CN114525818A - Construction method of combined anti-seepage body with horizontal anti-seepage function and vertical anti-seepage function - Google Patents
Construction method of combined anti-seepage body with horizontal anti-seepage function and vertical anti-seepage function Download PDFInfo
- Publication number
- CN114525818A CN114525818A CN202210130133.5A CN202210130133A CN114525818A CN 114525818 A CN114525818 A CN 114525818A CN 202210130133 A CN202210130133 A CN 202210130133A CN 114525818 A CN114525818 A CN 114525818A
- Authority
- CN
- China
- Prior art keywords
- seepage
- vertical
- proofing
- wall
- horizontal
- 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.)
- Granted
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
- A01B79/02—Methods for working soil combined with other agricultural processing, e.g. fertilising, planting
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/002—Ground foundation measures for protecting the soil or subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/004—Sealing liners
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/46—Concrete or concrete-like piles cast in position ; Apparatus for making same making in situ by forcing bonding agents into gravel fillings or the soil
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/30—Landfill technologies aiming to mitigate methane emissions
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Paleontology (AREA)
- Environmental Sciences (AREA)
- Soil Sciences (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a construction method of a combined impervious body with horizontal seepage prevention and vertical seepage prevention, wherein the adopted combined impervious body comprises a vertical seepage-proofing wall (7), a composite seepage-proofing engineering structure (9) and a horizontal seepage-proofing system; the composite seepage-proofing engineering structure (9) is composed of a vertical seepage-proofing inner wall (9-1), an inner wall covering plate (9-3) which is positioned at the upper part of the vertical seepage-proofing inner wall and extends to one side of the solid waste storage yard/polluted site, a vertical seepage-proofing outer wall (9-2) and an outer wall covering plate (9-4) which is positioned at the upper part of the vertical seepage-proofing outer wall and extends outwards; the horizontal seepage-proofing system consists of a base layer (5), a seepage-proofing material protective layer (4), a horizontal seepage-proofing layer (3), an ecological base layer (2) and an ecological layer (1) from bottom to top. The invention is suitable for solid waste piles in different shapes, such as ground, pits and mountain depressions, is especially suitable for being applied under the condition that solid waste is much higher than the ground, meets the process requirements of horizontal seepage prevention and vertical seepage prevention, not only saves clay resources and reduces the using amount of earthwork, but also has simple and convenient construction, low cost and good effect.
Description
Technical Field
The invention belongs to the technical field of construction of environmental protection seepage-proofing projects, and particularly relates to a construction method with a horizontal seepage-proofing and vertical seepage-proofing combined structure, which is suitable for seepage-proofing treatment of solid waste piles/polluted fields with different shapes, such as overground, pit and mountain depression pile solid waste fields, and is particularly suitable for the condition that the solid waste piles are much higher than the ground.
Background
For historical reasons, many enterprises have produced large amounts of solid waste during the production process, such as steel slag from steel mills, copper smelting slag, stripped waste rock (earth) from mining, and the like. Because the generated industrial solid wastes are not processed and effectively utilized in time, the storage capacity of the industrial solid wastes in partial areas is rapidly increased, and great pressure is brought to the surrounding environment. The industrial solid waste storage yard has huge quantity and various types, the comprehensive utilization ways are very few, the storage amount is large, a large amount of solid waste is stored for a long time to form solid waste storage yards such as a slag dressing and smelting yard and a waste disposal yard, a large amount of land is occupied, rainwater enters the solid waste storage yards to generate harmful waste water, and then the harmful waste water enters underground water or leaks out to seriously affect the safety of a local water system, destroy the soil quality, influence the plant growth and destroy the local environment quality.
Currently, the main methods for disposing of these solid wastes are: the method comprises the steps of filling in different places, piling in place and curing in place, and the adopted seepage-proofing method comprises horizontal seepage-proofing and vertical seepage-proofing.
The remote landfill is feasible under the conditions of environmental protection, safety and reliability for only a small amount of solid waste; for historical reasons, in-situ management is also a practical approach for large amounts of existing solid waste.
The horizontal seepage prevention is to establish an impervious layer in the horizontal direction on the surface of the solid waste storage yard to prevent rainwater or external fresh water from entering the solid waste storage yard below, so as to prevent the pollution of the solid waste to generate new waste water to pollute the underground water.
The vertical seepage prevention is to establish a vertical barrier (a seepage wall) around a solid waste storage yard or in a certain depth range of the downstream of underground water flow to prevent polluted water from diffusing and migrating to other water areas to pollute the surrounding water areas.
At present, vertical seepage-proofing and horizontal seepage-proofing treatment of waste water generated by solid waste are respectively treated, and the construction method adopting vertical seepage-proofing and horizontal seepage-proofing measures respectively has long construction period, complex construction and high cost. How to combine the horizontal seepage prevention with the vertical seepage prevention and construct a combined structure system of the horizontal seepage prevention and the vertical seepage prevention together has important significance for saving clay resources, reducing the using amount of earthwork, simplifying construction procedures and improving seepage prevention effect.
Disclosure of Invention
The invention aims to solve the problems of poor seepage-proofing effect, long construction period, complex construction process and high cost in the prior art, and provides a construction method of a combined seepage-proofing body with horizontal seepage-proofing and vertical seepage-proofing functions, which can save clay resources, reduce the using amount of earthwork, and has the advantages of simple construction, low construction cost and good seepage-proofing effect.
In order to realize the purpose, the construction method of the combined seepage-proofing body with horizontal seepage-proofing and vertical seepage-proofing is implemented by adopting the following technical scheme:
the combined seepage-proofing body adopted by the construction method of the combined seepage-proofing body with horizontal seepage-proofing and vertical seepage-proofing functions comprises a vertical seepage-proofing wall, a composite seepage-proofing engineering structure and a horizontal seepage-proofing system; the composite seepage-proofing engineering structure consists of a vertical seepage-proofing inner wall, an inner wall covering plate, a vertical seepage-proofing outer wall and an outer wall covering plate, wherein the upper part of the vertical seepage-proofing inner wall extends to one side of the solid waste storage yard/polluted site; the vertical impervious wall is positioned at the lower part between the vertical impervious inner wall and the vertical impervious outer wall, a vertical impervious combined layer is arranged at the bottom between the vertical impervious inner wall and the vertical impervious outer wall, and a concave space formed by the vertical impervious inner wall, the vertical impervious outer wall and the vertical impervious combined layer is a horizontal impervious rainwater collection and drainage space; the horizontal seepage-proofing system is positioned on the solid waste storage yard/pollution yard stratum on one side of the vertical seepage-proofing inner wall close to the solid waste storage yard/pollution yard, and the horizontal seepage-proofing system is formed by combining a base layer, a seepage-proofing material protection layer, a horizontal seepage-proofing layer, an ecological base layer and an ecological layer from bottom to top; calculating and determining the space size of a horizontal seepage-proof rainwater collection and discharge space according to the regional environment improvement and rainwater collection and discharge; the construction method comprises the following steps:
1) defining a vertical seepage-proofing line at the outer edge of a solid waste storage yard/polluted site needing horizontal seepage proofing and vertical seepage proofing, and leveling the solid waste storage yard/polluted site stratum of the solid waste storage yard/polluted site according to the design elevation and gradient requirements;
2) constructing a composite anti-seepage engineering structure according to the position of the vertical anti-seepage line; the composite seepage-proofing engineering structure is of a reinforced concrete structure and is formed by formwork erection, reinforcement binding and concrete pouring;
3) after the composite seepage-proofing engineering structure is stable and accepted, constructing a vertical seepage-proofing wall, wherein the vertical seepage-proofing wall adopts plain concrete or a triaxial cement mixing pile or a high-pressure jet grouting pile;
4) constructing a foundation layer and an impermeable material protective layer: the foundation layer adopts miscellaneous filling soil, and is compacted in a layering way, and the compaction density is not less than 0.95; the impervious material protective layer adopts plain soil, is leveled and compacted, and the plain soil cannot contain organic matters, broken stones, grass sawdust and other impurities;
5) laying a horizontal impermeable layer, wherein the horizontal impermeable layer adopts a high-density polyethylene HDPE geotechnical impermeable film and is added with a geotechnical cloth protective layer;
6) constructing an ecological base layer, wherein the ecological base layer adopts planting soil, plants are planted on the planting soil to form an ecological layer, and plant varieties are determined according to the requirements of regional ecological environment protection and greening;
7) and constructing a vertical anti-seepage combination layer, wherein the vertical anti-seepage combination layer is made of plain concrete.
Furthermore, the adopted combined impervious body also comprises a horizontal cover plate, wherein the horizontal cover plate adopts a concrete cover plate and covers the vertical impervious inner wall and the vertical impervious outer wall; the horizontal cover plate is provided with a grate hole for rainwater to permeate.
Comprehensively considering the anti-seepage effect and the construction cost, the permeability coefficient of the vertical anti-seepage wall is less than 1x10-7The depth of the vertical impervious wall needs to reach the permeability coefficient less than 1x10-7And the penetration coefficient of the penetration resisting layer is less than 1x10-7The thickness of the impermeable soil layer is not less than 1000 mm.
By considering the anti-seepage effect and the construction cost in combination and through test research results and comparison, the thickness B1 of the vertical anti-seepage inner wall and the vertical anti-seepage outer wall is 150-200 mm, the thickness B2 of the vertical anti-seepage wall is 600-800 mm, the thickness H3 of the inner wall covering plate and the outer wall covering plate is 150-200 mm, and the height H4 of the vertical anti-seepage inner wall and the vertical anti-seepage outer wall is 1300-1800 mm.
Further, the thickness of the base layer is 400-600 mm, and the thickness of each layer of the layered and compacted layer is not more than 200 mm; the thickness of the impermeable material protective layer is 150-250 mm; the thickness of the ecological base layer is 420-560 mm.
Furthermore, drain holes for draining rainwater in the horizontal impermeable layers to the horizontal impermeable rainwater collecting and draining space are arranged in the inner wall covering plate at intervals, and the drain holes and the inner wall covering plate are constructed synchronously.
Furthermore, the horizontal impermeable layer is preferably a high density polyethylene HDPE geomembrane with the thickness of 1.5 mm.
The construction method of the combined seepage-proofing body with horizontal seepage-proofing and vertical seepage-proofing functions has the following positive effects after adopting the technical scheme:
(1) the vertical anti-seepage wall, the composite anti-seepage engineering structure and the horizontal anti-seepage system are adopted to form a combined anti-seepage body, so that the combined anti-seepage body can meet the technological requirements of horizontal anti-seepage and vertical anti-seepage simultaneously, the construction process of the whole treatment area is optimized, the perfect combination of horizontal anti-seepage and vertical anti-seepage is realized, the problem that natural rainwater (or other ground water) enters underground soil is effectively solved, and the generation of new polluted water is avoided;
(2) by organically combining horizontal seepage prevention and vertical seepage prevention, the pollution of the original solid waste and sewage generated by the solid waste to other soil or water body of underground water is effectively prevented;
(3) the horizontal seepage-proofing system is formed by combining a base layer, a seepage-proofing material protective layer, a horizontal seepage-proofing layer, an ecological base layer and an ecological layer from bottom to top, can meet the requirement of horizontal seepage proofing of the solid waste storage yard/polluted site, restores the ecology of the solid waste storage yard/polluted site and realizes greening and beautifying of the solid waste storage yard/polluted site;
(4) the vertical seepage-proofing system is formed by combining a vertical seepage-proofing wall positioned at the bottom, a vertical seepage-proofing inner wall and a vertical seepage-proofing outer wall double-layer structure positioned at the upper part and a vertical seepage-proofing binding layer, and has good vertical seepage-proofing effect and convenient construction;
(5 the invention can be flexibly applied, is suitable for solid waste piles in different shapes, such as ground, pits and mountain depressions, and is particularly suitable for being applied under the condition that solid waste is much higher than the ground.
(6) The invention adopts a combined seepage-proofing structure technology, and compared with a horizontal seepage-proofing and vertical seepage-proofing separation technology, the invention can save the civil engineering cost by more than 30%, and can effectively save the land use area, thereby saving land resources.
Drawings
FIG. 1 is a sectional view of a combined impervious body structure designed by the construction method of the combined impervious body with horizontal seepage prevention and vertical seepage prevention of the invention;
FIG. 2 is a cross-sectional view of a combined barrier with horizontal barrier and vertical barrier for a solid waste yard according to the present invention;
fig. 3 is a schematic view of a horizontal cover plate structure designed by the present invention.
Reference numerals: 1-ecological layer; 2-ecological base course; 3-horizontal barrier layer; 4-a protective layer of impermeable material; 5-a base layer; 6-solid waste storage yard/pollution yard stratum; 7-vertical impervious wall; 8-a vertical impermeable bonding layer; 9-composite seepage-proofing engineering structure; 9-1-vertical impervious inner wall; 9-2-vertical impermeable outer wall; 9-3-interior wall cladding panel; 9-4-exterior wall cladding panel; 10-horizontal seepage-proof rainwater collection and drainage space; 11-horizontal cover plate.
Detailed Description
For further description of the present invention, the construction method of the combined impermeable body with horizontal and vertical impermeability according to the present invention will be described in detail with reference to the accompanying drawings.
The combined impervious body structure section diagram designed by the construction method of the combined impervious body with horizontal seepage prevention and vertical seepage prevention shown in figure 1 is combined with figures 2 and 3, and the combined impervious body designed by the invention is formed by combining a vertical seepage-prevention wall 7, a composite seepage-prevention engineering structure 9, a horizontal seepage-prevention system and a horizontal cover plate 11; the composite seepage-proofing engineering structure 9 consists of a vertical seepage-proofing inner wall 9-1, an inner wall covering plate 9-3 which is positioned at the upper part of the vertical seepage-proofing inner wall and extends to one side of a solid waste storage yard/polluted site, a vertical seepage-proofing outer wall 9-2 and an outer wall covering plate 9-4 which is positioned at the upper part of the vertical seepage-proofing outer wall and extends outwards; the vertical impervious wall 7 is positioned at the lower part between the vertical impervious inner wall 9-1 and the vertical impervious outer wall 9-2, and the permeability coefficient of the vertical impervious wall 7 is less than 1x10-7The depth of the vertical impervious wall 7 needs to reach the permeability coefficient less than 1x10-7And the penetration coefficient of the penetration resisting layer is less than 1x10-7The thickness of the impermeable soil layer is not less than 1000 mm; a vertical impermeable binding layer 8 is arranged at the bottom between a vertical impermeable inner wall 9-1 and a vertical impermeable outer wall 9-2, a concave space formed by the vertical impermeable inner wall 9-1, the vertical impermeable outer wall 9-2 and the vertical impermeable binding layer 8 is a horizontal impermeable rainwater collecting and discharging space 10, and the space size of the horizontal impermeable rainwater collecting and discharging space 10 is determined according to regional environment improvement and rainwater collecting and discharging calculation; the horizontal cover plate 11 is made of concrete, the horizontal cover plate 11 covers the vertical impervious inner wall 9-1 and the vertical impervious outer wall 9-2, and the horizontal cover plate 11 is provided with a grid hole for rainwater to permeate; the horizontal seepage-proofing system is positioned on a solid waste storage yard/pollution yard stratum 6 at one side of a vertical seepage-proofing inner wall 9-1 close to the solid waste storage yard/pollution yard, and the horizontal seepage-proofing system is composed of a base layer 5, a seepage-proofing material protective layer 4, a horizontal seepage-proofing layer 3, an ecological base layer 2 and an ecological layer 1 from bottom to top.
In engineering implementation, the structural parameters of the combined impermeable body are as follows: the thickness B1 of the vertical impervious inner wall 9-1 and the vertical impervious outer wall 9-2 is 150-200 mm, the thickness B2 of the vertical impervious wall 7 is 600-800 mm, the thickness H3 of the inner wall covering plate 9-3 and the outer wall covering plate 9-4 is 150-200 mm, and the height H4 of the vertical impervious inner wall 9-1 and the vertical impervious outer wall 9-2 is 1500 mm; the thickness of the base layer (5) is 500mm, and the thickness of each layer of the layered and compacted layer is not more than 200 mm; the thickness of the impervious material protection layer 4 is 200 mm; the thickness of the ecological base layer 2 is 500 mm.
The construction method comprises the following steps:
1) defining a vertical seepage-proofing line at the outer edge of a solid waste storage yard/polluted site needing horizontal seepage proofing and vertical seepage proofing, and leveling the site of a solid waste storage yard/polluted site stratum 6 of the solid waste storage yard/polluted site according to the design elevation and gradient requirements;
2) constructing a composite anti-seepage engineering structure 9 according to the position of the vertical anti-seepage line; the composite seepage-proofing engineering structure 9 is of a reinforced concrete structure and is formed by formwork erection, reinforcement binding and concrete pouring; the diameter of the steel bars in the concrete is 14mm, and the distance between the steel bars in the concrete is 200 mm. Constructing along the line of the vertical impervious wall, wherein the measures ensure the positioning and the quality of the impervious wall and ensure the realization of the vertical impervious target;
3) after the composite seepage-proofing engineering structure 9 is stably checked and accepted, constructing a vertical seepage-proofing wall 7, wherein the vertical seepage-proofing wall 7 adopts C30 plain concrete or a triaxial cement mixing pile or a high-pressure jet grouting pile;
4) constructing a foundation layer 5 and an impermeable material protection layer 4: the foundation layer 5 adopts miscellaneous filling, is compacted in a layered manner and finds a slope (3 per mill); the impervious material protective layer 4 is made of plain soil, and is leveled and compacted, so that the impervious material protective layer 4 cannot contain organic matters, broken stones, sawdust and other impurities;
5) laying a horizontal impermeable layer 3, wherein the horizontal impermeable layer 3 adopts a high-density polyethylene HDPE geotechnical impermeable film with the thickness of 1.5mm, and a geotechnical cloth protective layer is added;
6) constructing an ecological base layer 2, wherein the ecological base layer 2 adopts planting soil, plants are planted on the planting soil to form an ecological layer 1, and plant varieties are determined according to the requirements of regional ecological environment protection and greening;
7) and constructing a vertical anti-seepage combination layer 8, wherein the vertical anti-seepage combination layer 8 is made of plain concrete.
8) And finishing the manufacturing and installation of the horizontal cover plate 14.
Claims (8)
1. A construction method of a combined seepage-proofing body with horizontal seepage-proofing and vertical seepage-proofing is characterized in that: the adopted combined impervious body comprises a vertical impervious wall (7), a composite impervious engineering structure (9) and a horizontal impervious system; the composite seepage-proofing engineering structure (9) is composed of a vertical seepage-proofing inner wall (9-1), an inner wall covering plate (9-3) which is positioned at the upper part of the inner wall and extends to one side of a solid waste storage yard/polluted site, a vertical seepage-proofing outer wall (9-2) and an outer wall covering plate (9-4) which is positioned at the upper part of the outer wall and extends outwards; the vertical impervious wall (7) is positioned at the lower part between the vertical impervious inner wall (9-1) and the vertical impervious outer wall (9-2), a vertical impervious binding layer (8) is arranged at the bottom between the vertical impervious inner wall (9-1) and the vertical impervious outer wall (9-2), a concave space formed by the vertical impervious inner wall (9-1), the vertical impervious outer wall (9-2) and the vertical impervious binding layer (8) is a horizontal impervious rainwater collection and discharge space (10), and the space size of the horizontal impervious rainwater collection and discharge space (10) is determined according to regional environment improvement and rainwater collection and discharge calculation; the horizontal seepage-proofing system is positioned on a solid waste storage yard/pollution yard stratum (6) on one side, close to the solid waste storage yard/pollution yard, of the vertical seepage-proofing inner wall (9-1), and the horizontal seepage-proofing system is formed by combining a base layer (5), a seepage-proofing material protection layer (4), a horizontal seepage-proofing layer (3), an ecological base layer (2) and an ecological layer (1) from bottom to top; the construction method comprises the following steps:
1) the method comprises the steps of defining a vertical seepage-proofing line at the outer edge of a solid waste storage yard/polluted site needing horizontal seepage proofing and vertical seepage proofing, and leveling the site of a solid waste storage yard/polluted site stratum (6) of the solid waste storage yard/polluted site according to the design elevation and gradient requirements;
2) constructing a composite anti-seepage engineering structure (9) according to the position of the vertical anti-seepage line; the composite seepage-proofing engineering structure (9) is of a reinforced concrete structure and is formed by formwork erection, reinforcement binding and concrete pouring;
3) after the composite seepage-proofing engineering structure (9) is stably checked and accepted, constructing a vertical seepage-proofing wall (7), wherein the vertical seepage-proofing wall (7) adopts plain concrete or a triaxial cement mixing pile or a high-pressure jet grouting pile;
4) constructing a foundation layer (5) and an impermeable material protective layer (4): the foundation layer (5) adopts miscellaneous filling soil and is compacted in a layering way; the impervious material protective layer (4) adopts plain soil, and is leveled and compacted;
5) laying a horizontal impermeable layer (3), wherein the horizontal impermeable layer (3) adopts a high-density polyethylene HDPE geotechnical impermeable film, and is added with a geotechnical cloth protective layer;
6) constructing an ecological base layer (2), wherein planting soil is adopted for the ecological base layer (2), plants are planted on the planting soil to form an ecological layer (1), and plant varieties are determined according to the requirements of regional ecological environment protection and greening;
7) and constructing a vertical anti-seepage combination layer (8), wherein the vertical anti-seepage combination layer (8) is made of plain concrete.
2. The construction method of the combined impermeable body with horizontal impermeable and vertical impermeable of claim 1, wherein: the adopted combined impervious body also comprises a horizontal cover plate (11), the horizontal cover plate (11) adopts a concrete cover plate, and the horizontal cover plate (11) covers the vertical impervious inner wall (9-1) and the vertical impervious outer wall (9-2); the horizontal cover plate (11) is provided with grid holes for rainwater to permeate.
3. The construction method of the combined impermeable body with horizontal impermeable and vertical impermeable of claim 2, characterized in that: the permeability coefficient of the vertical impervious wall (7) is less than 1x10-7The depth of the vertical impervious wall (7) needs to reach the permeability coefficient less than 1x10-7And the penetration coefficient of the penetration resisting layer is less than 1x10-7The thickness of the impermeable soil layer is not less than 1000 mm.
4. The construction method of the combined impermeable body with horizontal impermeable and vertical impermeable of claim 3, wherein: the thickness B1 of the vertical impervious inner wall (9-1) and the vertical impervious outer wall (9-2) is 150-200 mm, the thickness B2 of the vertical impervious wall (7) is 600-800 mm, the thickness H3 of the inner wall covering plate (9-3) and the outer wall covering plate (9-4) is 150-200 mm, and the height H4 of the vertical impervious inner wall (9-1) and the vertical impervious outer wall (9-2) is 1300-1800 mm.
5. The construction method of the combined seepage-proofing body with horizontal seepage-proofing and vertical seepage-proofing according to claim 1, 2, 3 or 4, characterized by that: the thickness of the base layer (5) is 400-600 mm, and the thickness of each layer of the layered and compacted layer is not more than 200 mm; the thickness of the impermeable material protection layer (4) is 150-250 mm.
6. The construction method of the combined impermeable body with horizontal impermeable and vertical impermeable of claim 5, wherein: the thickness of the ecological base layer (2) is 420-560 mm.
7. The construction method of the combined impermeable body with horizontal impermeable and vertical impermeable of claim 6, wherein: drainage holes for draining rainwater in the horizontal impermeable layer (3) to the horizontal impermeable rainwater collecting and discharging space (10) are arranged in the inner wall covering plate (9-3) at intervals.
8. The construction method of the combined impermeable body with horizontal impermeable and vertical impermeable of claim 7, wherein: the horizontal impermeable layer (3) is a high-density polyethylene HDPE geotechnical impermeable film with the thickness of 1.5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210130133.5A CN114525818B (en) | 2022-02-11 | 2022-02-11 | Construction method of combined impermeable body with horizontal impermeable and vertical impermeable functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210130133.5A CN114525818B (en) | 2022-02-11 | 2022-02-11 | Construction method of combined impermeable body with horizontal impermeable and vertical impermeable functions |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114525818A true CN114525818A (en) | 2022-05-24 |
| CN114525818B CN114525818B (en) | 2023-07-28 |
Family
ID=81623541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210130133.5A Active CN114525818B (en) | 2022-02-11 | 2022-02-11 | Construction method of combined impermeable body with horizontal impermeable and vertical impermeable functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114525818B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003001212A (en) * | 2001-06-26 | 2003-01-07 | Kumagai Gumi Co Ltd | Method confining contaminated soil into ground |
| CN205875860U (en) * | 2016-08-08 | 2017-01-11 | 北京中兰环境工程有限公司 | Prevention of seepage sheath and prevention of seepage pond |
| CN107313468A (en) * | 2017-08-14 | 2017-11-03 | 兰州有色冶金设计研究院有限公司 | A kind of seepage proof curtain for releasing collapsible loess foundation settlement by soaking is with level every infiltration level structure and method |
| CN108951675A (en) * | 2017-05-17 | 2018-12-07 | 北京高能时代环境技术股份有限公司 | HDPE geomembrane and bentonite-clay complex vertical cut-pff wall and its construction method of installation |
| CN111395409A (en) * | 2020-05-07 | 2020-07-10 | 北京高能时代环境技术股份有限公司 | Seepage-proofing structure for emergency site construction and construction method of seepage-proofing structure |
-
2022
- 2022-02-11 CN CN202210130133.5A patent/CN114525818B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003001212A (en) * | 2001-06-26 | 2003-01-07 | Kumagai Gumi Co Ltd | Method confining contaminated soil into ground |
| CN205875860U (en) * | 2016-08-08 | 2017-01-11 | 北京中兰环境工程有限公司 | Prevention of seepage sheath and prevention of seepage pond |
| CN108951675A (en) * | 2017-05-17 | 2018-12-07 | 北京高能时代环境技术股份有限公司 | HDPE geomembrane and bentonite-clay complex vertical cut-pff wall and its construction method of installation |
| CN107313468A (en) * | 2017-08-14 | 2017-11-03 | 兰州有色冶金设计研究院有限公司 | A kind of seepage proof curtain for releasing collapsible loess foundation settlement by soaking is with level every infiltration level structure and method |
| CN111395409A (en) * | 2020-05-07 | 2020-07-10 | 北京高能时代环境技术股份有限公司 | Seepage-proofing structure for emergency site construction and construction method of seepage-proofing structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114525818B (en) | 2023-07-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101343852B (en) | Method for filling highroad roadbed by waste steel slags | |
| CN101713291A (en) | Filling-reclaiming method for building land in coal mining subsidence areas | |
| CN110777819A (en) | High and steep mine mountain reconstruction ecological restoration method | |
| CN113445396A (en) | High-fill road foundation filling construction method for high liquid limit soil road section | |
| CN112962680A (en) | Novel refuse landfill system | |
| CN109778625A (en) | A kind of express highway roadbed structure that dregs class building castoff fills | |
| CN105983562A (en) | High-dimensional landfill method of waste landfill | |
| CN111648383A (en) | Internal drainage method for loess high-fill side slope | |
| CN208830325U (en) | A kind of Waste Landfill Site Area mound design structure | |
| CN113265924B (en) | Construction method for using red bed mudstone blocks as high-fill dynamic compaction roadbed filling | |
| CN114319455A (en) | Full-coverage sealing, environmental treatment and greening process for large-scale refuse landfill | |
| CN219503430U (en) | Vertical partition structure of household garbage landfill | |
| CN103276717B (en) | The method of composite earthwork synthetic materials reinforcement cushion soft soil foundation | |
| CN105672443A (en) | Structure integrating anchoring of anti-seepage film, flood interception and passing | |
| CN114457855A (en) | Sunken horizontal seepage-proofing and perpendicular seepage-proofing integrated configuration | |
| CN114525818B (en) | Construction method of combined impermeable body with horizontal impermeable and vertical impermeable functions | |
| CN202755438U (en) | Integrative structure with functions of anchoring, drainage and flood interception in refuse landfill | |
| CN105672242A (en) | Consolidating and water draining system and method for coal cinder yard of coal-fired power plant | |
| CN114439049B (en) | Combined seepage-proofing body for preventing and controlling solid waste pile pollution and restoring ecology | |
| CN114525817B (en) | Construction method of horizontal seepage-proofing and vertical seepage-proofing combined structure | |
| CN209482302U (en) | Sanitary filling field laying assembled anchor structure | |
| CN110303022A (en) | A kind of consumer waste filling and embedding system and method for impermeable pollution | |
| CN101560761A (en) | Vacuum-dewatering process for consolidating non-sand covered clayey silt by forced tamping | |
| CN217419751U (en) | Slope slip casting reinforcement type protective structure of rubbish filling field | |
| CN219175190U (en) | Composite anti-seepage structure applying lattice reinforcement technology under weak foundation condition |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |