CN206378448U - Polluted Soil detection arrangement of measuring-line structure based on comprehensive geophysical prospecting methods - Google Patents
Polluted Soil detection arrangement of measuring-line structure based on comprehensive geophysical prospecting methods Download PDFInfo
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- CN206378448U CN206378448U CN201621433655.9U CN201621433655U CN206378448U CN 206378448 U CN206378448 U CN 206378448U CN 201621433655 U CN201621433655 U CN 201621433655U CN 206378448 U CN206378448 U CN 206378448U
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- 238000001514 detection method Methods 0.000 title claims abstract description 61
- 239000002689 soil Substances 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 28
- 239000003344 environmental pollutant Substances 0.000 claims description 9
- 231100000719 pollutant Toxicity 0.000 claims description 9
- 238000012360 testing method Methods 0.000 abstract description 6
- 230000037237 body shape Effects 0.000 abstract description 2
- 238000004458 analytical method Methods 0.000 description 6
- 230000000875 corresponding effect Effects 0.000 description 4
- 238000011835 investigation Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000003317 industrial substance Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 241000894007 species Species 0.000 description 1
Abstract
The utility model is specifically related to a kind of Polluted Soil detection arrangement of measuring-line structure based on comprehensive geophysical prospecting methods, it is characterised in that:The detection arrangement of measuring-line structure includes some geological radar surveys line being arranged in the Polluted area, high-density resistivity survey line and resistivity CT surveys line, and the end of the end of the geological radar survey line, the end of the high-density resistivity survey line and the resistivity CT surveys line is extended in the uncontaminated region of the Polluted area periphery.The utility model has the advantages that:Collection period is shorter, input cost is relatively low, operating efficiency greatly improved, and testing result is combined synthetic determination for a variety of geophysical prospecting methods and obtained, and is presented with planar or body shape form, is compared to single detection method, the testing result degree of accuracy is higher.
Description
Technical field
The utility model is related to rock and soil engineering detection and testing field, and in particular to a kind of dirt based on comprehensive geophysical prospecting methods
Dye soil detection arrangement of measuring-line structure.
Background technology
Manufacturing industry scale constantly expands now, and the level of urbanization is improved constantly, and social economy is flourished.But
In scientific and technological level development, while living standards of the people are improved, environmental pollution is but increasingly serious, is caused seriously to the ecosystem
Destruction, have impact on the quality of life of the mankind, healthy and life activity, and cause a series of social concern, make
About expanding economy;In major pollution problems, the problem of land pollution also turns into more severe, wherein occur it is most,
The maximum species of harm have heavy metal, petroleum hydrocarbon, persistence organic pollutant, other industrial chemicals, eutrophic discarded object,
Radioactive element and pathogenic organisms etc., for contaminated soil and place, it is necessary to be visited using detection technique to contaminated area
Survey makes A+E immediately, has reached easily assessment, the purpose administered and developed again.
Current Domestic is still more single on the detection technique means of Polluted Soil, relies primarily on the progress of boring and coring sample
Lab analysis determines the pollution level and approximate range of Polluted Soil, however, the method for drill hole sampling analysis is only capable of embodying single
The Polluted Soil information of point position, collection, analytical cycle are longer, and cost is higher, and limited amount, without representativeness, has with point
The suspicion in general face.At present, some units also carry out the detection of pollutant using single geophysical prospecting method, but due to geophysical prospecting method
Indirect and multi-solution, are limited to detection scene various disturbing factors that may be present, and the detection of single geophysical prospecting method may be deposited
In certain error.
The content of the invention
The purpose of this utility model is based on comprehensive geophysical prospecting methods according to above-mentioned the deficiencies in the prior art there is provided a kind of
Polluted Soil detects arrangement of measuring-line structure, and the detection arrangement of measuring-line structure is surveyed by using high-density resistivity survey line, resistivity CT
Line and geological radar survey line collection Polluted area and its a variety of state properties in the uncontaminated region of surrounding, are realized in Polluted area
The distribution of pollutant judges.
The utility model purpose is realized and completed by following technical scheme:
A kind of Polluted Soil detection arrangement of measuring-line structure based on comprehensive geophysical prospecting methods, for detecting the pollution in Polluted area
Thing distribution situation, it is characterised in that:The detection arrangement of measuring-line structure includes some geology being arranged in the Polluted area
Radar survey line, high-density resistivity survey line and resistivity CT surveys line, the end of the geological radar survey line, high-density resistivity
The end of survey line and the end of the resistivity CT surveys line are extended in the uncontaminated region of the Polluted area periphery.
Each geological radar survey line is crisscross to distribute as net shape.
Individually be disposed with the geological radar survey line in the uncontaminated region of Polluted area periphery, it is described highly dense
Spend resistivity survey line and the resistivity CT surveys line.
Each high-density resistivity survey line is crisscross to distribute as net shape.
The high-density resistivity survey line includes the cable of some detecting electrodes and each detecting electrode of connection, institute
State detecting electrode to be vertically inserted in soil, the spacing between the adjacent detecting electrode is 0.2-2.0m.
Each resistivity CT surveys line are crisscross to distribute as net shape.
The resistivity CT surveys line include some detection holes being spaced apart along a straight line and are arranged at the detection hole
In detecting electrode string, the detecting electrode string include some detecting electrodes for being vertically spaced apart and successively will it is each described in
The cable of detecting electrode connection.
Spacing between the detecting electrode is 0.2-1.0m.
Pitch of holes between the detection hole is less than the 1/2 of the detection hole depth.
Each geological radar survey line, high-density resistivity survey line and resistivity CT surveys line are overlapped on plan-position.
Advantage of the present utility model is:Collection period is shorter, input cost is relatively low, operating efficiency greatly improved, and
Collection result is combined synthetic determination for a variety of geophysical prospecting methods and obtained, and is presented with planar or body shape form, is compared to single
Detection method, the testing result degree of accuracy is higher.
Brief description of the drawings
Fig. 1 detects arrangement of measuring-line structural representation for the Polluted Soil of the utility model comprehensive geophysical prospecting methods;
Fig. 2 is the high-density resistivity arrangement of measuring-line structural representation in the present embodiment;
Fig. 3 is the resistivity CT arrangement of measuring-line structural representations in the present embodiment;
Fig. 4 is the geological radar arrangement of measuring-line structural representation in the present embodiment.
Embodiment
The utility model feature and other correlated characteristics are described in further detail by embodiment below in conjunction with accompanying drawing,
In order to the understanding of technical staff of the same trade:
As Figure 1-4, mark 1-7 is respectively in figure:High-density resistivity survey line 1, resistivity CT surveys line 2, geology thunder
Up to survey line 3, detecting electrode 4, detection hole 5, uncontaminated region 6, Polluted area 7.
Embodiment:As Figure 1-4, the present embodiment is specifically related to a kind of Polluted Soil detection survey based on comprehensive geophysical prospecting methods
Line arrangement, by the Polluted area 7 to be measured and high-density resistivity survey line 1, resistivity are arranged in peripheral uncontaminated region 6
CT surveys line 2 and geological radar survey line 3, judge the detection that Polluted Soil in Polluted area 7 is distributed so as to realize.Examined in the present embodiment
The arrangement for surveying survey line is specific as follows:
First, the high-density resistivity survey line 1 in region to be measured
As shown in Figure 1-2, in Polluted area 7 to be measured arrangement high-density resistivity survey line 1, the knot of high-density resistivity survey line 1
Structure includes some detecting electrodes 4, cable, and each detecting electrode 4 connects and composes a high-density resistivity survey line by cable
1;In Polluted area 7 to be measured(In circle)Some high-density resistivity surveys line 1 are laid with crisscross lattice-shaped, and it is some
The two ends of high-density resistivity survey line 1 are extended in the uncontaminated region 6 of periphery(Circle is outer);In uncontaminated area 6(Circle is outer)Arrangement
Four high-density resistivity surveys line 1, to by the resistivity anomaly value of Polluted area 7 in resistivity measurement result can with it is uncontaminated
The normal resistance rate background value in region 6 is compared, so as to judge the actual exact extension of Polluted area 7.
As shown in Fig. 2 the length of every high-density resistivity survey line 1 and the number of detecting electrode 4 are according in Polluted area 1
The precision for estimating depth and detection of pollutant distribution carry out choosing comprehensively determination, it is generally the case that detecting electrode away from for
0.2m-2.0m or so, meets that spacing between the requirement of detection accuracy, detecting electrode 4 is smaller, detection accuracy is higher, in detection
Under conditions of the number of electrode 4 is certain, the length of high-density resistivity survey line 1 is longer, investigation depth is bigger, but precision is also lower.
Generally, survey line length should be 6 times of pollutant depth or so.Pollutant distribution is estimated in the present embodiment in the 5 of soil
Rice depth, the length of arrangement high-density resistivity survey line 1 is 30 meters, and from 60 detecting electrodes 4, electrode spacing is 0.5m.
The distance of soil to be measured is demarcated in this implementation process using tape measure, 60 detecting electrodes 4 are equidistantly inserted by 0.5m
In the soil in the uncontaminated region 6 for entering Polluted area 7 and periphery, when needs are in the nothing in Polluted area 7 to be measured or uncontaminated region 6
In the area of soil domain arrange detecting electrode 4, then by outputed in without soil region corresponding hole site for insertion detecting electrode 4, or
Person by neighbouring soil be placed on arrangement of measuring-line direction along for placing the insertion of detecting electrode 4, some detecting electrodes 4 insert
Angle and depth in soil are consistent, and detecting electrode 4 is inserted perpendicularly into.
Before collecting work is carried out, the place that can be combined in detecting electrode 4 with soil pours into electrolyte, to increase leading for soil
Electrical property, improves grounding requirement.
As shown in Fig. 2 after some high-density resistivity surveys line 1 are deployed, gathered data simultaneously carries out data processing, according to
The operation of high-density resistivity acquisition instrument requires the resistivity number between each detecting electrode 4 on collection high-density resistivity survey line 1
According to after the data acquisition of one group of survey line 4 is complete, the number of remaining all high-density resistivity surveys line 1 is gathered in an identical manner
According to;Above-mentioned collection result with planar form present, that is, express constituted respectively with every high-density resistivity survey line 1 it is corresponding
The resistivity of the section of Polluted area 7, it is more representative, and if multiple sections intersect presence, such as the present embodiment figure simultaneously
1st, 2 crisscross lattice-shaped is shown, just some crossing sections can be combined analysis, so as to judge pollutant on ground
Under distributed in three dimensions situation.
The resistivity data that high-density resistivity survey line 1 is collected obtains height after related software inversion procedure
The resistivity profile in Polluted area 7 corresponding to the position of density resistance rate survey line 1, is explained point on this section
Analysis.
2nd, the resistivity CT surveys line 2 in region to be measured
As shown in Figure 1, Figure 3, arrangement resistivity CT surveys line 2, the survey line structure includes some being spaced apart along a straight line
Detection hole 5 and the detecting electrode string being arranged in detection hole 5, detecting electrode string include some detections being vertically spaced apart
Electrode and the cable for successively connecting above-mentioned each detecting electrode;The detection hole 5 in the present embodiment to hand in length and breadth as described in Figure 3
Wrong lattice-shaped is arranged among Polluted area 7, keeps continuous alignment between each detection hole 5 on resistivity CT surveys line 2 as far as possible,
And ensureing at least one end of resistivity CT surveys line 2, i.e., at least one detection hole 5 is arranged in uncontaminated region 6(Circle is outer), to incite somebody to action
The resistivity anomaly value of Polluted area 7 and the normal resistance rate background value in uncontaminated region 6 are compared in test result, so that really
Determine the actual exact extension of Polluted area 7.
The hole depth of each detection hole 6 need to be more than maximum investigation depth 5m estimated or so, the pitch of holes of detection hole 6 in this implementation
The 1/2 of the depth of detection hole 6, and no more than 8m need to be less than;Across hole resistivity CT detecting electrode strings are respectively placed in adjacent two
In detection hole 5, in detecting electrode string bottom counterweight to ensure that cable stretches vertically and naturally, the electrode spacing root in detecting electrode string
According to the depth of detection hole 5 may be selected 0.2m, 0.5m or 1.0m, in the case that number of poles is certain in electrode array, electrode spacing it is big
Small to be directly proportional to detection depth, the depth of detection is bigger, then electrode spacing is bigger.
Gather the data of above-mentioned resistivity CT surveys line 2 and carry out data processing, adjacent two are gathered by detecting electrode string
Resistivity data between the hole of individual detection hole 5, after one group of data acquisition is finished, enters to remaining detection hole 5 in the same way
Resistivity data is gathered between row hole, by the resistivity data collected after corresponding software is handled, as shown in figure 3, will be every
Resistivity data is mutually stitched together to form one continuously between the hole for the detection hole 5 continuously arranged on bar resistivity CT surveys line 2
Resistivity profile, carries out interpretive analysis on this section.
3rd, the geological radar survey line 3 in region to be measured
As Figure 1 and Figure 4, arrangement geological radar survey line 3, as shown in figure 4, in Polluted area 7 to be measured(In circle)With vertical
The wrong lattice-shaped of traversed by lays some geological radar surveys line 3, and the two ends of some geological radar surveys line 3 extend to periphery not dirt
Contaminate in region 6, i.e., each geological radar survey line 4 corresponds with foregoing each high-density resistivity survey line 1 and overlaps setting;In addition,
In uncontaminated area 6(Circle is outer)Four geological radar surveys line 4 are arranged, so as to by the electricity of Polluted area 7 in electromagnetic wave field test result
Magnetic wave exceptional value can be compared with the normal electromagnetic wave field background value in uncontaminated region 6, so as to judge the reality of Polluted area 7
Exact extension.
The exploring antenna frequency of every geological radar method survey line 4 need to estimating according to the pollutant distribution in Polluted area 7
Depth and the precision of detection carry out choosing comprehensively determination, and antenna frequencies are higher, detection accuracy is higher, but investigation depth is more shallow, ground
The exploring antenna frequency of matter radar method survey line 4 is lower, investigation depth is bigger, but precision is also lower.
When collecting work is carried out, acquisition mode need to be selected according to site contour situation, such as landform is flatter, can use car
Continuity way is carried, such as hypsography is larger, then need the acquisition mode using point-to-point measurement, and carried out topographic survey, with
Phase topographical correction after an action of the bowels.
The data that three of the above survey line is gathered carry out Treatment Analysis to the complex geophysical prospecting section of Polluted area 7 respectively,
Distribution situation of the pollutant on different geophysical profiles is obtained, and carries out Comprehensive Comparison, so as to obtain more accurate dirt
Contaminate three-dimensional spatial distribution situation under thing.
Claims (10)
1. a kind of Polluted Soil detection arrangement of measuring-line structure based on comprehensive geophysical prospecting methods, for detecting the pollutant in Polluted area
Distribution situation, it is characterised in that:The detection arrangement of measuring-line structure includes some geology thunders being arranged in the Polluted area
Up to survey line, high-density resistivity survey line and resistivity CT surveys line, the end of the geological radar survey line, high-density resistivity are surveyed
The end of line and the end of the resistivity CT surveys line are extended in the uncontaminated region of the Polluted area periphery.
2. a kind of Polluted Soil detection arrangement of measuring-line structure based on comprehensive geophysical prospecting methods according to claim 1, its feature
It is:Each geological radar survey line is crisscross to distribute as net shape.
3. a kind of Polluted Soil detection arrangement of measuring-line structure based on comprehensive geophysical prospecting methods according to claim 1, its feature
It is:The geological radar survey line, the high density are individually disposed with the uncontaminated region of the Polluted area periphery
Resistivity survey line and the resistivity CT surveys line.
4. a kind of Polluted Soil detection arrangement of measuring-line structure based on comprehensive geophysical prospecting methods according to claim 1, its feature
It is:Each high-density resistivity survey line is crisscross to distribute as net shape.
5. a kind of Polluted Soil detection arrangement of measuring-line structure based on comprehensive geophysical prospecting methods according to claim 1 or 4, it is special
Levy and be:The high-density resistivity survey line includes the cable of some detecting electrodes and each detecting electrode of connection, institute
State detecting electrode to be vertically inserted in soil, the spacing between the adjacent detecting electrode is 0.2-2.0m.
6. a kind of Polluted Soil detection arrangement of measuring-line structure based on comprehensive geophysical prospecting methods according to claim 1, its feature
It is:Each resistivity CT surveys line are crisscross to distribute as net shape.
7. a kind of Polluted Soil detection arrangement of measuring-line structure based on comprehensive geophysical prospecting methods according to claim 6, its feature
It is:The resistivity CT surveys line include some detection holes being spaced apart along a straight line and are arranged in the detection hole
Detecting electrode string, the detecting electrode string includes some detecting electrodes being vertically spaced apart and successively by each detection
The cable of electrode connection.
8. a kind of Polluted Soil detection arrangement of measuring-line structure based on comprehensive geophysical prospecting methods according to claim 7, its feature
It is:Spacing between the detecting electrode is 0.2-1.0m.
9. a kind of Polluted Soil detection arrangement of measuring-line structure based on comprehensive geophysical prospecting methods according to claim 7, its feature
It is:Pitch of holes between the detection hole is less than the 1/2 of the detection hole depth.
10. a kind of Polluted Soil detection arrangement of measuring-line structure based on comprehensive geophysical prospecting methods according to claim 1, its feature
It is:Each geological radar survey line, high-density resistivity survey line and resistivity CT surveys line are overlapped on plan-position.
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108287368A (en) * | 2018-03-09 | 2018-07-17 | 上海岩土工程勘察设计研究院有限公司 | Polluted Soil all standing detection method based on complex geophysical prospecting and its arrangement of measuring-line structure |
CN109001822A (en) * | 2018-06-15 | 2018-12-14 | 山东大学 | Vehicle-mounted removable resistivity detection system and working method suitable for urban environment |
CN109001839A (en) * | 2018-06-15 | 2018-12-14 | 山东大学 | A kind of vehicle-mounted Comprehensive Geophysics detection system in city and working method |
CN111173518A (en) * | 2020-01-07 | 2020-05-19 | 上海市基础工程集团有限公司 | Method for detecting holes and water leakage in soil body reinforcing area of shield tunnel portal |
CN115420778A (en) * | 2022-09-02 | 2022-12-02 | 北京建工环境修复股份有限公司 | Method and system for quickly investigating and positioning shallow soil pollution |
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2016
- 2016-12-26 CN CN201621433655.9U patent/CN206378448U/en active Active
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108287368A (en) * | 2018-03-09 | 2018-07-17 | 上海岩土工程勘察设计研究院有限公司 | Polluted Soil all standing detection method based on complex geophysical prospecting and its arrangement of measuring-line structure |
CN109001822A (en) * | 2018-06-15 | 2018-12-14 | 山东大学 | Vehicle-mounted removable resistivity detection system and working method suitable for urban environment |
CN109001839A (en) * | 2018-06-15 | 2018-12-14 | 山东大学 | A kind of vehicle-mounted Comprehensive Geophysics detection system in city and working method |
CN111173518A (en) * | 2020-01-07 | 2020-05-19 | 上海市基础工程集团有限公司 | Method for detecting holes and water leakage in soil body reinforcing area of shield tunnel portal |
CN115420778A (en) * | 2022-09-02 | 2022-12-02 | 北京建工环境修复股份有限公司 | Method and system for quickly investigating and positioning shallow soil pollution |
CN115420778B (en) * | 2022-09-02 | 2023-11-03 | 北京建工环境修复股份有限公司 | Quick investigation and positioning method and system for shallow soil pollution |
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Address after: 200032 18, building 681, Xiao Mu Qiao Road, Xuhui District, Shanghai. Patentee after: Shanghai Survey, Design and Research Institute (Group) Co.,Ltd. Country or region after: China Address before: 200032 18, building 681, Xiao Mu Qiao Road, Xuhui District, Shanghai. Patentee before: SHANGHAI GEOTECHNICAL INVESTIGATIONS & DESIGN INSTITUTE Co.,Ltd. Country or region before: China |
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