CN109837928A - The application method of seepage proof curtain, guide seepage control system and seepage proof curtain - Google Patents
The application method of seepage proof curtain, guide seepage control system and seepage proof curtain Download PDFInfo
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- CN109837928A CN109837928A CN201811062440.4A CN201811062440A CN109837928A CN 109837928 A CN109837928 A CN 109837928A CN 201811062440 A CN201811062440 A CN 201811062440A CN 109837928 A CN109837928 A CN 109837928A
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 230000004888 barrier function Effects 0.000 claims abstract description 57
- 230000008595 infiltration Effects 0.000 claims abstract description 32
- 238000001764 infiltration Methods 0.000 claims abstract description 32
- 239000012530 fluid Substances 0.000 claims abstract description 5
- 230000003204 osmotic effect Effects 0.000 claims description 11
- 239000002689 soil Substances 0.000 claims description 6
- 239000004576 sand Substances 0.000 claims description 5
- 239000002002 slurry Substances 0.000 claims description 3
- 238000009738 saturating Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 238000010276 construction Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 5
- 238000011084 recovery Methods 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 158
- 239000003344 environmental pollutant Substances 0.000 description 37
- 231100000719 pollutant Toxicity 0.000 description 37
- 230000008901 benefit Effects 0.000 description 10
- 239000000463 material Substances 0.000 description 9
- 229920006395 saturated elastomer Polymers 0.000 description 8
- 238000009792 diffusion process Methods 0.000 description 7
- 230000000903 blocking effect Effects 0.000 description 5
- 238000012545 processing Methods 0.000 description 4
- 238000003325 tomography Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 239000011229 interlayer Substances 0.000 description 3
- 239000002346 layers by function Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000003487 anti-permeability effect Effects 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 229920006262 high density polyethylene film Polymers 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
- 238000000992 sputter etching Methods 0.000 description 1
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Abstract
It include barrier layer the present invention relates to underground water antiseepage recovery technique field more particularly to the application method of a kind of seepage proof curtain, guide seepage control system and seepage proof curtain, the seepage proof curtain；First truncation layer；Second truncation layer is bonded with the first truncation layer, and is arranged to store the structure of fluid；At least one exhaust pipe, setting are connected in the first truncation layer and with the second truncation layer；Barrier layer, the first infiltration coefficient that layer, the second truncation layer and exhaust pipe is truncated are sequentially increased；Wherein, layer is both parallel with barrier layer is bonded for the first truncation layer and the second truncation, and the second truncation layer compared with the first truncation layer closer to underground impermeable stratum.Seepage proof curtain provided by the invention has the function of the characteristics of anti-seepage effect is good, construction process requirement is low and included damage testing.
Description
Technical field
The present invention relates to underground water antiseepage recovery technique field more particularly to a kind of seepage proof curtain, guide seepage control system and
The application method of seepage proof curtain.
Background technique
With the rapid industrial development in our country, cause that environmental pollution has become increasingly serious.Due to some chemical industry, bargh
Dump leaching field, the effective seepage control measure of shortages such as Tailings Dam therefore lead to industrial waste (liquid), chemical products, slag etc. pair
Soil and body of groundwater cause pollution, have seriously endangered the environment that people depend on for existence.Wherein, vertical grouting curtain is dirty
Auxiliary facility particularly important in the governance process of place is contaminated, is that one kind carries out vertical curtain in pollutant diffusion or flyway
Flexible barrier liner is laid in curtain grouting, to reduce the diffusion for even blocking pollutant completely, realizes the side that pollution effectively controls
Method.
Wherein, although existing vertical grouting curtain can be realized the diffusion for preventing pollutant, still, existing vertical
Seepage proof curtain is unitary barrier structure, and therefore, barriering effect is poor, it is difficult to realize the absolute blocking to pollutant；Except this it
Outside, the integrality of existing vertical grouting curtain itself is difficult to ensure and detect, can not when damaging in the process of running
It is effectively detected, causes potentially to permeate hidden danger, there are the technical problems of anti-seepage effect difference.
Summary of the invention
The purpose of the present invention is to provide the application method of a kind of seepage proof curtain, guide seepage control system and seepage proof curtain, with
Alleviating seepage proof curtain in the prior art, there are the technical problems of anti-seepage effect difference.
The present invention provides a kind of seepage proof curtains, comprising:
Barrier layer；
First truncation layer；
Second truncation layer is bonded with the first truncation layer, and is arranged to store the structure of fluid；
At least one exhaust pipe, setting are connected in the first truncation layer and with the second truncation layer；
The barrier layer, the described first infiltration coefficient that layer, the second truncation layer and the exhaust pipe is truncated successively increase
Greatly；
Wherein, layer is both parallel with the barrier layer is bonded for the first truncation layer and second truncation, and described
Layer is truncated closer to underground impermeable stratum in second truncation layer more described first.
Further, the exhaust pipe is multiple；
Multiple exhaust pipes are set parallel to each other in the first truncation layer, and each exhaust pipe is and institute
State the connection of the second truncation layer.
Further, the exhaust pipe and the first truncation layer are integrally formed.
Further, the second truncation layer includes:
Second truncation layer ontology is bonded with the first truncation layer；
Multiple gathered troughs are formed along the second truncation layer body recess；
Exhaust pipe connection corresponding with the gathered trough.
Further, the infiltration coefficient of the barrier layer is less than 10-5The infiltration coefficient of cm/s, the first truncation layer are small
In 10-3Cm/s, the infiltration coefficient of the second truncation layer is less than 10-1cm/s。
The osmotic coefficient ratio of the further barrier layer and the first truncation layer is not more than 10-2cm/s。
Further, the osmotic coefficient ratio of the first truncation layer and the second truncation layer is no more than 10-2cm/s。
Further, the osmotic coefficient ratio of Soil Background and the second truncation layer is no more than 10-2 cm/s。
The invention has the benefit that
The present invention provides a kind of seepage proof curtain, which includes barrier layer, the first truncation layer and the first truncation layer
Second truncation layer of fitting and at least one exhaust pipe being arranged in the first truncation layer, wherein the second truncation layer is arranged to deposit
The structure of fluid is stored up, exhaust pipe is connected to the second truncation layer, specifically, barrier layer, the first truncation layer, the second truncation layer and pumping
The infiltration coefficient of comb is sequentially increased, meanwhile, layer is both parallel with barrier layer is bonded for the first truncation layer and the second truncation, and
Layer is truncated compared with first closer to underground impermeable stratum for second truncation layer.When carrying out blocking pollutant diffusion, barrier layer is placed
In the close side with pollutant, when the underground water containing pollutant passes through barrier layer, due to the infiltration coefficient of barrier layer
Smaller, therefore, most pollutant is blocked layer and effectively obstructs, wherein the pollutant of fraction is by penetration mode with water
The mode of flat saturated flow (being controlled by head pressure difference or concentration gradient) passes through barrier layer and enters the first truncation layer；When small portion
When pollutant being divided to enter the first truncation layer, since the infiltration coefficient of the first truncation layer is greater than the infiltration coefficient of barrier layer,
Fraction pollutant is changed into vertical unsaturated seepage (mainly into mode of seepage after the first truncation layer from horizontal saturated flow
By GRAVITY CONTROL), and then the vertical downflow in the first truncation layer, the type of flow vertically downward can be prevented through resistance
The fraction pollutant of interlayer continues across the first truncation layer, wherein the pollutant of vertical downflow in the first truncation layer
It can move in the second bigger truncation layer of infiltration coefficient and be gathered together, finally, by being truncated what layer was connected to second
Exhaust pipe is expelled to specified processing region.This design structure, the barrier layer being sequentially increased by infiltration coefficient, first section
The gradient separation of tomography and second section of fault development diversification, and then the diffusion of pollutant effectively is limited, meanwhile, and by
It is different from the first truncation infiltration coefficient of layer in barrier layer, therefore, the pollutant of barrier layer is passed through in a manner of horizontal saturated flow
It can be flowed downward in the first truncation layer in a manner of vertical unsaturated seepage, finally pass through exhaust pipe at the second truncation layer
Discharge, to achieve the purpose that absolutely to obstruct pollutant.
The present invention provides a kind of guide seepage control system with above-mentioned seepage proof curtain.
Technical solution provided by the invention can achieve it is following the utility model has the advantages that
The guide seepage control system is identical as advantage possessed by above-mentioned seepage proof curtain, and details are not described herein.
The present invention provides a kind of application method with above-mentioned seepage proof curtain, includes the following steps:
Step S10, fluting: the position vertical channel along contaminated site periphery, slot bottom are excavated to underground impermeable stratum,
Mud off is used during vertical channel；
The seepage proof curtain is inserted into slot bottom, wherein barrier layer is close to contaminated side by step S20；
Backfill: step S30 backfills sand into slot to remove slurry coat method.
Technical solution provided by the invention can achieve it is following the utility model has the advantages that
The application method of the seepage proof curtain is identical as advantage possessed by above-mentioned seepage proof curtain, and details are not described herein.
Detailed description of the invention
It, below will be to tool in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Body embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing be some embodiments of the present invention, for those of ordinary skill in the art, what is do not made the creative labor
Under the premise of, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram figure of seepage proof curtain provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of the second truncation layer in Fig. 1；
Fig. 3 is the process schematic of seepage proof curtain block contaminants provided in an embodiment of the present invention；
Fig. 4 is the flow chart of seepage proof curtain application method provided in an embodiment of the present invention.
Icon:
1- barrier layer；
Layer is truncated in 2- first；
Layer is truncated in 3- second；
Layer ontology is truncated in 31- second；
32- gathered trough.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described reality
Applying example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work belongs to what the present invention protected
Range.
In the description of the present invention, it should be noted that the orientation or positional relationship of the instructions such as term "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ",
" connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect
It connects；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
As shown in Figure 1, Figure 2 and Figure 3, present embodiments provide a kind of seepage proof curtain, the seepage proof curtain include barrier layer 1,
First truncation layer 2, the second truncation layer 3 being bonded with the first truncation layer 2 and at least one pumping being arranged in the first truncation layer 2
Comb, wherein the second truncation layer 3 is arranged to store the structure of fluid, and exhaust pipe is connected to the second truncation layer 3, specifically, resistance
Interlayer 1, first, which is truncated layer 2, second infiltration coefficient of layer 3 and exhaust pipe is truncated, to be sequentially increased, meanwhile, the first truncation layer 2 and the
The both fittings parallel with barrier layer 1 of two truncation layers 3, and the second truncation layer 3 is waterproof closer to underground compared with the first truncation layer 2
Layer.When carrying out blocking pollutant diffusion, barrier layer 1 is disposed close to the side with pollutant, when the ground containing pollutant
When being lauched by barrier layer 1, since the infiltration coefficient of barrier layer 1 is smaller, it is effective that most pollutant is blocked layer 1
Barrier, wherein the pollutant of fraction is controlled with horizontal saturated flow by head pressure difference or concentration gradient by penetration mode
Mode pass through barrier layer 1 enter first truncation layer 2；When fraction pollutant enters the first truncation layer 2, due to first section
The infiltration coefficient of tomography 2 is greater than the infiltration coefficient of barrier layer 1, and therefore, fraction pollutant enters seepage flow after the first truncation layer 2
Form is changed into vertical unsaturated seepage mainly by GRAVITY CONTROL from horizontal saturated flow, and then vertical in the first truncation layer 2
It flows downward, the type of flow vertically downward can prevent the fraction pollutant through barrier layer 1 from continuing across the first truncation
Layer 2, wherein the pollutant of vertical downflow can move to bigger second section of infiltration coefficient in the first truncation layer 2
It in tomography 3 and is gathered together, finally, being expelled to specified processing region by the exhaust pipe being connected to the second truncation layer 3.
Layer 2 and the second truncation layer 3 is truncated by the barrier layer 1, first that infiltration coefficient is sequentially increased in this design structure
The gradient separation of diversification is formed, and then effectively limits the diffusion of pollutant, meanwhile, and due to barrier layer 1 and first section
The infiltration coefficient of tomography 2 is different, therefore, can be with vertical unsaturation by the pollutant of barrier layer 1 in a manner of horizontal saturated flow
The mode of seepage flow flows downward in the first truncation layer 2, finally by exhaust pipe discharge at the second truncation layer 3, to reach pair
The purpose that pollutant absolutely obstructs.
The seepage proof curtain in addition to the advantages listed above, also has the advantage that
(1) seepage proof curtain does not require absolutely not permeable or impermeable, does not require the nothing constructed or operational process is absolute yet
Damaged or zero defect thereby reduces construction requirement, improves construction efficiency.And the seepage proof curtain structure is simple, construction technology
It is required that it is low, since the realization of its blocking ability mainly relies on barrier layer 1, first that layer 2 and the second truncation each functional layer of layer 3 is truncated
Between the control of seepage flow gradient difference, therefore to each functional layer, the barrier of especially 1 material of barrier layer is not very high.
(2) further, since the requirement of requirement and construction technology to above-mentioned each functional layer material reduces,
Respective material and construction and the control of construction quality require also to decrease, and then reduce overall cost.
(3) since partition Capability Requirement of the seepage proof curtain to material itself reduces, form the seepage proof curtain
Material market source is wider, for example, it is general (less than 10 to can choose anti-permeability performance-5Cm/s), while having widely
Environmental suitability (anti-Na ion, cl ion etching ability), therefore, barrier effect is more preferable.
It wherein, in the present embodiment, is the effective barrier that can be realized pollutant, specifically, the material of barrier layer 1 can
To use the barrier materials such as bentonite, HDPE film, cement；Meanwhile to can be realized in a manner of horizontal saturated flow by barrier
Layer 1 pollutant can in a manner of vertical unsaturated seepage first truncation layer 2 in flow downward, and then first truncation layer 2 with
There must be apparent difference between the permeance property of barrier layer 1, therefore, the first truncation layer 2 can use fine sand, coarse sand or thin
Gravel etc. has the material of higher permeability energy；Further, energy is preferably stored to enable to the second truncation layer 3 to have
Cobble, gravel or other materials with high osmosis can be used in power, the second truncation layer 3.
As shown in Figure 1, exhaust pipe can be one or more, wherein in the present embodiment, for can rapidly by
The pollutant collected at the second truncation layer 3 is emitted into time in specified processing region, and exhaust pipe is multiple, multiple pump drainages
Pipe is set parallel to each other in the first truncation layer 2, and each exhaust pipe is connected to the second truncation layer 3.
Wherein, exhaust pipe can be the independent pipeline being arranged in the first truncation layer 2, to can be improved the first truncation layer 2
Leakproofness, prevent the first truncation layer 2 exist infiltration hidden danger, in this embodiment, it is preferred that, exhaust pipe with first be truncated layer 2
It is integrally formed.
As shown in Fig. 2, specifically, the second truncation layer 3 includes the second truncation layer ontology 31 being bonded with the first truncation layer 2
With the multiple gathered troughs 32 formed along the second truncation recess of layer ontology 31, exhaust pipe connection corresponding with gathered trough 32, wherein
The pollutant of vertical downflow can move in the second bigger truncation layer ontology 31 of infiltration coefficient in first truncation layer 2
And be gathered together, it is connected to since exhaust pipe is corresponding with gathered trough 32, collect in the dirt in the second truncation layer ontology 31
Dye object can be discharged to specified region by the exhaust pipe being connected to gathered trough 32.
When being drained, the part that can will draw water connects one to one with exhaust pipe, will collect under the action of drawing water part
Pollutant in gathered trough 32 is emitted into specified processing region by exhaust pipe, wherein exhaust pipe is in addition to having pollutant
The effect of collection and guide, meanwhile, during extraction, the part that draws water has been correspondingly connected with flow monitoring device, when which pump drainage
When managing corresponding water flow perhaps pollutant concentration significantly increasing also or when being greater than defined threshold value, then show the resistance of the part
There is the phenomenon that leakage in interlayer 1, need to be repaired in time, further improve the functionality of the seepage proof curtain, have prison
The advantages of survey ability.
Specifically, in the present embodiment, for the effective barrier that can be realized pollutant, wherein the infiltration system of barrier layer 1
Number is less than 10-5Cm/s, the infiltration coefficient of the first truncation layer 2 is less than 10-3Cm/s, the infiltration coefficient of the second truncation layer 3 is less than 10- 1cm/s。
Wherein, layer 2 and the second truncation layer 3 is truncated while meeting infiltration coefficient size requirements in barrier layer 1, first, is
Enable to pollutant that can pass through barrier layer 1 in such a way that horizontal saturated flow is controlled by head pressure difference or concentration gradient,
It is mainly flowed in the first truncation layer 2 in a manner of by GRAVITY CONTROL by vertical unsaturated seepage again, barrier layer 1 and the first truncation
The permeance property of layer 2 must have apparent difference, and the osmotic coefficient ratio of the two need to meet KBarrier layer/KFirst truncation layer≤10-2cm/
s；Meanwhile to enable to the second truncation layer 3 that there is good storage capacity, the infiltration of the first truncation layer 2 and the second truncation layer 3
Permeability can must have apparent difference, and the osmotic coefficient ratio of the two need to meet KFirst truncation layer/KSecond truncation layer≤10-2cm/s；Into one
Step, to enable to the seepage proof curtain that there is good anti-seepage effect, the infiltration coefficient of Soil Background and the second truncation layer 3
Osmotic coefficient ratio must also meet KSoil Background/KSecond truncation layer≤10-2cm/s。
Specifically, according to above-mentioned expression it is found that the osmotic coefficient ratio of barrier layer 1 and the first truncation layer 2 is not more than 10-2cm/
s；The osmotic coefficient ratio of first truncation layer 2 and the second truncation layer 3 is no more than 10-2cm/s；Soil Background and the second truncation layer 3
Osmotic coefficient ratio be no more than 10-2cm/s。
The present embodiment also provides a kind of guide seepage control system, which includes suction pump and any of the above-described reality
Apply seepage proof curtain described in example, wherein suction pump is connected to exhaust pipe.
The guide seepage control system had the advantage that with any of the above-described seepage proof curtain as described in the examples it is identical, herein not
It repeats again.
As shown in figure 4, the present embodiment also provides a kind of application method of seepage proof curtain described in any of the above-described embodiment,
This method comprises the following steps:
Step S10, fluting: the position vertical channel along contaminated site periphery, slot bottom are excavated to underground impermeable stratum,
Mud off is used during vertical channel；
Seepage proof curtain is inserted into slot bottom by step S20, wherein barrier layer 1 is close to contaminated side；
Backfill: step S30 backfills sand into slot to remove slurry coat method.
The application method of the seepage proof curtain had the advantage that with any of the above-described seepage proof curtain as described in the examples it is identical,
Details are not described herein.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；
Although present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its
It is still possible to modify the technical solutions described in the foregoing embodiments, or special to some or all of technologies
Sign is equivalently replaced；And these are modified or replaceed, various embodiments of the present invention that it does not separate the essence of the corresponding technical solution
The range of technical solution.
Claims (10)
1. a kind of seepage proof curtain characterized by comprising
Barrier layer (1)；
First truncation layer (2)；
Second truncation layer (3) is bonded with first truncation layer (2), and is arranged to store the structure of fluid；
At least one exhaust pipe, setting are connected in first truncation layer (2) and with second truncation layer (3)；
The barrier layer (1), it is described first truncation layer (2), it is described second truncation layer (3) and the exhaust pipe infiltration coefficient according to
Secondary increase；
Wherein, first truncation layer (2) and second truncation layer (3) both fittings parallel with the barrier layer (1), and
Layer (2) are truncated closer to underground impermeable stratum in second truncation layer (3) more described first.
2. seepage proof curtain according to claim 1, which is characterized in that the exhaust pipe is multiple；
Multiple exhaust pipes be set parallel to each other it is described first truncation layer (2) in, and each exhaust pipe with it is described
Second truncation layer (3) connection.
3. seepage proof curtain according to claim 2, which is characterized in that the exhaust pipe and the first truncation layer (2) one
It is body formed.
4. seepage proof curtain according to claim 2, which is characterized in that described second, which is truncated layer (3), includes:
Second truncation layer ontology (31) is bonded with first truncation layer (2)；
Multiple gathered troughs (32) are formed along the second truncation layer ontology (31) recess；
The exhaust pipe is corresponded with the gathered trough (32) and is connected to.
5. seepage proof curtain according to claim 1, which is characterized in that the infiltration coefficient of the barrier layer (1) is less than 10- 5Cm/s, the infiltration coefficient of first truncation layer (2) is less than 10-3The infiltration coefficient of cm/s, second truncation layer (3) are less than
10-1cm/s。
6. seepage proof curtain according to claim 5, which is characterized in that the barrier layer (1) and first truncation layer (2)
Osmotic coefficient ratio be not more than 10-2cm/s。
7. seepage proof curtain according to claim 5, which is characterized in that first truncation layer (2) and second truncation
The osmotic coefficient ratio of layer (3) is no more than 10-2cm/s。
8. seepage proof curtain according to claim 5, which is characterized in that the infiltration of Soil Background and second truncation layer (3)
Saturating coefficient ratio is no more than 10-2cm/s。
9. a kind of guide seepage control system, which is characterized in that including suction pump and the described in any item antiseepage curtains of claim 1-8
Curtain, the suction pump are connected to the exhaust pipe.
10. the application method of seepage proof curtain according to any one of claims 1 to 8, which comprises the steps of:
Step S10, fluting: the position vertical channel along contaminated site periphery, slot bottom are excavated to underground impermeable stratum, are vertically opening
Mud off is used during slot；
The seepage proof curtain is inserted into slot bottom by step S20, wherein barrier layer (1) is close to contaminated side；
Backfill: step S30 backfills sand into slot to remove slurry coat method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811062440.4A CN109837928B (en) | 2018-09-12 | 2018-09-12 | Impermeable curtain, drainage guide impermeable system and application method of impermeable curtain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811062440.4A CN109837928B (en) | 2018-09-12 | 2018-09-12 | Impermeable curtain, drainage guide impermeable system and application method of impermeable curtain |
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| Publication Number | Publication Date |
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| CN109837928A true CN109837928A (en) | 2019-06-04 |
| CN109837928B CN109837928B (en) | 2024-07-19 |
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| CN201811062440.4A Active CN109837928B (en) | 2018-09-12 | 2018-09-12 | Impermeable curtain, drainage guide impermeable system and application method of impermeable curtain |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115387369A (en) * | 2022-09-29 | 2022-11-25 | 成都理工大学 | Flexible impervious structure combining impervious wall and curtain grouting and construction method thereof |
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