First, smooth test site, the bottom platform 1 of concreting in test site, conserve 14 days or more, to ensure
1 intensity stabilization of bottom platform；Secondly, the bottom of at, 1 upper surface of platform builds four side walls of exterior wall 2 by laying bricks or stones, is built on the outside of the back side wall of exterior wall 2
Stair 3 and levels operation platform 4 are built, stair 3 and levels operation platform 4 are smoothed out with cement mortar；Conserve cement mortar, wait for exterior wall 2,
After the intensity stabilization of stair 3 and levels operation platform 4,2 medial surface of External Wall and 1 upper surface of bottom platform are done water-proofing treatment and are closed
Water is vented by evacuated tube 5.1 by water test after the test；
Second step builds water-bearing layer platform
First, frame is built：7 circular stirrups 11 and 24 longitudinal reinforcements 12 are first processed, oscillating arm type lift device is utilized
The circular stirrups 11 processed and straight reinforcing bar are put into exterior wall 2 simultaneously welded reinforcement frame；After the completion of steel bar framework welding, by steel
Silk screen 13 is put into inside steel bar framework, is bound steel wire 13 on steel bar framework with iron wire；Then third strainer 14 is put into
In steel wire 13, third strainer 14 is bound on bar-mat reinforcement with iron wire；Frame is taken out after the completion of building according to design position is reserved
8 position of well 7 and sighting tube；
Secondly, pumped well 7 and sighting tube 8 are processed：Three pumped wells 7 and eight sighting tubes 8 are all made of pvc pipe, pumped well 7
A diameter of 110mm, 160mm and 200mm（According to caliber needed for experiment demand selection）, submitted in the chimney filter section tube wall of pumped well 7
Mistake punching, using staggeredly being punched to wearing on the tube wall of observation strainer section, the length of 7 chimney filter section of pumped well and observation strainer section is equal
For 140cm, 5cm is not punched tube wall up and down, it is ensured that fine grained is sunken to tube bottom；After the completion of punching three are bound in 7 lower part of pumped well
Layer mesh number is 80 the first strainers of purpose, and it is 80 the second strainers of purpose to bind two layers of mesh number every 8 lower part of sighting tube, is prevented
Water in anaerobic condition 6 enters from bottom in pumped well 7 or sighting tube 8；
Finally fill anaerobic condition 6, pipe laying：Using oscillating arm type lift device, into frame, a small amount of fine sand of handling, fine sand are flat
Paving thickness is 0.2m~0.3m；Pumped well 7 is inserted into frame center position, eight sighting tubes 8, which are divided into two rows, is inserted into bottom
At the preformed hole of platform 1 and artificial righting ensures vertically, and then handling sand is deposited in around pumped well 7 and sighting tube 8 to protect
It is vertical to hold pipe shaft, then proceedes to handling sand until frame is filled up；Slow water filling water in the cavity surrounded to exterior wall 2 and frame
Position height is 1.5m, if sand is made to absorb, moisture reaches saturation and the stable sand surface settlement amount of settlement is larger, continues to hang
Sand is transported to design height, the first overflow pipe 5.2 is opened and releases the construction that water-bearing layer platform can be completed in superfluous water, you can carry out
Related experiment in relation to phreatic aquifer, such as the experiment of diving fully penetrating well water pumping, diving complete penetration of well water injection test and slug test；
Third walks, and builds water barrier
Along the anaerobic condition 6 of frame inner wall excavate a depth be 10cm, the groove that width is 5cm；In water-bearing layer
Tile 6 upper surface of medium the protective film 15 of a diameter of 5.0m（15 center water-bearing layer Platform center of protective film is consistent, and protection is thin
It excavates on film 15 and perforates correspondingly with pumped well 7 and sighting tube 8 in advance）, then will protective film corresponding with groove 15
It is pressed into groove, the circular ring shape iron sheet 16 of pre-production is placed in groove, iron sheet 16 is located on protective film 15, along iron sheet
The bottom of 16 inner walls is filled with a small amount of bentonite, while being laid with bentonite in pumped well 7 and 8 surrounding of sighting tube, it is ensured that iron sheet 16 is steady
It is qualitative；Then by oscillating arm type lift device, into iron sheet 16, handling clay, clay layer height are 50cm, you can complete water barrier
It builds；When experiment, the first overflow pipe 5.2 is closed, the second overflow pipe 5.3 is opened, to by exterior wall 2 and anaerobic condition 6, water proof
It is filled at the second overflow pipe 5.3 in the cavity that layer surrounds, observes water level in pumped well 7 and sighting tube 8, opened after stable level
Open up the related experiment of artesian aquifer, such as pressure-bearing whole well water-pumping experiment, pressure-bearing whole well water injection test or slug test.
Claims (8)
1. a kind of porous media aquifer parameter tests physics test platform, including the bottom platform made of concreting（1）,
It is characterized in that：In the bottom platform（1）Build the exterior wall in square cyclic structure by laying bricks or stones in upper surface（2）, the exterior wall（2）Side
Stair have been built by laying bricks or stones on the outside of wall（3）, the stair（3）Top built levels operation platform by laying bricks or stones（4）, exterior wall（2）Another side wall from
Interval is equipped with evacuated tube successively upwards for its bottom（5.1）, the first overflow pipe（5.2）With the second overflow pipe（5.3）；The exterior wall
（2）It is inside provided with the water-bearing layer platform of cylindrical-shaped structure, the water-bearing layer platform includes the frame and filling in cirque structure
Anaerobic condition in the frame（6）, the anaerobic condition（6）Center be fitted with pumped well（7）, it is located at the pumping
Well（7）Anaerobic condition between frame（6）On be fitted with two rows of sighting tubes（8）, two rows of sighting tubes（8）Vertically set
It sets, sighting tube（8）And pumped well（7）Lower part extends downward into anaerobic condition（6）Bottom, sighting tube（8）And pumped well（7）
Top extend upward anaerobic condition（6）；Positioned at the anaerobic condition（6）Bottom upward 5cm ± 0.5cm and Qi Ding
Pumped well between the downward 5cm ± 0.5cm in portion（7）It is equipped with first through hole to be interleaved（9）Well screen section of drawing water, be located at it is aqueous
Layer medium（6）Sighting tube between the upward 5cm ± 0.5cm in bottom and its top down 5cm ± 0.5cm（8）To offer second
Through-hole（10）Sighting tube chimney filter section.
2. porous media aquifer parameter according to claim 1 tests physics test platform, it is characterised in that：The pumping
Well（7）To be coated at least three layers of mesh number be 80 the first strainers of purpose, the sighting tube for lower part（8）Lower part be coated at least
Two layers of mesh number is 80 the second strainers of purpose.
3. porous media aquifer parameter according to claim 2 tests physics test platform, it is characterised in that：The pumping
Well（7）Caliber be 110mm, 160mm or 200mm, the first through hole（9）Aperture be 7~11mm, upper and lower two adjacent the
One through-hole（9）Between spacing be 5cm；The sighting tube（8）Caliber be 50mm, second through-hole（10）Aperture 5~
9mm, neighbouring two second through-holes（10）Between spacing be 10cm.
4. porous media aquifer parameter according to claim 1,2 or 3 tests physics test platform, it is characterised in that：
Often arrange the sighting tube（8）In adjacent two sighting tube（8）Between spacing from the frame to the pumped well（7）Subtract successively
It is small.
5. porous media aquifer parameter according to claim 1 tests physics test platform, it is characterised in that：The frame
Frame includes by circular stirrups（11）And longitudinal reinforcement（12）Steel bar framework made of weldering connects, the steel bar framework inside pass through iron wire
It is banded with steel wire（13）, the steel wire（13）It is close to steel bar framework, steel wire（13）Madial wall, which is sticked, third strainer
（14）, the third strainer（14）Mesh number be 120 mesh.
6. porous media aquifer parameter according to claim 1 tests physics test platform, it is characterised in that：It is described to contain
Water layer medium（6）It is covered with protective film（15）, the pumped well（7）With the sighting tube（8）Top be pierced by institute upwards
State protective film（15）.
7. porous media aquifer parameter according to claim 6 tests physics test platform, it is characterised in that：It is described to contain
Water layer medium（6）Upper surface is provided with the water barrier of cylindrical structure, and the water barrier includes in circular iron sheet（16）
Be filled in the iron sheet（16）Interior clay medium（17）, close to the test(ing) medium edge of the frame, its circumferential direction, which offers, is in
The groove of loop configuration, the protective film with the groove corresponding position（15）It is close to recess sidewall setting, the iron sheet（16）It inserts
Mounted in positioned at protective film（15）On groove in；The pumped well（7）With the sighting tube（8）Top extend upward institute
State clay medium（17）.
8. porous media aquifer parameter according to claim 7 tests physics test platform, it is characterised in that：Described
One overflow pipe（5.2）Height be less than the water-bearing layer platform upper surface；Second overflow pipe（5.3）Height higher than aqueous
Layer platform upper surface is less than the iron sheet（16）Upper surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820035416.0U CN207649877U (en) | 2018-01-10 | 2018-01-10 | Porous media aquifer parameter tests physics test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820035416.0U CN207649877U (en) | 2018-01-10 | 2018-01-10 | Porous media aquifer parameter tests physics test platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207649877U true CN207649877U (en) | 2018-07-24 |
Family
ID=62875975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820035416.0U Active CN207649877U (en) | 2018-01-10 | 2018-01-10 | Porous media aquifer parameter tests physics test platform |
Country Status (1)
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| CN (1) | CN207649877U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109828308A (en) * | 2019-03-01 | 2019-05-31 | 山东大学 | A kind of geophysics earth-electricity model experimental rig and method |
| CN114923661A (en) * | 2022-05-01 | 2022-08-19 | 长江水利委员会长江科学院 | Radial well flow test system and method for implanted relief well |
-
2018
- 2018-01-10 CN CN201820035416.0U patent/CN207649877U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109828308A (en) * | 2019-03-01 | 2019-05-31 | 山东大学 | A kind of geophysics earth-electricity model experimental rig and method |
| CN114923661A (en) * | 2022-05-01 | 2022-08-19 | 长江水利委员会长江科学院 | Radial well flow test system and method for implanted relief well |
| CN114923661B (en) * | 2022-05-01 | 2024-06-11 | 长江水利委员会长江科学院 | Radial well flow test system and method for implantable relief well |
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Address after: 450003 No. 109 Jinshui Road, Jinshui District, Henan, Zhengzhou Patentee after: Yellow River Survey Planning and Design Research Institute Co., Ltd. Address before: 450003 No. 109 Jinshui Road, Jinshui District, Henan, Zhengzhou Patentee before: Yellow River Engineering Consulting Co., Ltd. |