CN109235505A - Three-dimensional environmental protection complex ecological closing structure - Google Patents

Three-dimensional environmental protection complex ecological closing structure Download PDF

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Publication number
CN109235505A
CN109235505A CN201710408177.9A CN201710408177A CN109235505A CN 109235505 A CN109235505 A CN 109235505A CN 201710408177 A CN201710408177 A CN 201710408177A CN 109235505 A CN109235505 A CN 109235505A
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CN
China
Prior art keywords
layer
vertical divider
horizontal
closing structure
vertical
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.)
Pending
Application number
CN201710408177.9A
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Chinese (zh)
Inventor
郑中华
甄胜利
刘勇
郑峰
郭智
齐长青
刘力奇
陈望明
刘泽军
孙晓东
罗彬�
洪慧兰
金晶
贺真
霍成立
刘涛
苏红玉
董学光
虢德威
丁仕文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Geoenviron Engineering and Technology Inc
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Beijing Geoenviron Engineering and Technology Inc
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by Beijing Geoenviron Engineering and Technology Inc filed Critical Beijing Geoenviron Engineering and Technology Inc
Priority to CN201710408177.9A priority Critical patent/CN109235505A/en
Publication of CN109235505A publication Critical patent/CN109235505A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D31/00Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D19/00Keeping dry foundation sites or other areas in the ground
    • E02D19/06Restraining of underground water
    • E02D19/12Restraining of underground water by damming or interrupting the passage of underground water
    • E02D19/20Restraining of underground water by damming or interrupting the passage of underground water by displacing the water, e.g. by compressed air
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D31/00Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
    • E02D31/02Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water

Abstract

Three-dimensional environmentally friendly complex ecological closing structure of the present invention, including vertical divider system, the vertical divider system is embedded into the water barrier of underground from earth's surface extension, and around landfill material one week, prevent the pollutant in landfill material in underground horizontal to diffusion, it further include horizontal covering system, the horizontal covering system is located at vertical divider internal system, horizontal covering system outer rim is connected with vertical divider system, landfill material is integrally covered, it prevents rainwater from mixing with landfill material, reduces the generation of percolate;By technical solution, it can be effectively isolated informal landfill percolate diffusion, block contact of the surface water and groundwater with landfill material, soil protection and underground water, restoring mature econogy.During can also be used to administer the waste pollutant of unordered stockpiling, operation, the landfill yard etc. of leakage is had already appeared.

Description

Three-dimensional environmental protection complex ecological closing structure
Technical field
The present invention relates to a kind of environmental and ecological closings, more particularly to a kind of three-dimensional environmentally friendly complex ecological closing structure.
Background technique
With the rapid development of social economy, urbanization and industrialization development are accelerated, solidification disposal of waste and industrial production pollution Prevention and control, can all use seepage control system, and the informal landfill yard of early stage, pollution prevention measure are not in place, to Soil Surrounding and Underground water causes different degrees of pollution, and some regular refuse landfill pollution prevention measures are not in place, the diafiltration of generation Liquid, landfill gas also cause different degrees of pollution to Soil Surrounding and underground water.
In existing closing technology, mainly in the form of level covering, infiltrating for landfill localized ground precipitation has been obstructed With the unordered discharge of landfill gas, but the periphery diffusion of percolate inside landfill yard is not resolved really, do not control ground yet The cross contamination being lauched between landfill material.
Summary of the invention
In view of this, passing through the main purpose of the present invention is to provide a kind of three-dimensional environmentally friendly complex ecological closing structure The technical program, by the combination of vertical divider system and horizontal covering system and the gutter Huan Chang, using HDPE geomembrane, The materials such as sodium-based bentonite waterproof carpet, composite earthwork drainage network, reinforced earth gauze pad construct three-dimensional complex ecological closing knot Structure can effectively solve the pollution problem of informal household refuse landfill sites, reduce the yield of percolate, control rubbish and percolate Further pollution to surrounding enviroment restores ecology, meets country and industry standard specification, realizes that safety is closed.
In order to achieve the above object, the technical scheme of the present invention is realized as follows: a kind of three-dimensional environmentally friendly complex ecological Closing structure, including vertical divider system, the vertical divider system are embedded into water barrier from earth's surface extension, and around landfill Object one week, preventing the pollutant in landfill material in underground horizontal, to diffusion, further included horizontal covering system, the horizontal covering system System is located at vertical divider internal system, and horizontal covering system outer rim is connected with vertical divider system, landfill material is integrally covered, It prevents rainwater from mixing with landfill material, reduces the generation of percolate.
It further include the gutter Huan Chang as further technical solution, the gutter Huan Chang is arranged in vertical divider system System inside, and round along horizontal covering system, the gutter Huan Chang two sides are with vertical divider system and horizontal covering respectively System is connected.
As further technical solution, the vertical divider system is by vertical divider film, vertical divider wall, sealed bottom It is constituted with wall is led, vertical divider film lower end, which extends, is embedded into the water barrier of underground two meters, in vertical divider film lower end two sides It is provided with sealed bottom, vertical divider wall is arranged on the sealed bottom of vertical divider film two sides, leads wall and is arranged in vertical divider Wall upper end two sides, the upper end of the vertical divider film are connected with horizontal covering system.
As further technical solution, the vertical divider film is 3.0mm thickness HDPE smooth surface film, and the sealed bottom is Using chemical grouting material, the gap below the vertical divider wall of vertical divider film two sides between water barrier is filled, bottom is close The sealing height of envelope is greater than 1m, and the infiltration coefficient of the seal interface of sealed bottom is no more than 1 × 10-7cm/s。
As further technical solution, described lead is located at earth's surface above wall, using symmetrical reinforced concrete structure, in Between between be divided into the distance of 60 ~ 100cm, vertical divider film below earth's surface will be located at and vertical divider wall is clipped in the middle.
As further technical solution, the horizontal covering system is by air guiding layer, horizontal auxiliary seepage proof layer, horizontal leakage preventing Layer, drainage blanket, support soil layer, nutrition soil layer are constituted, and the air guiding layer is composite earthwork drainage network, are close to landfill material below, The horizontal auxiliary seepage proof layer is the top that air guiding layer is arranged in sodium-based bentonite waterproof carpet, and the horizontal impervious layer is that HDPE is bis- Matte film is arranged above horizontal auxiliary seepage proof layer, and the drainage blanket is that reinforced earth gauze pad is arranged above horizontal impervious layer, The support soil layer is that the soil without stone is coated on drainage blanket, and the nutrition soil layer is the soil for being suitble to plant growth, It is laid on support soil layer, plantation has plant inside the soil of nutrition soil layer.
As further technical solution, the air guiding layer is 6mm thickness composite earthwork drainage network, the horizontal auxiliary seepage proof Layer is 4800g/m2Sodium-based bentonite waterproof carpet, the horizontal impervious layer are the bis- matte films of 1.0mm thickness HDPE, and the drainage blanket is 600g/m2Reinforced earth gauze pad, the support soil layer are that 50cm thickness is free of stone soil, and the nutrition soil layer is suitble to for 20cm thickness The nutrient soil of plant growth.
As further technical solution, the horizontal auxiliary seepage proof layer and horizontal impervious layer outer rim extend respectively to neighbouring Vertical divider system lead on wall top face, the vertical divider film of the horizontal impervious layer and vertical divider system be weldingly connected for One.
As further technical solution, the gutter Huan Chang is made of furrow bank, collection pipe, filter layer, the furrow bank For channel form made of concrete structure, makees the collection pipe and worn in the horizontal direction with furrow bank inner vertical respectively for several It is logical, filter layer is provided on the ditch impervious barrier on the outside of the inner sidewall of the furrow bank, the other end of collection pipe is arranged in filter layer In, the filter layer is connected to each other with the drainage blanket in horizontal covering system.
As further technical solution, the furrow bank with a thickness of 30cm, be higher than close to the interior side elevation of landfill material another Side 50cm, the collection pipe are DN100 PVC tube having holes, and the filter layer is graded gravel laying, and graded gravel diameter is 20 ~ 40mm filters layer height 30cm.
Beneficial effect after by adopting the above technical scheme is: a kind of three-dimensional compound closing structure of environmental protection passes through technical side Case can be effectively isolated informal landfill percolate diffusion, block contact of the surface water and groundwater with landfill material, soil protection And underground water, restoring mature econogy.During can also be used to administer the waste pollutant of unordered stockpiling, operation, have already appeared The landfill yard etc. of leakage.
Detailed description of the invention
Fig. 1 is cross section structure schematic diagram of the invention.
In figure, 1 vertical divider system, 2 water barriers, 3 landfill materials, 4 horizontal covering systems, 5 gutters Huan Chang, 6 vertical resistances Wall, 10 air guiding layers, 11 horizontal auxiliary seepage proof layers, 12 horizontal impervious layers, 13 rows are led in diaphragm, 7 vertical divider walls, 8 sealed bottoms, 9 Water layer, 14 support soil layers, 15 nutrition soil layers, 16 furrow banks, 17 collection pipes, 18 filter layers, 19 natural soils.
Specific embodiment
Specific embodiment in the present invention is described in further detail below in conjunction with attached drawing.
As shown in Figure 1, three-dimensional environmentally friendly complex ecological closing structure of the present invention, including vertical divider system 1, institute It states vertical divider system 1 to be embedded into underground water barrier 2 from earth's surface extension, and around landfill material 3 one weeks, prevents in landfill material 3 Pollutant in underground horizontal to diffusion, further include horizontal covering system 4, the horizontal covering system 4 is located at vertical divider system Inside system 1, horizontal 4 outer rim of covering system is connected with vertical divider system 1, by the whole covering of landfill material 3, prevents rainwater and fills out The mixing of object 3 is buried, the generation of percolate is reduced.
It further include the gutter Huan Chang 5 as further embodiment, the gutter Huan Chang 5 is arranged in vertical divider system 1 inside of system, and round along horizontal covering system 4,5 two sides of the gutter Huan Chang are covered with vertical divider system 1 and level respectively Convering system 4 is connected.
As further embodiment, the vertical divider system 1 is close by vertical divider film 6, vertical divider wall 7, bottom Envelope 8 is constituted with wall 9 is led, and 6 lower end of vertical divider film, which extends, is embedded into underground water barrier 2 two meters, under vertical divider film 6 End two sides are provided with sealed bottom 8, and vertical divider wall 7 is arranged on the sealed bottom 8 of 6 two sides of vertical divider film, lead the setting of wall 9 In 7 upper end two sides of vertical divider wall, the upper end of the vertical divider film 6 is connected with horizontal covering system 4.
As further embodiment, the vertical divider film 6 is 3.0mm thickness HDPE smooth surface film, and the sealed bottom 8 is Using chemical grouting material, the gap between 7 lower section of vertical divider wall of 6 two sides of vertical divider film and water barrier 2, bottom are filled The sealing height of sealing 8 is greater than 1m, and the infiltration coefficient of the seal interface of sealed bottom 8 is no more than 1 × 10-7cm/s。
As further embodiment, the wall 9 of leading is located at earth's surface above, using symmetrical reinforced concrete structure, in Between between be divided into the distance of 60-100cm, vertical divider film 6 below earth's surface will be located at and vertical divider wall 7 is clipped in the middle.
As further embodiment, the horizontal covering system 4 is by air guiding layer 10, horizontal auxiliary seepage proof layer 11, level Impervious barrier 12, drainage blanket 3, support soil layer 14, nutrition soil layer 15 are constituted, and the air guiding layer 10 is composite earthwork drainage network, under Landfill material 3 is close to by side, and the horizontal auxiliary seepage proof layer 11 is the top that air guiding layer 10 is arranged in sodium-based bentonite waterproof carpet, described Horizontal impervious layer 12 is that the bis- matte films of HDPE are arranged above horizontal auxiliary seepage proof layer 11, and the drainage blanket 13 is reinforced earth net Pad is arranged above horizontal impervious layer 12, and the support soil layer 14 is that the soil without stone is coated on drainage blanket 13, described Nutrition soil layer 15 is the soil for being suitble to plant growth, is laid on support soil layer 14, plants inside the soil of nutrition soil layer 15 There is plant.
As further embodiment, the air guiding layer 10 is 6mm thickness composite earthwork drainage network, the horizontal auxiliary seepage proof Layer 11 is 4800g/m2Sodium-based bentonite waterproof carpet, the horizontal impervious layer 12 are the bis- matte films of 1.0mm thickness HDPE, the draining Layer 13 is 600g/m2Reinforced earth gauze pad, the support soil layer 14 are that 50cm thickness is free of stone soil, and the nutrition soil layer 15 is 20cm thickness is suitble to the nutrient soil of plant growth.
As further embodiment, the horizontal auxiliary seepage proof layer 11 and 12 outer rim of horizontal impervious layer extend respectively to neighbour Close vertical divider system 1 is led on 9 top surface of wall, and the horizontal impervious layer 12 and the vertical divider film 6 of vertical divider system 1 weld It connects and is connected as one.
As further embodiment, the gutter Huan Chang 5 is made of furrow bank 16, collection pipe 17, filter layer 18, described Furrow bank 16 is channel form made of concrete structure, ditch auxiliary seepage proof layer 19 and ditch impervious barrier as the gutter Huan Chang 5 20 are arranged on the outside and bottom of furrow bank 16, and the inside of ditch auxiliary seepage proof layer 19 and ditch impervious barrier 20 is covered with level respectively Horizontal auxiliary seepage proof layer 11 and horizontal impervious layer 12 in convering system 4 are connected as one, and ditch auxiliary seepage proof layer 19 and ditch are anti- The outside of infiltration layer 20 extends respectively to the leading on 9 top surface of wall of neighbouring vertical divider system 1, the ditch impervious barrier 20 with it is vertical The vertical divider film 6 of baffle system 1, which is weldingly connected, to be integrated, the collection pipe 17 be several difference in the horizontal direction with furrow bank 16 inner vertical break-through are provided with filter layer 18, collection pipe 17 on the ditch impervious barrier 20 on the outside of the inner sidewall of the furrow bank 16 The other end be arranged in filter layer 18, the filter layer 18 is connected to each other with the drainage blanket 13 in horizontal covering system 4.
As further embodiment, the furrow bank 16 with a thickness of 30cm, be higher than close to the interior side elevation of landfill material 3 another Side 50cm, the collection pipe 17 are DN100 PVC tube having holes, and the filter layer 18 is graded gravel laying, and graded gravel is straight Diameter is 20 ~ 40mm, 18 height 30cm of filter layer.
In the embodiment of the present invention, the vertical divider system 1 need to be surround landfill material 3 one weeks, and vertical divider film 6 is continuous complete It is whole, tightly gather between each width, centre cannot be interrupted, and before horizontal covering system 4 is implemented, need to carry out shaping to landfill material 3, make side slope Not suddenly in 1:4, it is ensured that the stability of horizontal covering system 4 supports soil layer 14 and nutrition soil layer 15 not to come down;Drainage blanket 13 Using reinforced earth gauze pad, have stronger drainability, while playing the reinforced action to support soil layer 14, improves steady It is qualitative;The rainwater guide that the gutter Huan Chang 5 will effectively be converged in horizontal covering system 4, filter layer 18 play the work of filtration, purification With reduction enters the silt in the gutter Huan Chang 5, and when rainfall is smaller, the surface water of convergence flows into collection pipe 17 out of pipe In the gutter Huan Chang 5, when rainfall is larger, charge for remittance can be from the top of 16 facade of furrow bank of horizontal 4 side of covering system It overflows into the gutter Huan Chang 5, makes charge for remittance by primary sedimentation, to reduce the suspended matter in draining.
In the embodiment of the present invention, the infiltration coefficient of HDPE geomembrane is less than 10-12Cm/s can make landfill material 3 and periphery Diffusion mobility coefficient between environment is reduced to 10-12The cm/s order of magnitude constructs three-dimensional environmentally friendly antiseepage barrier together, makes to fill out Object 3 and periphery natural soils 19 and underground water, earth's surface water segregation are buried, reduces the yield of percolate, has obstructed it in underground Contamination path, and serike is planned by nutrition soil layer 15, restoring mature econogy makes Ecological Park.
The above, preferable possible embodiments only of the invention, the range being not intended to limit the invention.

Claims (10)

1. a kind of three-dimensional environmentally friendly complex ecological closing structure, including vertical divider system, the vertical divider system is from earth's surface Extension is embedded into the water barrier of underground, and the pollutant in landfill material one week, prevention landfill material in underground horizontal to diffusion, It is characterized in that, further including horizontal covering system, the horizontal covering system is located at vertical divider internal system, level covering system System outer rim is connected with vertical divider system, and landfill material is integrally covered, and prevents rainwater from mixing with landfill material, reduces percolate It generates.
2. three-dimensional environmentally friendly complex ecological closing structure according to claim 1, further includes the gutter Huan Chang, the ring field Gutter setting rounds in vertical divider system memory, and along horizontal covering system, the gutter Huan Chang two sides respectively with hang down Straight baffle system is connected with horizontal covering system.
3. three-dimensional environmentally friendly complex ecological closing structure according to claim 1 or 2, which is characterized in that the vertical resistance It by vertical divider film, vertical divider wall, sealed bottom and leads wall every system and constitutes, vertical divider film lower end, which extends, to be embedded into Two meters in the water barrier of underground, vertical divider film lower end two sides are provided with sealed bottom, vertical divider wall is arranged in vertical divider On the sealed bottom of film two sides, leads wall and be arranged in vertical divider wall upper end two sides, the upper end of the vertical divider film is covered with level Convering system is connected.
4. three-dimensional environmentally friendly complex ecological closing structure according to claim 3, which is characterized in that the vertical divider film For 3.0mm thickness HDPE smooth surface film, the sealed bottom is to fill the vertical resistance of vertical divider film two sides using chemical grouting material The sealing height in the gap below partition wall between water barrier, sealed bottom is greater than 1m, the infiltration of the seal interface of sealed bottom Coefficient is no more than 1 × 10-7cm/s。
5. three-dimensional environmentally friendly complex ecological closing structure according to claim 3, which is characterized in that described to lead position above wall In earth's surface, using symmetrical reinforced concrete structure, midfeather is the distance of 60 ~ 100cm, vertical below earth's surface by being located at Barrier film and vertical divider wall are clipped in the middle.
6. three-dimensional environmentally friendly complex ecological closing structure according to claim 1, which is characterized in that the horizontal covering system System is made of air guiding layer, horizontal auxiliary seepage proof layer, horizontal impervious layer, drainage blanket, support soil layer, nutrition soil layer, the air guiding layer For composite earthwork drainage network, it is close to landfill material below, the horizontal auxiliary seepage proof layer is that sodium-based bentonite waterproof carpet is arranged The top of air guiding layer, the horizontal impervious layer are that the bis- matte films of HDPE are arranged above horizontal auxiliary seepage proof layer, the drainage blanket It is arranged above horizontal impervious layer for reinforced earth gauze pad, the support soil layer is that the soil without stone is coated in drainage blanket On, the nutrition soil layer is the soil for being suitble to plant growth, is laid on support soil layer, plants inside the soil of nutrition soil layer There is plant.
7. three-dimensional environmentally friendly complex ecological closing structure according to claim 6, which is characterized in that the air guiding layer is 6mm thickness composite earthwork drainage network, the horizontal auxiliary seepage proof layer are 4800g/m2Sodium-based bentonite waterproof carpet, the horizontal leakage preventing Layer is the bis- matte films of 1.0mm thickness HDPE, and the drainage blanket is 600g/m2Reinforced earth gauze pad, the support soil layer are 50cm thick Without stone soil, the nutrition soil layer is the nutrient soil that 20cm thickness is suitble to plant growth.
8. three-dimensional environmentally friendly complex ecological closing structure according to claim 1 or 6, which is characterized in that the level is auxiliary Impervious barrier and horizontal impervious layer outer rim is helped to extend respectively to the leading on wall top face of neighbouring vertical divider system, the horizontal leakage preventing Layer and the vertical divider film of vertical divider system are weldingly connected and are integrated.
9. three-dimensional environmentally friendly complex ecological closing structure according to claim 2, which is characterized in that the gutter Huan Chang It is made of furrow bank, collection pipe, filter layer, the furrow bank is channel form made of concrete structure, and the collection pipe is several Respectively in the horizontal direction with furrow bank inner vertical break-through, it is provided with filter layer on the impervious barrier on the outside of the inner sidewall of the furrow bank, The other end of collection pipe is arranged in filter layer, and the filter layer is connected to each other with the drainage blanket in horizontal covering system.
10. three-dimensional environmentally friendly complex ecological closing structure according to claim 9, which is characterized in that the thickness of the furrow bank Degree is 30cm, is higher than other side 50cm close to the interior side elevation of landfill material, the collection pipe is DN100 PVC tube having holes, described Filter layer is graded gravel laying, and graded gravel diameter is 20 ~ 40mm, filters layer height 30cm.
CN201710408177.9A 2017-06-02 2017-06-02 Three-dimensional environmental protection complex ecological closing structure Pending CN109235505A (en)

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CN201710408177.9A CN109235505A (en) 2017-06-02 2017-06-02 Three-dimensional environmental protection complex ecological closing structure

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Application Number Priority Date Filing Date Title
CN201710408177.9A CN109235505A (en) 2017-06-02 2017-06-02 Three-dimensional environmental protection complex ecological closing structure

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Publication Number Publication Date
CN109235505A true CN109235505A (en) 2019-01-18

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111943433A (en) * 2020-08-11 2020-11-17 湖南艾布鲁环保科技股份有限公司 Underground drinking water source protection and pollution prevention and control system and method
CN113814266A (en) * 2021-09-13 2021-12-21 生态环境部华南环境科学研究所 Reclaimed aluminum pile point soil pollution risk management and control method based on vertical barrier

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111943433A (en) * 2020-08-11 2020-11-17 湖南艾布鲁环保科技股份有限公司 Underground drinking water source protection and pollution prevention and control system and method
CN113814266A (en) * 2021-09-13 2021-12-21 生态环境部华南环境科学研究所 Reclaimed aluminum pile point soil pollution risk management and control method based on vertical barrier

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