CN209040134U - A kind of compound impervious wall for soft clay area hazardous waste landfill environmental protection - Google Patents
A kind of compound impervious wall for soft clay area hazardous waste landfill environmental protection Download PDFInfo
- Publication number
- CN209040134U CN209040134U CN201821439533.XU CN201821439533U CN209040134U CN 209040134 U CN209040134 U CN 209040134U CN 201821439533 U CN201821439533 U CN 201821439533U CN 209040134 U CN209040134 U CN 209040134U
- Authority
- CN
- China
- Prior art keywords
- wall
- plasticity
- flexible core
- compound impervious
- compound
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Bulkheads Adapted To Foundation Construction (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The utility model relates to the compound impervious walls for soft clay area hazardous waste landfill environmental protection.Compound impervious wall includes flexible core wall, plasticity wall and knee wall.Flexible core wall is embedded into the water barrier of underground from earth's surface extension.Plasticity wall package flexible core wall simultaneously protects flexible core wall.Knee wall is located at plasticity wall two sides, and for landfill yard periphery soil stabilization, reduction displacement, raising compound impervious wall construction safety.Flexible core wall, plasticity wall, knee wall in compound impervious wall were around landfill yard one week, to prevent to run the pollutant surprisingly revealed in underground horizontal to diffusion.By the compound impervious wall of the utility model example body, dangerous waste landfill yard accident effusion, soil protection and underground water can be effectively isolated under the premise of ensureing landfill yard embankment, base fixed.
Description
Technical field
The utility model relates to field of environment protection, in particular to a kind of cut-pff wall and landfill yard.
Background technique
In worldwide, with the rapid development of social economy, urbanization and industrialization development quickening are that one kind becomes
Gesture.Correspondingly, population and Industry Agglomeration, also result in municipal refuse, trade waste sharply increases, especially petrochemical industry,
The pressure that mine smelting process generates environment is increasing.
Coastal soft clay area, due to factors such as Soft Clay defect, level of ground water height, the dangerous waste landfill yard of building is being transported
During battalion, once leakage, endangers greatly soil and groundwater, need to construct HDPE film vertical impermeable wall to reinforce environment guarantor
Shield.The continuous vertical channel in soft clay area will affect trough rim embankment, the soil body, generate displacement, and then phenomena such as ground cracking occur.
Utility model content
In view of this, the main purpose of the utility model is to provide one kind to be used for soft clay area hazardous waste landfill ring
The compound impervious wall of border protection, by the technical program, under the premise of ensureing landfill yard embankment, the soil body, leakage preventing structure safety,
Effective command displacement evades ground cracking, continuous underground compound impervious wall is constructed, to control polluted soil or underground water
The diffusion mobility of middle pollutant, and by underground water pump-drainage well, effectively control groundwater level, while can be in time by interception
Effusion extraction is administered.
The utility model is realized in this way:
In order to achieve the above object, the technical solution of the utility model is achieved in that
Compound impervious wall for soft clay area hazardous waste landfill environmental protection includes flexible core wall, flexible core wall quilt
Construction was embedded into the water barrier of underground to extend from earth's surface, and around landfill yard one week, with the pollution for preventing operation from surprisingly revealing
Object is in underground horizontal to diffusion.
Compound impervious wall further include:
Plasticity wall, plasticity wall wrap up flexible core wall, and plasticity wall is configured to protection flexible core wall, to accelerate antiseepage
Wall is stablized.
In other one or more examples, flexible core wall is by the geomembrane structure including at least high density polyethylene (HDPE) material
At, flexible core wall with a thickness of 3.0mm, infiltration coefficient≤10-8cm/s。
In other one or more examples, plasticity wall is poured by plastic concrete, and plasticity wall will be soft
Property core wall be wrapped in centre, plasticity wall was around landfill yard one week.
In other one or more examples, antiseepage coefficient≤10 of plastic concrete-6Cm/s, 28d are without lateral confinement resistance to compression
Intensity >=1.0MPa, thickness >=600mm.
In other one or more examples, plastic concrete is by tap water, clay, bentonite, cement, aggregate and changes
Property agent mixes composition at a given proportion, and plastic concrete takes the mode of underwater grouting, symmetrically in the two sides of flexible core wall
Casting is constituted.
In other one or more examples, compound impervious wall further includes knee wall, and knee wall is located at plasticity wall
Two sides, knee wall is configured to prior to flexible core wall and plasticity wall construction, to mention for flexible core wall and plasticity wall construction
For safety supports.
In other one or more examples, knee wall is built-up by high-pressure rotary jet grouting pile, and is located at plasticity wall two
Side, knee wall are configured to surround landfill yard one week, to be displaced to landfill yard periphery soil stabilization, reduction, while improve flexibility
Core wall and plasticity wall construction safety.
In other one or more examples, single pile diameter >=800mm of high-pressure rotary jet grouting pile is engaged 200mm, stake between stake
It is deep consistent with plasticity wall height, pile center's line and plasticity wall sideline horizontal distance >=single pile radius+300mm, single pile 28d without
Confined compressive strength >=1.5MPa.
In other one or more examples, compound impervious wall further includes underground water pump-drainage well, underground water pump drainage well location
Between knee wall and landfill yard.
In other one or more examples, the matching of underground water pump-drainage well is provided with deep well pump, and deep well pump is configured to
The water level of underground water in control underground water pump-drainage well is consistently lower than the base impervious layer 3m of landfill yard, while being lower than composite anti-penetrating
Wall periphery level of ground water is no less than 1m.
In other one or more examples, landfill yard has embankment, and landfill area is limited by embankment corral；Preferably,
There is transition region between landfill area and antiseepage area, transition region is provided with underground water pump-drainage well；It is highly preferred that cut-pff wall definition has
Inside close to landfill area, the outside far from landfill area, inner side and outer side are separated by cut-pff wall, the water in underground water pumped well
Position is at least 3 meters below the base impervious layer of landfill yard, and at least below 1 meter of the water level in outside.
Beneficial effect after by adopting the above technical scheme is:
A kind of compound impervious wall for soft clay area hazardous waste landfill environmental protection is being protected by technical solution
Under the premise of hindering landfill yard embankment, the soil body, leakage preventing structure safety, effective command displacement evades ground cracking, and building is continuously
Lower compound impervious wall, to control the diffusion mobility of polluted soil or underground water pollutant.Further, and pass through underground
Water pump-drainage well, effectively control groundwater level, while the effusion of interception can be extracted out in time and administered.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the schematic diagram of the section structure of compound impervious wall provided by the embodiment of the utility model；
Fig. 2 shows the schematic top plan views of the cut-pff wall in Fig. 1；
Fig. 3 is the schematic diagram of the section structure of existing landfill yard.
Icon: 1- flexible core wall；2- plasticity wall；3- knee wall；4- water barrier；5- landfill yard；6- embankment；The 7- soil body；
8- underground water pump-drainage well.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.Therefore, below to attached
The detailed description of the embodiments of the present invention provided in figure is not intended to limit the range of claimed invention,
But it is merely representative of the selected embodiment of the utility model.Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without creative efforts, belongs to the model of the utility model protection
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, or
The utility model product using when the orientation or positional relationship usually put, be merely for convenience of description the utility model and letter
Change description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construct and
Operation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second ", " third " etc. are only used for area
Divide description, is not understood to indicate or imply relative importance.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediary can also be passed through
It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition
Solve the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it
"lower" may include that the first and second features directly contact, and also may include that the first and second features are not direct contacts but lead to
Cross the other characterisation contact between them.Moreover, fisrt feature includes above the second feature " above ", " above " and " above "
One feature is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.First is special
Sign is directly below and diagonally below the second feature including fisrt feature under the second feature " below ", " below " and " below ", or only
Indicate that first feature horizontal height is less than second feature.
In the present invention, in the case where not contradiction or conflict, all embodiments, embodiment of the utility model
And feature can be combined with each other.In the present invention, conventional unit, component etc., both can be commercially available, can also be with
It is made by oneself according to content disclosed by the utility model.In the present invention, in order to protrude the emphasis of the utility model, to it is some often
The omission that the operation of rule and unit, component carry out, or be only briefly described.
Since various pollutants are easy polluted underground water, soil in landfill yard (especially household refuse landfill sites),
It is necessary to the soils to landfill yard to protect.
Refering to fig. 1 to Fig. 3.
In view of this, inventor proposes a kind of new compound impervious wall after study.
Compound impervious wall includes water barrier 4, plasticity wall 2 and flexible core wall 1.
Wherein, play the role of obstructing water every water barrier 4.It can both obstruct the water being positioned above (such as landfill yard
Effusion) downward polluted underground water.Meanwhile water barrier 4 can also obstruct to gush on the clean underground water under it and enter landfill
Area.Water barrier is provided and is used usually as landfill yard base impervious layer.
Plasticity wall 2 and flexible core wall 1 can form a kind of combined wall with standalone feature, and it is compound
Cut-pff wall main leakage preventing structure body in the horizontal direction.In the present embodiment, combined wall is a kind of composite construction, with core
Layer and wrapping layer.Protection of the sandwich layer by wrapping layer, can be to avoid the infringement by other substances.Combined wall is relative to soil
The infiltration coefficient of earth reduces significantly, stops performance of the landfill yard effusion to external diffusion to provide.I.e. flexible core wall 1 mainly rises
To anti-seepage effect, and plasticity wall 2 then protects flexible core wall 1, avoids being poked by extraneous hard object.
Knee wall 3 then plays the role of reinforcing the soil body 7, it is possible to reduce the sliding and movement of the soil body 7.Also, knee wall 3
Certain protective effect is also also played to combined wall, is mainly realized by being supported plasticity wall 2.
The compound impervious wall in the utility model embodiment is described in detail below in conjunction with attached drawing.
Present embodiments provide a kind of compound impervious wall.
Compound impervious wall is used for the environmental protection of soft clay area hazardous waste landfill, and is formed in the underground of landfill yard periphery
Building.In other words, the region of the practical landfill waste of landfill yard is greater than by the region of compound impervious wall limited.Compound impervious wall
It is primarily used to prohibit the landfill place circle of landfill yard inside it, is entirely filled out so that pollutant entrained by rubbish is limited to
It buries inside the location of field, without leaking and (referring mainly to horizontal direction, vertical direction).In the vertical direction, water barrier plays resistance
The problem of only effusion is to 7 percdation of the soil body.
Although foregoing describe compound impervious walls to be formed in landfill yard periphery, it should however be noted that: composite anti-penetrating
Certain some or some structural body in wall, which also can according to need, to be set inside it or other position.For example, will be
The water barrier 4 being hereinafter mentioned, preferably be formed on entire landfill yard with can cover landfill area underground be
Limit, to prevent 7 lower layer of the soil body of sewage from permeating.
In improvement, compound impervious wall includes flexible core wall 1, plasticity wall 2, knee wall 3, water barrier 4.
Wherein, water barrier 4 is embedded in underground, at least expands to the corresponding subterranean zone of entire landfill yard.
It is a kind of composite construction that flexible core wall 1 and plasticity wall 2, which combine the combined wall formed,.Flexible core wall 1 and modeling
Property wall 2 in sandwich layer, wrapping layer structure arrange.Wherein, sandwich layer (flexible core wall 1) is wrapped up by wrapping layer (plasticity wall 2) completely.
Combined wall provides preferable anti-seepage effect (infiltration of such as horizontal direction).Combined wall encloses the landfill area of landfill yard
Prohibit in inside.
In rough vertical direction, flexible core wall 1 and plasticity wall 2 extend from earth's surface and are embedded into water barrier 4, and point
It is not combined with water barrier 4 to be formed and be firmly combined and stable composite structure.Aforementioned combination can by with flowering structure come
Realize: water barrier 4 opens up slot or hole, and the end for stretching to underground of flexible core wall 1 and plasticity wall 2 can be embedded into it is aforementioned
Slot or hole in.Obviously, in order to make the airtightness of the combination between flexible core wall 1, plasticity wall 2 and water barrier 4, seam can
It is irrigated, filled up by various sealing materials.
Flexible core wall 1 is not specifically required and is limited in structural strength, is primarily used to provide barrier performance,
Its Corrosion Protection should be considered suitably (especially in underground environment) simultaneously.Preferably, flexible core wall 1 is mainly by antiseepage
Film material constitute.For example, flexible core wall 1 is plastic foil.In further embodiments, flexible core wall 1 is geomembrane.It is flexible
Core wall 1 is made by high-density polyethylene geomembrane, and with a thickness of 3.0mm, antiseepage coefficient less than 10-8cm/s。
Plasticity wall 2 is used to provide protection to flexible core wall 1, protects it from extraneous damage (such as burn into punctures).
Plasticity wall 2 has comparable intensity, be able to bear the static pressure of the soil body 7 without significantly deforming, it is damaged (such as crack,
Hole etc.).Meanwhile plasticity wall 2 can also play certain anti-seepage effect to a certain extent.
Preferably, as a kind of alternative example, plasticity wall 2 is mainly poured by plastic concrete.More preferably
Ground, plastic concrete are made by mixing by tap water, clay, bentonite, cement, aggregate and modifying agent.Preferably, based on
Upper flexible core wall 1 matches: antiseepage coefficient≤10 of plasticity wall 2-6Cm/s, 28d unconfined compressive strength >=1.0MPa,
Thickness >=600mm.
In the scheme using plastic concrete production plasticity wall 2, plasticity wall 2 can be by way of underwater grouting
It is formed, and is constructed making plasticity wall 2 in a manner of underwater grouting in the two sides of flexible core wall 1.Plasticity wall 2
It is formed in the two sides of flexible core wall 1 flexible core wall 1 is wrapped in inside, so that the two sides in the horizontal direction of flexible core wall 1 are all
Extraneous infringement can be protected from.It improves in example, thickness of the plasticity wall 2 in the two sides of flexible core wall 1 is identical
, so as to bear identical active force.
Knee wall 3 extends from earth's surface and is embedded into water barrier 4.Knee wall 3 has the work of horizontal direction resistant slide, movement
With.Therefore, knee wall 3 is combined stronger with water barrier 4, and has comparable structural strength and stability.Knee wall 3 is to periphery
The soil body 7 is reinforced, and displacement is reduced, and improves flexible core wall 1 and plasticity wall construction safety.
In the present embodiment, knee wall 3 includes the first wall and the second wall, and the first wall, the second wall distinguish position
In the two sides of combined wall.Knee wall 3 is supported from the two sides of combined wall, and combined wall is enable to be defined
It is more firm.In some improvement examples, may be used also between the first wall and plasticity wall 2, between the second wall and plasticity wall 2
By 7 interval of the soil body.
In a kind of example, knee wall 3 is built-up by high-pressure rotary jet grouting pile.In a kind of preferred example, single pile diameter >=
800mm, is engaged 200mm between stake, stake is deep consistent with plasticity wall height, and pile center's line and plasticity wall sideline horizontal distance >=mono-
Stake radius+300mm, 28 days unconfined compressive strength >=1.5MPa of single pile.
Further, the first wall, the second wall are symmetrically dispersed in the two sides of combined wall.
As an improvement, having transition region between landfill area and antiseepage area, transition region is provided with underground water pump-drainage well.Underground
Water pump-drainage well is used to control groundwater level, while can be used in time administer the effusion extraction of interception, to have
Effect isolation dangerous waste landfill yard accident effusion, soil protection and underground water.
A kind of water level as level of ground water for controlling landfill yard, to control the purpose of effusion, in underground water pumped well
At least 3 meters below 5 base impervious layer of landfill yard, and at least below 1 meter of the water level in outside.Wherein, outside can be by following
Restriction is elucidated with.Compound impervious wall defines the inside close to landfill area, the outside far from landfill area, and inner side and outer side is by compound
Cut-pff wall separates.
Using compound impervious wall provided by the embodiment of the utility model in landfill yard, soft clay area hazardous waste may be implemented
Landfill yard environmental protection.By constructing continuous underground compound impervious wall, polluted to control in polluted soil or underground water
The diffusion mobility of object, and by underground water pump-drainage well, effectively control groundwater level, while can be in time by the effusion of interception
Extraction is administered.Under the premise of ensureing landfill yard embankment 6, the soil body 7, leakage preventing structure safety, effective command displacement is evaded ground and is opened
It splits, is also effectively isolated dangerous waste landfill yard accident effusion, soil protection and underground water.
In order to make those skilled in the art be easier to implement the utility model, compound impervious wall is explained in detail below
It states.
The utility model relates to the compound impervious wall for the environmental protection of soft clay area hazardous waste landfill include:
Flexible core wall 1, flexible core wall 1 are embedded into underground water barrier 4 from earth's surface extension.As further embodiment,
Flexible core wall 1 is made of 3.0mm thickness HDPE geomembrane etc., whole infiltration coefficient≤10-8cm/s。
It further include plasticity wall 2, plasticity wall 2 wraps up flexible core wall 1, protects flexible core wall 1.Implement as further
Example, plasticity wall 2 were poured by plastic concrete, around landfill yard 5 one weeks.Plastic concrete is by tap water, clay, swelling
Soil, cement, aggregate and modifying agent are mixed in a certain ratio composition.Plasticity wall 2 takes the mode of underwater grouting plastic concrete,
It is symmetrically poured composition in 1 two sides of flexible core wall, and flexible core wall 1 is wrapped in centre.Plastic concrete antiseepage coefficient≤10- 6Cm/s, 28d unconfined compressive strength >=1.0MPa, thickness >=600mm.
It further include knee wall 3, knee wall 3 is located at 2 two sides of plasticity wall, reinforces to the 5 periphery soil body 7 of landfill yard, reduces position
It moves, improves compound impervious wall construction safety.As further embodiment, knee wall 3 is prior to flexible core wall 1 and plasticity wall
2 constructions improve weak soil compressive property, effectively control the displacement during vertical channel.As further embodiment, knee wall
3 is built-up by high-pressure rotary jet grouting pile, is located at 2 two sides of plasticity wall, and around landfill yard 5 one weeks, adds to the 5 periphery soil body of landfill yard
Gu reducing displacement, flexible core wall 1 and 2 construction safety of plasticity wall are improved.As further embodiment, high-pressure rotary jet grouting pile list
Stake diameter >=800mm is engaged 200mm between stake, stake is deep consistent with plasticity wall height, and pile center's line and plasticity wall sideline are horizontal
Distance >=single pile radius+300mm, single pile 28d unconfined compressive strength >=1.5MPa.
Around landfill yard 5 one weeks, the pollutant for preventing operation from surprisingly revealing existed for flexible core wall 1, plasticity wall 2, knee wall 3
Underground horizontal is to diffusion.
Also packet underground water pump-drainage well 8, underground water pump-drainage well 8 effectively control underground between knee wall 3 and landfill yard 5
Water water level, while the effusion of interception can be extracted out in time and administered.In the premise for ensureing 5 embankment 6 of landfill yard, base fixed
Under, compound impervious wall is constructed, the unexpected effusion of dangerous waste landfill yard 5, soil protection and underground water are effectively isolated.As further
Embodiment, underground water pump-drainage well 8 are consistently lower than 5 base impervious layer 3m of landfill yard using groundwater level in deep well pump control well,
1m is no less than lower than compound impervious wall periphery groundwater level simultaneously.
In the embodiments of the present invention, flexible core wall 1 need to surround landfill yard 5 one weeks, it is continuous whole, centre cannot between
It is disconnected；Plasticity wall 2 takes the mode of underwater pouring, is implemented in 1 two sides of flexible core wall；Knee wall 3 is symmetrically distributed in flexible core wall 1
It with 2 two sides of plasticity wall, and is conserved in place before flexible core wall 1 and plasticity wall 2 are constructed, intensity is vertical up to 1.5MPa
Fluting building flexible core wall 1 and plasticity wall 2, provide safety supports.
In the embodiments of the present invention, 3 single pile 28d unconfined compressive strength of knee wall >=1.5MPa, occlusion is continuous, adds
The stability of 5 periphery weak soil of strong landfill yard, improves the safety of vertical channel construction；1 infiltration coefficient of flexible core wall is less than 10- 8Cm/s can make the diffusion mobility coefficient between 5 accidental release object of landfill yard and surrounding enviroment be reduced to 10-8The cm/s order of magnitude,
2 infiltration coefficient≤10 of plasticity wall-6Cm/s, 28d unconfined compressive strength >=1.0MPa, construct compound impervious wall, make wall
Can fast and stable, and have certain compression strength；Groundwater on the inside of the effectively control compound impervious wall of underground water pump-drainage well 8
On the one hand position can reduce influence of the underground water to place basis, improve operation security, on the other hand will can surprisingly let out in time
Leakage collection processing.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (9)
1. a kind of compound impervious wall for soft clay area hazardous waste landfill environmental protection, the compound impervious wall include soft
Property core wall, the flexible core wall was configured to extend from earth's surface to be embedded into the water barrier of underground, and around landfill yard one week, to hinder
The pollutant surprisingly revealed only is runed in underground horizontal to diffusion, which is characterized in that the compound impervious wall further include:
Plasticity wall, the plasticity wall wrap up the flexible core wall, and the plasticity wall is configured to protection flexible core wall, with
Cut-pff wall is accelerated to stablize.
2. the compound impervious wall according to claim 1 for the environmental protection of soft clay area hazardous waste landfill, special
Sign is that the flexible core wall is made of the geomembrane for including at least high density polyethylene (HDPE) material, the thickness of the flexible core wall
For 3.0mm, infiltration coefficient≤10-8cm/s。
3. the compound impervious wall according to claim 1 for the environmental protection of soft clay area hazardous waste landfill, special
Sign is that the plasticity wall is poured by plastic concrete, and during the flexible core wall is wrapped in by the plasticity wall
Between, the plasticity wall was around landfill yard one week.
4. the compound impervious wall according to claim 3 for the environmental protection of soft clay area hazardous waste landfill, special
Sign is, antiseepage coefficient≤10 of the plastic concrete-6Cm/s, 28d unconfined compressive strength >=1.0MPa, thickness >=
600mm。
5. the compound impervious wall according to claim 1 for the environmental protection of soft clay area hazardous waste landfill, special
Sign is that the compound impervious wall further includes knee wall, and the knee wall is located at the two sides of the plasticity wall, the knee wall
It is configured to prior to flexible core wall and plasticity wall construction, to provide safety supports for flexible core wall and plasticity wall construction.
6. the compound impervious wall according to claim 5 for the environmental protection of soft clay area hazardous waste landfill, special
Sign is that the knee wall is built-up by high-pressure rotary jet grouting pile, and is located at plasticity wall two sides, and the knee wall is constructed
Surround landfill yard one week, with to landfill yard periphery soil stabilization, reduce and be displaced, while improving the flexible core wall and the modeling
Property wall construction safety.
7. the compound impervious wall according to claim 6 for the environmental protection of soft clay area hazardous waste landfill, special
Sign is that single pile diameter >=800mm of the high-pressure rotary jet grouting pile is engaged 200mm between stake, stake is deep consistent with plasticity wall height,
Pile center's line and plasticity wall sideline horizontal distance >=single pile radius+300mm, single pile 28d unconfined compressive strength >=1.5MPa.
8. for the compound of soft clay area hazardous waste landfill environmental protection according to any one of claim 5-7
Cut-pff wall, which is characterized in that the compound impervious wall further includes underground water pump-drainage well, and the underground water pump-drainage well is located at the branch
Between buttress and landfill yard.
9. the compound impervious wall according to claim 8 for the environmental protection of soft clay area hazardous waste landfill, special
Sign is that the underground water pump-drainage well matching is provided with deep well pump, and the deep well pump is configured to control the underground water pump drainage
The water level of underground water in well is consistently lower than the base impervious layer 3m of landfill yard, while being lower than compound impervious wall periphery level of ground water
No less than 1m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821439533.XU CN209040134U (en) | 2018-09-03 | 2018-09-03 | A kind of compound impervious wall for soft clay area hazardous waste landfill environmental protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821439533.XU CN209040134U (en) | 2018-09-03 | 2018-09-03 | A kind of compound impervious wall for soft clay area hazardous waste landfill environmental protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209040134U true CN209040134U (en) | 2019-06-28 |
Family
ID=67032264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821439533.XU Active CN209040134U (en) | 2018-09-03 | 2018-09-03 | A kind of compound impervious wall for soft clay area hazardous waste landfill environmental protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209040134U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109024644A (en) * | 2018-09-03 | 2018-12-18 | 北京高能时代环境技术股份有限公司 | A kind of compound impervious wall for soft clay area hazardous waste landfill environmental protection |
-
2018
- 2018-09-03 CN CN201821439533.XU patent/CN209040134U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109024644A (en) * | 2018-09-03 | 2018-12-18 | 北京高能时代环境技术股份有限公司 | A kind of compound impervious wall for soft clay area hazardous waste landfill environmental protection |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109024644A (en) | A kind of compound impervious wall for soft clay area hazardous waste landfill environmental protection | |
| CN108951675A (en) | HDPE geomembrane and bentonite-clay complex vertical cut-pff wall and its construction method of installation | |
| CN109056764B (en) | Composite impervious wall for environmental protection of landfill in soft soil area and construction method thereof | |
| CN104652581B (en) | Multi-stage slope anchoring structure for realizing rainwater and sewage separation | |
| CN202482882U (en) | Vertical composite curtain of sanitary rubbish landfill | |
| CN209040134U (en) | A kind of compound impervious wall for soft clay area hazardous waste landfill environmental protection | |
| CN109356204A (en) | The storage of the second class of one kind, disposal site seepage control system and draining shaft bridging arrangement | |
| CN106368176B (en) | The high dam structure being built on earth material scarcity area deeply covered layer | |
| CN111014226A (en) | Ton package and landfill of soluble waste salt | |
| CN208884586U (en) | A kind of solid waste stockpiling barrier structure | |
| CN204059424U (en) | Slope seepage control structure | |
| CN206179536U (en) | Low and intermediate level radioac tive waste deals with storehouse with gas carries radiation and filters emission function | |
| CN206128097U (en) | Steel cylinder formula precipitation well seals utensil | |
| CN203507356U (en) | Earthy anti-seepage fire dike for oil depot storage tanks | |
| CN102409701A (en) | Concrete wall construction joint processing method and structure | |
| CN105133621B (en) | The construction method and foundation pit enclosure system of foundation pit enclosure system | |
| US11225767B1 (en) | Earthen dam structure | |
| CN114412503A (en) | Composite separation protection method for preventing landfill leachate from eroding tunnel lining structure | |
| CN209011166U (en) | A kind of ground lower plate and side wall junction waterproof construction | |
| KR101117354B1 (en) | Lightweight material mounding structure and method for constructing the same | |
| CN202284334U (en) | Construction joint structure of concrete wall | |
| CN201857617U (en) | Seepage-proofing structure and waterproof structure for hydraulic architecture foundation | |
| CN102392460B (en) | A kind of basement external waterproof structure and construction method thereof | |
| CN207244657U (en) | A kind of vertical antifouling isolation wall construction of both sides ground local stiffening type | |
| CN207176628U (en) | A kind of earth and rockfill dam impervious watertight structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |