CN108580503B - Large garbage pile slope shaping construction method - Google Patents
Large garbage pile slope shaping construction method Download PDFInfo
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- CN108580503B CN108580503B CN201711464419.2A CN201711464419A CN108580503B CN 108580503 B CN108580503 B CN 108580503B CN 201711464419 A CN201711464419 A CN 201711464419A CN 108580503 B CN108580503 B CN 108580503B
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- pile
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- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 106
- 238000010276 construction Methods 0.000 title claims abstract description 57
- 238000007493 shaping process Methods 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 19
- 239000004575 stone Substances 0.000 claims abstract description 17
- 230000008569 process Effects 0.000 claims abstract description 13
- 238000004873 anchoring Methods 0.000 claims abstract description 6
- 238000004806 packaging method and process Methods 0.000 claims abstract description 4
- 239000010865 sewage Substances 0.000 claims description 12
- 238000009412 basement excavation Methods 0.000 claims description 7
- 238000004332 deodorization Methods 0.000 claims description 6
- 238000013461 design Methods 0.000 claims description 6
- 239000004698 Polyethylene Substances 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 230000002411 adverse Effects 0.000 claims description 2
- 230000001877 deodorizing effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 claims description 2
- -1 polyethylene Polymers 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 claims description 2
- 239000004576 sand Substances 0.000 claims description 2
- 238000004062 sedimentation Methods 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 238000012360 testing method Methods 0.000 claims description 2
- 238000012546 transfer Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 230000037303 wrinkles Effects 0.000 claims description 2
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 239000002574 poison Substances 0.000 claims 1
- 231100000614 poison Toxicity 0.000 claims 1
- 230000002265 prevention Effects 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B1/00—Dumping solid waste
- B09B1/004—Covering of dumping sites
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a large garbage pile slope shaping construction method which is characterized by comprising the following steps: A. transversely opening a film on the upper part of the garbage pile to separate the construction section from an upper surface film, then downwards opening the two ends of a transverse slot, and packaging and binding the separated films while opening the films on the two sides and transporting the films out of a construction area; B. excavating a garbage side slope longitudinally from outside to inside in the first construction section; C. laying and paving geogrids on the bottom layer of the garbage pit, and anchoring the geogrids by using U-shaped rivets; D. stacking bagged broken stones in the edge area of the garbage slope; E. and (3) backfilling the garbage, wrapping broken stone gunny bags by using a reverse geogrid at the edge of the garbage side slope, and connecting the upper and lower layers of tiled geogrids by using a connecting rod, so that a garbage side slope with high quality and strong stability is finally formed, the sustainable operation of a garbage landfill site is ensured, and the construction process is simple.
Description
Technical Field
The invention belongs to the landfill treatment of urban and town domestic garbage, and particularly relates to a shaping construction method for a large garbage pile side slope.
Background
With the development of urbanization in China, the living standard of people is remarkably improved, but the treatment of household garbage brought by urbanization becomes more and more troublesome. Generally, the household garbage is mainly treated by two treatment modes of landfill and incineration, wherein the landfill treatment is generally used due to low investment, simple process and large treatment capacity. In a large city, because land resources are rare and the landfill selecting points cannot be too far away, the land for domestic garbage landfill construction is very short, and the increase of the storage capacity of a domestic garbage landfill field by only opening up new land blocks becomes increasingly difficult. In a large landfill site built around a large city, in order to reduce the problems of landslide and environmental pollution caused by overhigh landfill, the slope angle around the general garbage heap is designed to be slow, the storage capacity is low after fresh garbage is settled for many years, and the waste of garbage site resources is serious.
Based on the method, in some big cities with very tense land, the peripheral slope angle of the garbage pile can be improved by trimming the garbage pile on the basis of the built garbage pile, meanwhile, the drainage facility of the garbage pile is perfected, the effective storage capacity of the original garbage landfill site is greatly improved, and the urban domestic fresh garbage can be landfilled on the trimmed garbage pile. However, the slope of the existing garbage pile is directly repaired, the slope sliding risk is easy to occur, the stability of the slope after the repair is difficult to guarantee, and the possibility of slope instability is increased by continuously burying garbage in the vacated effective storage capacity.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the large garbage pile side slope shaping construction method which can ensure the stability of the garbage pile after shaping, fully utilize land resources and shorten the construction period.
The invention adopts a technical scheme for realizing the aim that: 1. a large garbage pile slope shaping construction method is characterized by comprising the following steps: A. transversely opening a film on the upper part of the garbage pile to separate the construction section from an upper surface film, then downwards opening the two ends of a transverse slot, and packaging and binding the separated films while opening the films on the two sides and transporting the films out of a construction area; B. excavating a garbage side slope longitudinally from outside to inside in the first construction section; C. laying and paving geogrids on the bottom layer of the garbage pit, and anchoring the geogrids by using U-shaped rivets; D. stacking bagged broken stones in the edge area of the garbage slope; E. backfilling the garbage, wrapping broken stone gunny bags at the edge of the garbage slope by using a reverse geogrid, and connecting the upper and lower layers of tiled geogrids by using a connecting rod; F. and D, repeating the steps A to E until the whole garbage pile slope shaping construction operation is completed.
Further, the whole construction process adopts deodorization equipment for deodorization.
And a rain and sewage diversion measure is adopted in the whole construction process.
The grid is arranged in at least four rows, and each row is at least three.
The longitudinal placement depth of the bagged macadam is smaller than the length of the folded geogrid.
The invention has the beneficial effects that:
1. the special attributes of high garbage plasticity and large pulling force are fully utilized, the advantages of the tiled geogrid and bagged broken stones are integrated, a garbage side slope with high quality and strong stability is formed, the sustainable operation of a garbage landfill is ensured, and the construction process is simple.
2. The large garbage pile body side slope shaping construction reduces the construction cost of a newly-built landfill site, shortens the construction period and saves the construction land.
3. The slope is maintained on the original stale refuse pile, so that the effective storage capacity of the refuse landfill is greatly improved, and the pressure of the refuse surrounding is relieved.
Drawings
Fig. 1 is a schematic view of a large garbage heap slope.
Labeled as: 1-compacting the garbage; 2-spreading geogrids; 3-U-shaped rivets; 4-folding back the geogrid; 5-a geotechnical connecting rod; 6-bagged macadam.
Detailed Description
As shown in fig. 1, the schematic view of the large garbage pile slope shaping is composed of compacted garbage 1, a tiled geogrid 2, U-shaped rivets 3, a folded geogrid 4, a geotechnical connecting rod 5 and bagged broken stones 6. The compacted garbage 1 is placed on the fully-paved and tiled geogrid 2, and the compacted garbage pile body needs to be repeatedly rolled, so that the later-stage garbage settlement is reduced. The tiled geogrid 1 is fixed by U-shaped rivets 3 to prevent the grid from shifting. When the garbage pile body 1 is constructed and compacted, the bagged broken stones 6 at the edges are piled up at the same time, and the particle size of the broken stones is 5-16 mm. The upper portion of the compacted garbage 1 is folded back by a certain length to be paved with a geogrid 4, the folded-back geogrid 4 is reserved for the bottom of the compacted garbage 1, and bagged broken stones 6 are wrapped at the edge of the compacted garbage 1. The bottom tiled geogrid is linked with the upper tiled geogrid through the geotechnical connecting rod 5.
The large garbage pile slope shaping construction method comprises the following steps:
A. preparing before construction, comprising: the method comprises the following steps of deodorization equipment arrangement, rain and sewage diversion measure implementation, biogas odor monitoring and labor protection article wearing; the deodorizing device includes, but is not limited to, a defogging gun machine. The rain and sewage diversion measure means that the garbage and sewage are separated from rain water and are led into the percolate collecting tank through a special pipeline.
B. Uncovering the film: transversely opening a film on the upper part of the garbage pile to separate the construction section from an upper surface film, then downwards detaching the film at two ends of a transverse slot, packaging and binding the separated films while opening the films at two sides, and finally transferring the films out of a construction area; before the film is uncovered, the sand bags and the pipelines on the film are removed.
C. Excavating garbage: the method comprises the following steps that (1) excavated garbage is transported out in a first construction section, space is reserved for the layered backfilling of subsequent compacted garbage 1, garbage excavation is longitudinally excavated from outside to inside to form a garbage slope, and the excavation is filled with gas and gas for gas defense; garbage transfer adopts special garbage truck, prevents that rubbish sewage from polluting the road, and rubbish toward vertical excavation in-process lays the steel sheet case, guarantees to dig quick-witted operating space.
E. Construction of bagged broken stones 6: bagged broken stones 6 are stacked in the edge area of the garbage heap body to enhance the stability of the side slope; the placing angle of the bagged broken stones 6 is the same as the design angle of the side slope, and the longitudinal placing depth is smaller than the length of the folding geogrid 4.
F. Backfilling the garbage: and backfilling, leveling and compacting the garbage layer by layer. The compacted garbage 1 needs to meet the design compactness requirement, and the adverse effect caused by later-stage sedimentation of the garbage is reduced; and selecting the backfill garbage from the adjacent construction section, and pushing the backfill garbage from the top layer of the pile body to the construction area by adopting a special bulldozer when the backfill garbage is insufficient.
G. Repeating the process from the spreading of the geogrids 2 to the refuse backfill construction process, wrapping broken stone gunny bags at the edges by using a reverse geogrid 4 when a refuse side slope is finished, and connecting the upper and lower layers of the spread geogrids 2 by using a polyethylene geotechnical connecting rod 5;
H. and (3) covering the surface film in time when finishing a construction section to prevent rainwater from permeating the bare garbage pile and sewage from flowing outwards, and finally effectively connecting the construction sections to finish the shaping construction of the side slope of the large garbage pile. And a certain length of tiled geogrids is reserved between the adjacent construction sections for lap joint.
Claims (3)
1. A large garbage pile slope shaping construction method is characterized by comprising the following steps:
A. preparation work before construction, including: the method comprises the following steps of deodorization equipment arrangement, rain and sewage diversion measure implementation, biogas odor monitoring and labor protection article wearing; deodorizing devices include, but are not limited to, demisters; the rain and sewage diversion measure means that the garbage and sewage are separated from rain water and are led into a percolate collecting tank through a special pipeline;
B. uncovering the film: transversely opening a film on the upper part of the garbage pile to separate the construction section from an upper surface film, then downwards detaching the film at two ends of a transverse slot, packaging and binding the separated films while opening the films at two sides, and finally transferring the films out of a construction area; removing sand bags and pipelines on the film before uncovering the film;
C. excavating garbage: the method comprises the following steps that (1) excavated garbage is transported out in a first construction section, space is reserved for subsequent compacted garbage layered backfilling, garbage excavation is longitudinally excavated from outside to inside to form a garbage slope, and injection of gas and poison prevention is performed in the excavation; the garbage transfer adopts a special garbage truck to prevent garbage sewage from polluting roads, and a steel plate box is laid in the process of longitudinally excavating garbage to ensure the operation space of the excavator;
D. laying geogrids and constructing U rivets: after the garbage excavation in the first construction section is finished, repeatedly rolling the garbage on the bottom layer to meet the design requirement, laying and paving the geogrids, and anchoring the geogrids by using U-shaped rivets; the geogrid is laid and tensioned, so that the geogrid is smooth and is tightly attached to the ground without wrinkles, and when the earth covering is compacted, the construction machinery is not directly pushed on the geogrid; the number of the U-shaped anchors is determined according to field tests, each grid is provided with not less than 4 rows, each row is not less than 3, and the tiled geogrids are not damaged in the anchoring process;
E. construction of bagged broken stones: bagged broken stones are stacked in the edge area of the garbage heap body, so that the stability of the side slope is enhanced; the placing angle of the bagged broken stones is the same as the design angle of the side slope, and the longitudinal placing depth is smaller than the length of the folded geogrid;
F. backfilling the garbage: backfilling, leveling and compacting the garbage layer by layer; the compacted garbage meets the design compactness requirement, and the adverse effect caused by later-stage sedimentation of the garbage is reduced; selecting the backfill garbage from the adjacent construction section, and pushing the backfill garbage from the top layer of the pile body to a construction area by adopting a special bulldozer when the backfill garbage is insufficient;
G. repeatedly paving the geogrids till the garbage backfilling construction process, wrapping broken stone gunny bags at the edges by using the reverse geogrids when a garbage slope is finished, and connecting the upper and lower layers of the paved geogrids by using polyethylene geotechnical connecting rods;
H. when a construction section is completed, timely covering with a mask to prevent rainwater from permeating into the bare garbage pile and sewage from flowing outwards, and finally, effectively connecting the construction sections to complete the shaping construction of the side slope of the large garbage pile; and a tiled geogrid is reserved between adjacent construction sections for lap joint.
2. The large garbage pile slope shaping construction method according to claim 1, wherein the whole construction process adopts deodorization equipment for deodorization.
3. The large garbage pile slope shaping construction method according to claim 2, wherein a rain and sewage diversion measure is adopted in the whole construction process.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711464419.2A CN108580503B (en) | 2017-12-28 | 2017-12-28 | Large garbage pile slope shaping construction method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711464419.2A CN108580503B (en) | 2017-12-28 | 2017-12-28 | Large garbage pile slope shaping construction method |
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| CN108580503A CN108580503A (en) | 2018-09-28 |
| CN108580503B true CN108580503B (en) | 2021-11-05 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110420960A (en) * | 2019-05-14 | 2019-11-08 | 广州环投环境服务有限公司 | A kind of junk-heap body slope trimming method |
| CN110541420B (en) * | 2019-08-29 | 2021-03-02 | 南京大学 | Safe mining method and mining structure for valley type domestic garbage landfill |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204491634U (en) * | 2015-02-03 | 2015-07-22 | 深圳市胜义环保有限公司 | Landfill slopes protective layer structure |
| CN205421353U (en) * | 2015-11-25 | 2016-08-03 | 北京高能时代环境技术股份有限公司 | A seepage prevention structure that dilatation after is used for domestic waste sanitary landfills field to close |
| CN107152073A (en) * | 2017-06-09 | 2017-09-12 | 张诒治 | A kind of method that utilization rubbish repairs deserted mountain |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8845240B2 (en) * | 2009-12-08 | 2014-09-30 | Awt Ip, Llc | Berm and method of construction thereof |
| US8961073B2 (en) * | 2009-12-08 | 2015-02-24 | Awt Ip, Llc | System and method for strengthening a sloped structure such as a berm, basin, levee, embankment, or the like |
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- 2017-12-28 CN CN201711464419.2A patent/CN108580503B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204491634U (en) * | 2015-02-03 | 2015-07-22 | 深圳市胜义环保有限公司 | Landfill slopes protective layer structure |
| CN205421353U (en) * | 2015-11-25 | 2016-08-03 | 北京高能时代环境技术股份有限公司 | A seepage prevention structure that dilatation after is used for domestic waste sanitary landfills field to close |
| CN107152073A (en) * | 2017-06-09 | 2017-09-12 | 张诒治 | A kind of method that utilization rubbish repairs deserted mountain |
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