CN112698408A - Geophysical prospecting test simulation device suitable for complex geological model - Google Patents
Geophysical prospecting test simulation device suitable for complex geological model Download PDFInfo
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- CN112698408A CN112698408A CN202011518885.6A CN202011518885A CN112698408A CN 112698408 A CN112698408 A CN 112698408A CN 202011518885 A CN202011518885 A CN 202011518885A CN 112698408 A CN112698408 A CN 112698408A
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- 238000004088 simulation Methods 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 179
- 239000002689 soil Substances 0.000 claims abstract description 46
- 230000001502 supplementing effect Effects 0.000 claims description 13
- 238000010291 electrical method Methods 0.000 claims description 8
- 230000007547 defect Effects 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 abstract description 2
- 239000012466 permeate Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000004746 geotextile Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000005341 toughened glass Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
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- Environmental & Geological Engineering (AREA)
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- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Geophysics And Detection Of Objects (AREA)
Abstract
The invention provides a geophysical prospecting test simulation device suitable for a complex geological model, which comprises a strip-shaped soil tank, wherein the strip-shaped soil tank is provided with a soil inlet; the soil tank is fully distributed with vertical water replenishing tanks, terrain lines and water level lines are drawn on the water replenishing tanks according to the equal ratio of actual terrains, overflow holes are formed in the water replenishing tanks, and positions lower than the terrain lines are distributed in a mode that floral tube holes are perpendicular to the trend of the soil tank. The invention can make up the defect that the difference between the fluctuation change of the terrain and the underground water level neglected in the soil tank test at the present stage and the actual geological and geophysical conditions is very far, thereby achieving the purposes of accurately simulating the terrain and the underground water level change, obtaining reliable simulation test data and further realizing accurate detection.
Description
Technical Field
The invention relates to a geophysical prospecting test simulation device suitable for a complex geological model, and belongs to the technical field of engineering geophysical prospecting.
Background
Indoor simulation tests of underground geological conditions are often required in geophysical exploration. The prior art is commonly used for soil tank tests, but only can simulate the situation of terrain and underground water level, neglect the fluctuation change of the terrain and the underground water level, have a large difference with the actual geophysical conditions, and can not meet the requirement of accurate simulation.
Disclosure of Invention
In order to solve the technical problem, the invention provides a geophysical prospecting test simulation device suitable for a complex geological model.
The invention is realized by the following technical scheme.
The geophysical prospecting test simulation device suitable for the complex geological model comprises a strip-shaped soil tank; the soil tank is fully distributed with vertical water replenishing tanks, terrain lines and water level lines are drawn on the water replenishing tanks according to the equal ratio of actual terrains, overflow holes are formed in the water replenishing tanks, and floral tubes are perpendicular to the direction of the soil tank and cross the positions lower than the terrain lines.
And overflow holes lower than the water level line in the overflow holes are blocked by hole plugs.
The floral tubes are evenly distributed.
A water supply pipe is connected to the top of the water supplementing groove and communicated to the water supply tank, and a water outlet pipe of a water pump is communicated to the water supply tank; a water return groove is arranged at the bottom of the water supplementing groove, a water collecting pit is arranged at the end part of the water return groove, and a water inlet pipe of a water pump is communicated with the water collecting pit; the water inlet pipe and the water outlet pipe of the water pump are connected to the water pump.
And the water supply pipe is provided with a valve at the position of the water replenishing groove.
The water return tank is positioned outside the water supplementing tank.
And a filter screen is fixed on the inner side of the water replenishing groove.
Electrodes are distributed in the soil tank along a topographic line and are connected to the electrical method acquisition instrument through a lead.
The floral tubes are distributed with floral tube holes.
The invention has the beneficial effects that: the defect that the fluctuation change of the terrain and the underground water level is neglected in the soil tank test at the present stage and the difference between the actual geological condition and the geophysical condition is far can be overcome, so that the purpose of accurately simulating the terrain and the underground water level change, obtaining reliable simulation test data and further realizing accurate detection is achieved.
Drawings
FIG. 1 is a schematic top view of the present invention;
FIG. 2 is an isometric view of FIG. 1;
FIG. 3 is a schematic side view of FIG. 1;
FIG. 4 is a schematic structural view of the floral tube of FIG. 1;
fig. 5 is a schematic view of the electrode installation of fig. 3 collecting data along the terrain line.
In the figure: 1-soil tank, 2-water supplementing tank, 3-filter screen, 4-water returning tank, 5-water collecting pit, 6-floral tube, 7-floral tube hole, 8-overflow hole, 9-hole plug, 10-topographic line, 11-water level line, 12-water pump inlet tube, 13-water pump, 14-water pump outlet tube, 15-water supply tank, 16-water supply tube, 17-valve, 18-electrode, 19-lead and 20-electrical method collector.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
A geophysical prospecting test simulation device suitable for a complex geological model as shown in fig. 1 to 5 comprises a strip-shaped soil tank 1; the soil tank 1 is fully distributed with a vertical water replenishing tank 2, a terrain line 10 and a water level line 11 are drawn on the water replenishing tank 2 according to the actual terrain equal ratio, the water replenishing tank 2 is provided with an overflow hole 8, and a flower pipe 6 is perpendicular to the direction of the soil tank 1 and crosses the position lower than the terrain line 10.
Of the overflow holes 8, the overflow hole 8 lower than the water level line 11 is closed with a hole plug 9.
The floral tubes 6 are evenly distributed.
A water supply pipe 16 is connected to the top of the water replenishing tank 2, the water supply pipe 16 is communicated to the water supply tank 15, and a water outlet pipe 14 of a water pump is communicated to the water supply tank 15; a water return tank 4 is arranged at the bottom of the water supplementing tank 2, a water collecting pit 5 is arranged at the end part of the water return tank 4, and a water inlet pipe 12 of a water pump is communicated to the water collecting pit 5; the water inlet pipe 12 and the water outlet pipe 14 of the water pump are connected to the water pump 13.
A valve 17 is provided in the water supply pipe 16 at a position connected to the water replenishing tank 2.
The water return tank 4 is positioned outside the water replenishing tank 2.
A filter screen 3 is fixed on the inner side of the water replenishing tank 2.
The soil tank 1 is provided with electrodes 18 distributed along the topographic line 10, and the electrodes 18 are connected to an electrical acquisition instrument 20 through leads 19.
The floral tube 6 is fully distributed with floral tube holes 7.
Example 1
By adopting the scheme, as shown in fig. 1 to 5, the device comprises a soil tank 1, a water supplementing tank 2, a filter screen 3, a water returning tank 4, a water collecting pit 5, a flower pipe 6, a flower pipe hole 7, an overflow hole 8, a hole plug 9, a terrain line 10, a water level line 11, a water pump inlet pipe 12, a water pump 13, a water pump outlet pipe 14, a water supply tank 15, a water supply pipe 16, a valve 17, an electrode 18, a lead 19 and an electrical method acquisition instrument 20. According to the actual terrain and the underground water level, a terrain line 10 and a water level line 11 are drawn on the water supplementing tank 2 according to the test simulation proportion. The side of the soil tank 1 is uniformly paved with filter screens 3, soil bodies are piled according to the elevation of a terrain line 10, and the flower tubes 6 are uniformly distributed below the terrain line 10. The overflow opening 8 below the water line 11 is plugged with a plug 9. The valve 17 is opened to inject the water in the water supply tank 15 into the water replenishing tank 2 through the water supply pipe 16, the water in the water replenishing tank 2 seeps into the soil tank 1 through the filter screen 3 and the floral tube 6, and the redundant water overflows to the water returning tank 4 through the overflow hole 8. The water in the return water tank 4 is collected into a sump 5. The water in the sump 5 is pumped to the water supply tank 15 by the water pump 13 for recycling. The electrode 18 is connected with the electrical method acquisition instrument 20 by a lead 19, the electrode 18 is inserted into the surface of the model soil body in the soil tank 1, and geophysical prospecting data are acquired under the control of the electrical method acquisition instrument 20.
The main body part consists of a soil tank 1, a group of water replenishing tanks 2 and a water return tank 4. The middle part is a soil tank 1, the two sides of the soil tank 1 are water replenishing tanks 2, and the outer sides of the water replenishing tanks 2 are water return tanks 4. The part is made of transparent tempered glass and is marked with scales at appropriate positions to facilitate observation.
The water supplementing tank 2 is communicated with the soil tank 1 in a net shape, and has rigidity and no deformation. The water replenishing grooves 2 are separated by a water-tight plate and extend into the soil groove 1 for 20 cm. A series of overflow holes 8 with uniform size are arranged on the outer side of the water supplementing tank 2 at equal intervals, and water seeping from the overflow holes 8 flows into the water returning tank 4.
The filter screen 3 is made of geotextile and plays a role in retaining soil and draining water. And a filter screen 3 is laid on the side of the soil tank 1 to prevent the soil in the soil tank 1 from flowing into the water replenishing tank 2 and ensure that the water in the water replenishing tank 2 smoothly permeates into the soil tank 1.
The perforated pipe 6 is a plastic circular pipe, the two ends of the perforated pipe are open, the inner diameter of the perforated pipe is 10-12 mm, the outer diameter of the perforated pipe is 12-16 mm, and the length of the perforated pipe is the width of the soil tank 1. The tube body of the floral tube 6 is fully distributed with the floral tube holes 7, the diameters of the floral tube holes 7 are 5-6 mm, and the distance between every two floral tube holes 7 is 20 mm. Two ends of the perforated pipe 6 are inserted into the filter screen 3 and evenly distributed with the terrain lines 10 to the bottom of the soil tank 1 at intervals of 20cm multiplied by 20 cm. The water in the water replenishing tank 2 quickly permeates into the soil body in the soil tank 1 through the floral tube 6 below the water level line 11.
The overflow hole 8 below the water level line 11 is plugged with a hole plug 9, and the overflow hole 8 above the water level line 11 is kept open, thereby ensuring fluctuation of the water level.
The topographic line 10 and the water level line 11 are drawn symmetrically on the water replenishing grooves 2 at two sides, and the overflow holes 8 at two sides are symmetrically opened or plugged by using hole plugs 9.
The regulating valve 17 is used for controlling the water flow to the water replenishing tank 2 to replenish water, the water replenishing flow at the part with a high water head is large, and the water replenishing flow at the part with a low water head is small or even water does not need to be replenished. The water replenishing flow of each water replenishing tank 2 is based on the continuous and slow water seepage of the overflow holes 8 at the water level line 11.
In general, in use: according to the actual terrain and the underground water level, a terrain line 10 and a water level line 11 are drawn on the water supplementing tank 2 according to the test simulation proportion. The side of the soil tank 1 is uniformly paved with filter screens 3, soil bodies are piled according to the elevation of a terrain line 10, and the flower tubes 6 are uniformly distributed below the terrain line 10. The overflow opening 8 below the water line 11 is plugged with a plug 9. The valve 17 is opened to inject the water in the water supply tank 15 into the water replenishing tank 2 through the water supply pipe 16, the water in the water replenishing tank 2 seeps into the soil tank 1 through the filter screen 3 and the floral tube 6, and the redundant water overflows to the water returning tank 4 through the overflow hole 8. The water in the return water tank 4 is collected into a sump 5. The water in the sump 5 is pumped to the water supply tank 15 by the water pump 13 for recycling. The electrode 18 is connected with the electrical method acquisition instrument 20 by a lead 19, the electrode 18 is inserted into the surface of the model soil body in the soil tank 1, and geophysical prospecting data are acquired under the control of the electrical method acquisition instrument 20.
Claims (9)
1. The utility model provides a geophysical prospecting test analogue means suitable for complicated geological model, includes banding soil box (1), its characterized in that: the soil tank (1) is fully distributed with a vertical water replenishing tank (2), a terrain line (10) and a water level line (11) are drawn on the water replenishing tank (2) according to the actual terrain in an equal ratio mode, the water replenishing tank (2) is provided with an overflow hole (8), and a perforated pipe (6) is perpendicular to the direction of the soil tank (1) and stretches across the position lower than the terrain line (10).
2. A geophysical prospecting test simulation apparatus for complex geological models according to claim 1, characterized in that: among the overflow holes (8), the overflow hole (8) lower than the water level line (11) is blocked by a hole plug (9).
3. A geophysical prospecting test simulation apparatus for complex geological models according to claim 1, characterized in that: the floral tubes (6) are uniformly distributed.
4. A geophysical prospecting test simulation apparatus for complex geological models according to claim 1, characterized in that: a water supply pipe (16) is connected to the top of the water replenishing tank (2), the water supply pipe (16) is communicated to the water supply tank (15), and a water outlet pipe (14) of a water pump is communicated to the water supply tank (15); a water return groove (4) is arranged at the bottom of the water supplementing groove (2), a water collecting pit (5) is arranged at the end part of the water return groove (4), and a water inlet pipe (12) of a water pump is communicated to the water collecting pit (5); the water inlet pipe (12) and the water outlet pipe (14) of the water pump are connected to the water pump (13).
5. A geophysical prospecting test simulation apparatus for complex geological models according to claim 4, characterized in that: a valve (17) is arranged on the water supply pipe (16) at the position connected with the water replenishing tank (2).
6. A geophysical prospecting test simulation apparatus for complex geological models according to claim 4, characterized in that: the water return tank (4) is positioned on the outer side of the water supplementing tank (2).
7. A geophysical prospecting test simulation apparatus for complex geological models according to claim 1, characterized in that: and a filter screen (3) is fixed on the inner side of the water supplementing groove (2).
8. A geophysical prospecting test simulation apparatus for complex geological models according to claim 1, characterized in that: electrodes (18) are distributed in the soil tank (1) along a terrain line (10), and the electrodes (18) are connected to an electrical method acquisition instrument (20) through leads (19).
9. A geophysical prospecting test simulation apparatus for complex geological models according to claim 1, characterized in that: the floral tube (6) is fully distributed with floral tube holes (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202011518885.6A CN112698408A (en) | 2020-12-21 | 2020-12-21 | Geophysical prospecting test simulation device suitable for complex geological model |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011518885.6A CN112698408A (en) | 2020-12-21 | 2020-12-21 | Geophysical prospecting test simulation device suitable for complex geological model |
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| CN112698408A true CN112698408A (en) | 2021-04-23 |
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| CN202011518885.6A Pending CN112698408A (en) | 2020-12-21 | 2020-12-21 | Geophysical prospecting test simulation device suitable for complex geological model |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005016145A (en) * | 2003-06-26 | 2005-01-20 | Nishimatsu Constr Co Ltd | Experimental method of underground water level lowering construction method and miniature model |
| CN101609157A (en) * | 2009-07-20 | 2009-12-23 | 中国矿业大学(北京) | The physical simulation experiment method and the device that are used for monitoring shearing force of earthquake triggering cross section surface |
| CN205538581U (en) * | 2016-01-28 | 2016-08-31 | 成都理工大学 | Package band of gas and zone of saturation seepage flow experimental apparatus under river control of intermittent type nature |
| CN206532507U (en) * | 2017-01-18 | 2017-09-29 | 中国地质大学（武汉） | A kind of heterogeneous isotropic aquifer seepage action of ground water rule simulation testing instrument |
| CN109696294A (en) * | 2019-01-31 | 2019-04-30 | 河海大学 | A kind of device for probing into tidal flat Dynamic Geomorphology under bioturbation |
| CN110874976A (en) * | 2019-11-29 | 2020-03-10 | 济南大学 | Method for simulating dynamic state of underground water of karst big spring |
| CN111882975A (en) * | 2020-06-12 | 2020-11-03 | 绍兴市城投再生资源有限公司 | Solid model for demonstrating light well point dewatering filter pipe siltation accident treatment process |
-
2020
- 2020-12-21 CN CN202011518885.6A patent/CN112698408A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005016145A (en) * | 2003-06-26 | 2005-01-20 | Nishimatsu Constr Co Ltd | Experimental method of underground water level lowering construction method and miniature model |
| CN101609157A (en) * | 2009-07-20 | 2009-12-23 | 中国矿业大学(北京) | The physical simulation experiment method and the device that are used for monitoring shearing force of earthquake triggering cross section surface |
| CN205538581U (en) * | 2016-01-28 | 2016-08-31 | 成都理工大学 | Package band of gas and zone of saturation seepage flow experimental apparatus under river control of intermittent type nature |
| CN206532507U (en) * | 2017-01-18 | 2017-09-29 | 中国地质大学（武汉） | A kind of heterogeneous isotropic aquifer seepage action of ground water rule simulation testing instrument |
| CN109696294A (en) * | 2019-01-31 | 2019-04-30 | 河海大学 | A kind of device for probing into tidal flat Dynamic Geomorphology under bioturbation |
| CN110874976A (en) * | 2019-11-29 | 2020-03-10 | 济南大学 | Method for simulating dynamic state of underground water of karst big spring |
| CN111882975A (en) * | 2020-06-12 | 2020-11-03 | 绍兴市城投再生资源有限公司 | Solid model for demonstrating light well point dewatering filter pipe siltation accident treatment process |
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