CN213586863U - Mine and slope greening geotechnical pad - Google Patents
Mine and slope greening geotechnical pad Download PDFInfo
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- CN213586863U CN213586863U CN202022373255.6U CN202022373255U CN213586863U CN 213586863 U CN213586863 U CN 213586863U CN 202022373255 U CN202022373255 U CN 202022373255U CN 213586863 U CN213586863 U CN 213586863U
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Abstract
The utility model discloses a mine and side slope afforestation geotechnological pad, including the carrier cloth layer, the bottom on carrier cloth layer is provided with the skid resistant course, and the top on carrier cloth layer has set gradually nutrition layer, grass seed layer, second overburden and first overburden, and the skid resistant course, carrier cloth layer, nutrition layer, grass seed layer, second overburden and first overburden are sewed up through the stylolite and are formed into a whole, and first overburden includes plastic net layer and non-woven fabrics fibre layer, and the plastic net layer sets up at the top on non-woven fabrics fibre layer, and the plastic net layer is geogrid or adds the three-dimensional vegetation net of muscle. The utility model provides a pair of mine and side slope afforestation geotechnological pad lays simply, and it is effectual to keep water and afforest to have good isolation, prevention of seepage and anti-skidding function.
Description
Technical Field
The utility model relates to an environmental protection afforestation technical field especially relates to a mine and side slope afforestation geotechnological pad.
Background
With the continuous deep understanding of the theory of two mountains, the nation and related enterprises are continuously promoting ecological restoration and environmental greening, such as greening and slope protection of road slopes, and vegetation greening of mining areas and slag storage yards. Traditional mine greening is directly carried out vegetation spray seeding or filling and greening, but because the mine geological environment is complex, the soil pollution is serious, the plantable soil is not enough, the vegetation growth condition is severe, the greening effect is poor, and the repeated construction cost is high. The geotechnical material has certain application in greening slope protection of mines and side slopes, and plays roles of reinforcing and fixing soil of the geotechnical material to ensure stability of the side slopes, but the conventional geotechnical material cannot be directly used for improving greening effects of the mines and the side slopes, and working procedures such as soil covering, spray sowing and the like are needed, so that greening of the mines and the side slopes can be realized only by the whole engineering set.
SUMMERY OF THE UTILITY MODEL
The utility model provides a mine and side slope afforestation geotechnological pad lays simply to the not enough of background art, and it is effectual to keep water and afforest to have good isolation, prevention of seepage and anti-skidding function.
In order to achieve the above object, the present invention provides the following technical solutions: a mine and side slope greening geotechnical pad comprises a cloth carrying layer, wherein an anti-skid layer is arranged at the bottom of the cloth carrying layer, a nutrition layer, a grass seed layer, a second covering layer and a first covering layer are sequentially arranged at the top of the cloth carrying layer, and the anti-skid layer, the cloth carrying layer, the nutrition layer, the grass seed layer, the second covering layer and the first covering layer are sewn into a whole through sewing lines;
the first covering layer comprises a plastic net layer and a non-woven fabric fiber layer, the plastic net layer is arranged on the top of the non-woven fabric fiber layer, and the plastic net layer is a geogrid or a reinforced three-dimensional vegetation net.
Adopt above-mentioned scheme, the skid resistant course that sets up has anti-skidding effect, prevent that geotechnological pad from laying and taking place to slide when mine or slope, the stability of geotechnological pad has been guaranteed, the year cloth layer that sets up has realized keeping apart and the prevention of seepage with the earth's surface, soil erosion and water loss and pollutant diffusion have been avoided, and can provide mechanical properties for geotechnological pad, the nutrition layer of setting can provide the nutrient for the plant, the second overburden of setting can cover the material of nutrition layer on the one hand, on the other hand self also can provide nutrition for vegetation, non-woven fabrics fibrous layer is not more than 100g/m by grammes per square metre2The non-woven fabrics make, have the sunshade effect of moisturizing, can reduce self and the speed of bottom soil moisture evaporation, be favorable to satisfying the demand of plant seed to moisture, avoid because the problem that moisture disappearance plant seed survival rate is low, greening effect has been improved, the plastics stratum reticulare is geogrid or the three-dimensional vegetation net of muscle, further promote the whole mechanical properties of product, the bank protection ability of product has been increased, can also provide the basis for the earthing spray-seeding process that follow-up probably exists, the plant seed on grass seed layer grows easily and easily passes first overburden and second overburden, the growth of plant seed can not influenced by first overburden and the second overburden of setting.
Preferably, the nutrition layer is a mixture of coconut palm fiber, nutrition soil, bentonite and compound fertilizer, and the mass per unit area is 2000-4000g/m2。
By adopting the scheme, the mixture of the coconut palm fiber, the nutrient soil, the bentonite and the compound fertilizer can provide the most basic growth condition for the grass seed layer, and is beneficial to the growth of plant seeds.
Preferably, the anti-slip layer is one of a silicon rubber cloth and a non-woven fabric.
By adopting the scheme, the friction coefficient of the silicon rubber cloth and the non-woven fabric is large, and the anti-slip effect can be achieved, so that the applicability of the geotechnical pad on the side slope is enhanced.
Preferably, the second cover layer is a coconut fiber blanket.
By adopting the scheme, the coconut fiber silk blanket can cover the material of the nutrition layer on one hand, and can provide nutrition for plant growth on the other hand.
Preferably, the fabric carrier layer is one or more of a coconut fiber blanket, a woven fabric, a high-density polyethylene film, a composite geomembrane, a biaxial tension net and a non-woven fabric.
Adopt above-mentioned scheme, when service environment with the vegetation greenization as the owner, carry one or more in the cloth layer chooses for use coconut palm silk blanket, woven cloth, high density polyethylene membrane, compound geomembrane or biaxial stretching net and the non-woven fabrics, because the net hole of biaxial stretching net is great, should cooperate the non-woven fabrics to use to block that the nutrition layer material passes through the hole.
Preferably, the carrier cloth layer is a sodium bentonite waterproof blanket, and the anti-slip layer and the top of the carrier cloth layer form a lap joint area.
Adopt above-mentioned scheme, when service environment needs the prevention of seepage to keep apart, carry the cloth layer and select for use the waterproof blanket of sodium bentonite, the width of overlap area is 20-50cm, the overlap area that sets up is used for laying the geotechnological pad combination, the geotechnological pad is the rectangle, geotechnological pad at least adjacent both sides have the overlap area, a plurality of geotechnological pads pass through the overlap area and splice together in the two-dimensional direction, then bond or sew up into a whole through the bonding agent, lay simply to can realize better isolation, prevention of seepage and anti-skidding function.
Preferably, the stitch pitch of the suture is smaller than 12 cm.
Preferably, the first cover layer further comprises a coconut palm fiber blanket layer and a hemp net layer, the coconut palm fiber blanket layer is arranged between the plastic net layer and the non-woven fabric fiber layer, and the hemp net layer is arranged at the bottom of the non-woven fabric fiber layer.
Preferably, the gram weight of the coconut palm fiber grass blanket layer is not more than 200g/m2The aperture of the hemp net layer is not more than 1.5cm multiplied by 1.5 cm.
Adopt above-mentioned scheme, the coconut palm grass blanket layer that sets up has the moisturizing effect, can further reduce the speed of bottom soil moisture evaporation to satisfy the demand of plant seed to moisture, the numb net layer of setting can play the fixed action.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) the skid resistant course that sets up has anti-skidding effect, prevents that geotechnological pad from laying and taking place to slide when mine or slope, has guaranteed geotechnological pad's stability, and the cloth layer that carries of setting has realized and has passed through with the isolation and the prevention of seepage on earth's surface, has avoided soil erosion and water loss and pollutant diffusion to can provide mechanical properties for geotechnological pad.
(2) The fiber layer of the non-woven fabric is composed of a gram weight of not more than 100g/m2The non-woven fabrics make, have the sunshade effect of moisturizing, can reduce self and bottom soil moisture evaporation's speed, be favorable to satisfying the demand of plant seed to moisture, avoid because the problem that moisture disappearance plant seed survival rate is low, greening effect has been improved, the coconut palm grass blanket layer that sets up has the effect of moisturizing, can further reduce bottom soil moisture evaporation's speed, the plastic net layer is geogrid or adds the three-dimensional vegetation net of muscle, the whole mechanical properties of product has further been promoted, the bank protection ability of product has been increased, can also provide the basis for the earthing spray-seeding process that follow-up probably exists.
(3) A plurality of geotechnical mats are spliced together in the two-dimensional direction and then are bonded or sewn into a whole through adhesives, so that the geotextile mat is easy to lay, and can realize better isolation, seepage prevention and anti-slip functions.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 2 is a schematic structural diagram of embodiment 2 of the present invention.
In the figure: 1. a first cover layer; 11. a plastic mesh layer; 12. a coconut palm grass blanket layer; 13. a non-woven fabric fiber layer; 14. a hemp net layer; 2. a second cover layer; 3. a grass seed layer; 4. a lap zone; 5. a nutritive layer; 6. a cloth carrying layer; 7. and an anti-slip layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1, the utility model provides a mine and side slope greening geotechnical pad, which comprises a cloth carrying layer 6, wherein the bottom of the cloth carrying layer 6 is provided with an anti-skid layer 7, the top of the cloth carrying layer 6 is sequentially provided with a nutrition layer 5, a grass seed layer 3, a second covering layer 2 and a first covering layer 1, and the anti-skid layer 7, the cloth carrying layer 6, the nutrition layer 5, the grass seed layer 3, the second covering layer 2 and the first covering layer 1 are sewn into a whole through sutures;
the first covering layer 1 comprises a plastic net layer 11 and a non-woven fabric fiber layer 13, the plastic net layer 11 is arranged on the top of the non-woven fabric fiber layer 13, and the plastic net layer 11 is a geogrid or a reinforced three-dimensional vegetation net.
The skid resistant course 7 that sets up has anti-skidding effect, prevent that geotechnological pad from laying and taking place to slide when mine or slope, the stability of geotechnological pad has been guaranteed, the isolation and the prevention of seepage with the earth's surface have been realized to the year cloth layer 6 that sets up, soil erosion and water loss and pollutant diffusion have been avoided, and can provide mechanical properties for geotechnological pad, the nutrition layer 5 of setting can provide the nutrient for the plant, the second overburden 2 of setting can cover the material of nutrition layer 5 on the one hand, on the other hand self also can provide nutrition for vegetation, non-woven fabrics fibrous layer 13 is not more than 100g/m by grammes per square metre and2the non-woven fabrics make, have the sunshade effect of moisturizing, can reduce self and the speed of bottom soil moisture evaporation, be favorable to satisfying the demand of plant seed to moisture, avoid because the problem that moisture lacks plant seed survival rate is low, improved the afforestation effect, plastics stratum reticulare 11 is geogrid or adds the three-dimensional vegetation net of muscle, further promotes the whole mechanical properties of product, increases and protects the waterThe slope protection capability of the product is added, a foundation can be provided for a subsequent soil covering and spray seeding process which possibly exists, the plant seeds of the grass seed layer 3 grow easily and penetrate through the first covering layer 1 and the second covering layer 2 easily, and the growth of the plant seeds cannot be influenced by the arranged first covering layer 1 and the second covering layer 2.
The nutrition layer 5 is a mixture of coconut palm fiber, nutrition soil, bentonite and compound fertilizer, and the mass per unit area is 2000-4000g/m2The mixture of coconut palm fiber, nutrient soil, bentonite and compound fertilizer can provide the most basic growth condition for the grass seed layer 3, and is beneficial to the growth of plant seeds.
The anti-skid layer 7 is one of silicon rubber cloth and non-woven fabrics, and the coefficient of friction of silicon rubber cloth and non-woven fabrics is great, can play the antiskid effect to the suitability of reinforcing geotechnological pad at the side slope.
The second cover layer 2 is a coir silk blanket which on the one hand can cover the material of the nutrition layer 5 and on the other hand can itself also provide nutrition for the growth of plants.
The stitch pitch of the suture is less than 12 cm.
The first cover layer 1 also comprises a coconut palm grass blanket layer 12 and a hemp net layer 14, the coconut palm grass blanket layer 12 is arranged between the plastic net layer 11 and the non-woven fabric fiber layer 13, the hemp net layer 14 is arranged at the bottom of the non-woven fabric fiber layer 13, and the gram weight of the coconut palm grass blanket layer 12 is not more than 200g/m2The aperture of the hemp net layer 14 is not more than 1.5cm multiplied by 1.5 cm.
The coconut palm grass blanket layer 12 that sets up has the effect of moisturizing, can further reduce the speed of bottom soil moisture evaporation to satisfy the demand of plant seed to moisture, the numb net layer 14 of setting can play the fixed action.
The working principle is as follows: when the geotechnical mats are laid, the geotechnical mats are spliced together in the two-dimensional direction through the overlapping area 4 and then are bonded or sewn into a whole through the adhesive, so that the geotechnical mats are easy to lay and can realize better isolation, seepage prevention and skid prevention functions;
the skid resistant course 7 that sets up has anti-skidding effect, prevent that geotechnological pad from laying and taking place to slide when mine or slope, the stability of geotechnological pad has been guaranteed, the isolation and the prevention of seepage with the earth's surface have been realized to the year cloth layer 6 that sets up, soil erosion and water loss and pollutant diffusion have been avoided, and can provide mechanical properties for geotechnological pad, the nutrition layer 5 of setting can provide the nutrient for the plant, the second overburden 2 of setting can cover the material of nutrition layer 5 on the one hand, on the other hand self also can provide nutrition for vegetation, non-woven fabrics fibrous layer 13 is not more than 100g/m by grammes per square metre and2the non-woven fabric has the functions of shading sun and retaining water, can reduce the speed of water evaporation of soil at the bottom and the self, is favorable for meeting the requirement of plant seeds on water, avoids the problem of low survival rate of the plant seeds due to water loss, improves the greening effect, the arranged coconut palm fiber grass blanket layer 12 has the function of retaining water, can further reduce the speed of water evaporation of the soil at the bottom, thereby satisfy the demand of plant seed to moisture, the numb stratum reticulare 14 of setting can play the fixed action, plastics stratum reticulare 11 is geogrid or the three-dimensional vegetation net of muscle, further promote the whole mechanical properties of product, the bank protection ability of product has been increased, can also provide the basis for the earthing spray-seeding process that follow-up probably exists, the plant seed of grass seed layer 3 grows easily and easily passes first overburden 1 and second overburden 2, first overburden 1 and second overburden 2 can not influence the growth of plant seed.
Example 2
Referring to fig. 2, different from embodiment 1, in the geotechnical pad for mine and slope greening provided in this embodiment, when the cloth-carrying layer 6 is one or more of a coconut fiber blanket, a woven cloth, a high-density polyethylene film, a composite geomembrane, a biaxially oriented net and a non-woven fabric, no overlapping area 4 is reserved on the tops of the anti-slip layer 7 and the cloth-carrying layer 6.
When the using environment is mainly vegetation greening, the cloth carrying layer 6 is one or more of a coconut fiber blanket, woven cloth, a high-density polyethylene film, a composite geomembrane or a biaxially oriented net and non-woven cloth, and the meshes of the biaxially oriented net are large, so that the cloth carrying layer is matched with the non-woven cloth to prevent the nutrient layer 5 from passing through the holes.
The working principle is as follows: when the geotechnical mats are laid, the geotechnical mats are spliced together in the two-dimensional direction and then are bonded or sewn into a whole through the adhesive, so that the geotechnical mats are easy to lay, and can realize better isolation, seepage prevention and anti-slip functions.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a mine and side slope afforestation geotechnological pad, includes carrier layer (6), its characterized in that: the bottom of the cloth carrying layer (6) is provided with an anti-skidding layer (7), the top of the cloth carrying layer (6) is sequentially provided with a nutrition layer (5), a grass seed layer (3), a second covering layer (2) and a first covering layer (1), and the anti-skidding layer (7), the cloth carrying layer (6), the nutrition layer (5), the grass seed layer (3), the second covering layer (2) and the first covering layer (1) are sewn into a whole through sewing lines;
the first covering layer (1) comprises a plastic net layer (11) and a non-woven fabric fiber layer (13), the plastic net layer (11) is arranged at the top of the non-woven fabric fiber layer (13), and the plastic net layer (11) is a geogrid or a reinforced three-dimensional vegetation net.
2. The mine and slope greening geotechnical pad according to claim 1, wherein: the anti-skid layer (7) is one of silicon rubber cloth and non-woven fabric.
3. The mine and slope greening geotechnical pad according to claim 2, wherein: the second covering layer (2) is a coconut fiber silk blanket.
4. The mine and slope greening geotechnical pad according to claim 3, wherein: the cloth carrying layer (6) is one or more of a coconut fiber blanket, a woven cloth, a high-density polyethylene film, a composite geomembrane, a biaxial tension net and a non-woven fabric.
5. The mine and slope greening geotechnical pad according to claim 3, wherein: the carrier cloth layer (6) is a sodium bentonite waterproof blanket, and the anti-slip layer (7) and the top of the carrier cloth layer (6) form a lap joint area (4).
6. The mine and slope greening geotechnical pad according to claim 4 or 5, wherein: the stitch pitch of the suture is smaller than 12 cm.
7. The mine and slope greening geotechnical pad according to claim 4 or 5, wherein: the first covering layer (1) further comprises a coconut palm grass blanket layer (12) and a hemp net layer (14), wherein the coconut palm grass blanket layer (12) is arranged between the plastic net layer (11) and the non-woven fabric fiber layer (13), and the hemp net layer (14) is arranged at the bottom of the non-woven fabric fiber layer (13).
8. The mine and slope greening geotechnical pad according to claim 7, wherein: the gram weight of the coconut palm grass blanket layer (12) is not more than 200g/m2The aperture of the hemp net layer (14) is not more than 1.5cm multiplied by 1.5 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022373255.6U CN213586863U (en) | 2020-10-22 | 2020-10-22 | Mine and slope greening geotechnical pad |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022373255.6U CN213586863U (en) | 2020-10-22 | 2020-10-22 | Mine and slope greening geotechnical pad |
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| CN213586863U true CN213586863U (en) | 2021-07-02 |
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| CN202022373255.6U Active CN213586863U (en) | 2020-10-22 | 2020-10-22 | Mine and slope greening geotechnical pad |
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