CN207597444U - A kind of composite anti-penetrating system for landfill yard high gradient slope - Google Patents
A kind of composite anti-penetrating system for landfill yard high gradient slope Download PDFInfo
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- CN207597444U CN207597444U CN201721332516.1U CN201721332516U CN207597444U CN 207597444 U CN207597444 U CN 207597444U CN 201721332516 U CN201721332516 U CN 201721332516U CN 207597444 U CN207597444 U CN 207597444U
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- high gradient
- landfill yard
- gradient slope
- lead layer
- yard high
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Abstract
The utility model is related to a kind of composite anti-penetrating system for landfill yard high gradient slope, including：Screen net structure, lead layer, more discharge guiding pipes, impervious barrier and geomembrane；Screen net structure is fixed on landfill yard high gradient slope；Lead layer is arranged on screen net structure；One end of discharge guiding pipe is stretched into landfill yard high gradient slope, and the other end stretches into lead layer；Impervious barrier is arranged on lead layer；Geomembrane is fixed on by setscrew on impervious barrier.The composite anti-penetrating system increases the barrier performance of Valley Type Landfill Site seepage control system, improves the stabilization safety of seepage control system.
Description
Technical field
The utility model is related to environmental geotechnical technical field, more particularly to a kind of answering for landfill yard high gradient slope
Close seepage control system.
Background technology
Solid waste (house refuse, danger wastes, mud and sludge, Polluted Soil etc.) landfill stabilization field composite pad is prevented
Oozing the Failure Control problem of system has become the Important Project problem that disposition of solid waste field engineering field urgently needs to solve
One of.In recent years, composite pad seepage control system because have the characteristics that resistant to damage ability by force and anti-seepage effect protrusion due to gradually replace
Traditional clay compaction leakage preventing structure.
Valley Type Landfill Site is the top-priority landfill yard Site Selection in China mountain and hill area, and Valley Type Landfill Site has
Have the advantages that storage capacity is big and it is small to take up an area land area.There are a large amount of joint fissures for general of Valley Type Landfill Site slope surface, it is necessary on slope
Leakage preventing structure on face is set, Leachate site in landfill yard is avoided to flow into over-the-counter, pollution periphery soil and water resources through side slope joint fissure.But
Since Valley Type Landfill Site side slope is precipitous and slope surface is longer, by HDPE (high density polyethylene (HDPE)) geomembrane, geotechnological polymer/clay pad
With the composite pad seepage control system that the impervious materials such as clay compaction layer are formed since boundary strength is weak, in side slope itself is steady
It is qualitative to be difficult to ensure that, and construction has difficulties.
In the prior art for Valley Type Landfill Site slope seepage control structure mainly by spray normal silicate water be used as it is anti-
Infiltration layer, but since the portland cement impervious barrier infiltration coefficient after solidification is larger, it is impossible to meet landfill site seepage prevention requirement.
Utility model content
The utility model provides a kind of composite anti-penetrating system for landfill yard high gradient slope, solves or part solves
The infiltration coefficient of impervious barrier is larger in the prior art, it is impossible to which the technical issues of meeting landfill site seepage prevention requirement realize raising
Valley Type Landfill Site seepage control system safety avoids the environmental geological Hazard problem of the whole fluent initiation of seepage control system.
A kind of composite anti-penetrating system for landfill yard high gradient slope provided by the invention, including：
Screen net structure is fixed on the landfill yard high gradient slope；
Lead layer is arranged on the screen net structure；
More discharge guiding pipes, one end of the discharge guiding pipe are stretched into the landfill yard high gradient slope, and the other end stretches into described lead
Arrange layer；
Impervious barrier is arranged on the lead layer；
Geomembrane is fixed on by setscrew on the impervious barrier.
Preferably, the screen net structure is steel wire.
Preferably, the lead layer material is concrete；
The concrete is mixed to prepare by cement and coarse sand；
The concrete is fixed on the screen net structure by injection and forms the lead layer.
Preferably, the more discharge guiding pipes are distributed in the different height of the landfill yard high gradient slope；
The discharge guiding pipe is obliquely installed, and one end of the lead layer is higher than positioned at one end of the landfill yard high gradient slope.
Preferably, the angle of inclination of the discharge guiding pipe relative level is 0~10 °.
Preferably, the impervious barrier is mixed to prepare by cement and bentonite；
The impervious barrier is fixed on by injection on the lead layer.
Preferably, the material of the geomembrane is high density polyethylene (HDPE).
Preferably, the setscrew is perpendicular to the direction of the landfill yard high gradient slope.
Preferably, it further includes：
Antiseepage cap, is hemispherical dome structure, and edge extends outwardly a circular ring shape the brim of a hat；The antiseepage cap is located at the expansion
Outside screw；
The circular ring shape the brim of a hat is fixed on the geomembrane.
Preferably, the material of the antiseepage cap and the circular ring shape the brim of a hat is rubber；
The circular ring shape the brim of a hat is with the geomembrane by being welded and fixed.
One or more technical solutions provided herein, have at least the following technical effects or advantages：
It is fixed on landfill yard high gradient slope as a result of screen net structure；Lead layer is arranged on screen net structure；Guide
One end of pipe is stretched into landfill yard high gradient slope, and the other end stretches into lead layer；Impervious barrier is arranged on lead layer；Geomembrane passes through
Setscrew is fixed on impervious barrier.Diving in landfill slope can enter lead layer through discharge guiding pipe, then in gravity
The lower guide ditch that slope foot is flowed to along lead layer, through guide ditch flow out landfill yard, so as to avoid in slope diving can not guide cause
Water level harmony is high and threaten side slope itself and the stabilization security feature of composite pad seepage control system in side slope.When geomembrane occurs to break
Bad when, impervious barrier can play certain antiseepage effect.Screen net structure, lead layer and impervious barrier form an entirety, boundary strength
Height, self stability ensured, meanwhile, geomembrane is fixed on by setscrew on impervious barrier, and geomembrane is substantially improved
Stability against sliding.In this way, the infiltration coefficient for efficiently solving impervious barrier in the prior art is larger, it is impossible to which meeting landfill site seepage prevention will
The technical issues of asking realizes and improves Valley Type Landfill Site seepage control system safety, avoids the technique effect of periphery water and soil pollution.
Description of the drawings
Fig. 1 is the structural representation of the composite anti-penetrating system for landfill yard high gradient slope that the utility model embodiment provides
Figure；
Fig. 2 is the structural front view of antiseepage cap in Fig. 1；
Fig. 3 is the structure top view of antiseepage cap in Fig. 1.
(component that each label represents in diagram is followed successively by：1 side slope, 2 screen net structures, 3 discharge guiding pipes, 4 setscrews, 5 guides
Layer, 6 impervious barriers, 7 geomembranes, 8 antiseepage caps, the 9 circular ring shape thes brim of a hat)
Specific embodiment
The embodiment of the present application provides a kind of composite anti-penetrating system for landfill yard high gradient slope, solves or part solves
Determined impervious barrier in the prior art infiltration coefficient it is larger, it is impossible to the technical issues of meeting landfill site seepage prevention requirement, by by silk
Web frame is fixed on landfill yard high gradient slope；Lead layer is arranged on screen net structure；Landfill yard height is stretched into one end of discharge guiding pipe
In gradient slope, the other end stretches into lead layer；Impervious barrier is arranged on lead layer；Geomembrane is fixed on impervious barrier by setscrew
On；It realizes and improves Valley Type Landfill Site seepage control system safety, avoid the technique effect of periphery water and soil pollution.
Referring to attached drawing 1, a kind of composite anti-penetrating system for landfill yard high gradient slope provided by the utility model, including：
Screen net structure 2, lead layer 5, more discharge guiding pipes 3, impervious barrier 6 and geomembrane 7；Screen net structure 2 is fixed on landfill yard high gradient slope 1
On；Lead layer 5 is arranged on screen net structure 2；One end of discharge guiding pipe 3 is stretched into landfill yard high gradient slope 1, and the other end stretches into guide
Layer 5；Impervious barrier 6 is arranged on lead layer 5；Geomembrane 7 is fixed on by setscrew 4 on impervious barrier 6, the material of geomembrane 7
For high density polyethylene (HDPE) (HDPE).
Wherein, the diving in landfill slope 1 can enter lead layer 5 through discharge guiding pipe 3, then under the effect of gravity along guide
The guide ditch that layer 5 flows to slope foot flows out landfill yard through guide ditch, so as to avoid diving in slope can not guide cause in side slope 1
Water level harmony is high and threatens side slope 1 itself and the stabilization security feature of composite pad seepage control system.When geomembrane 7 destroys
When, impervious barrier 6 can play certain antiseepage effect.Screen net structure 2, lead layer 5 and impervious barrier 6 form an entirety, and interface is strong
Degree is high, and self stability is ensured, meanwhile, geomembrane 7 is fixed on by setscrew 4 on impervious barrier 6, and geotechnique is substantially improved
The stability against sliding of film 7.
Further, screen net structure 2 is steel wire.5 material of lead layer is concrete；Concrete is mixed by cement and coarse sand
It closes and is made；Concrete is fixed on formation lead layer 5 on screen net structure 2 by injection.Cement and coarse sand solidify the concrete to be formed
Lead layer 5, with Thief zone characteristic, the diving in landfill slope 1 can enter concrete lead layer 5 through discharge guiding pipe 3.
Further, more discharge guiding pipes 3 are distributed in the different height of landfill yard high gradient slope 1；The inclination of discharge guiding pipe 3 is set
It puts, one end of lead layer 5 is higher than positioned at one end of landfill yard high gradient slope 1, the angle of inclination of 3 relative level of discharge guiding pipe is 0
~10 °, facilitate the underground flow of landfill yard high gradient slope 1 to lead layer 5；As a kind of preferred embodiment, discharge guiding pipe 3 is with respect to water
The angle of inclination of plane is 5 °.
Further, impervious barrier 6 is mixed to prepare by cement and bentonite；Impervious barrier 6 is fixed on lead layer 5 by injection
On.Cement and bentonite solidify the impervious barrier 6 to be formed, and have hyposmosis characteristic, can be as the secondary of composite pad seepage control system
Impervious barrier, when the geomembrane 7 of main antiseepage destroys, impervious barrier 6 can play certain antiseepage effect.
Further, setscrew 4 is perpendicular to the direction of landfill yard high gradient slope 1.
Further, it referring to attached drawing 2 and 3, further includes：Antiseepage cap 8, is hemispherical dome structure, and edge extends outwardly an annulus
The shape the brim of a hat 9；The lid of antiseepage cap 8 is located at outside setscrew 4, solves the leakage problems of perforation of the setscrew 4 to geomembrane 7；Circle
The annular the brim of a hat 9 is fixed on geomembrane 7.The material of antiseepage cap 8 and the circular ring shape the brim of a hat 9 is rubber；The circular ring shape the brim of a hat 9 and geomembrane
7 are fixed by caking.Geomembrane 7 is fixed on by setscrew 4 on impervious barrier 6, greatly improves HDPE geomembranes 7
Stability against sliding, each setscrew 4 wear an antiseepage cap 8, and antiseepage cap 8 caps eaves design using roof fall, and roof fall is using thick
Real rubber, the end for avoiding setscrew 4 puncture antiseepage cap, and the brim of a hat uses rubber membrane, increases antiseepage cap 8 and HDPE geotechniques
The reliability that film 7 connects.
One or more technical solutions provided herein, have at least the following technical effects or advantages：
It is fixed on landfill yard high gradient slope 1 as a result of screen net structure 2；Lead layer 5 is arranged on screen net structure 2；
One end of discharge guiding pipe 3 is stretched into landfill yard high gradient slope 1, and the other end stretches into lead layer 5；Impervious barrier 6 is arranged on lead layer 5；
Geomembrane 7 is fixed on by setscrew 4 on impervious barrier 6.Cement and coarse sand solidify the concrete lead layer 5 to be formed, and have height
Penetration Signature, the diving in landfill slope 1 can enter concrete lead layer 5 through discharge guiding pipe 3, then under the effect of gravity along mixed
Solidifying soil lead layer 5 flows to the guide ditch of slope foot, flows out landfill yard through guide ditch, so as to avoid diving in slope can not guide cause
Water level harmony is high and threaten side slope 1 itself and the stabilization security feature of composite pad seepage control system in side slope 1.Cement and bentonite
The impervious barrier 6 formed is solidified, there is hyposmosis characteristic, it can be as the secondary impervious barrier of composite pad seepage control system, when main anti-
When the HDPE geomembranes 7 oozed destroy, impervious barrier 6 can play antiseepage effect.Steel wire, concrete lead layer 5 and impervious barrier 6
An entirety is formed after the concrete has set, boundary strength is high, and self stability is ensured, meanwhile, HDPE geomembranes 7 pass through
Setscrew 4 is fixed on impervious barrier 6, greatly improves the stability against sliding of HDPE geomembranes 7.Each setscrew 4 is worn
One antiseepage cap 8, solves the leakage problems of perforation of the setscrew 4 to geomembrane 7, and antiseepage cap 8 caps eaves using roof fall and sets
Meter, roof fall use thick and solid rubber, avoid 4 end of setscrew and puncture antiseepage cap 8, the brim of a hat uses rubber membrane, increases antiseepage
The reliability that cap 8 and HDPE geomembranes 7 weld.In this way, the infiltration coefficient for efficiently solving impervious barrier 6 in the prior art is larger,
The technical issues of landfill site seepage prevention requirement cannot be met, realizes and improves Valley Type Landfill Site seepage control system safety, avoids
The environmental geological Hazard problem of the whole fluent initiation of seepage control system.
Above-described specific embodiment, the purpose of this utility model, technical solution and advantageous effect have been carried out into
One step is described in detail, it should be understood that the foregoing is merely specific embodiment of the present utility model, is not used to limit
The utility model processed, within the spirit and principle of the utility model, any modification, equivalent substitution, improvement and etc. done,
It should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of composite anti-penetrating system for landfill yard high gradient slope, which is characterized in that including：
Screen net structure is fixed on the landfill yard high gradient slope；
Lead layer is arranged on the screen net structure；
More discharge guiding pipes, one end of the discharge guiding pipe are stretched into the landfill yard high gradient slope, and the other end stretches into the lead layer；
Impervious barrier is arranged on the lead layer；
Geomembrane is fixed on by setscrew on the impervious barrier.
2. it to be used for the composite anti-penetrating system of landfill yard high gradient slope as described in claim 1, which is characterized in that
The screen net structure is steel wire.
3. it to be used for the composite anti-penetrating system of landfill yard high gradient slope as described in claim 1, which is characterized in that
The lead layer material is concrete；
The concrete is mixed to prepare by cement and coarse sand；
The concrete is fixed on the screen net structure by injection and forms the lead layer.
4. it to be used for the composite anti-penetrating system of landfill yard high gradient slope as described in claim 1, which is characterized in that
The more discharge guiding pipes are distributed in the different height of the landfill yard high gradient slope；
The discharge guiding pipe is obliquely installed, and one end of the lead layer is higher than positioned at one end of the landfill yard high gradient slope.
5. it to be used for the composite anti-penetrating system of landfill yard high gradient slope as claimed in claim 4, which is characterized in that
The angle of inclination of the discharge guiding pipe relative level is 0~10 °.
6. it to be used for the composite anti-penetrating system of landfill yard high gradient slope as described in claim 1, which is characterized in that
The impervious barrier is mixed to prepare by cement and bentonite；
The impervious barrier is fixed on by injection on the lead layer.
7. it to be used for the composite anti-penetrating system of landfill yard high gradient slope as described in claim 1, which is characterized in that
The material of the geomembrane is high density polyethylene (HDPE).
8. it to be used for the composite anti-penetrating system of landfill yard high gradient slope as described in claim 1, which is characterized in that
The setscrew is perpendicular to the direction of the landfill yard high gradient slope.
9. it to be used for the composite anti-penetrating system of landfill yard high gradient slope as described in claim 1, which is characterized in that further include：
Antiseepage cap, is hemispherical dome structure, and edge extends outwardly a circular ring shape the brim of a hat；The antiseepage cap is located at the setscrew
Outside；
The circular ring shape the brim of a hat is fixed on the geomembrane.
10. it to be used for the composite anti-penetrating system of landfill yard high gradient slope as claimed in claim 9, which is characterized in that
The material of the antiseepage cap and the circular ring shape the brim of a hat is rubber；
The circular ring shape the brim of a hat is with the geomembrane by being welded and fixed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721332516.1U CN207597444U (en) | 2017-10-17 | 2017-10-17 | A kind of composite anti-penetrating system for landfill yard high gradient slope |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721332516.1U CN207597444U (en) | 2017-10-17 | 2017-10-17 | A kind of composite anti-penetrating system for landfill yard high gradient slope |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107620325A (en) * | 2017-10-17 | 2018-01-23 | 中国科学院武汉岩土力学研究所 | A kind of composite anti-penetrating system for landfill yard high gradient slope |
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2017
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107620325A (en) * | 2017-10-17 | 2018-01-23 | 中国科学院武汉岩土力学研究所 | A kind of composite anti-penetrating system for landfill yard high gradient slope |
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