CN108480373A - A kind of contaminated sites source blocking method - Google Patents
A kind of contaminated sites source blocking method Download PDFInfo
- Publication number
- CN108480373A CN108480373A CN201810256628.6A CN201810256628A CN108480373A CN 108480373 A CN108480373 A CN 108480373A CN 201810256628 A CN201810256628 A CN 201810256628A CN 108480373 A CN108480373 A CN 108480373A
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- contaminated
- earth
- vertical divider
- surface level
- barrier
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/002—Reclamation of contaminated soil involving in-situ ground water treatment
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/002—Ground foundation measures for protecting the soil or subsoil water, e.g. preventing or counteracting oil pollution
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C2101/00—In situ
Abstract
The present invention relates to a kind of contaminated sites source blocking methods.The invention belongs to technical field of soil remediation.A kind of contaminated sites source blocking method, its main feature is that：Contaminated sites source blocking method includes the barrier of earth's surface level and vertical divider, and contaminated sites source obstructs step：1) contaminated site boundary is determined：The boundary for determining contaminated site is measured using measuring apparatus；2) vertical divider is set：At contaminated site outside boundaries 4m 10m, vertical divider is set；3) setting earth's surface level obstructs：Earth's surface level is arranged in the range of vertical divider is drawn a circle to approve to obstruct.The present invention can be used for the medium-term and long-term risk management and control in organic contamination place, heavy metal pollution place and combined pollution place.The present invention has many advantages, such as easy to operate, simple and practical, technically reliable, is easy to engineering implementation.
Description
Technical field
The invention belongs to technical field of soil remediation, more particularly to a kind of contaminated sites source blocking method.
Background technology
Currently, with city layout adjustment and industrial structure upgrading, a large amount of chemical industry, oil, plastics, coking, thermoelectricity, steel
Iron is electroplated, the resettlement of the polluted enterprises such as lattice processed, nonferrous smelting or shuts down, and leaves a large amount of contaminated site.Weight in contaminated site
Metal or organic pollution are to soil, Groundwater formation long-term pollution, great threat human health.Contaminated site reparation has become
The hot issue of environmental protection industry (epi).
However, because contaminated sites depth is big, geographical environment is special etc., reasons, partial contamination place can not implement in a short time
Reparation up to standard need to use risk management and control method to block the contaminant transportation in place or volatilization approach, be spread to avoid pollutant.
The technical matters of traditional contaminated site risk management and control is complicated, and engineering construction is difficult, the technical problems such as risk management and control risk height.
Invention content
The present invention provides a kind of contaminated sites source blocking method to solve technical problem present in known technology.
The object of the present invention is to provide one kind having easy to operate, simple and practical, technically reliable, is easy to engineering implements,
The place for the features such as can be used for the medium-term and long-term risk management and control in organic contamination place, heavy metal pollution place and combined pollution place is dirty
Dye source blocking method.
A kind of technology requirement of the present invention for contaminated site risk management and control, it is proposed that risk management and control method.It can be used for having
Machine contaminated site, heavy metal pollution place and the medium-term and long-term risk management and control in combined pollution place have important environmental protection and society
Meaning.
Contaminated sites source of the present invention blocking method is adopted the technical scheme that：
A kind of contaminated sites source blocking method, its main feature is that：Contaminated sites source blocking method include earth's surface level barrier and
Vertical divider, contaminated sites source obstruct step：
1) contaminated site boundary is determined：The boundary for determining contaminated site is measured using measuring apparatus；
2) vertical divider is set：At contaminated site outside boundaries 4m-10m, vertical divider is set；
3) setting earth's surface level obstructs：Earth's surface level is arranged in the range of vertical divider is drawn a circle to approve to obstruct.
Contaminated sites source of the present invention blocking method can also adopt the following technical scheme that：
The contaminated sites source blocking method, its main feature is that：Vertical divider is cement mixing pile water stopping curtain, and cement stirs
It mixes and is drilled into below contaminated soil 1.5m-4m below water barrier top plate under stake, the thickness of vertical divider is 0.3m-1.5m, vertical to hinder
Every infiltration coefficient be 10-8cm/s-10-6cm/s。
The contaminated sites source blocking method, its main feature is that：The barrier of earth's surface level is concrete coating or clay pressure
The thickness of real coating, the barrier of earth's surface level is 20cm-80cm, and the infiltration coefficient of earth's surface level barrier is 10-8cm/s-10- 6cm/s。
The invention has the advantages and positive effects that：
Contaminated sites source blocking method is as a result of the completely new technical solution of the present invention, compared with prior art, this hair
Bright easy to operate, simple and practical, technically reliable is easy to engineering implementation, can be used for organic contamination place, heavy metal pollution place
With the medium-term and long-term risk management and control in combined pollution place, there is important environmental protection and social effect.
Description of the drawings
Fig. 1 is the schematic diagram of contaminated sites source of the present invention blocking method.
In figure, the barrier of 1- earth's surface levels, 2- contaminated soils, the water-bearing layers 3-, 4- water barrier top plates, 5- water barriers, 6-
Vertical divider, 7- vertical dividers.
Specific implementation mode
In order to further understand the content, features and effects of the present invention, the following examples are hereby given, and coordinate attached drawing
Detailed description are as follows：
A kind of contaminated sites source blocking method, including the horizontal blocker unit of earth's surface and vertical divider unit, contaminated sites source
Obstruct step：1) contaminated site boundary is determined：The boundary for determining contaminated site is measured using measuring apparatus；2) the vertical resistance of setting
Every：At contaminated site outside boundaries 4m-10m, vertical divider is set；3) setting earth's surface level obstructs：It is drawn a circle to approve in vertical divider
In the range of setting earth's surface level obstruct.With reference to attached drawing 1.
Embodiment 1
A kind of contaminated sites source blocking method, including the horizontal blocker unit of earth's surface and vertical divider.Using total station survey
The vertical resistance of cement mixing pile water stopping curtain form is arranged at contaminated site outside boundaries 4m in the boundary for determining contaminated site
Every the stake bottom of cement mixing pile is located at below contaminated soil 1.5m below water barrier top plate, and the thickness of vertical divider is 0.3m, is hung down
The infiltration coefficient directly obstructed is 10-6cm/s；In the range of vertical divider is drawn a circle to approve, setting thickness be 20cm, infiltration coefficient 10-6The earth's surface level of the concrete coating form of cm/s obstructs.By the way that vertical divider and the barrier of earth's surface level is arranged, successfully keep away
Exempted from contaminated site pollution sources diffusion, avoid soil and groundwater pollution range expand, improve periphery air,
Water body and soil quality.
Embodiment 2
A kind of contaminated sites source blocking method, including the horizontal blocker unit of earth's surface and vertical divider.Using total station survey
The vertical resistance of cement mixing pile water stopping curtain form is arranged at contaminated site outside boundaries 10m in the boundary for determining contaminated site
Every the stake bottom of cement mixing pile is located at below contaminated soil 4m below water barrier top plate, and the thickness of vertical divider is 1.5m, vertically
The infiltration coefficient of barrier is 10-8cm/s；In the range of vertical divider is drawn a circle to approve, setting thickness be 80cm, infiltration coefficient 10- 8The earth's surface level barrier of the clay compacting cover sheet form of cm/s.By the way that vertical divider and the barrier of earth's surface level is arranged, successfully
The pollution sources diffusion in contaminated site is avoided, the pollution range for avoiding soil and groundwater expands, and improves the big of periphery
Gas and water body and soil quality.
Embodiment 3
A kind of contaminated sites source blocking method, including the horizontal blocker unit of earth's surface and vertical divider.Using total station survey
The vertical resistance of cement mixing pile water stopping curtain form is arranged at contaminated site outside boundaries 6m in the boundary for determining contaminated site
Every the stake bottom of cement mixing pile is located at below contaminated soil 2m below water barrier top plate, and the thickness of vertical divider is 0.5m, vertically
The infiltration coefficient of barrier is 10-7cm/s；In the range of vertical divider is drawn a circle to approve, setting thickness is 50cm, infiltration coefficient be 5.4 ×
10-8The earth's surface level barrier of the clay compacting cover sheet form of cm/s.By the way that vertical divider and the barrier of earth's surface level, success is arranged
Ground avoids the diffusion of the pollution sources in contaminated site, and the pollution range for avoiding soil and groundwater expands, and improves periphery
Air, water body and soil quality.
Embodiment 4
A kind of contaminated sites source blocking method, including the horizontal blocker unit of earth's surface and vertical divider.Using total station survey
The vertical resistance of cement mixing pile water stopping curtain form is arranged at contaminated site outside boundaries 8m in the boundary for determining contaminated site
Every the stake bottom of cement mixing pile is located at below contaminated soil 3m below water barrier top plate, and the thickness of vertical divider is 0.8m, vertically
The infiltration coefficient of barrier is 2.7 × 10-7cm/s；In the range of vertical divider is drawn a circle to approve, setting thickness is 70cm, infiltration coefficient is
8.2×10-8The earth's surface level of the concrete coating form of cm/s obstructs.By the way that vertical divider and the barrier of earth's surface level is arranged,
The pollution sources diffusion in contaminated site is successfully avoided, the pollution range for avoiding soil and groundwater expands, and improves week
Air, water body and the soil quality on side.
Embodiment 5
A kind of contaminated sites source blocking method, including the horizontal blocker unit of earth's surface and vertical divider.Using total station survey
The vertical of cement mixing pile water stopping curtain form is arranged at contaminated site outside boundaries 5.5m in the boundary for determining contaminated site
The stake bottom of barrier, cement mixing pile is located at below contaminated soil 2.5m below water barrier top plate, and the thickness of vertical divider is 1.2m,
The infiltration coefficient of vertical divider is 5.6 × 10-7cm/s；In the range of vertical divider is drawn a circle to approve, setting thickness is 30cm, infiltration is
Number is 8.2 × 10-7The earth's surface level of the concrete coating form of cm/s obstructs.By the way that vertical divider and the resistance of earth's surface level is arranged
Every the pollution sources successfully avoided in contaminated site are spread, and the pollution range for avoiding soil and groundwater expands, and improves
Air, water body and the soil quality on periphery.
Embodiment 6
A kind of contaminated sites source blocking method, including the horizontal blocker unit of earth's surface and vertical divider.Using total station survey
The vertical of cement mixing pile water stopping curtain form is arranged at contaminated site outside boundaries 7.5m in the boundary for determining contaminated site
The stake bottom of barrier, cement mixing pile is located at below contaminated soil 3.5m below water barrier top plate, and the thickness of vertical divider is 1.0m,
The infiltration coefficient of vertical divider is 9.6 × 10-8cm/s；In the range of vertical divider is drawn a circle to approve, setting thickness is 60cm, infiltration is
Number is 8.2 × 10-8The earth's surface level barrier of the clay compacting cover sheet form of cm/s.It is horizontal by the way that vertical divider and earth's surface is arranged
Barrier, successfully avoids the pollution sources diffusion in contaminated site, and the pollution range for avoiding soil and groundwater expands, improves
The air on periphery, water body and soil quality.
The present embodiment, which has described easy to operate, the simple and practical, technically reliable, is easy to engineering implements, and can be used for having
The good effects such as machine contaminated site, heavy metal pollution place and the medium-term and long-term risk management and control in combined pollution place.
Claims (3)
1. a kind of contaminated sites source blocking method, it is characterized in that：Contaminated sites source blocking method includes the barrier of earth's surface level and hangs down
Straight barrier, contaminated sites source obstruct step：
1) contaminated site boundary is determined：The boundary for determining contaminated site is measured using measuring apparatus；
2) vertical divider is set：At contaminated site outside boundaries 4m-10m, vertical divider is set；
3) setting earth's surface level obstructs：Earth's surface level is arranged in the range of vertical divider is drawn a circle to approve to obstruct.
2. contaminated sites source according to claim 1 blocking method, it is characterized in that：Vertical divider is cement mixing pile sealing
Curtain is drilled into below contaminated soil 1.5m-4m below water barrier top plate under cement mixing pile, and the thickness of vertical divider is 0.3m-
The infiltration coefficient of 1.5m, vertical divider are 10-8cm/s-10-6cm/s。
3. contaminated sites source according to claim 1 blocking method, it is characterized in that：The barrier of earth's surface level is that concrete covers
Layer or clay are compacted coating, and the thickness of earth's surface level barrier is 20cm-80cm, and the infiltration coefficient of earth's surface level barrier is 10- 8cm/s-10-6cm/s。
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| CN201810256628.6A CN108480373A (en) | 2018-03-27 | 2018-03-27 | A kind of contaminated sites source blocking method |
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| CN201810256628.6A CN108480373A (en) | 2018-03-27 | 2018-03-27 | A kind of contaminated sites source blocking method |
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| CN201810256628.6A Pending CN108480373A (en) | 2018-03-27 | 2018-03-27 | A kind of contaminated sites source blocking method |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109853631A (en) * | 2019-02-25 | 2019-06-07 | 苏州大学 | A kind of construction method of the totally-enclosed processing of contaminated site |
| CN110374143A (en) * | 2019-05-24 | 2019-10-25 | 中节能大地环境修复有限公司 | A kind of antiseepage barrier wall and its construction method |
| CN110397089A (en) * | 2019-06-10 | 2019-11-01 | 上海勘察设计研究院(集团)有限公司 | A kind of setting method of the multiple vertical isolation barrier of contaminated site |
| CN111945791A (en) * | 2020-08-19 | 2020-11-17 | 北京首创环境科技有限公司 | Vertical separation system for polluted site and construction method |
| CN112302057A (en) * | 2020-09-30 | 2021-02-02 | 南京格洛特环境工程股份有限公司 | Construction method for integral separation of polluted land |
| CN113820383A (en) * | 2021-09-13 | 2021-12-21 | 生态环境部华南环境科学研究所 | Waste resin powder piling point soil pollution risk control method based on covering and blocking technology |
| CN114232590A (en) * | 2021-12-20 | 2022-03-25 | 上海毅同环境技术有限公司 | Risk control method for hexavalent chromium polluted land by combining vertical partition wall and modified microbial complexing agent |
| CN114226423A (en) * | 2021-11-29 | 2022-03-25 | 辽宁中博生态环境技术有限公司 | Risk control method for volatile organic pollution site |
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| CN204544963U (en) * | 2015-01-27 | 2015-08-12 | 深圳市铁汉生态环境股份有限公司 | A kind of obstruct repair structure for heavy metal pollution of soil |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109853631A (en) * | 2019-02-25 | 2019-06-07 | 苏州大学 | A kind of construction method of the totally-enclosed processing of contaminated site |
| CN110374143A (en) * | 2019-05-24 | 2019-10-25 | 中节能大地环境修复有限公司 | A kind of antiseepage barrier wall and its construction method |
| CN110397089A (en) * | 2019-06-10 | 2019-11-01 | 上海勘察设计研究院(集团)有限公司 | A kind of setting method of the multiple vertical isolation barrier of contaminated site |
| CN110397089B (en) * | 2019-06-10 | 2020-12-08 | 上海勘察设计研究院(集团)有限公司 | Method for setting multiple vertical isolation barriers in polluted site |
| CN111945791A (en) * | 2020-08-19 | 2020-11-17 | 北京首创环境科技有限公司 | Vertical separation system for polluted site and construction method |
| CN112302057A (en) * | 2020-09-30 | 2021-02-02 | 南京格洛特环境工程股份有限公司 | Construction method for integral separation of polluted land |
| CN113820383A (en) * | 2021-09-13 | 2021-12-21 | 生态环境部华南环境科学研究所 | Waste resin powder piling point soil pollution risk control method based on covering and blocking technology |
| CN114226423A (en) * | 2021-11-29 | 2022-03-25 | 辽宁中博生态环境技术有限公司 | Risk control method for volatile organic pollution site |
| CN114226423B (en) * | 2021-11-29 | 2023-09-15 | 辽宁中博生态环境技术有限公司 | Risk management and control method for volatile organic pollution sites |
| CN114232590A (en) * | 2021-12-20 | 2022-03-25 | 上海毅同环境技术有限公司 | Risk control method for hexavalent chromium polluted land by combining vertical partition wall and modified microbial complexing agent |
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Application publication date: 20180904 |