CN108221947A - Ultra-large type soot entirety drainage and construction method - Google Patents
Ultra-large type soot entirety drainage and construction method Download PDFInfo
- Publication number
- CN108221947A CN108221947A CN201711464410.1A CN201711464410A CN108221947A CN 108221947 A CN108221947 A CN 108221947A CN 201711464410 A CN201711464410 A CN 201711464410A CN 108221947 A CN108221947 A CN 108221947A
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- China
- Prior art keywords
- construction
- ultra
- drainage
- reinforcement cage
- large type
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- 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.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/10—Improving by compacting by watering, draining, de-aerating or blasting, e.g. by installing sand or wick drains
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/10—Improving by compacting by watering, draining, de-aerating or blasting, e.g. by installing sand or wick drains
- E02D3/106—Improving by compacting by watering, draining, de-aerating or blasting, e.g. by installing sand or wick drains by forming sand drains containing only loose aggregates
Abstract
The invention discloses a kind of ultra-large type soot entirety drainage and construction method, including：Double-layer combined Construction of Silo and multilayer packaging type blind ditch construction, realize ultra-large type soot vertically and horizontally, the depth layer method that synchronizes draining.The vertical shaft of the steel reinforcement cage of package tiling TGXG and the trepanning coating steel pipe composition of package geotextiles, it plays preferably fixed well head and improves drainage, the horizontal guide french drain being made of geomembrane, inflection TGXG, perforated pipe, deformability is strong, guide speed is fast, it is combined with double-layer combined vertical shaft, greatly improves refuse landfill drainage problem.
Description
Technical field
The invention belongs to cities and city life garbage burying field engineering, and it is whole to specifically relate to a kind of ultra-large type soot
Body drainage and construction method.
Background technology
Urban garbage disposal mainly has three ways, such as landfill, burning and compost, is applied wherein being handled with land-fill method
At most.In ultra-large type garbage loading embeading, due to filling task amount weight, the percolate accumulated daily is more, and discharge pressure is very big, such as
Fruit cannot effectively reduce leachate level, may lead to entire landfill yard unstability.Rubbish often occurs for traditional well-digging pump drainage technique
Rubbish silting leads to the problem of evacuation system inefficiency, and uses that other forms draining is not only costly, and difficulty of construction is big instead, efficiency
Also it is difficult to reach expected requirement.Intractable drainage problem causes refuse landfill to be difficult to continue expansion scale, and newly-built rubbish is filled out
It is difficult to promote again in addressing and expense to bury field.
For the entirety draining of ultra-large type soot there are the problem of, the present invention regarding to the issue above to existing construction technology into
Row improves, and forms a kind of completely new ultra-large type soot entirety drainage and construction method.
Invention content
In order to solve defect of the existing technology, present invention offer is a kind of effectively to reduce percolate from garbage filling field water
The stability of junk-heap body is improved in position, shortens the construction period, reduces the whole drainage construction side of refuse landfill operations risks
Method.
The present invention realizes that a kind of technical solution that above-mentioned purpose uses is：A kind of ultra-large type soot entirety drainage construction side
Method, including：Double-layer combined Construction of Silo and multilayer packaging type blind ditch construction.
Further, the double-layer combined Construction of Silo step is：First several proper alignments are drilled out in junk-heap body
Jing Dong；Then steel reinforcement cage is placed in each well hole, steel reinforcement cage is enclosed with tiling TGXG；And then it is put in steel reinforcement cage
Enter coating steel pipe, coating steel pipe package geotextiles；Followed by filling rubble between steel reinforcement cage and coating steel pipe；Finally backfill is viscous
Soil, and it is laid with bentonite and clay composite soil.
Further, the multilayer packaging type blind ditch construction step is：Groove is first excavated in rubbish heap；Then in groove
Bottom is laid with geomembrane and inflection geotechnique's lattice canopy；And then it backfills and cleans rubble, while discharge guiding pipe is planted in metalling；Finally
Backfill rubbish.
Implement above-mentioned technical proposal, this water discharge method is made of two parts：Drainage construction process is broadly divided into two-layer compound
Formula Construction of Silo and multilayer packaging type blind ditch construction, realize ultra-large type soot vertically and horizontally, the depth layer method that synchronizes draining.More
Specifically, the vertical shaft of the steel reinforcement cage of package tiling TGXG and the trepanning coating steel pipe composition of package geotextiles, is played more
Good fixation well head and raising drainage, the horizontal guide french drain being made of geomembrane, inflection TGXG, perforated pipe can
Morphotropism is strong, and guide speed is fast, is combined with double-layer combined vertical shaft, greatly improves refuse landfill drainage problem.
The beneficial effects of the invention are as follows：
1st, spiral-digging pore and blind ditch construction possess complete construction technology, double-layer combined shaft pore-forming rate on junk-heap body
Height, multilayer packaging type french drain disposal molding effect are good, and whole drainage effect is good, reduces ultra-large type soot due to draining
Freely junk-heap body comes down caused by possibility.
2nd, double-layer combined vertical shaft steel reinforcement cage and coating steel pipe construction are compact, and sewage is percolated through rubble to trepanning galvanized steel
Pipe, reduces vertical shaft silting problem.
3rd, multilayer packaging type french drain is simple for process, and speed of application is fast, saves the duration.
Description of the drawings
Fig. 1 is double-layer combined shaft structure schematic diagram.
Fig. 2 is multilayer packaging type french drain structure diagram.
In figure label for：1- junk-heap bodies；2- tiling TGXG；3- steel reinforcement cages；4- metallings；5- geotextiles；6- is plated
Zinc steel pipe；7- argillic horizons；8- bentonites and clay mixed layer；9- geomembranes；10-HDPE discharge guiding pipes：11- cleans rubble；12- is returned
Roll over TGXG；13- Jing Dong.
Specific embodiment
Ultra-large type soot entirety drainage and construction method is applied including double-layer combined Construction of Silo and multilayer packaging type french drain
Work.
With reference to Fig. 1, the double-layer combined a diameter of 1000mm of vertical shaft, well depth 25m, before construction, worker dresses appliances for labor protection, with
Anti- biogas poisoning, clears up rubbish facial mask and discarded pipeline, and the steel plate box for machine-walking is laid on junk-heap body 1；So
Spiral digging machine to designated position is moved along steel plate box afterwards to drill, hole top installation casing prevents collapse hole, the rubbish that drills out and
Shi Qingli；Wrap up steel reinforcement cage 3 with tiling TGXG 2, and it is vertical under be put into well hole 13, wrap up coating steel pipe with geotextiles 5
6, it is accurate to be placed in steel reinforcement cage 3；Then steel reinforcement cage 3 and galvanized steel in well hole 13 will be put into using hopper under metalling 4
Between pipe 6, and uniformly fill；After rubble is filled into designed elevation, argillic horizon 7 and ginseng are backfilled above well opening and metalling
10% bentonite and clay mixed soil 8；The compound vertical shaft of pair of lamina is often completed, marks, is hidden to prevent garbage loading embeading complete
Into well head, and shift drilling machine to next well location and put construction.
Double-layer combined Construction of Silo：1) preparation before construction is carried out, including：It is laid on junk-heap body for machine
Steel plate box, cleaning rubbish facial mask and discarded pipeline, the appliances for labor protection wearing of tool walking；2) unwrapping wire positioning and drilling：Along steel plate
Case moves Spiral digging machine to designated position and drills, and hole top installation casing prevents collapse hole, and the rubbish drilled out is cleared up in time；3) under
The steel reinforcement cage of package tiling TGXG is put, steel reinforcement cage should be transferred as early as possible after pore-forming, accomplishes decentralization steel reinforcement cage on the day of same day pore-forming,
It avoids leading to not transfer steel reinforcement cage because of collapse hole；4) decentralization package geotextiles trepanning coating steel pipe, alignment hole position during construction are kept
Vertically enter hole, should not rotate left and right, prevent that height proposes pelter and forces tripping in；5) rubble backfills：It will be put under rubble using hopper
It in well, is uniformly filled in well surrounding, reduces the lateral pressure to coating steel pipe；6) clay and swelling earthen backfill：Rubble is filled into
After designed elevation, clay and bentonite and clay composite soil are backfilled；7) after the completion of a well is by design requirement construction, the movement of stake machine
Continue to construct to next well location；8) well location is often completed, is marked, is hidden to prevent garbage loading embeading and completed well head.
With reference to Fig. 2, multilayer packaging type french drain is inverted trapezoidal section, and bottom, upper bottom width are respectively 1200mm and 1600mm, high
It is 1200mm, 10 centre-to-centre spacing bottom of HDPE discharge guiding pipes is 350mm.Multilayer packaging type french drain is carried out using the special digging machine in soot
It excavates, excavates to pay attention to avoiding and completed double-layer combined vertical shaft.The rubbish dug out is stored toward french drain side, and rubble is cleaned to backfill
11 processes reserve backfill road.After ditch Slot shaping, groove bottom of trench has been completed in artificial leveling, is laid with geomembrane 9, is laid on it flat
TGXG 2 is spread, tiling TGXG 2 is fixed on french drain furrow bank, and stone backfill is avoided to pound and falls tiling TGXG；And then
Rubble 11 is backfilled, rubble 11 is cleaned before backfilling using pool specialized, is layered uniformly backfill, and rubble 11 is backfilled and examined in compactness
HDPE discharge guiding pipes 10 are transferred after testing qualification, continue to backfill clean rubble 11 on it, then the package of inflection TGXG 12 is cleaned
Rubble 11.The rubbish that finally backfill groove is excavated flattens rubbish and carries out pipeline label after backfill.
Multilayer packaging type blind ditch construction：1) channel excavation：Multilayer packaging type french drain excavates, and pays attention to avoiding and has completed bilayer again
Box-like vertical shaft.The rubbish dug out is stored toward french drain side, and backfill road is reserved for backfill stone process；2) geomembrane, tiling soil
Work grid is laid with：Groove bottom of trench has been completed in artificial leveling, is laid with geomembrane, is laid with two-way tiling TGXG in the above, is put down
Paving TGXG is fixed on french drain furrow bank, and stone backfill is avoided to pound and falls tiling TGXG；3) rubble backfill and HDPE guides
Pipe is placed：It is to clean rubble to backfill stone, is layered uniformly backfill, stone transfers center HDPE discharge guiding pipes after the assay was approved, at it
On continue to backfill rubble, last inflection lower floor tiling TGXG package rubble；4) rubbish backfills：Backfill rubbish is channel excavation
Rubbish out flattens rubbish and carries out pipeline label after backfill.
Finally, soot longitudinal direction evacuation system being formed by multiple double-layer combined vertical shafts, vertical shaft is 15m with vertical shaft spacing,
Lateral guide system is formed by a plurality of multilayer packaging type french drain, french drain is connect with vertical shaft spare interface so that ultra-large type soot
Vertically and horizontally, depth layer synchronizes draining qualified to exploit.
Claims (3)
1. a kind of ultra-large type soot entirety drainage and construction method, it is characterised in that step includes：Double-layer combined Construction of Silo
With multilayer packaging type blind ditch construction.
2. ultra-large type soot entirety drainage and construction method according to claim 1, which is characterized in that described double-layer combined
Construction of Silo step is：
The Jing Dong of several proper alignments is first drilled out in junk-heap body；
Then steel reinforcement cage is placed in each well hole, steel reinforcement cage is enclosed with tiling TGXG；
And then coating steel pipe, coating steel pipe package geotextiles are placed in steel reinforcement cage；
Followed by filling rubble between steel reinforcement cage and coating steel pipe；
Clay is finally backfilled, and is laid with bentonite and clay composite soil.
3. ultra-large type soot entirety drainage and construction method according to claim 1, which is characterized in that the multilayer packaging type
Blind ditch construction step is：
Groove is first excavated in rubbish heap；
Then geomembrane and inflection geotechnique's lattice canopy are laid in channel bottom；
And then it backfills and cleans rubble, while discharge guiding pipe is planted in metalling；
Finally backfill rubbish.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711464410.1A CN108221947A (en) | 2017-12-28 | 2017-12-28 | Ultra-large type soot entirety drainage and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711464410.1A CN108221947A (en) | 2017-12-28 | 2017-12-28 | Ultra-large type soot entirety drainage and construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108221947A true CN108221947A (en) | 2018-06-29 |
Family
ID=62646547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711464410.1A Pending CN108221947A (en) | 2017-12-28 | 2017-12-28 | Ultra-large type soot entirety drainage and construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108221947A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111827324A (en) * | 2020-07-20 | 2020-10-27 | 浙江国丰集团有限公司 | Construction method of deep-layer dewatering pumping shaft of refuse landfill |
| CN114960690A (en) * | 2022-06-02 | 2022-08-30 | 中国建筑第八工程局有限公司 | Seepage ditch backfill diversion tool for automatically separating natural-grade distributed sand and construction method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101113057A (en) * | 2006-07-27 | 2008-01-30 | 深圳市金达莱环保股份有限公司 | Combined technique for garbage filter liquor treatment |
| CN206706846U (en) * | 2016-12-27 | 2017-12-05 | 浙江国丰集团有限公司 | A kind of garbage stacking yard pump drainage shaft structure |
-
2017
- 2017-12-28 CN CN201711464410.1A patent/CN108221947A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101113057A (en) * | 2006-07-27 | 2008-01-30 | 深圳市金达莱环保股份有限公司 | Combined technique for garbage filter liquor treatment |
| CN206706846U (en) * | 2016-12-27 | 2017-12-05 | 浙江国丰集团有限公司 | A kind of garbage stacking yard pump drainage shaft structure |
Non-Patent Citations (1)
| Title |
|---|
| 陈云敏等: "垃圾填埋场渗沥液水位壅高及工程控制", 《岩石力学与工程学报》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111827324A (en) * | 2020-07-20 | 2020-10-27 | 浙江国丰集团有限公司 | Construction method of deep-layer dewatering pumping shaft of refuse landfill |
| CN111827324B (en) * | 2020-07-20 | 2021-02-26 | 浙江国丰集团有限公司 | Construction method of deep-layer dewatering pumping shaft of refuse landfill |
| CN114960690A (en) * | 2022-06-02 | 2022-08-30 | 中国建筑第八工程局有限公司 | Seepage ditch backfill diversion tool for automatically separating natural-grade distributed sand and construction method thereof |
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| PB01 | Publication | ||
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Application publication date: 20180629 |