CN113617826A - Step earthing method for repairing mine - Google Patents
Step earthing method for repairing mine Download PDFInfo
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- CN113617826A CN113617826A CN202110736406.6A CN202110736406A CN113617826A CN 113617826 A CN113617826 A CN 113617826A CN 202110736406 A CN202110736406 A CN 202110736406A CN 113617826 A CN113617826 A CN 113617826A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/10—Reclamation of contaminated soil microbiologically, biologically or by using enzymes
- B09C1/105—Reclamation of contaminated soil microbiologically, biologically or by using enzymes using fungi or plants
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C2101/00—In situ
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- Biomedical Technology (AREA)
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- General Health & Medical Sciences (AREA)
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- Molecular Biology (AREA)
- Soil Sciences (AREA)
- Environmental & Geological Engineering (AREA)
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Abstract
The invention belongs to the technical field of mine restoration, discloses a step earthing method for mine restoration, and aims to solve the problem that step earthing is difficult in existing mine restoration. The invention comprises the following steps: (1) dumping the covering soil to the stepped steps of the mine from the top layer in sequence; (2) cleaning stones on each layer of slope and steps in sequence from the top layer, and leveling the soil covering on the slope and the steps; (3) and (4) performing layered rolling on the stone of the step at the bottommost layer, and leveling and covering soil. The invention realizes safe and effective earth covering of the mine step steps, and the slope and the steps after earth covering are stable and the plant growth is good.
Description
Technical Field
The invention belongs to the technical field of mine restoration, and particularly relates to a step earthing method for mine restoration.
Background
Mineral resources are one of the very important energy sources, and are closely related to the development of social economy and the use of mineral energy sources. In 2018, 30 mineral consumption quantities of 40 mineral resources counted globally live in the first world, and the mineral resources are the first production country and the first trade country which are worthy of the world. The intense development of mineral resources accelerates the economic development of China, but also influences the ecological environment. As of 2018, about 99000 abandoned mines exist in China, 80600 abandoned mines exist in open-pit mining, 16400 abandoned mines in underground mining and 2000 abandoned mines in mixed mining according to mining modes.
A large amount of land is dug and damaged in the mining process, so that the ground surface is seriously collapsed or dislocated to form ground cracks or mine pits. Some abandoned mine pits are accompanied by high and steep slopes and water accumulation, and if the high and steep slopes and the water accumulation are not maintained and managed in time, geological disasters such as collapse, landslide and the like can be caused.
Disclosure of Invention
The invention provides a step earthing method for repairing a mine, aiming at solving the problem that the step earthing is difficult in the existing mine repairing.
In order to solve the technical problem, the technical scheme adopted by the invention is as follows:
the mine step repairing and step earthing method is characterized by comprising the following steps:
(1) dumping the covering soil to the stepped steps of the mine from the top layer in sequence;
(2) cleaning stones on each layer of slope and steps in sequence from the top layer, and leveling the soil covering on the slope and the steps;
(3) and (4) performing layered rolling on the stone of the step at the bottommost layer, and leveling and covering soil.
In some embodiments, the construction interval of adjacent steps in the horizontal direction is greater than 10 m.
In some embodiments, the thickness of the overburden on the step is 30-100 cm.
In some embodiments, the thickness of each layer is 250-350mm when the bottommost step is laminated, and the number of times of laminating each layer is 3-8.
Compared with the prior art, the invention has the following beneficial effects:
the invention realizes safe and effective earth covering of the mine step steps, and the slope and the steps after earth covering are stable and the plant growth is good.
According to the invention, the covering soil is poured from the top layer to the steps of the stepped piles of the mine in sequence, so that the slope can be uniformly covered with the soil, and meanwhile, stones in the soil can be separated from the soil in the falling process, so that the cleaning is convenient. Meanwhile, after stones are cleaned, the soil covering quality of the slope and the steps can be ensured, so that the later green reclamation is facilitated. The soil covering on the slope and the steps is leveled, so that the soil loss and geological disasters caused by the rolling and falling of the soil covering can be avoided. According to the invention, the bottommost step is layered and rolled, so that the bottommost field is smooth and stable, soil can be distributed in gaps of stones after earthing, root systems can be extended during later plant growth, and the survival rate and wind resistance of plants are increased.
Detailed Description
The present invention will be further described with reference to the following examples, which are intended to illustrate only some, but not all, of the embodiments of the present invention. Based on the embodiments of the present invention, other embodiments used by those skilled in the art without any creative effort belong to the protection scope of the present invention.
The invention relates to a mine step repairing and step earthing method, which comprises the following steps:
(1) dumping the covering soil to the stepped steps of the mine from the top layer in sequence;
(2) cleaning stones on each layer of slope and steps in sequence from the top layer, and leveling the soil covering on the slope and the steps;
(3) and (4) performing layered rolling on the stone of the step at the bottommost layer, and leveling and covering soil.
In some embodiments, the construction interval of adjacent steps in the horizontal direction is greater than 10 m.
In some embodiments, the thickness of the overburden on the step is 30-100 cm.
In some embodiments, the thickness of each layer is 250-350mm when the bottommost step is laminated, and the number of times of laminating each layer is 3-8.
The invention realizes safe and effective earth covering of the mine step steps, and the slope and the steps after earth covering are stable and the plant growth is good.
According to the invention, the covering soil is poured from the top layer to the steps of the stepped piles of the mine in sequence, so that the slope can be uniformly covered with the soil, and meanwhile, stones in the soil can be separated from the soil in the falling process, so that the cleaning is convenient. Meanwhile, after stones are cleaned, the soil covering quality of the slope and the steps can be ensured, so that the later green reclamation is facilitated. The soil covering on the slope and the steps is leveled, so that the soil loss and geological disasters caused by the rolling and falling of the soil covering can be avoided. According to the invention, the bottommost step is layered and rolled, so that the bottommost field is smooth and stable, soil can be distributed in gaps of stones after earthing, root systems can be extended during later plant growth, and the survival rate and wind resistance of plants are increased.
Example 1
The method comprises the steps of firstly, sequentially dumping the covering soil from the top layer to the next step, wherein the thickness of the covering soil is 100cm, then sequentially cleaning stones on each layer of slope and steps, leveling the covering soil on the slope and the steps, and finally, layering and rolling the stones on the step at the bottommost layer for 3 times, and leveling the covering soil.
The method is adopted for earthing, after 7 days of washing and settlement, the thickness of the side slope earthing is 90cm, the thickness of the step earthing is 98cm, and the thickness of the bottommost earthing is 93 cm.
Example 2
The method comprises the steps of firstly, sequentially dumping the covering soil from the top layer to the next step, wherein the thickness of the covering soil is 100cm, then sequentially cleaning stones on each layer of slope and steps, leveling the covering soil on the slope and the steps, and finally, layering and rolling the stones on the step at the bottommost layer for 5 times, and leveling the covering soil.
The method is adopted for earthing, after 7 days of washing and settlement, the side slope earthing thickness is 93cm, the step earthing thickness is 96cm, and the bottommost earthing thickness is 95 cm.
Example 3
The method comprises the steps of firstly, sequentially dumping the covering soil from the top layer to the next step, wherein the thickness of the covering soil is 100cm, then sequentially cleaning stones on each layer of slope and steps, leveling the covering soil on the slope and the steps, and finally, layering and rolling the stones on the step at the bottommost layer for 8 times, and leveling the covering soil.
The method is adopted for earthing, after 7 days of scouring and settling, the side slope earthing thickness is 92cm, the step earthing thickness is 98cm, and the bottommost earthing thickness is 98 cm.
Example 4
The method comprises the steps of firstly, sequentially dumping the covering soil from the top layer to the next step, wherein the thickness of the covering soil is 30cm, then sequentially cleaning stones on each layer of slope and each step, leveling the covering soil on the slope and each step, and finally, carrying out layering rolling 5 times on the stones on the step at the bottommost layer, and leveling the covering soil.
The method is adopted for earthing, after 7 days of scouring and settling, the side slope earthing thickness is 21cm, the step earthing thickness is 26cm, and the bottommost earthing thickness is 25 cm.
Example 5
The method comprises the steps of firstly, sequentially dumping the covering soil from the top layer to the next step, wherein the thickness of the covering soil is 50cm, then sequentially cleaning stones on each layer of slope and steps, leveling the covering soil on the slope and the steps, and finally, layering and rolling the stones on the step at the bottommost layer for 5 times, and leveling the covering soil.
The method is adopted for earthing, after 7 days of scouring and settlement, the thickness of the side slope earthing is 45cm, the thickness of the step earthing is 47cm, and the thickness of the bottommost earthing is 48 cm.
Claims (4)
1. The mine step repairing and step earthing method is characterized by comprising the following steps:
(1) dumping the covering soil to the stepped steps of the mine from the top layer in sequence;
(2) cleaning stones on each layer of slope and steps in sequence from the top layer, and leveling the soil covering on the slope and the steps;
(3) and (4) performing layered rolling on the stone of the step at the bottommost layer, and leveling and covering soil.
2. The mine restoration step earthing method according to claim 1, wherein the construction interval of adjacent steps in the horizontal direction is greater than 10 m.
3. The mine restoration step earthing method according to claim 1, wherein the thickness of the earth on the step is 30-100 cm.
4. The mine restoration step earthing method as claimed in claim 1, wherein the thickness of each layer is 250-350mm and the number of times of each layer is 3-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110736406.6A CN113617826A (en) | 2021-06-30 | 2021-06-30 | Step earthing method for repairing mine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110736406.6A CN113617826A (en) | 2021-06-30 | 2021-06-30 | Step earthing method for repairing mine |
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| Publication Number | Publication Date |
|---|---|
| CN113617826A true CN113617826A (en) | 2021-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110736406.6A Pending CN113617826A (en) | 2021-06-30 | 2021-06-30 | Step earthing method for repairing mine |
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| CN (1) | CN113617826A (en) |
Citations (8)
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| CN1951707A (en) * | 2006-10-24 | 2007-04-25 | 中国矿业大学 | Scene-making process in gangue ground emission |
| CN101392516A (en) * | 2007-09-20 | 2009-03-25 | 贵阳铝镁设计研究院 | Rolling earth-rock dam construction method |
| CN105723846A (en) * | 2016-02-02 | 2016-07-06 | 大连地拓重工有限公司 | Reclamation and ecological recovery method for mine waste dump |
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| CN209941695U (en) * | 2019-01-07 | 2020-01-14 | 四川川煤华荣能源股份有限公司 | Comprehensive treatment structure for steep slope type coal gangue dump |
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2021
- 2021-06-30 CN CN202110736406.6A patent/CN113617826A/en active Pending
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| CN1951707A (en) * | 2006-10-24 | 2007-04-25 | 中国矿业大学 | Scene-making process in gangue ground emission |
| CN101392516A (en) * | 2007-09-20 | 2009-03-25 | 贵阳铝镁设计研究院 | Rolling earth-rock dam construction method |
| CN105723846A (en) * | 2016-02-02 | 2016-07-06 | 大连地拓重工有限公司 | Reclamation and ecological recovery method for mine waste dump |
| CN109618588A (en) * | 2018-12-29 | 2019-04-16 | 内蒙古蒙草生态环境（集团）股份有限公司 | A kind of rubble refuse dump side slope earthing restorative procedure |
| CN209941695U (en) * | 2019-01-07 | 2020-01-14 | 四川川煤华荣能源股份有限公司 | Comprehensive treatment structure for steep slope type coal gangue dump |
| CN211816332U (en) * | 2020-03-20 | 2020-10-30 | 攀钢集团矿业有限公司 | Ecological restoration structure of high and steep side slope of refuse dump |
| CN213296390U (en) * | 2020-08-27 | 2021-05-28 | 中国电建集团贵阳勘测设计研究院有限公司 | Ecological slope protection structure that interlocking-type ecological building block and reinforced earth combine |
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Application publication date: 20211109 |
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