CN110029797B - Standard method for temporarily storing dangerous waste on warehouse floor - Google Patents
Standard method for temporarily storing dangerous waste on warehouse floor Download PDFInfo
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- CN110029797B CN110029797B CN201810349178.5A CN201810349178A CN110029797B CN 110029797 B CN110029797 B CN 110029797B CN 201810349178 A CN201810349178 A CN 201810349178A CN 110029797 B CN110029797 B CN 110029797B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/12—Flooring or floor layers made of masses in situ, e.g. seamless magnesite floors, terrazzo gypsum floors
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/18—Separately-laid insulating layers; Other additional insulating measures; Floating floors
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/18—Separately-laid insulating layers; Other additional insulating measures; Floating floors
- E04F15/185—Underlayers in the form of studded or ribbed plates
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Abstract
The invention relates to the field of temporary storage of hazardous waste, in particular to a standard method suitable for the ground of a temporary storage warehouse in the temporary storage process of the hazardous waste. Set gradually from bottom to top and include: the system comprises a foundation soil layer, a high-density polyethylene geomembrane anti-seepage layer, a geotextile protective layer, a clay cushion layer, a graded broken stone cushion layer and a reinforced concrete surface layer, wherein a dangerous waste storage area is formed, peripheral drainage ditches are arranged at the periphery of the dangerous waste storage area, a reinforced concrete cofferdam is arranged outside the peripheral drainage ditches, and the dangerous waste is stored on the reinforced concrete surface layer. On the basis of the traditional heavy-load ground structure form, special requirements of dangerous waste storage on the ground are considered, and the dangerous waste is ensured not to influence the soil, water source and surrounding environment of the storage area by adding a horizontal seepage-proofing system, a stockpiling area peripheral drainage ditch and a reinforced concrete cofferdam. The invention has simple structure, convenient construction and wide applicability, and can meet the special requirements of dangerous waste pile storage on the ground.
Description
Technical Field
The invention relates to the field of temporary storage of hazardous waste, in particular to a standard method suitable for the ground of a temporary storage warehouse in the temporary storage process of the hazardous waste.
Background
The hazardous waste needs to be temporarily stored before being reused, harmlessly treated or finally disposed of, and if the ground of the temporary storage warehouse cannot be reasonably designed during the temporary storage, the hazardous waste can cause pollution to the soil, the ground surface or the underground water body and the like of the storage area. Due to this nature of hazardous waste, special requirements are placed on the ground construction form of the temporary storage warehouse for hazardous waste in order to prevent the hazardous waste from contaminating the temporary storage area soil, surface water or groundwater quality. At present, no unified, highly targeted and standard method is available for the structural form of the ground of the temporary storage warehouse for the hazardous wastes.
Disclosure of Invention
In order to solve the above problems, it is an object of the present invention to provide a standard practice applicable to a ground of a hazardous waste temporary storage warehouse, which can effectively prevent the influence of the hazardous waste temporary storage period on the surrounding environment.
The technical scheme of the invention is as follows:
the standard method for temporarily storing the dangerous waste on the ground of a warehouse comprises the following steps from bottom to top in sequence: the high-density polyethylene geomembrane seepage-proofing layer is paved on the foundation soil layer, the geotextile protective layer is paved on the high-density polyethylene geomembrane seepage-proofing layer, the clay cushion layer is paved on the geotextile protective layer, the graded gravel cushion layer is paved on the clay cushion layer, the reinforced concrete surface layer is paved on the graded gravel cushion layer to form a dangerous waste stockpiling area, the periphery of the dangerous waste stockpiling area is provided with peripheral drainage ditches, the outer sides of the peripheral drainage ditches are reinforced concrete cofferdams, and the dangerous waste is stockpiled on the reinforced concrete surface layer.
According to the standard method for temporarily storing the dangerous waste into the warehouse ground, a clay cushion layer is composed of an upper cuboid and a lower cuboid: the upper cuboid is located in the middle of the lower cuboid, the graded broken stone cushion layer and the reinforced concrete surface layer are sequentially arranged on the upper cuboid, and the size and the shape of the adjacent contact surface between the upper cuboid, the graded broken stone cushion layer and the reinforced concrete surface layer are the same.
The standard method of dangerous waste temporary storage warehouse ground, the peripheral escape canal sets up in upper portion cuboid outside lower part cuboid upper surface all around, the medial surface of peripheral escape canal aligns with the lateral surface of upper portion cuboid, graded broken stone bed course, reinforced concrete surface course.
According to the standard method for temporarily storing the dangerous waste on the ground, the high-density polyethylene geomembrane impermeable layer and the geotextile protective layer extend between the outer side surface of the lower cuboid, the peripheral drainage ditch and the inner side surface of the reinforced concrete cofferdam, and the extending parts of the high-density polyethylene geomembrane impermeable layer and the geotextile protective layer are tightly attached to the inner side surface of the reinforced concrete cofferdam and anchored into the top of the reinforced concrete cofferdam.
According to the standard method for temporarily storing the dangerous waste on the ground, the reinforced concrete surface layer slopes to the peripheral drainage ditch of the stockpiling area.
The standard method for temporarily storing the dangerous waste on the ground comprises the following steps:
(1) the foundation soil layer on the ground of the temporary storage warehouse for the hazardous wastes is tamped layer by layer, so that the tamping coefficient and the minimum tamping depth are ensured;
(2) fully paving a high-density polyethylene geomembrane impervious layer on the treated foundation, wherein the high-density polyethylene geomembrane impervious layer meets the requirements of film thickness and permeability coefficient;
(3) laying a geotextile protective layer on the high-density polyethylene geomembrane anti-seepage layer, wherein the specification of the geotextile protective layer meets the protection requirement;
(4) clay is adopted as a clay cushion layer on the upper part of the geotextile protective layer, and the clay cushion layer is compacted in a layered manner, so that the requirements of minimum laying thickness and compaction coefficient are met;
(5) paving a graded broken stone cushion layer on the clay cushion layer, wherein the paving of the graded broken stone cushion layer meets the requirements of minimum paving thickness and compaction coefficient;
(6) a reinforced concrete surface layer is arranged on the upper part of the graded broken stone cushion layer, the top of the reinforced concrete surface layer slopes to a peripheral drainage ditch of the dangerous waste storage area, and the arrangement thickness and the top reinforcing bars of the reinforced concrete surface layer meet the ground bearing requirement;
(7) arranging peripheral drainage ditches at the periphery of the ground of the dangerous waste storage area, collecting dangerous waste percolate generated by the dangerous waste storage area, and arranging a reinforced concrete cofferdam outside the peripheral drainage ditches;
(8) the high-density polyethylene geomembrane impervious layer and the geotextile protective layer are laid at the bottom of the peripheral drainage ditch at the position of the peripheral drainage ditch, tightly attached to the inside of the reinforced concrete cofferdam and anchored at the top of the reinforced concrete cofferdam.
The invention has the advantages and beneficial effects that:
1. the dangerous waste needs to be temporarily stored in a factory or a designated place from output to final treatment, and the ground of the temporary storage warehouse of the dangerous waste needs to be specially designed for preventing the pollution to the soil, water sources and the surrounding environment of a storage area in the temporary storage process of the dangerous waste. On the basis of the traditional heavy-load ground structure form, the special requirements of dangerous waste storage on the ground are considered, and the horizontal seepage-proofing system, the peripheral drainage ditch of the storage area and the reinforced concrete cofferdam are added to ensure that the dangerous waste cannot influence the soil, the water source and the peripheral environment of the storage area.
2. The method of the invention meets the special requirements of dangerous waste storage on the ground of the temporary storage warehouse, and can effectively prevent the dangerous waste from polluting the soil, the ground surface or the underground water quality of the storage area in the temporary storage process.
3. The invention has simple structure, convenient construction and wide applicability, and can meet the special requirements of dangerous waste pile storage on the ground.
Drawings
Fig. 1 is a schematic view of a ground level layout system of a hazardous waste temporary storage warehouse.
Fig. 2 is a cross-sectional view taken along line a-a of fig. 1.
Fig. 3 is a schematic view of a ground level layout system for hazardous waste.
Fig. 4 is a schematic diagram showing the relative relationship between the anti-seepage membrane and the drainage ditch and between the anti-seepage membrane and the reinforced concrete cofferdam.
In the figure, 1, a foundation soil layer; 2. a high density polyethylene geomembrane impervious layer; 3. a geotextile protective layer; 4. a clay cushion layer; 5. graded broken stone cushion layer; 6. a reinforced concrete facing; 7. a peripheral drainage ditch; 8. a reinforced concrete cofferdam; 9. hazardous waste; 10. an upper rectangular parallelepiped; 11. the lower part is a cuboid.
Detailed Description
As shown in fig. 1 to 4, the ground of the temporary storage warehouse for hazardous waste according to the present invention, which is arranged from bottom to top, comprises: the method comprises the following steps of 1, 2, 3, 4, 5 and 6, wherein the high-density polyethylene geomembrane impermeable layer is paved on the foundation soil layer, 2, 3, 4, 5, 6, 5, 6, the high-density polyethylene geomembrane impermeable layer is paved on the foundation soil layer, the geotextile protective layer is paved on the 2, the clay liner is paved on the 3, the graded broken stone liner is paved on the 4, the reinforced concrete surface layer 6 is paved on the 5, so as to form a dangerous waste storage area, 7, the outside of 7, is a reinforced concrete cofferdam, 9, dangerous waste is stored on the 6, and the 6, slope of the reinforced concrete surface layer is towards 7.
In addition, the clay mat layer 4 is two cuboids up and down: an organic whole structure of upper portion cuboid 10 and 11 coincide of lower part cuboid, upper portion cuboid 10 is located in the middle of 11 lower part cuboids, and graded broken stone bed course 5, reinforced concrete surface course 6 set gradually on upper portion cuboid 10, and the size and the shape of adjacent contact surface are the same between upper portion cuboid 10, graded broken stone bed course 5, the reinforced concrete surface course 6. The peripheral drainage ditch 7 is arranged on the upper surface of the lower cuboid 11 on the periphery of the outer side of the upper cuboid 10, and the inner side surface of the peripheral drainage ditch 7 is aligned with the outer side surfaces of the upper cuboid 10, the graded broken stone cushion layer 5 and the reinforced concrete surface layer 6; the high-density polyethylene geomembrane impermeable layer 2 and the geotextile protective layer 3 extend between the lower cuboid 11, the outer side surface of the peripheral drainage ditch 7 and the inner side surface of the reinforced concrete cofferdam 8, and the extending parts of the high-density polyethylene geomembrane impermeable layer 2 and the geotextile protective layer 3 are tightly attached to the inner side surface of the reinforced concrete cofferdam 8 and anchored into the top of the reinforced concrete cofferdam 8, as shown in fig. 2-4.
In the invention, the ground standard practice of the temporary storage warehouse of the hazardous waste comprises three parts: the temporary storage area ground horizontal arrangement system, the peripheral drainage ditch and the reinforced concrete cofferdam are realized by the following specific method:
the ground foundation soil layer of the temporary storage warehouse storage area is tamped layer by layer, so that the tamping coefficient and the minimum tamping depth are ensured; fully paving the high-density polyethylene geomembrane impervious layer 2 on the treated foundation, wherein the high-density polyethylene geomembrane impervious layer 2 meets the requirements of film thickness and permeability coefficient; a geotextile protective layer 3 is laid on the high-density polyethylene geomembrane impervious layer 2, and the specification of the geotextile protective layer 3 meets the protection requirement; clay is adopted as a clay cushion layer 4 on the upper part of the geotextile protective layer 3, and the clay cushion layer 4 is compacted in a layered manner, so that the requirements of minimum laying thickness and compaction coefficient are met; paving a graded broken stone cushion layer 5 on the clay cushion layer 4, wherein the paving of the graded broken stone cushion layer 5 meets the requirements of minimum paving thickness and compaction coefficient; a reinforced concrete surface layer 6 is arranged on the upper part of the graded broken stone cushion layer 5, the top of the reinforced concrete surface layer 6 slopes to a peripheral drainage ditch 7 of the dangerous waste storage area, and the arrangement thickness and the top reinforcing bars of the reinforced concrete surface layer 6 meet the ground bearing requirements; arranging a peripheral drainage ditch 7 at the periphery of the ground of the dangerous waste storage area, and collecting the dangerous waste percolate generated by the dangerous waste storage area; a reinforced concrete cofferdam 8 is arranged outside the peripheral drainage ditch 7; the high-density polyethylene geomembrane impervious layer 2 and the geotextile protective layer 3 in the temporary storage area ground vertical arrangement system are laid at the position of the peripheral drainage ditch 7 at the bottom of the peripheral drainage ditch 7, tightly attached to the inside of the reinforced concrete cofferdam 8 and anchored at the top of the reinforced concrete cofferdam 8.
Claims (1)
1. The standard method for temporarily storing the dangerous waste on the ground is characterized by comprising the following steps of: the high-density polyethylene geomembrane seepage-proofing layer is paved on the foundation soil layer, the geotextile protective layer is paved on the high-density polyethylene geomembrane seepage-proofing layer, the clay cushion layer is paved on the geotextile protective layer, the graded gravel cushion layer is paved on the clay cushion layer, the reinforced concrete surface layer is paved on the graded gravel cushion layer to form a dangerous waste stockpiling area, peripheral drainage ditches are arranged at the periphery of the dangerous waste stockpiling area, a reinforced concrete cofferdam is arranged outside the peripheral drainage ditches, and the dangerous waste is stockpiled on the reinforced concrete surface layer;
the clay cushion layer is an upper cuboid and a lower cuboid: the upper cuboid is positioned in the middle of the lower cuboid, the graded broken stone cushion layer and the reinforced concrete surface layer are sequentially arranged on the upper cuboid, and the sizes and the shapes of adjacent contact surfaces among the upper cuboid, the graded broken stone cushion layer and the reinforced concrete surface layer are the same;
the peripheral drainage ditch is arranged on the upper surface of the lower cuboid on the periphery of the outer side of the upper cuboid, and the inner side surface of the peripheral drainage ditch is aligned with the outer side surfaces of the upper cuboid, the graded broken stone cushion layer and the reinforced concrete surface layer;
the high-density polyethylene geomembrane impervious layer and the geotextile protective layer extend between the lower cuboid and the outer side surface of the peripheral drainage ditch and the inner side surface of the reinforced concrete cofferdam, and the extending parts of the high-density polyethylene geomembrane impervious layer and the geotextile protective layer are tightly attached to the inner side surface of the reinforced concrete cofferdam and anchored into the top of the reinforced concrete cofferdam;
a reinforced concrete surface layer slope is towards a peripheral drainage ditch of the stockpiling area;
the standard method for temporarily storing the dangerous waste on the ground comprises the following steps:
(1) the foundation soil layer on the ground of the temporary storage warehouse for the hazardous wastes is tamped layer by layer, so that the tamping coefficient and the minimum tamping depth are ensured;
(2) fully paving a high-density polyethylene geomembrane impervious layer on the treated foundation, wherein the high-density polyethylene geomembrane impervious layer meets the requirements of film thickness and permeability coefficient;
(3) laying a geotextile protective layer on the high-density polyethylene geomembrane anti-seepage layer, wherein the specification of the geotextile protective layer meets the protection requirement;
(4) clay is adopted as a clay cushion layer on the upper part of the geotextile protective layer, and the clay cushion layer is compacted in a layered manner, so that the requirements of minimum laying thickness and compaction coefficient are met;
(5) paving a graded broken stone cushion layer on the clay cushion layer, wherein the paving of the graded broken stone cushion layer meets the requirements of minimum paving thickness and compaction coefficient;
(6) a reinforced concrete surface layer is arranged on the upper part of the graded broken stone cushion layer, the top of the reinforced concrete surface layer slopes to a peripheral drainage ditch of the dangerous waste storage area, and the arrangement thickness and the top reinforcing bars of the reinforced concrete surface layer meet the ground bearing requirement;
(7) arranging peripheral drainage ditches at the periphery of the ground of the dangerous waste storage area, collecting dangerous waste percolate generated by the dangerous waste storage area, and arranging a reinforced concrete cofferdam outside the peripheral drainage ditches;
(8) the high-density polyethylene geomembrane impervious layer and the geotextile protective layer are laid at the bottom of the peripheral drainage ditch at the position of the peripheral drainage ditch, tightly attached to the inside of the reinforced concrete cofferdam and anchored at the top of the reinforced concrete cofferdam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810349178.5A CN110029797B (en) | 2018-04-18 | 2018-04-18 | Standard method for temporarily storing dangerous waste on warehouse floor |
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| CN201810349178.5A CN110029797B (en) | 2018-04-18 | 2018-04-18 | Standard method for temporarily storing dangerous waste on warehouse floor |
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| CN110029797A CN110029797A (en) | 2019-07-19 |
| CN110029797B true CN110029797B (en) | 2021-02-23 |
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| CN111485941B (en) * | 2020-04-17 | 2021-03-09 | 浙江万宇环境科技有限公司 | Construction method of rock cavern backfilled with industrial hazardous wastes |
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| DE102008021451A1 (en) * | 2008-04-29 | 2009-11-05 | Construction Research & Technology Gmbh | Use of flexible sealing slurries for the aftertreatment of young concrete bodies |
| CN103485421B (en) * | 2013-10-09 | 2015-07-01 | 中船第九设计研究院工程有限公司 | Oil leakage prevention heavy load terrace structure resisting deformation of foundation |
| CN104314287A (en) * | 2014-09-18 | 2015-01-28 | 绿色动力环保集团股份有限公司 | Anticorrosive, abrasion-proof and rolling-resistant ground for garbage discharging hall, and construction method of anticorrosive, abrasion-proof and rolling-resistant ground |
| CN104763127B (en) * | 2015-04-09 | 2017-03-08 | 中国联合工程公司 | A kind of resistance to heavy duty acid-proof terrace and its construction method |
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