CN101936012B - Impermeable membrane anchoring structure at middle part of side slope of abrupt and hard rock side slope single-layer impermeable structure - Google Patents
Impermeable membrane anchoring structure at middle part of side slope of abrupt and hard rock side slope single-layer impermeable structure Download PDFInfo
- Publication number
- CN101936012B CN101936012B CN2010102799307A CN201010279930A CN101936012B CN 101936012 B CN101936012 B CN 101936012B CN 2010102799307 A CN2010102799307 A CN 2010102799307A CN 201010279930 A CN201010279930 A CN 201010279930A CN 101936012 B CN101936012 B CN 101936012B
- Authority
- CN
- China
- Prior art keywords
- side slope
- anchoring
- density polyethylene
- high density
- polyethylene film
- 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.)
- Active
Links
Images
Landscapes
- Revetment (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention relates to an impermeable membrane structure of a house refuse landfill, in particular to an impermeable membrane anchoring structure at the middle part of a side slope of an abrupt and hard rock side slope single-layer impermeable structure, which comprises a bed rock side slope, a sodium GCL (Geo-synthetic Clay Liner), an impermeable high-density polyethylene (HDPE) membrane, a geotextile bagged pebble bed and an anchoring HDPE membrane, wherein the impermeable HDPE membrane positioned on the sodium GCL is closely and fixedly connected with the front section of the anchoring HDPE membrane through thermofussion welding, a bending sheet formed by bending downwards the anchoring HDPE membrane and the sodium GCL are fixedly connected to the bed rock side slope through expansion bolts; and the geotextile bagged pebble bed is positioned on the impermeable HDPE membrane. The invention solves the technical difficulty of anchoring the impermeable membrane by the refuse landfill arranged at the rocky area of the current rock side slope, especially the hard rock side slope, and has the advantages of simple structural form, safe and convenient construction and reliable quality.
Description
Technical field the present invention relates to the anchoring of a kind of household refuse landfill sites antiseepage film, the antiseepage film anchoring at particularly a kind of precipitous, hard rock side slope individual layer leakage preventing structure side slope middle part.
The effect of background technology household refuse landfill sites impervious barrier structure be through antiseepage film with the garbage loading embeading thing and on every side the stratum isolate fully; Form the independent and environment of sealing of refuse landfill, and then stop percolate to permeate the ground underground water around the landfill yard is polluted.Stable, the firm anchoring of refuse landfill impervious barrier structure are the assurances that realizes its function; The anchoring of antiseepage film or impervious barrier is the requisite engineering measure of constructing of household refuse landfill sites seepage control system; At soil-slope or unconsolidated formation class rock side slope; The anchoring of antiseepage film or impervious barrier can be provided with anchored platform through side slope middle part, and on anchored platform excavation anchoring ditch and back down the engineering measure of digging the anchoring ditch on the slope and realize.
And in rock slope, the particularly refuse landfill of solid rock side slope; Effective anchoring of antiseepage film or impervious barrier can be carried out through the pattern of excavation anchoring ditch in the side slope top; But at the side slope middle part, because anchored platform is provided with very difficulty, anchoring ditch excavation difficulty is bigger; Situation about can't excavate is arranged even, so the anchoring of rock slope, particularly solid rock side slope middle part antiseepage film or impervious barrier becomes the difficult point of household refuse landfill sites seepage control system engineering.
The present invention just is being based on above former thereby proposition.The individual layer leakage preventing structure is applicable to that the direct foundation saturation permeability coefficient is less than 1.0 * 10
-5Cm/s, and thickness is not less than the household refuse landfill sites of 2.0m, and the individual layer leakage preventing structure impervious barrier anchorage style that the present invention relates to just can solve the engineering problem of basement rock side slope middle part impervious barrier anchoring.
Oozing drop liquid water conservancy diversion layer and can adopt packed cobble in the impervious barrier structure also can be adopted the composite earthwork drainage network, and percolate water conservancy diversion layer adopts the packed boulder bed of geotextiles on the antiseepage film in this anchorage style impervious barrier structure.
The technical problem that summary of the invention the present invention will solve is to provide a kind of technology reliable, easy construction, can guarantee the antiseepage film anchoring at precipitous, the hard rock side slope individual layer leakage preventing structure side slope middle part that the antiseepage film anchoring of basement rock side slope middle part is firm, firm.
It is following that the present invention solves the problems of the technologies described above the technical scheme of being taked: the antiseepage film anchoring at a kind of precipitous, hard rock side slope individual layer leakage preventing structure side slope middle part; Comprise basement rock side slope, sodium bentonite waterproof bed course GCL, antiseepage high density polyethylene film, the packed boulder bed of geotextiles, it is characterized in that: it also comprises anchoring high density polyethylene film; Be positioned at antiseepage high density polyethylene film above the sodium bentonite waterproof bed course GCL through leading portion airtight be fixedly connected of thermofussion welding with anchoring high density polyethylene film, the back segment of anchoring high density polyethylene film bends the back downwards and sodium bentonite waterproof bed course GCL is fixedly connected on the basement rock side slope through expansion bolt; The packed boulder bed of geotextiles is positioned at above the antiseepage high density polyethylene film.
Further, be provided with billet above the anchoring high density polyethylene film back segment, expansion bolt is fixedly connected on the basement rock side slope through billet with anchoring high density polyethylene film back segment and sodium bentonite waterproof bed course GCL.
The packed boulder bed of geotextiles can successively be increased with the increase of garbage loading embeading height in the refuse landfill running.
The present invention is connected to form the anchoring to antiseepage high density polyethylene film through effective and firm thermofussion welding between anchoring high density polyethylene film and the antiseepage high density polyethylene film; Adopt expansion bolt that anchoring high density polyethylene film and sodium bentonite waterproof bed course GCL are fixed on the basement rock side slope; The invention solves present stage is provided with the technical barrier that refuse landfill is carried out anchoring to antiseepage film in the rock matter area of rock slope, particularly solid rock side slope, has that structural shape is simple, construction safety convenient, the reliable quality advantage.
Description of drawings
Fig. 1 is a present stage soil-slope or unconsolidated formation class rock side slope individual layer leakage preventing structure antiseepage film anchoring sketch map.
Fig. 2 is a structural representation of the present invention,
Fig. 3 is Fig. 2 schematic cross section,
Fig. 4 is Fig. 2 vertical section sketch map.
Among the figure: 1-basement rock side slope (soil-slope of prior art or unconsolidated formation class rock side slope), 2-sodium bentonite waterproof bed course GCL, 3-billet; 4-anchoring high density polyethylene film; The 5-expansion bolt, 6-thermofussion welding weld seam, 7-antiseepage high density polyethylene film; The packed boulder bed of 8-geotextiles, 9-anchoring ditch.
The specific embodiment such as Fig. 2 are to shown in Figure 4: the antiseepage film anchoring at a kind of precipitous, hard rock side slope individual layer leakage preventing structure side slope middle part; Comprise precipitous, hard rock matter basement rock side slope 1, the sodium bentonite waterproof bed course GCL2 that is used for protecting under the antiseepage film, antiseepage high density polyethylene film 7, the packed boulder bed 8 of geotextiles that is used for protecting on the antiseepage film, it is characterized in that: it also comprises anchoring high density polyethylene film 4; Be positioned at antiseepage high density polyethylene film 7 above the sodium bentonite waterproof bed course GCL2 through leading portion (promptly be bordering on the part of landfill yard) airtight be fixedly connected of thermofussion welding, form airtight fixing thermofussion welding weld seam 6 between antiseepage high density polyethylene film 7 and the anchoring high density polyethylene film 4 with anchoring high density polyethylene film 4; The back segment of anchoring high density polyethylene film 4 (being bordering on the part of basement rock) bends back and sodium bentonite waterproof bed course GCL2 downwards and is fixedly connected on basement rock side slope 1 through expansion bolt 5; The packed boulder bed 8 of geotextiles is positioned at above the antiseepage high density polyethylene film 7.
Be provided with billet 3 above the back segment of anchoring high density polyethylene film 4, expansion bolt 5 is fixedly connected on basement rock side slope 1 through billet 3 with the back segment and the sodium bentonite waterproof bed course GCL2 of anchoring high density polyethylene film 4.
The packed boulder bed 8 of geotextiles can successively be increased with the increase of garbage loading embeading height in the refuse landfill running; It is high that construction stage is only laid about 3.0m.
Adopt thermofussion welding to connect between its antiseepage density polyethylene film with high 7 of the present invention, the anchoring density polyethylene film with high 4; Anchoring HDPE film is fixed on the basement rock side slope through expansion bolt; So neither can cause because of fixing antiseepage HDPE film is produced injury; Can guarantee the firm, firm of antiseepage film anchoring again, guarantee the construction safety of impervious barrier structure.
Present stage, the household garbage anchoring process of filling out an antiseepage film or impervious barrier was applicable to soil-slope or unconsolidated formation class rock side slope; Ooze embodiment that drop liquid water conservancy diversion layer adopts the packed cobble of geotextiles referring to Fig. 1 in the impervious barrier structure: anchored platform is set at soil-slope or unconsolidated formation class rock side slope 1 middle part; Anchored platform excavation anchoring ditch 9; In anchoring ditch 9 and surperficial sodium bentonite waterproof bed course GCL2 and the antiseepage high density polyethylene film 7 laid successively from bottom to top of anchored platform; With anchoring ditch 9 be backfilled to anchored platform on antiseepage high density polyethylene film 7 flush of laying, will be laid on the surface of the antiseepage high density polyethylene film of laying on anchoring ditch surface and the anchored platform after the backfill 7 again as the packed boulder bed 8 of geotextiles that oozes drop liquid water conservancy diversion layer.This method can not be applicable to the middle part side slope of precipitous, hard rock matter, and this is because side slope is provided with anchored platform ten minutes difficulty at the middle part of precipitous, hard rock matter, the anchoring ditch also is difficult to excavation.
Claims (3)
1. the antiseepage film anchoring at precipitous, a hard rock side slope individual layer leakage preventing structure side slope middle part; Comprise basement rock side slope, sodium bentonite waterproof bed course GCL, antiseepage high density polyethylene film, the packed boulder bed of geotextiles, it is characterized in that: it also comprises anchoring high density polyethylene film (4); Be positioned at the top said antiseepage high density polyethylene film (7) of said sodium bentonite waterproof bed course GCL (2) through leading portion airtight be fixedly connected of thermofussion welding with said anchoring high density polyethylene film (4), the back segment of said anchoring high density polyethylene film (4) bends the back downwards and said sodium bentonite waterproof bed course GCL (2) is fixedly connected on said basement rock side slope (1) through expansion bolt (5); The packed boulder bed of said geotextiles (8) is positioned at above the said antiseepage high density polyethylene film (7).
2. the antiseepage film anchoring at a kind of precipitous, hard rock side slope individual layer leakage preventing structure side slope as claimed in claim 1 middle part; It is characterized in that: be provided with billet (3) above the back segment of said anchoring high density polyethylene film (4), said expansion bolt (5) is fixedly connected on said basement rock side slope (1) through said billet (3) with the back segment and the said sodium bentonite waterproof bed course GCL (2) of said anchoring high density polyethylene film (4).
3. according to claim 1 or claim 2 the antiseepage film anchoring at a kind of precipitous, hard rock side slope individual layer leakage preventing structure side slope middle part is characterized in that: the airtight fixing thermofussion welding weld seam (6) of formation between said antiseepage high density polyethylene film (7) and the said anchoring high density polyethylene film (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102799307A CN101936012B (en) | 2010-09-07 | 2010-09-07 | Impermeable membrane anchoring structure at middle part of side slope of abrupt and hard rock side slope single-layer impermeable structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102799307A CN101936012B (en) | 2010-09-07 | 2010-09-07 | Impermeable membrane anchoring structure at middle part of side slope of abrupt and hard rock side slope single-layer impermeable structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101936012A CN101936012A (en) | 2011-01-05 |
| CN101936012B true CN101936012B (en) | 2012-04-18 |
Family
ID=43389564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102799307A Active CN101936012B (en) | 2010-09-07 | 2010-09-07 | Impermeable membrane anchoring structure at middle part of side slope of abrupt and hard rock side slope single-layer impermeable structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101936012B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102817379A (en) * | 2012-08-31 | 2012-12-12 | 中国市政工程西北设计研究院有限公司 | Upper protective layer structure of impervious barrier structure of municipal solid waste landfill |
| CN103526724B (en) * | 2013-10-25 | 2016-03-30 | 中国电建集团中南勘测设计研究院有限公司 | The anchoring leakage preventing structure that a kind of reservoir bottom geomembrane is connected with storehouse week collector drain periphery fissure |
| CN104110042B (en) * | 2014-06-27 | 2016-02-10 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of anti-permeation method of discarded object leachate collection pond and structure |
| CN105672469B (en) * | 2016-03-24 | 2017-12-26 | 深圳市胜义环保有限公司 | The irregular sludge lagoon covered structure of large area and construction method |
| CN108951713B (en) * | 2018-09-30 | 2023-12-12 | 沈阳工业大学 | Landfill impermeable membrane stress relaxation structure using rubber air bag |
| IL288149A (en) * | 2021-08-17 | 2023-03-01 | Amir Rudyan | Below grade, blind side, improved dual waterproofing membrane assembly incorporating a bentonite sheet waterproofing membrane, and a sheet membrane with adhesive to fully bond to concrete/shotcrete, and a method of making, and using same |
| CN113529808B (en) * | 2021-09-15 | 2021-12-10 | 北京高能时代环境技术股份有限公司 | Reinforced soil-protecting ecological barrier method for polluted site |
| CN114673200B (en) * | 2022-04-18 | 2023-05-26 | 中国城市建设研究院有限公司 | Connection structure of geomembrane and underground impermeable curtain and construction method thereof |
| CN116146018B (en) * | 2023-04-20 | 2023-06-27 | 山西建筑工程集团有限公司 | Percolate collecting tank structure and construction method thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4908129A (en) * | 1987-05-27 | 1990-03-13 | Dyckerhoff & Widmann Aktiengesellschaft | Impervious layer formation process and landfill adsorption system |
| US5190406A (en) * | 1991-12-13 | 1993-03-02 | Municipal Services Corp. | Cationic treatment landfill |
| CN201517217U (en) * | 2009-10-30 | 2010-06-30 | 北京高能时代环境技术股份有限公司 | Anti-seepage structure for petroleum chemical industry area |
| CN201554043U (en) * | 2009-12-14 | 2010-08-18 | 苏州市环境卫生管理处 | Middle anti-seepage liner structure for preventing local sinking in refuse landfill |
| CN201785778U (en) * | 2010-09-07 | 2011-04-06 | 中国市政工程西北设计研究院有限公司 | Middle impermeable membrane anchorage of steep hard-rocky side slope in side slope single-layer impermeable structure |
-
2010
- 2010-09-07 CN CN2010102799307A patent/CN101936012B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN101936012A (en) | 2011-01-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101936012B (en) | Impermeable membrane anchoring structure at middle part of side slope of abrupt and hard rock side slope single-layer impermeable structure | |
| CN102817366B (en) | Prevention and treatment method for full-mechanized caving mining collapse trap area water disaster for shallow-buried ultra-thick coal seam | |
| CN104110042B (en) | A kind of anti-permeation method of discarded object leachate collection pond and structure | |
| CN110029690B (en) | Percolate leakage detection and collection structure and construction method thereof | |
| CN203546514U (en) | Totally enclosed drainage prevention foundation bed structure of railway expansive soil cutting | |
| CN110541436A (en) | Double-layer HDPE (high-density polyethylene) film vertical antifouling barrier structure containing leakage detection layer and method | |
| CN212714828U (en) | Rubbish heap body soil and rock retaining dam reinforcing system | |
| CN111778793A (en) | Cavity collapse prevention and control structure and construction method | |
| CN110052471B (en) | Petroleum and natural gas drilling waste landfill process | |
| CN101936013B (en) | Base rock side slope middle seepage preventing layer anchoring structure of steep and hard rock double-layer seepage preventing structure | |
| CN101956404B (en) | Side slope middle impermeable layer anchoring of steep hard rocky bedrock side slope single-layer impermeable structure | |
| CN109469042B (en) | Anti-seepage storage yard field karst cave processing structure | |
| CN111719593A (en) | Prefabricated assembly type bentonite vertical barrier structure and method for underground pollution control | |
| CN201785778U (en) | Middle impermeable membrane anchorage of steep hard-rocky side slope in side slope single-layer impermeable structure | |
| CN112523264B (en) | High-steep side slope seepage prevention system and laying method thereof | |
| CN104278686B (en) | High-moisture percentage dredging dust field space, cofferdam draining seepage control system | |
| CN212405201U (en) | Domatic ballast structure of ardealite storage yard | |
| CN219410355U (en) | Flexible side-width structure of high-fill embankment of existing railway | |
| CN103276717B (en) | The method of composite earthwork synthetic materials reinforcement cushion soft soil foundation | |
| CN210140850U (en) | Leachate collection and drainage guide structure | |
| CN204626610U (en) | A kind of Slope with multi-step anchor structure realizing rain dirt shunting | |
| CN201785777U (en) | Impermeable layer anchor of single-layer impermeable structure for central part of side slope of steep and hard bed rock | |
| CN113818300B (en) | Sponge city ecological roadbed structure based on original road and construction method thereof | |
| CN110528538B (en) | Refuse landfill and construction method thereof | |
| CN211228563U (en) | Assembled groundwater drainage blind ditch drainage system that oozes |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |