CN104652581B - Multi-stage slope anchoring structure for realizing rainwater and sewage separation - Google Patents

Multi-stage slope anchoring structure for realizing rainwater and sewage separation Download PDF

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Publication number
CN104652581B
CN104652581B CN201510039566.XA CN201510039566A CN104652581B CN 104652581 B CN104652581 B CN 104652581B CN 201510039566 A CN201510039566 A CN 201510039566A CN 104652581 B CN104652581 B CN 104652581B
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China
Prior art keywords
hdpe
cast
anchoring
layer
platform
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Expired - Fee Related
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CN201510039566.XA
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Chinese (zh)
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CN104652581A (en
Inventor
杜新辉
刘杰
杨菲
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BEIJING TRUHERO ENVIRONMENTAL PROTECTION TECHNOLOGY Co Ltd
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BEIJING TRUHERO ENVIRONMENTAL PROTECTION TECHNOLOGY Co Ltd
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Priority to CN201510039566.XA priority Critical patent/CN104652581B/en
Publication of CN104652581A publication Critical patent/CN104652581A/en
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Publication of CN104652581B publication Critical patent/CN104652581B/en
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Abstract

The invention discloses a multi-stage slope anchoring structure for realizing rainwater and sewage separation, which is suitable for a multi-layer anti-seepage structure. The multi-stage slope anchoring structure is characterized in that an anchoring ditch is sequentially provided with a slope substrate (1), a sodium bentonite blanket (2), a first-layer HDPE (High-Density Polyethylene) anti-seepage film (3), a composite drainage net (4), a second-layer HDPE anti-seepage film (5), non-woven geotextile (6), cast-in-place concrete backfill materials (11), an HDPE screen pipe (9) and a crushed stone flow guiding layer (7) from bottom to top; the width and the height of the anchoring ditch are both greater than or equal to 800 mm, the height of concrete poured at the bottom part of the anchoring ditch is greater than or equal to 300 mm, and thus the cast-in-place concrete backfill materials (11) are formed; square brick protection layers (10) are arranged at two sides of the anchoring ditch above the cast-in-place concrete backfill materials (11) in a piling way until the height of a platform is reached; the HDPE screen pipe (9) is arranged above the cast-in-place concrete backfill materials (11) of the anchoring ditch and in the square brick protection layers (10) at two sides of the anchoring ditch, the crushed flow guiding layer (7) is paved until the height of the platform is reached, the multi-stage slope anchoring structure is used for guiding and discharging rainfall flood when a piled body is not buried to reach the platform, and the multi-stage slope anchoring structure is used for guiding and discharging leachate when the piled body is buried to reach the platform.

Description

Realize the Slope with multi-step anchor structure of the dirty shunting of rain
Technical field
The present invention relates to realizing the Slope with multi-step anchor structure of the dirty shunting of rain, it is particularly suited for the landfill having Slope with multi-step The seepage control project of the solid waste landfills such as field, stope, Tailings Dam, Hui Chang, red mud dump, slag field.
Background technology
Now China's solid waste filling, the disposal banked up etc. when, store up the poisonous and harmful substance of generation for a long time Soil can be entered in modes such as percolates, direct consequence is to lead to underground water pollution.Seepage control project is directed to the place of solid waste Put this situation, it is to avoid pollutant enter earth's surface.Common impervious material mostly is based on hdpe antiseepage film, carries out at side slope Anchoring is it is ensured that the steadiness of seepage prevention system.Inside presently relevant technical specification and standard, the anchor Design of slope anchored platform is: The impervious material of slope is laid to anchoring groove side 1/3 farther out, and the impervious material extruding of upper side slope is soldered on platform Slope impervious material above, this design be only used for the hdpe antiseepage film containing only a layer monolayer leakage preventing structure it is impossible to It is applied to the structure containing multilamellar hdpe antiseepage film, i.e. multilamellar leakage preventing structure.
The landfill yard of setting Slope with multi-step, stope, Tailings Dam, Hui Chang, red mud dump, slag field etc., place is larger, more Consider the dirty shunting of rain.First, the anti-design of drainning off floodwaters such as Cut-off ditch, it is possible to increase the stability of reservoir area.Secondly, it is possible to reduce percolate Deng sewage load.And the rain such as Cut-off ditch dirt diversion design and anchoring groove when depositing, difficulty of construction is big, high cost.
For two above problem, the Slope with multi-step anchor structure that the dirty shunting of rain is realized in present invention research is necessary.
Content of the invention
The technical problem to be solved in the present invention is that the solid waste landfill seepage control project for multilamellar leakage preventing structure provides realization The Slope with multi-step anchor structure of the dirty shunting of rain, when waste height is less than plain stage of slope height as Cut-off ditch, with rainwater outside the venue Pipeline connects, and intercepts precipitation, prevents hillslope runoff from entering reservoir area;When waste height exceedes podium level, lead as percolate Row's passage is incorporated to percolate and processes pipe network, improves the derivation ability of percolate.
The technical solution adopted for the present invention to solve the technical problems is: realizes the Slope with multi-step anchoring knot of the dirty shunting of rain Structure, it is adaptable to multilamellar leakage preventing structure, sequentially consists of at anchoring groove: side slope substrate (1), sodium bentonite blanket (2), the One layer of hdpe antiseepage film (3), composite drainage network (4), second layer hdpe antiseepage film (5), non-woven geotextile (6), cast-in-place concrete Backfilling material (11), hdpe floral tube (9) and rubble guide layer (7).
Anchoring groove is arcuate structure (8) apart from plain stage of slope edge >=800mm, antiseepage layer material turning point.
Anchoring groove width and highly all >=800mm, in anchoring groove bottom casting concrete height >=300mm, form cast-in-place Concrete backfill material (11).
Anchoring groove both sides above cast-in-place concrete backfilling material (11), pile up square brick protective layer (10) high to platform Degree.
Above anchoring groove cast-in-place concrete backfilling material (11) and in both sides square brick protective layer (10), place hdpe floral tube (9), laying rubble guide layer (7), to podium level, is used for guide rain flood, when heap body is filled out when heap body does not fill to podium level It is used for guide percolate when burying to platform.
The impervious barrier material-paving of upper side slope, to above slope antiseepage layer material, is taken at anchoring groove with upper plain stage of slope Integrally welded after connecing.
The beneficial effect of present invention setting is: for the landfill seepage control project of the solid containing Slope with multi-step anchored platform, if Count a kind of multilamellar leakage preventing structure also anchor structure applicatory, realize the dirty shunting of rain.
Brief description
The present invention is described in further detail below in conjunction with the accompanying drawings:
Fig. 1 is the Slope with multi-step anchor structure cross-sectional schematic that the present invention realizes the dirty shunting of rain.
In figure 1. side slope substrate, 2. sodium bentonite blanket, 3. ground floor hdpe antiseepage film, 4. composite drainage network, 5. second Layer hdpe antiseepage film, 6. non-woven geotextile, 7. rubble guide layer, 8. arcuate structure, 9.hdpe floral tube, 10. square brick protective layer, 11. cast-in-place concrete backfilling materials.
Specific embodiment
The present invention realizes the Slope with multi-step anchor structure of the dirty shunting of rain, excavation and anchorage ditch in Slope with multi-step anchored platform, Width >=800mm, highly >=800mm.
After basal plane acceptance(check), in side slope substrate (1) upper laying two-layer barrier structure, from bottom to top it is followed successively by: sodio is swollen The native blanket (2) of profit, ground floor hdpe antiseepage film (3), composite drainage network (4), second layer hdpe antiseepage film (5), non-woven geotextile (6).
The two-layer barrier structure of slope, from the beginning of at the platform of upper side slope toe, is laid downwards to anchoring groove bottom Lay platform afterwards upwards and then to slope, leakage preventing structure is in anchoring groove both sides turning point all using arcuate structure (8).
In anchoring groove underfill cast-in-place concrete backfilling material (1) of laying two-layer barrier structure, casting concrete is high Degree is not less than 300mm.
The antiseepage Rotating fields of upper side slope overlap above the slope impervious barrier to toe platform, integrally welded.
Above the internal cast-in-place concrete backfilling material (1) of anchoring groove, along anchoring groove both sides, pile up the protection of width square brick Layer (10) is extremely flushed with slope anchorage platform.
Hdpe floral tube (9) is placed in the groove that square brick protective layer (10) and cast-in-place concrete backfilling material (11) are formed.
Fill up rubble guide layer (7) in the anchoring groove of laying hdpe floral tube (9).
When solid waste landfill height does not reach podium level, hdpe floral tube (9) is connected with drainage system outside the venue, as Cut-off ditch, retention slope head flowing water, guide rainwash and surface rain flood, reduce percolate treating capacity.
When solid waste landfill is to above platform, waste of banking up after laying sand pocket on leakage preventing structure, by hdpe floral tube (9) It is connected with percolate guide system, for the percolate of heap body above guide.

Claims (1)

1. realize the Slope with multi-step anchor structure of the dirty shunting of rain, it is characterized in that: be applied to multilamellar leakage preventing structure, at anchoring groove from Under supreme be followed successively by: side slope substrate (1), sodium bentonite blanket (2), ground floor hdpe antiseepage film (3), composite drainage network (4), Two layers of hdpe antiseepage film (5), non-woven geotextile (6), cast-in-place concrete backfilling material (11), hdpe floral tube (9) and rubble water conservancy diversion Layer (7), in anchoring groove bottom casting concrete, the anchoring groove both sides above cast-in-place concrete backfilling material (11), the side of piling up Brick protective layer (10) to podium level, above anchoring groove cast-in-place concrete backfilling material (11) and both sides square brick protective layer (10) Interior, place hdpe floral tube (9), laying rubble guide layer (7), to podium level, is used for guide rain when heap body does not fill to platform Flood, is used for guide percolate when on heap body filling to platform.
CN201510039566.XA 2015-01-27 2015-01-27 Multi-stage slope anchoring structure for realizing rainwater and sewage separation Expired - Fee Related CN104652581B (en)

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Families Citing this family (1)

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Publication number Priority date Publication date Assignee Title
CN105019539A (en) * 2015-08-03 2015-11-04 中国市政工程西北设计研究院有限公司 System for shunting rainwater and sewage in reservoir area above crest elevation of valley type refuse landfill

Citations (1)

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Publication number Priority date Publication date Assignee Title
CN204626610U (en) * 2015-01-27 2015-09-09 北京锄禾环保技术有限公司 A kind of Slope with multi-step anchor structure realizing rain dirt shunting

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Publication number Priority date Publication date Assignee Title
DE3815232C1 (en) * 1988-05-05 1989-01-05 Hans Brochier Gmbh & Co, 8500 Nuernberg, De Pipe-widening apparatus, in particular for disposal lines in refuse landfills
AT202767T (en) * 1995-04-20 2001-07-15 Egner Umwelttech Gmbh METHOD AND DEVICE FOR TREATING MATERIALS FROM THE MECHANICAL CLEANING STAGE OF A WASTEWATER PLANT
CN201459746U (en) * 2009-07-16 2010-05-12 中国水电顾问集团华东勘测设计研究院 Underground water guiding and draining structure of anchoring groove position of landfill site
CN101936013B (en) * 2010-09-07 2012-04-18 中国市政工程西北设计研究院有限公司 Base rock side slope middle seepage preventing layer anchoring structure of steep and hard rock double-layer seepage preventing structure
CN103835317A (en) * 2011-12-27 2014-06-04 杭州千禧环保科技有限公司 Refuse landfill seepage-proofing guide drainage system structure and laying method thereof
CN202755438U (en) * 2012-08-21 2013-02-27 上海市城市建设设计研究总院 Integrative structure with functions of anchoring, drainage and flood interception in refuse landfill

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Publication number Priority date Publication date Assignee Title
CN204626610U (en) * 2015-01-27 2015-09-09 北京锄禾环保技术有限公司 A kind of Slope with multi-step anchor structure realizing rain dirt shunting

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