CN105926645A - Ecological restoration method for construction refuse landfill - Google Patents

Ecological restoration method for construction refuse landfill Download PDF

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Publication number
CN105926645A
CN105926645A CN201610270061.9A CN201610270061A CN105926645A CN 105926645 A CN105926645 A CN 105926645A CN 201610270061 A CN201610270061 A CN 201610270061A CN 105926645 A CN105926645 A CN 105926645A
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layer
building waste
landfill
waste
construction refuse
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CN201610270061.9A
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CN105926645B (en
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谢铁冬
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谢铁冬
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00Excavations; Bordering of excavations; Making embankments
    • E02D17/20Securing of slopes or inclines
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00Excavations; Bordering of excavations; Making embankments
    • E02D17/18Making embankments, e.g. dikes, dams
    • 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

Abstract

The invention relates to the technical field of landfill, in particular to an ecological restoration method for a construction refuse landfill. The ecological restoration method comprises the steps of A, selecting the landfill; B, constructing a rainwater drainage ditch in the top of a high slope; C, filling the landfill with construction refuse for forming a construction refuse layer, laying a composite non-woven fabric layer on the upper surface of the construction refuse layer after construction refuse with the thickness reaching H meters is accumulated, continuously filling the landfill with the construction refuse and repeating the operation of filling the landfill with the construction refuse until filling-in is completed; D, laying a soil layer on the upper surface of the construction refuse layer at the top layer after filling-in of the construction refuse is completed; and E, planting plants on the soil layer and arranging a drainage ditch in the edge of the soil layer for draining rainwater out of the landfill. According to the ecological restoration method, landfill of the construction refuse can be completed well, the hidden danger of landslides or debris flow is avoided, and the surface of the construction refuse landfill can be ecologically restored and is prevented from being damaged.

Description

A kind of ecological restoring method of Waste Landfill Site
Technical field
The present invention relates to garbage loading embeading technical field, be specifically related to the ecological restoring method of a kind of Waste Landfill Site.
Background technology
Along with the further development of China's economic, the construction progress of the urbanization of China is accelerated the most further, but Creating substantial amounts of building waste in the middle of the carrying out of Rapid-Urbanization, the most appropriate building waste of handling well becomes current society One of difficult problem of meeting.Building waste contains substantial amounts of sandstone and loose earth, and random heap buried exists generation landslide Or the hidden danger of mud-stone flow disaster.Such as landslide, Shenzhen event occurred for 2015, the building waste of heap buried is the most long After depositing, groundwater infiltration enters the bottom of heap buried field, and the rainwater at top, heap buried field flows into the building rubbish piled up from top simultaneously Inside rubbish, the earth in building waste constantly drinks up the rain and subsoil water, finally develops into mud, and then result in building waste The structure enabling capabilities of heap buried field bottom declines, and directly causes landslide.Therefore, how to avoid situation about being similar to occur, be Existing market urgent problem.
Summary of the invention
In order to overcome shortcoming and defect present in prior art, it is an object of the invention to provide a kind of building waste and fill out Burying the ecological restoring method of field, the method can complete the landfill of building waste well, there is not generation landslide simultaneously Or the hidden danger of mud-rock flow, and the present invention can carry out restoration of the ecosystem to the surface of Waste Landfill Site, it is to avoid building waste The surface of landfill yard is destroyed.
The purpose of the present invention is achieved through the following technical solutions: the ecological restoring method of a kind of Waste Landfill Site, bag Include following steps: A, choose middle low periphery and there is the place of Gao Po as landfill place;B, build rainwater at the top of Gao Po Rainwater is drained into outside landfill place by drain irrigation canals and ditches;C, to landfill place in insert building waste formed building waste layer, often After inserting the building waste that H rice is thick, the upper surface at building waste layer lays one layer of composite non woven layer of cloth, then proceedes to insert and builds Building refuse, inserts building waste and so forth, until having inserted;D, building waste inserted after at the superiors' building waste The upper surface of layer lays soil horizon;E, plant vegetation at soil horizon, and drain canal is set at edaphic edge rainwater is drawn Flow to fill outside place.
Composite non woven layer of cloth, composite non woven layer of cloth is had to have good hydrophobic permeable between the present invention each building waste layer Can, the rainwater on upper strata 80% cannot enter to be positioned at the building waste layer below composite non woven layer of cloth through compound nonwoven cloth sulfate layer flows downhill In, the subsoil water of 80% also cannot pass through composite non woven layer of cloth and flows upwardly in building waste layer simultaneously, thus effectively maintains Being dried of building waste layer, the earth in building waste will not develop into mud, and long-term guarantee bottom building waste layer has good Good support force, thus avoid the generation of landslide or mud-rock flow;The present invention builds rainwater at the top at Gao Po and draws simultaneously Stream irrigation canals and ditches, it is possible to the rainwater being effectively prevented from surrounding is flowed in building waste heap buried field, effectively reduces rainwater pair Impact in building waste heap buried field;The present invention surface configuration exposed in building waste heap buried field has soil horizon, simultaneously at soil Earth layer plantation vegetation, it is possible to play the effect of solid soil, and the restoration of the ecosystem on top layer, building waste heap buried field, vegetation simultaneously can be accelerated The rainwater of part can be blocked, it is to avoid rainwater direct erosion damage soil horizon;The permeability energy that composite non woven layer of cloth is good Enough ensure that each building waste layer is contained within plentiful air, for the microbe survival in building waste stack layers, purify building waste, Accelerate the inside restoration of the ecosystem of Waste Landfill Site.
Preferably, when the high slope in selected landfill place be non-entirely enclose shape time, building waste layer has exposed side Face, then in described step C, every layer of building waste layer filled after this building waste layer exposed sides lay anti-water and soil Work cloth, the exposed sides of each building waste layer connects formation slope;Described step D is further comprising the steps of: removes and is laid on respectively The waterproof geotextiles of the exposed sides of building waste layer, the exposed sides at each building waste layer lays soil horizon.At building rubbish During the landfill of rubbish, the exposed sides at building waste layer lays waterproof geotextiles, it is possible to prevent at building waste landfill During, exposed side receives rainwash.
Preferably, described composite non woven layer of cloth is made up of non-woven fabrics and the high-strength fiber glass net being arranged at nonwoven surface.High Strong glass fiber net has good support strength, it is possible to effectively protect non-woven fabrics, it is to avoid non-woven fabrics is damaged thus causes compound nothing The water repellency spinning layer of cloth declines.
Preferably, the H size in described step C is 1-1.5.The size of H is reasonable in design, the too small then composite non woven layer of cloth of H Density excessive, construction cost increase, H is excessive, then the density of composite non woven layer of cloth is too small, and the entirety of Waste Landfill Site is refused Water hydraulic performance decline, it is impossible to the long-term drying property keeping building waste good.
Preferably, described edaphic soil is made up of the raw material of following weight portion: natural earth 100-150 part, biogas residue 20-30 part, cinder 20-40 part, plant ash or wood ash 5-10 part, compound fertilizer's 1-3 part.The edaphic soil constituent design of the present invention Rationally, it is beneficial to be planted in edaphic vegetation fast-growth, accelerates the restoration of the ecosystem of Waste Landfill Site.
Being more highly preferred to, described edaphic soil is made up of the raw material of following weight portion: natural earth 100-130 part, Biogas residue 20-25 part, cinder 20-30 part, plant ash or wood ash 5-8 part, compound fertilizer's 1-2 part.The edaphic soil constituent of the present invention Reasonable in design, it is beneficial to be planted in edaphic vegetation fast-growth, accelerates the restoration of the ecosystem of Waste Landfill Site.
Being more highly preferred to, described edaphic soil is made up of the raw material of following weight portion: natural earth 130-150 part, Biogas residue 25-30 part, cinder 30-40 part, plant ash or wood ash 8-10 part, compound fertilizer's 2-3 part.The edaphic soil constituent of the present invention Reasonable in design, it is beneficial to be planted in edaphic vegetation fast-growth, accelerates the restoration of the ecosystem of Waste Landfill Site.
Highly preferred, described edaphic soil is made up of the raw material of following weight portion: 125 parts of natural earth, biogas residue 25 parts, cinder 30 parts, plant ash or wood ash 8 parts, compound fertilizer 2 parts.The edaphic soil constituent of the present invention is reasonable in design, is beneficial to plant It is implanted in edaphic vegetation fast-growth, accelerates the restoration of the ecosystem of Waste Landfill Site.
Preferably, in described step E, the plant of plantation is cercis tree, Casuarina equisetifolia L., Caulis Miscanthis floriduli and Bermuda grass, cercis tree, Casuarina equisetifolia L. and Caulis Miscanthis floriduli all use the planting patterns of equidistant plantation, and the distance of two adjacent cercis trees is 3-5m, adjacent two The distance of Casuarina equisetifolia L. is 2-3m, and the distance of two adjacent bundle Caulis Miscanthis floridulis is 0.7-1.2m, has planted cercis tree, Casuarina equisetifolia L. and perfume (or spice) Space plantation Bermuda grass turf after root grass.The vegetation collocation of the present invention selects rationally, plantation early stage cercis tree and Casuarina equisetifolia L. The speed of growth of root relatively slow, but the root growth of Caulis Miscanthis floriduli and Bermuda grass is very fast, it is possible to protect soil well Layer;After the root growth of cercis tree and Casuarina equisetifolia L. gets up, it is possible to effectively reinforce soil horizon, and cercis tree and the root of Casuarina equisetifolia L. Portion is flourishing, it is possible to extends into building waste layer, completes the surface reconditioning of Waste Landfill Site well.
The beneficial effects of the present invention is: between the present invention each building waste layer, have composite non woven layer of cloth, compound nonwoven cloth Layer has good hydrophobic permeable performance, and the rainwater on upper strata 80% cannot enter be positioned at composite non woven through compound nonwoven cloth sulfate layer flows downhill In building waste layer below layer of cloth, the subsoil water of 80% also cannot pass through composite non woven layer of cloth and flows upwardly into building waste simultaneously In layer, thus effectively maintaining being dried of building waste layer, the earth in building waste will not develop into mud, ensures for a long time Bottom building waste layer has good support force, thus avoids the generation of landslide or mud-rock flow;Simultaneously the present invention Rainwater drain irrigation canals and ditches are built at the top of Gao Po, it is possible to the rainwater being effectively prevented from surrounding is flowed into building waste heap buried field In, effectively reduce the rainwater impact for building waste heap buried field;The surface that the present invention is exposed in building waste heap buried field It is provided with soil horizon, plants vegetation at soil horizon, it is possible to play the effect of solid soil, and building waste heap buried field table can be accelerated simultaneously The restoration of the ecosystem of layer, vegetation can block the rainwater of part simultaneously, it is to avoid rainwater direct erosion damage soil horizon;Composite non woven The permeability that layer of cloth is good ensure that each building waste layer is contained within plentiful air, for the micro-life in building waste stack layers Thing is survived, and purifies building waste, accelerates the inside restoration of the ecosystem of Waste Landfill Site.
Detailed description of the invention
For the ease of the understanding of those skilled in the art, below in conjunction with embodiment, the present invention is further illustrated, real The content that the mode of executing is mentioned not limitation of the invention.
Embodiment 1
The ecological restoring method of a kind of Waste Landfill Site, comprises the following steps: A, chooses middle low periphery and has Gao Po's Place is as landfill place;B, the top of Gao Po build rainwater drain irrigation canals and ditches rainwater is drained into landfill place outside;C, to Inserting building waste in landfill place and form building waste layer, that often inserts after the building waste that H rice is thick at building waste layer is upper One layer of composite non woven layer of cloth is laid on surface, then proceedes to insert building waste, inserts building waste and so forth, until having inserted Become;D, building waste inserted after the superiors' building waste layer upper surface lay soil horizon;E, plant at soil horizon Quilt, and edaphic edge arrange drain canal rainwater is drained into landfill place outside.
When the high slope in selected landfill place be non-entirely enclose shape time, building waste layer has exposed side, then exists In described step C, every layer of building waste layer filled after this building waste layer exposed sides lay waterproof geotextiles, respectively The exposed sides of building waste layer connects formation slope;Described step D is further comprising the steps of: removes and is laid on each building waste The waterproof geotextiles of the exposed sides of layer, the exposed sides at each building waste layer lays soil horizon.
Described composite non woven layer of cloth is made up of non-woven fabrics and the high-strength fiber glass net being arranged at nonwoven surface.
H size in described step C is 1.
Described edaphic soil is made up of the raw material of following weight portion: 100 parts of natural earth, biogas residue 20 parts, cinder 20 Part, plant ash or wood ash 5 parts, compound fertilizer 1 part.
In described step E plantation plant be cercis tree, Casuarina equisetifolia L., Caulis Miscanthis floriduli and Bermuda grass, cercis tree, Casuarina equisetifolia L. and Caulis Miscanthis floriduli all uses the planting patterns of equidistant plantation, and the distance of two adjacent cercis trees is 3m, two adjacent Casuarina equisetifolia L.s Distance is 2m, and the distance of two adjacent bundle Caulis Miscanthis floridulis is 0.7m, has planted the plantation of the space after cercis tree, Casuarina equisetifolia L. and Caulis Miscanthis floriduli Bermuda grass turf.
Embodiment 2
The present embodiment is with the difference of embodiment 1:
Described composite non woven layer of cloth is made up of non-woven fabrics and the high-strength fiber glass net being arranged at nonwoven surface.
H size in described step C is 1.2.
Described edaphic soil is made up of the raw material of following weight portion: 110 parts of natural earth, biogas residue 22 parts, cinder 25 Part, plant ash or wood ash 6 parts, compound fertilizer 1.5 parts.
In described step E plantation plant be cercis tree, Casuarina equisetifolia L., Caulis Miscanthis floriduli and Bermuda grass, cercis tree, Casuarina equisetifolia L. and Caulis Miscanthis floriduli all uses the planting patterns of equidistant plantation, and the distance of two adjacent cercis trees is 3.5m, two adjacent Casuarina equisetifolia L.s Distance be 2.2m, the distance of adjacent two bundle Caulis Miscanthis floridulis is 0.8m, has planted the space after cercis tree, Casuarina equisetifolia L. and Caulis Miscanthis floriduli Plantation Bermuda grass turf.
Embodiment 3
The present embodiment is with the difference of embodiment 1:
Described composite non woven layer of cloth is made up of non-woven fabrics and the high-strength fiber glass net being arranged at nonwoven surface.
H size in described step C is 1.3.
Described edaphic soil is made up of the raw material of following weight portion: 130 parts of natural earth, biogas residue 25 parts, cinder 30 Part, plant ash or wood ash 7 parts, compound fertilizer 2 parts.
In described step E plantation plant be cercis tree, Casuarina equisetifolia L., Caulis Miscanthis floriduli and Bermuda grass, cercis tree, Casuarina equisetifolia L. and Caulis Miscanthis floriduli all uses the planting patterns of equidistant plantation, and the distance of two adjacent cercis trees is 4m, two adjacent Casuarina equisetifolia L.s Distance is 2.5m, and the distance of two adjacent bundle Caulis Miscanthis floridulis is 0.9m, has planted the space kind after cercis tree, Casuarina equisetifolia L. and Caulis Miscanthis floriduli Plant Bermuda grass turf.
Embodiment 4
The present embodiment is with the difference of embodiment 1:
Described composite non woven layer of cloth is made up of non-woven fabrics and the high-strength fiber glass net being arranged at nonwoven surface.
H size in described step C is 1.5.
Described edaphic soil is made up of the raw material of following weight portion: 150 parts of natural earth, biogas residue 30 parts, cinder 40 Part, plant ash or wood ash 10 parts, compound fertilizer 3 parts.
In described step E plantation plant be cercis tree, Casuarina equisetifolia L., Caulis Miscanthis floriduli and Bermuda grass, cercis tree, Casuarina equisetifolia L. and Caulis Miscanthis floriduli all uses the planting patterns of equidistant plantation, and the distance of two adjacent cercis trees is 5m, two adjacent Casuarina equisetifolia L.s Distance is 3m, and the distance of two adjacent bundle Caulis Miscanthis floridulis is 1.2m, has planted the plantation of the space after cercis tree, Casuarina equisetifolia L. and Caulis Miscanthis floriduli Bermuda grass turf.
Above-described embodiment is the present invention preferably implementation, and in addition, the present invention can realize with alternate manner, Without departing from obvious replacement any on the premise of present inventive concept all within protection scope of the present invention.

Claims (6)

1. the ecological restoring method of a Waste Landfill Site, it is characterised in that: comprise the following steps: A, choose middle low week While there is the place of Gao Po as landfill place;B, build rainwater drain irrigation canals and ditches at the top of Gao Po rainwater is drained into landfill yard Outside ground;C, in landfill place, insert building waste form building waste layer, often insert after the building waste that H rice is thick in building The upper surface of waste layer lays one layer of composite non woven layer of cloth, then proceedes to insert building waste, inserts building waste and so forth, Until having inserted;D, building waste inserted after the superiors' building waste layer upper surface lay soil horizon;E, at soil Earth layer plantation vegetation, and edaphic edge arrange drain canal rainwater is drained into landfill place outside.
The ecological restoring method of a kind of Waste Landfill Site the most according to claim 1, it is characterised in that: when selected The high slope in landfill place be non-when entirely enclosing shape, building waste layer has exposed side, then in described step C, every layer Building waste layer lays waterproof geotextiles, each building waste layer exposed in the exposed sides of this building waste layer after having filled Side connects formation slope;Described step D is further comprising the steps of: removal is laid on the anti-of the exposed sides of each building waste layer Water geotextiles, the exposed sides at each building waste layer lays soil horizon.
The ecological restoring method of a kind of Waste Landfill Site the most according to claim 1, it is characterised in that: described compound Nonwoven layer is made up of non-woven fabrics and the high-strength fiber glass net being arranged at nonwoven surface.
The ecological restoring method of a kind of Waste Landfill Site the most according to claim 1, it is characterised in that: described step H size in C is 1-1.5.
The ecological restoring method of a kind of Waste Landfill Site the most according to claim 2, it is characterised in that: described soil The soil of layer is made up of the raw material of following weight portion: natural earth 100-150 part, biogas residue 20-30 part, cinder 20-40 part, plant ash Or wood ash 5-10 part, compound fertilizer's 1-3 part.
The ecological restoring method of a kind of Waste Landfill Site the most according to claim 2, it is characterised in that: described step In E, the plant of plantation is cercis tree, Casuarina equisetifolia L., Caulis Miscanthis floriduli and Bermuda grass, and cercis tree, Casuarina equisetifolia L. and Caulis Miscanthis floriduli all use equidistantly The planting patterns of plantation, the distance of two adjacent cercis trees is 3-5m, and the distance of two adjacent Casuarina equisetifolia L.s is 2-3m, adjacent Two bundle Caulis Miscanthis floridulis distances be 0.7-1.2m, planted the space after cercis tree, Casuarina equisetifolia L. and Caulis Miscanthis floriduli plant Bermuda grass Turf.
CN201610270061.9A 2016-04-27 2016-04-27 A kind of ecological restoring method of Waste Landfill Site Active CN105926645B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107339006A (en) * 2017-07-14 2017-11-10 光大环保技术研究院(南京)有限公司 A kind of method recycled after refuse landfill reparation
CN108018861A (en) * 2017-12-27 2018-05-11 大连地拓环境科技有限公司 A kind of method of abandoned mine refuse dump ecological revetment
CN109089763A (en) * 2018-08-24 2018-12-28 广西能创农业集团有限公司 A method of restoring vegetation in garbage landfill field using old rubbish is filled

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Publication number Priority date Publication date Assignee Title
KR100667458B1 (en) * 2006-03-24 2007-01-10 수도권매립지관리공사 Waste reclamation facilities and method which recycles cover material
CN101054804A (en) * 2006-04-14 2007-10-17 龙岳林 Method for building garbage landfill field and the landfill field
CN102652480A (en) * 2012-04-26 2012-09-05 北京北林绿源生态技术研究院有限责任公司 Vegetation recovery method for acid metal mine solid waste stock dump
CN105201024A (en) * 2015-09-17 2015-12-30 中国市政工程西北设计研究院有限公司 HDPE (High-Density PolyEthylene) membrane rain sewage diversion drainage canal for refuse landfill

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100667458B1 (en) * 2006-03-24 2007-01-10 수도권매립지관리공사 Waste reclamation facilities and method which recycles cover material
CN101054804A (en) * 2006-04-14 2007-10-17 龙岳林 Method for building garbage landfill field and the landfill field
CN102652480A (en) * 2012-04-26 2012-09-05 北京北林绿源生态技术研究院有限责任公司 Vegetation recovery method for acid metal mine solid waste stock dump
CN105201024A (en) * 2015-09-17 2015-12-30 中国市政工程西北设计研究院有限公司 HDPE (High-Density PolyEthylene) membrane rain sewage diversion drainage canal for refuse landfill

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107339006A (en) * 2017-07-14 2017-11-10 光大环保技术研究院(南京)有限公司 A kind of method recycled after refuse landfill reparation
CN108018861A (en) * 2017-12-27 2018-05-11 大连地拓环境科技有限公司 A kind of method of abandoned mine refuse dump ecological revetment
CN109089763A (en) * 2018-08-24 2018-12-28 广西能创农业集团有限公司 A method of restoring vegetation in garbage landfill field using old rubbish is filled

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