CN109085039A - Prepare the device and preparation method of Ground Penetrating Radar contaminated soil detection simulation test soil sample - Google Patents
Prepare the device and preparation method of Ground Penetrating Radar contaminated soil detection simulation test soil sample Download PDFInfo
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- CN109085039A CN109085039A CN201811098170.2A CN201811098170A CN109085039A CN 109085039 A CN109085039 A CN 109085039A CN 201811098170 A CN201811098170 A CN 201811098170A CN 109085039 A CN109085039 A CN 109085039A
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- penetrating radar
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- 239000002689 soil Substances 0.000 title claims abstract description 78
- 238000012360 testing method Methods 0.000 title claims abstract description 49
- 230000000149 penetrating effect Effects 0.000 title claims abstract description 33
- 238000004088 simulation Methods 0.000 title claims abstract description 31
- 238000002360 preparation method Methods 0.000 title claims abstract description 28
- 238000001514 detection method Methods 0.000 title claims abstract description 27
- 230000005540 biological transmission Effects 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000002184 metal Substances 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000007906 compression Methods 0.000 description 2
- 238000003900 soil pollution Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000004451 qualitative analysis Methods 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 235000013311 vegetables Nutrition 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
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
A kind of device and preparation method preparing Ground Penetrating Radar contaminated soil detection simulation test soil sample, the control system of the electro-hydraulic servo press machine of the device is connect with load cylinder, load cylinder is connect with weighted platform, vertical Force transmission parts are placed in below counterforce device, the long side plate of U-shaped of easy mold release pin-connected panel mold is connect with short side plate by bolt assembly, the anti-swollen rib in side is latticed, it is welded on the outside of the long side plate of U-shaped in parallel, vertical Force transmission parts are laid on top plate, bottom plate is placed on weighted platform；Grid is placed in easy mold release pin-connected panel mold, and vertical Force transmission parts are placed on top board surface designated position.The present invention can be realized the uniform contaminated soil sample preparation of different pollution levels, different compactness and different water cut, meet the detection simulation test requirement of Ground Penetrating Radar method contaminated soil.
Description
Technical field
The present invention relates to Ground Penetrating Radar method contaminated soil detection field, specifically a kind of preparation Ground Penetrating Radar contaminated soil inspection
Survey the device and preparation method of simulation test soil sample.
Background technique
In recent years, the economy of China obtains high speed development, but with the various activities of the mankind, make harmful substance constantly into
Enter soil, soil contamination problem is got worse.If the crops such as planting vegetable, corn and rice on contaminated ground, will be right
Human health causes high risks.Therefore, it is necessary to carry out a wide range of soil pollution detection and renovation by persistence.
What the detection of soil pollution at present generallyd use is chemical detection method, such methods not only higher cost, examined
The case where journey is time-consuming, and the sample acquired can only represent its near zone, when Polluted area is excessive or contaminated area sampling environment
When complicated, the acquisition of sample becomes very difficult.Ground Penetrating Radar (GPR) is to utilize electromagnetic wave detection underground medium attribute and distribution
Geophysical method, easy to carry and operation, detection process is fast, is very suitable to large-scale subsurface investigation work, in recent years
Ground Penetrating Radar obtains extensive concern in contaminated soil context of detection.
Since pollutant can change the electrical parameter of underground medium, and to will lead to Ground Penetrating Radar anti-for electrical parameter variation
Ejected wave feature changes, this is the theoretical basis that contaminated soil detection is carried out using Ground Penetrating Radar.To realize pollution level
Qualitative and quantitative analysis, then the relationship mould that must carry out a large amount of simulation tests to establish between contaminated soil and Gpr Signal
Type.Simulation test should include the test soil sample of different pollution levels, different compactness and different water cut, while test soil
Sample ruler cun should meet Ground Penetrating Radar back wave and direct wave separation and not by boundary reflections affect.However, there is presently no
The relevant experimental rig for being able to satisfy Ground Penetrating Radar contaminated soil detection simulation test soil sample.
Summary of the invention
In view of the above problems, the present invention provides a kind of dresses for preparing Ground Penetrating Radar contaminated soil detection simulation test soil sample
It sets and preparation method, the large volume contaminated soil that can prepare different pollution levels, different compactness and different water cut tries
Sample.
The technical scheme adopted by the invention is that: a kind of dress preparing Ground Penetrating Radar contaminated soil detection simulation test soil sample
It sets, including electro-hydraulic servo press machine, easy mold release pin-connected panel mold, grid and vertical Force transmission parts, specific structure and connection relationship
Are as follows:
The electro-hydraulic servo press machine includes control system, weighted platform, load cylinder and counterforce device, control system with
Load cylinder connection, load cylinder are connect with weighted platform, and vertical Force transmission parts are placed in below counterforce device,
The easy mold release pin-connected panel mold include top plate and bottom plate, the long side plate of U-shaped, short side plate, anti-side is swollen rib, bolt and
Handle, the long side plate of the U-shaped are connect with short side plate by bolt assembly, the anti-swollen rib in side be it is latticed, it is long to be welded on U-shaped in parallel
Vertical Force transmission parts are laid on top plate in the outside of side plate, and bottom plate is placed on weighted platform, and grid is placed on easy mold release assembly
In formula mold, the vertical Force transmission parts are made of the high rigidities test blocks such as several, and vertical Force transmission parts are placed on top board surface and refer to
Positioning is set；
The grid forms multiple isometric units, height of grid and easy mold release by smooth hard sheet metal is arranged in parallel at equal intervals
Pin-connected panel mould height is consistent；
The top plate is equipped with handle；
The long side plate of the top plate and bottom plate, U-shaped, short side plate are made of 2cm thickness stainless steel；
The vertical Force transmission parts are made of at least high rigidities test blocks such as 4 pieces；
Every one side at least four of bolt that the long side plate is connect with short side plate by bolt assembly.
The device and preparation method of the preparation Ground Penetrating Radar contaminated soil detection simulation test soil sample, including walk as follows
It is rapid:
(1) different pollution levels are equipped with according to the purpose of Ground Penetrating Radar method contaminated soil detection simulation test, difference contains
The contaminated soil of water rate；
(2) the assembled easy mold release pin-connected panel mold on electro-hydraulic servo press machine weighted platform, is put into grid, in each grid etc.
The contaminated soil that equivalent has had been provided with is put into elementary volume, volume element, wherein the contaminated soil weight being put into is according to soil required for test
Sample height and compactness calculate；
(3) grid is extracted, the top plate of easy mold release pin-connected panel mold is loaded onto, the high rigidities such as puts in top board surface designated position
Test block；
(4) start electro-hydraulic servo press machine, weighted platform is moved to designated position, load cylinder shift value is set, with
Displacement control mode load is held time at least 30 seconds after being loaded onto setting displacement；
(5) electro-hydraulic servo press machine is unloaded, easy mold release pin-connected panel mold and the sample prepared is hoisted to simulation examination
Position is tested, easy mold release pin-connected panel mold is removed.
Of the invention has the prominent advantages that:
1, electro-hydraulic servo press machine Bit andits control loading mode can accurately control contaminated soil specimen height after compression；
2, easy mold release pin-connected panel mold has enough rigidity, guarantees that soil sample load compression process latus inframedium deflection is minimum；
3, contaminated soil equal part to be compressed in easy mold release pin-connected panel mold is guaranteed final preparation soil sample each position by grid
Compactness is uniform, realizes the large volume test preparation of soil sample of different pollution levels, different compactness and different water cut, and
The uniformity is met the requirements；
4, Ground Penetrating Radar back wave and straight is able to satisfy using the large volume test soil sample size of preparation of soil sample device preparation
Up to wavelength-division from and not by boundary reflections affect test requirements document, while having that structure is simple, it is easy to operate, control precision Gao Te
Point.
Detailed description of the invention
Fig. 1 is the structural representation for the device that preparation Ground Penetrating Radar contaminated soil of the present invention detects simulation test soil sample
Figure.
Fig. 2 is the electro-hydraulic servo for the device that preparation Ground Penetrating Radar contaminated soil of the present invention detects simulation test soil sample
Press machine schematic diagram.
Fig. 3 is that the easy mold release for the device that preparation Ground Penetrating Radar contaminated soil of the present invention detects simulation test soil sample is spelled
Dress formula mold schematic diagram.
Fig. 4 is the grid signal for the device that preparation Ground Penetrating Radar contaminated soil of the present invention detects simulation test soil sample
Figure.
Fig. 5 is the vertical power transmission for the device that preparation Ground Penetrating Radar contaminated soil of the present invention detects simulation test soil sample
Component schematic diagram.
In the figure, it is marked as counterforce device 1, control system 2, load cylinder 3, the long side plate 6 of weighted platform 4, bottom plate 5, U-shaped,
Anti- side is swollen rib 7, bolt 8, short side plate 9, top plate 10, etc. high rigidities test block 11, handle 12, short smooth hard sheet metal 13, length it is smooth
Hard sheet metal 14.
Specific embodiment
Technical solution of the present invention is described in further detail with reference to the accompanying drawings and examples, but is not used to limit
The present invention.
As shown in Figures 1 to 5, the dress of preparation Ground Penetrating Radar contaminated soil detection simulation test soil sample of the present invention
It sets, including electro-hydraulic servo press machine, easy mold release pin-connected panel mold, grid and vertical Force transmission parts.Specific structure and connection relationship
Are as follows:
The electro-hydraulic servo press machine includes counterforce device 1, control system 2, load cylinder 3 and weighted platform 4, control
System 2 is connect with load cylinder 3, and load cylinder 3 is connect with weighted platform 4, and counterforce device 1 is located above vertical Force transmission parts；
The easy mold release pin-connected panel mold includes bottom plate 5, the long side plate 6 of U-shaped, anti-side is swollen rib 7, bolt 8, short side plate 9, top
Plate 10 and the long side plate 6 of handle 12, the U-shaped are connect with short side plate 9 by the way that bolt 8 is assembled, and the long side of the anti-swollen rib 7 in side is welded in parallel
It connects and lays vertical Force transmission parts on the outside of the long side plate 6 of U-shaped, top plate 10, top plate 10 is equipped with handle 12, and bottom plate 5 is placed
On weighted platform 4；
The grid includes short smooth hard sheet metal 13, long smooth hard sheet metal 14, and grid is placed on easy mold release pin-connected panel mold
It is interior；
The vertical Force transmission parts include the high rigidities test blocks 11 such as 4 pieces, etc. high rigidities test block 11 be placed on 10 surface of top plate
On designated position；
The electro-hydraulic servo press machine model YAW-10000J type hydraulic press machine；
In a rectangular parallelepiped shape, the anti-swollen rib 7 in side is latticed to the easy mold release pin-connected panel mold；
Bottom plate 5, the U-shaped of the easy mold release pin-connected panel mold long side plate 6, top plate 10, are 2cm thickness stainless steel at short side plate 9
System；
The length and width of the bottom plate 5, thickness are 1000mm × 500mm × 20mm；
The long side plate 6 of U-shaped is composed of 1 block of web and 2 blocks of wing plates, the length and width of median ventral plate, thickness be 960mm ×
300mm × 20mm, the length and width of wing plate, thickness are 300mm × 120mm × 20mm；
The swollen rib 7 in anti-side be it is latticed, be welded on the outside of the long side plate of U-shaped in parallel, grid is rectangle, single net
For lattice inner edge having a size of 225mm × 40mm, number of grid is 8, and the thickness of the anti-swollen rib 7 in side is 20mm；
The length and width of the short side plate 9, thickness are 700mm × 300mm × 20mm；
The length and width of the top plate 10, thickness are 1000mm × 500mm × 20mm,
The long side plate 6 of U-shaped is connect with short side plate 9 by the way that bolt 8 is assembled, diameter of bolt 20mm, model M20, often
One connection side Number of Bolts is 4；
As shown in figure 4, the grid 3 forms 8 by the 3 pieces short smooth long smooth arrangement of hard sheet metal 14 of hard sheet metal 13 and 1 piece
Isometric unit；The length and width of the short smooth hard sheet metal 13, thickness are 500mm × 300mm × 2mm；The smooth hard sheet metal 14 of length
Length and width, thickness be 1000mm × 300mm × 2mm；
As shown in figure 5, the vertical Force transmission parts are made of the high rigidities test blocks 11 such as 4 pieces, the high rigidities test block 11 such as described
To be I-shaped, the length of web is 60mm × 40mm × 150mm, the length of wing plates on two sides be 200mm ×
30mm × 150mm, material are cast iron；
The test preparation of soil sample of the device of preparation Ground Penetrating Radar contaminated soil detection simulation test soil sample of the present invention
Method includes the following steps:
(1) different pollution levels are equipped with according to the purpose of Ground Penetrating Radar method contaminated soil detection simulation test, difference contains
The contaminated soil of water rate；
(2) the assembled easy mold release pin-connected panel mold on electro-hydraulic servo press machine weighted platform 4, is put into grid, in each grid
It is put into the contaminated soil that equivalent has had been provided in isometric unit, wherein the contaminated soil weight being put into is according to required for test
Soil sample height and compactness calculate；
(3) grid is extracted, the top plate 10 of easy mold release pin-connected panel mold is loaded onto, is put in top board surface designated position contour rigid
Property test block 11；
(4) start electro-hydraulic servo press machine, weighted platform 4 be moved to designated position, 3 shift value of load cylinder is set,
It is loaded with displacement control mode, is held time at least 30 seconds after being loaded onto setting displacement；
(5) electro-hydraulic servo press machine is unloaded, easy mold release pin-connected panel mold and the sample prepared is hoisted to simulation examination
Position is tested, easy mold release pin-connected panel mold is removed.
Claims (7)
1. a kind of device for preparing Ground Penetrating Radar contaminated soil detection simulation test soil sample, including it is electro-hydraulic servo press machine, easily de-
Mould pin-connected panel mold, grid and vertical Force transmission parts, which is characterized in that specific structure and connection relationship are as follows:
The electro-hydraulic servo press machine includes control system, weighted platform, load cylinder and counterforce device, control system and load
Oil cylinder connection, load cylinder are connect with weighted platform, and vertical Force transmission parts are placed in below counterforce device,
The easy mold release pin-connected panel mold include top plate and bottom plate, the long side plate of U-shaped, short side plate, anti-side is swollen rib, bolt and handle,
The long side plate of U-shaped is connect with short side plate by bolt assembly, the anti-swollen rib in side be it is latticed, be welded on the long side plate of U-shaped in parallel
Outside, lay vertical Force transmission parts on top plate, bottom plate is placed on weighted platform, and grid is placed on easy mold release pin-connected panel mould
In tool, the vertical Force transmission parts are made of the high rigidities test blocks such as several, and vertical Force transmission parts are placed on top board surface specific bit
It sets.
2. the device of preparation Ground Penetrating Radar contaminated soil detection simulation test soil sample according to claim 1, feature exist
In the grid forms multiple isometric units by smooth hard sheet metal is arranged in parallel at equal intervals, and height of grid and easy mold release are assembled
Formula mould height is consistent.
3. the device of preparation Ground Penetrating Radar contaminated soil detection simulation test soil sample according to claim 1, feature exist
In the top plate is equipped with handle.
4. the device of preparation Ground Penetrating Radar contaminated soil detection simulation test soil sample according to claim 1, feature exist
In the long side plate of the top plate and bottom plate, U-shaped, short side plate are made of 2cm thickness stainless steel.
5. the device of preparation Ground Penetrating Radar contaminated soil detection simulation test soil sample according to claim 1, feature exist
In the vertical Force transmission parts are made of at least high rigidities test blocks such as 4 pieces.
6. the device of preparation Ground Penetrating Radar contaminated soil detection simulation test soil sample according to claim 1, feature exist
In every one side at least four of bolt that the long side plate of U-shaped is connect with short side plate by bolt assembly.
7. the preparation method of the device of preparation Ground Penetrating Radar contaminated soil detection simulation test soil sample described in claim 1,
It is characterized in that, includes the following steps:
(1) purpose of simulation test is detected according to Ground Penetrating Radar method contaminated soil to be equipped with different pollution levels, different water cut
Contaminated soil；
(2) the assembled easy mold release pin-connected panel mold on electro-hydraulic servo press machine weighted platform, is put into grid, isometric in each grid
The contaminated soil that equivalent has had been provided with is put into unit, wherein the contaminated soil weight being put into is high according to soil sample required for testing
Degree and compactness calculate；
(3) grid is extracted, the top plate of easy mold release pin-connected panel mold is loaded onto, the high rigidities examination such as puts in top board surface designated position
Block；
(4) start electro-hydraulic servo press machine, weighted platform is moved to designated position, load cylinder shift value is set, with displacement
Control model load is held time at least 30 seconds after being loaded onto setting displacement；
(5) electro-hydraulic servo press machine is unloaded, easy mold release pin-connected panel mold and the sample prepared is hoisted to simulation test position
It sets, removes easy mold release pin-connected panel mold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811098170.2A CN109085039B (en) | 2018-09-20 | 2018-09-20 | Device and method for preparing soil sample for ground penetrating radar polluted soil detection simulation test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811098170.2A CN109085039B (en) | 2018-09-20 | 2018-09-20 | Device and method for preparing soil sample for ground penetrating radar polluted soil detection simulation test |
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| CN109085039A true CN109085039A (en) | 2018-12-25 |
| CN109085039B CN109085039B (en) | 2024-04-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109708942A (en) * | 2019-02-26 | 2019-05-03 | 上海大学 | The mold and forming method of high throughput component screening can be achieved |
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