CN105123004A - Soil configuration during waste land second ploughing and land reclamation method - Google Patents
Soil configuration during waste land second ploughing and land reclamation method Download PDFInfo
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- CN105123004A CN105123004A CN201510456625.3A CN201510456625A CN105123004A CN 105123004 A CN105123004 A CN 105123004A CN 201510456625 A CN201510456625 A CN 201510456625A CN 105123004 A CN105123004 A CN 105123004A
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Abstract
The invention relates to the technical field of land reclamation engineering and in particular relates to a soil configuration during waste land second ploughing and a land reclamation method. The soil configuration orderly comprises a stereoscopic mixing layer, an immature soil layer and a plough layer from bottom to top on a to-be-filled waste land bottom layer, wherein in an immature soil filling area of the mixing layer, a plurality of separation line section areas form a font structure; a gangue filling area is divided into a plurality of parts by the immature soil filling area; moisture can be remained in the immature soil filling area; moisture can be transplanted even though the gangue filling area cannot remain moisture; and with the establishment of the immature soil filling area in a grid structure, the moisture can be transplanted and remained in the immature soil filling area, so moisture loss can be avoided and moisture retention rate can be greatly improved. The font structure of the immature soil filling area can be effectively formed by the use of the soil reclamation method, so an effective moisture transplantation mode can be built; and the land reclamation method is advantaged by convenient construction and quickness.
Description
Technical field
The present invention relates to land control field of engineering technology, particularly relate to the soil body configuration in the second ploughing of a kind of discarded ground and land control method.
Background technology
Due to industry and mining exploitation, there is the abandoned location of industry and mining in large face in China, result in that a large amount of land resources is discarded maybe cannot cultivate; Meanwhile, can produce a large amount of gangues in coal mining processing and utilization process, gangue is deposited in earth's surface throughout the year, and form the coal gangue hill differed in size, coal gangue hill easily spontaneous combustion occurs, and by contaminated environment easy after rain, meanwhile, also covers land resources.Existing gangue Reclamation by filling generally adopts the direct filling Subsidence Area of gangue to cover the method for table soil again, although achieve certain soil reclaimation, but reclaimed land soil water-retaining, soil moisture conservation, fertilizer conservation poor performance, the crop yield of farming is low, can not at utmost recover Subsidence Area land use value.
Therefore, for above deficiency, need to provide the soil body configuration in the second ploughing of a kind of discarded ground and land control method.
Summary of the invention
(1) technical problem that will solve
The technical problem to be solved in the present invention is the soil water-retaining of the soil body configuration that existing gangue fill method is formed, soil moisture conservation, fertilizer conservation poor performance, and the crop yield of farming is low, at utmost can not recover the problem of Subsidence Area waste land use value.
(2) technical scheme
In order to solve the problems of the technologies described above, the invention provides the soil body configuration in the second ploughing of a kind of discarded ground, be included in mixed layer that discarded ground to be filled bottom sets gradually from the bottom to top, raw soil layer and plow layer, described mixed layer comprises gangue fill area and immature soil fill area; Described immature soil fill area forms character form structure by multiple isolation line segment district, and described gangue fill area is isolated into multiple part by described immature soil fill area.
Preferably, described character form structure is sphere of movements for the elephants shape or " rice " font.
Preferably, described character form structure is multiple, and shared by each font, the area in plot is 100 square metres.
Preferably, the thickness of described gangue fill area and described immature soil fill area is 1-2 rice.
Preferably, the gradient of the aspect of described mixed layer is less than 3 °; The domatic gradient of described discarded ground to be filled bottom is less than 3 °.
Preferably, the thickness of described raw soil layer is 30-40cm; The thickness of described plow layer is 25-35cm; The width in described isolation line segment district is 2.5m.
Present invention also offers the land control method in the second ploughing of a kind of discarded ground, comprise the following steps:
S1: according to the geographical form of discarded ground bottom, determines the area intending filling in regulation soil;
S2: carry out smooth to the earth's surface of described discarded ground bottom and roll;
S3: discarded ground bottom described in step S2 is divided into multiple cellular zone;
S4: rule according to the font of setting in cellular zone, to form isolation line segment district;
S5: fill the immature soil in described isolation line segment district, to form immature soil fill area;
S6: isolate the area filling gangue beyond line segment district in cellular zone, form gangue fill area, the consistency of thickness of described gangue fill area and described immature soil fill area, and described gangue fill area and described immature soil fill area forms mixed layer;
S7: carry out smooth to described mixed layer and roll;
S8: overall backfill one deck immature soil above smooth and described mixed layer after rolling in the step s 7, and carry out smooth and roll, to form raw soil layer;
S9: overall backfill one deck anthropogenic soil on raw soil layer described in step S8, and carry out smooth to soil, to form plow layer.
Preferably, the font in described isolation line segment district is sphere of movements for the elephants shape or " rice " font.
Preferably, described mixed layer thickness is 1-2 rice; The thickness of described raw soil layer is 30-40cm; The thickness of described plow layer is 25-35cm.
Preferably, bottom smooth and after rolling the domatic gradient in described discarded ground to be filled is less than 3 °; The gradient of the aspect of described mixed layer is less than 3 °.
(3) beneficial effect
Technique scheme tool of the present invention has the following advantages: soil body configuration provided by the invention establishes three-dimensional mixed layer from the bottom to top successively at discarded ground to be filled bottom, the soil body configuration of raw soil layer and plow layer, mixed layer comprises gangue fill area and immature soil fill area, immature soil fill area forms character form structure by multiple isolation line segment district, gangue fill area is isolated into multiple part by immature soil fill area, this soil body configuration not only has the vertical combination of gangue and the immature soil, also has horizontal integration, immature soil fill area can keep moisture, although gangue fill area does not keep moisture, but the migration of moisture can be carried out, by the foundation of the immature soil fill area of network structure, moisture is finally moved and remains on immature soil fill area, thus avoid moisture and run off rapidly, substantially increase moisture retention.
Simultaneously, plow layer can keep moisture and nutrient, raw soil layer is filled below plow layer, raw soil layer effectively can keep moisture, and for plow layer crop growth, this soil body configuration has good soil water-retaining, soil moisture conservation, fertilizer conservation effect, improve crop yield, achieve the recycling on discarded ground, reach the object of land control, at utmost recover the problem of Subsidence Area waste land use value.
Further, use gangue to fill, make use of discarded Coal Gangue Resource, saved immature soil resource simultaneously, reduce the pollution of exposed gangue to environment.
Land control method provided by the invention effectively can form the character form structure of immature soil fill area, and gangue fill area is isolated into multiple part by immature soil fill area, thus sets up effective water translocation pattern.There is easy construction, efficiently advantage.
Accompanying drawing explanation
Fig. 1 is the soil body configuration profile in the embodiment of the present invention one discarded ground second ploughing;
Fig. 2 is the mixed layer of the embodiment of the present invention one sphere of movements for the elephants shape;
Fig. 3 is the mixed layer of the embodiment of the present invention one " rice " font.
In figure: 1: plow layer; 2: raw soil layer; 3: gangue fill area; 4: discarded ground to be filled bottom; 5: immature soil fill area; 6: mixed layer.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of protection of the invention.
Embodiment one
As Figure 1-3, soil body configuration in a kind of discarded ground second ploughing that the embodiment of the present invention provides, be included in mixed layer 6 that discarded ground to be filled bottom 4 sets gradually from the bottom to top, raw soil layer 2 and plow layer 1, mixed layer 2 comprises gangue fill area 3 and immature soil fill area 5; Immature soil fill area 5 forms character form structure by multiple isolation line segment district, and in the present embodiment, the width in isolation line segment district is 2.5m, and gangue fill area 3 is isolated into multiple part by immature soil fill area 5.The gradient≤3 on the earth's surface of discarded ground to be filled bottom 4 ° and, guarantee that ground settlement is stablized.
In the present embodiment, realize water tariff collection in order to more effective, character form structure is sphere of movements for the elephants shape or " rice " font, and character form structure is multiple, and shared by each font, the area in plot is 100 square metres.Certainly, also can two kinds of font mixing arrange, to form more optimal network structure.The length of side in the isolation line segment district of composition sphere of movements for the elephants shape is 20m, and the length of side in the isolation line segment district of composition " rice " font is 12m.In order to reach better water translocation and keep effect, the thickness >=1m of immature soil fill area 5, the consistency of thickness of gangue fill area 3 and immature soil fill area 5.In the present embodiment, the gradient of the aspect of mixed layer 6 is less than 3 °; The thickness of raw soil layer 2 is 30-40cm; The thickness of plow layer 1 is 25-35cm.Certainly, the thickness of raw soil layer 2 and plow layer 1 can be determined according to soil condition.
The soil body configuration that the present embodiment provides establishes the soil body configuration of three-dimensional mixed layer 6, raw soil layer 2 and plow layer 1 from the bottom to top successively at discarded ground to be filled bottom 4.Mixed layer 6 comprises gangue fill area 3 and immature soil fill area 5; Immature soil fill area 5 forms sphere of movements for the elephants shape or " rice " character form structure by multiple isolation line segment district, and gangue fill area 3 is isolated into multiple part by immature soil fill area 5.This soil body configuration not only has gangue and the vertical combination of the immature soil, also has horizontal integration.Immature soil fill area 5 can keep moisture, although gangue fill area 3 does not keep moisture, but the migration of moisture can be carried out, by the foundation of the immature soil fill area 5 of network structure, moisture is finally moved and remains on immature soil fill area 5, thus avoid moisture and run off rapidly, substantially increase moisture retention.
Wherein, plow layer 1 can keep moisture and nutrient, and fill raw soil layer 2 below plow layer 1, raw soil layer 2 effectively can keep moisture, for plow layer crop growth.This soil body configuration has good soil water-retaining, soil moisture conservation, fertilizer conservation effect, improves crop yield, achieves the recycling on discarded ground, reaches the object of land control, at utmost recover the problem of Subsidence Area waste land use value.Use gangue to fill, saved immature soil resource, make use of Coal Gangue Resource simultaneously, reduced the pollution of exposed gangue to environment.
Embodiment two
The embodiment of the present invention two provides the land control method in the second ploughing of a kind of discarded ground, comprises the following steps:
S1: according to the geographical form of discarded ground bottom, determines the area intending filling in regulation soil;
S2: the earth's surface of described discarded ground bottom 4 is carried out smooth and roll, smooth and domatic after rolling is less than 3, and guarantees settlement stability;
S3: discarded ground bottom 4 described in step S2 is divided into multiple cellular zone;
S4: rule according to the font of setting in cellular zone, to form isolation line segment district, in the present embodiment, font is sphere of movements for the elephants shape or " rice " font;
S5: fill the immature soil in described isolation line segment district, to form immature soil fill area 5;
S6: isolate the area filling gangue beyond line segment district in cellular zone, forms gangue fill area 3, the consistency of thickness of described gangue fill area 3 and described immature soil fill area 5, and described gangue fill area 3 and described immature soil fill area 5 form mixed layer 6;
S7: carry out smooth to described mixed layer 6 and roll, making the gradient of aspect be less than 3 °;
S8: overall backfill one deck immature soil above smooth and described mixed layer after rolling in the step s 7, and carry out smooth and roll, to form raw soil layer 2, the thickness of raw soil layer is 30-40cm;
S9: overall backfill one deck anthropogenic soil on raw soil layer described in step S8 2, and carry out smooth to soil, to form plow layer 1, the thickness of plow layer 1 is 25-35cm.
Land control method provided by the invention effectively can form the character form structure of immature soil fill area 5, and gangue fill area 3 is isolated into multiple part by immature soil fill area 5, thus sets up effective water translocation pattern, has easy construction, efficiently advantage.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. the soil body configuration in discarded ground second ploughing, is characterized in that, be included in mixed layer that discarded ground to be filled bottom sets gradually from the bottom to top, raw soil layer and plow layer, described mixed layer comprises gangue fill area and immature soil fill area; Described immature soil fill area forms character form structure by multiple isolation line segment district, and described gangue fill area is isolated into multiple part by described immature soil fill area.
2. soil body configuration according to claim 1, is characterized in that: described character form structure is sphere of movements for the elephants shape or " rice " font.
3. soil body configuration according to claim 2, is characterized in that: described character form structure is multiple, and shared by each font, the area in plot is 100 square metres.
4. soil body configuration according to claim 3, is characterized in that: the thickness of described gangue fill area and described immature soil fill area is 1-2 rice.
5. soil body configuration according to claim 1, is characterized in that: the gradient of the aspect of described mixed layer is less than 3 °; The domatic of described discarded ground to be filled bottom is less than 3 °.
6. soil body configuration according to claim 1, is characterized in that: the thickness of described raw soil layer is 30-40cm; The thickness of described plow layer is 25-35cm; The width in described isolation line segment district is 2.5m.
7. the land control method in the second ploughing of discarded ground, is characterized in that, comprise the following steps:
S1: according to the geographical form of discarded ground bottom, determines the area intending filling in regulation soil;
S2: carry out smooth to the earth's surface of described discarded ground bottom and roll;
S3: discarded ground bottom described in step S2 is divided into multiple cellular zone;
S4: rule according to the font of setting in cellular zone, to form isolation line segment district;
S5: fill the immature soil in described isolation line segment district, to form immature soil fill area;
S6: isolate the area filling gangue beyond line segment district in cellular zone, form gangue fill area, the consistency of thickness of described gangue fill area and described immature soil fill area, and described gangue fill area and described immature soil fill area forms mixed layer;
S7: carry out smooth to described mixed layer and roll;
S8: overall backfill one deck immature soil above smooth and described mixed layer after rolling in the step s 7, and carry out smooth and roll, to form raw soil layer;
S9: overall backfill one deck anthropogenic soil on raw soil layer described in step S8, and carry out smooth to soil, to form plow layer.
8. land control method according to claim 7, is characterized in that, the font in described isolation line segment district is sphere of movements for the elephants shape or " rice " font.
9. land control method according to claim 8, is characterized in that, described mixed layer thickness is 1-2 rice; The thickness of described raw soil layer is 30-40cm; The thickness of described plow layer is 25-35cm.
10. land control method according to claim 9, is characterized in that, bottom smooth and after rolling the domatic gradient in described discarded ground to be filled is less than 3 °; The gradient of the aspect of described mixed layer is less than 3 °.
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| CN201510456625.3A CN105123004B (en) | 2015-07-29 | 2015-07-29 | Soil body configuration and land control method in a kind of discarded ground second ploughing |
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| CN110692307A (en) * | 2019-11-01 | 2020-01-17 | 西南大学 | Soil body configuration for production and construction project and improvement method thereof |
| CN114988961A (en) * | 2022-06-10 | 2022-09-02 | 中节能铁汉生态环境股份有限公司 | Improved mixture and method for curing raw soil |
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| CN114988961A (en) * | 2022-06-10 | 2022-09-02 | 中节能铁汉生态环境股份有限公司 | Improved mixture and method for curing raw soil |
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| CN105123004B (en) | 2017-07-14 |
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