CN211690382U - Arsenic sandstone side slope ecological slope protection structure based on corrosion-resistant permeability-control composite material - Google Patents
Arsenic sandstone side slope ecological slope protection structure based on corrosion-resistant permeability-control composite material Download PDFInfo
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Abstract
The utility model discloses an ecological slope protection structure of arsenic sandstone side slope based on combined material is oozed in accuse of corrosion-resistant, include: the planting holes are formed in the side slope and comprise a plurality of planting holes which are uniformly arranged on the slope surface at intervals; the corrosion-resistant seepage-control layer is arranged on the whole slope surface of the side slope, the hole bottom and the hole wall surface of the planting hole and is consolidated with the arsenopyrite to form the corrosion-resistant seepage-control layer with the functions of water retention and fertilizer retention; the nutrition substrate is arranged in the planting holes with the surfaces covered with the corrosion-resistant permeation-control layers and used for providing nutrition for the planted plants; the water catch bowl is equipped with one in every planting hole, and the one end of every water catch bowl is inserted plant in the hole with nutrition substrate is linked together, and the other end extends to outside planting the hole for collect the rainwater. The utility model discloses can promote vegetation, realize the ecological restoration of arsenic sand side slope, also can effectively prevent the soil erosion and water loss of arsenic sand side slope simultaneously.
Description
Technical Field
The utility model relates to an ecological slope protection structure of arsenic sandstone side slope based on composite material is oozed in accuse of resisting corrosion.
Background
The arsenicum region is located in the Ordos plateau, the climate type is a transition region of drought and semiarid regions, the landform type is also a transition region from the loess plateau to the northwest desert type, the environmental heterogeneity is extremely prominent, the soil is barren, the vegetation is rare, the vegetation degradation is severe, and the soil erosion is severe. With the implementation of western major development strategies and the rapid development of local economy, the construction of infrastructures such as roads and railways promotes the development of the local economy and also causes the damage to the local ecological environment, and due to the characteristics that arsenopyrite becomes mud when meeting water and becomes sand when meeting wind, the water and soil loss of the local is aggravated by newly-built roads and railways such as the equilateral slopes.
At present, the method for slope protection of side slopes of roads in arsenopyrite areas mainly comprises biological measures and engineering measures.
The biological measures are to realize the protection of the side slope by planting plants on the arsenic sandstone side slope, but because the arsenic sandstone area has poor water resources and poor soil, the survival rate of the plants is low, and the side slope is difficult to be effectively protected.
Engineering measures generally adopt a method of spraying hard materials such as cement, sand and the like on the surface of a road side slope by using high-pressure spraying equipment, and although water and soil loss of the side slope is prevented to a certain extent, plants cannot grow on the side slope, the side slope is not harmonious with the surrounding natural environment, and the development trend is contrary to the harmonious development trend of the current human and nature.
Therefore, the novel ecological slope protection method which can realize ecological restoration of the arsenopyrite side slope, has a certain natural landscape effect, can also effectively prevent water and soil loss of the side slope and has certain safety and durability is the development trend of the arsenopyrite side slope protection in the future.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model aims at providing a arsenic sandstone side slope protection structure for overcoming the defects of the prior arsenic sandstone side slope ecological slope protection structure based on corrosion-resistant seepage-control composite materials. The structure can promote plant growth, realize ecological restoration of the arsenic sand side slope and effectively prevent water and soil loss of the arsenic sand side slope.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
the utility model provides an ecological slope protection structure of arsenic sandstone side slope based on combined material is oozed in anti-corrosion accuse, includes:
the planting holes are formed in the side slope and comprise a plurality of planting holes which are uniformly arranged on the slope surface at intervals;
the corrosion-resistant seepage-control layer is arranged on the whole slope surface of the side slope and the hole bottom and the hole wall surface of the planting hole, is formed by consolidating a corrosion-resistant seepage-control material and arsenopyrite, and has the functions of water retention and fertilizer retention;
the nutrition substrate is arranged in the planting holes with the surfaces covered with the corrosion-resistant permeation-control layers and used for providing nutrition for the planted plants;
the water catch bowl is equipped with one in every planting hole, and the one end of every water catch bowl is inserted plant in the hole with nutrition substrate is linked together, and the other end extends to outside planting the hole for collect the rainwater.
The planting holes are cuboid, cube or cylinder, the included angle between the planting holes and the slope surface is 45-90 degrees, the planting holes are integrally arranged on the slope surface to form rhombus or rectangle, the line spacing is 50-100 cm, and the distance is 50-100 cm.
The diameter of the planting hole of the cylinder is 15 cm-25 cm, and the height of the planting hole is 15 cm-30 cm.
The water collecting tank is an arc water collecting tank made of pipes, the radian is 120-180 degrees, and the length is 15-25 cm; the position is inserted into the lower edge of the planting hole, and 3 cm-5 cm is reserved outside.
The thickness of the corrosion-resistant permeation-control layer is 1 cm-3 cm.
The utility model discloses following outstanding beneficial effect has:
(1) the utility model discloses at the downthehole coating erosion-resistant accuse permeable stratum of planting, this erosion-resistant accuse permeable stratum can consolidate loose soil, plays the effect of moisturizing fertilizer conservation to can effectively prevent the seepage of moisture and domatic erosion.
(2) The utility model provides a by the configuration of arsenic sand, slowly-releasing organic fertilizer, water-retaining agent, rice husk charcoal, vermiculite, microbial inoculum etc. and form the nutrition substrate, for vegetation builds suitable soil environment. The slow-release organic fertilizer can be slowly decomposed in soil, can maintain the fertilizer efficiency for a long time, and provides sufficient nutrients for the growth of plants. The advantageous microbial agent can not only improve the physical and chemical properties of soil, but also improve the fertilizer retention and water retention properties, promote the nutrient absorption of plants and improve the activity of plant roots.
(3) The utility model discloses the water catch bowl that sets up can effectively collect the rainwater, improves the survival rate of plant.
(4) Compared with the traditional arsenic sandstone side slope protection method, the utility model provides a pair of arsenic sandstone side slope ecological slope protection structure based on anti-corrosion seepage-control composite material and construction method thereof, it is with low costs, the feasibility is high, not only can promote vegetation, realizes the ecological restoration of side slope, also can prevent the soil erosion and water loss of arsenic sandstone side slope through spraying anti-corrosion seepage-control layer.
Drawings
FIG. 1 is a schematic view of the angle between the planting hole and the slope surface;
wherein, X-slope direction, Y-hole axis direction of planting hole;
FIG. 2 is a schematic view of the connection structure of the water collecting tank and the planting hole of the present invention;
wherein, 5-planting hole, 4-water collecting tank;
FIG. 3 is a schematic view of a slope protection structure;
wherein, 1-a sandstone side slope, 2-an erosion-resistant control seepage layer and 3-shrubs;
FIG. 4 is a microstructure diagram of sandstone;
FIG. 5 is a microstructure of a consolidation of arsenopyrite and erosion resistant control-permeability layer.
Detailed Description
The following claims are presented in further detail with reference to specific embodiments, but should not be construed as limiting the invention in any way, and any number of modifications that anyone can make within the scope of the claims are within the scope of the invention. The following examples are, unless otherwise indicated, all of the routine experimentation and procedures known in the art.
The utility model provides an ecological slope protection structure of arsenic sandstone side slope based on combined material is oozed in anti-corrosion accuse, includes:
the planting holes 5 are formed in the side slope, the planting holes 5 comprise a plurality of holes, and the planting holes 5 are uniformly arranged on the slope surface at intervals;
the corrosion-resistant seepage-control layer 2 is arranged on the whole slope surface of the side slope, the hole bottom and the hole wall surface of the planting hole 5 and is consolidated with the sandstone to form the corrosion-resistant seepage-control layer with the functions of water retention and fertilizer retention;
the nutrition substrate is arranged in the planting holes with the surfaces covered with the corrosion-resistant permeation-control layers and used for providing nutrition for the planted plants;
the water catch bowl 4 is equipped with one in every planting hole, and the one end of every water catch bowl 4 is inserted plant in the hole with the nutrition substrate is linked together, the other end extends to outside planting the hole for collect the rainwater.
Furthermore, the planting holes are cuboid, cube or cylinder, the included angle between the planting holes and the slope is 45-90 degrees, the line spacing is 50-100 cm, the distance is 50-100 cm, and the planting holes are integrally arranged into rhombus or rectangle.
Furthermore, the diameter of the cylindrical planting hole is 15 cm-25 cm, and the height of the cylindrical planting hole is 15 cm-30 cm.
Further, the water collecting tank is an arc water collecting tank made of pipes, the radian is 120-180 degrees, and the length is 15-25 cm; the position is inserted into the lower edge of the planting hole, and 3 cm-5 cm is reserved outside.
Example 1: the case implementation place is 725 kilometers in 109 national roads of Huldos city of autonomous region of inner Mongolia, and the construction area is about 400m2The concrete construction process is as follows:
(1) and (3) finishing the slope, removing the floating layer, measuring and recording parameters of the slope, such as the slope length, the slope gradient and the like, wherein the slope length is 15.6m, the upper section slope gradient is 56 degrees, the interruption slope gradient is 43 degrees, and the lower end slope gradient is 74 degrees.
(2) Designing and arranging the row spacing (the row spacing is 1.0m and the spacing is 1.0m) of the planting holes, drilling holes on the slope surface by using a hollow drill, forming an included angle of 45 degrees with the slope surface, wherein the hole depth is 15cm, the diameter is 15cm, and cleaning the planting holes;
(3) uniformly spraying a corrosion-resistant seepage-control layer with the concentration of 5% on the bottom of the planting hole and the wall of the hole, and solidifying the corrosion-resistant seepage-control layer with the water and fertilizer retention function with the arsenopyrite; the material of the corrosion-resistant permeation-control layer is prepared from the following raw materials in parts by weight, 45 parts of toluene diisocyanate; 35 parts of polyether glycol; 1, 4-butanediol, 0.5 part; 6 parts of diferentiarymethylpropanoic acid; 6 parts of epoxy resin; and 2 parts of polyvinyl alcohol particles, and the modified hydrophilic polyurethane composite material is obtained by a polymerization stage of 2 hours and a polymerization adjustment stage of 3 hours at the temperature of 60 ℃;
(4) preparing a nutrition base material, wherein the nutrition base material is prepared from the following raw materials in parts by weight: 15 parts of arsenicum sand, 30 parts of sand, 3 parts of slow-release organic fertilizer, 0.1 part of water-retaining agent, 6 parts of rice husk carbon, 3 parts of vermiculite, 0.1 part of microbial agent and 10 parts of humus; pouring the prepared nutrient substrate into the planting hole to create a soil environment suitable for plant growth, preferably to fill the soil environment, and removing the overflowing part;
(5) adopting a PVC pipe to manufacture a water collecting tank, wherein the length is 15cm, the radian is 120 degrees, each planting hole is inserted into one water collecting tank, and 5cm is reserved outside the hole and is used for collecting rainwater;
(6) 1 sea-buckthorn is planted in the nutrient substrate, and 1g of alfalfa is sowed;
(7) spraying a 6% concentration corrosion-resistant seepage-control layer on the whole slope surface, wherein the corrosion-resistant seepage-control layer is solidified with arsenopyrite to form a corrosion-resistant seepage-control layer with the function of reducing erosion of rainwater;
(8) and (5) maintaining and managing.
The construction is carried out for the time, 416 sea-buckthorn plants are planted, the height of the plants is 10 cm-20 cm, 383 sea-buckthorn plants survive, and the survival rate is 92.1%.
Example 2:
the case implementation place is 725 kilometers in 109 national roads of Huldos city of autonomous region of inner Mongolia, and the construction area is about 400m2The concrete construction process is as follows:
(1) and (3) finishing the slope, removing the floating layer, measuring and recording parameters of the slope, such as the slope length, the slope gradient and the like, wherein the slope length is 15.6m, the upper section slope gradient is 56 degrees, the interruption slope gradient is 43 degrees, and the lower end slope gradient is 74 degrees.
(2) Designing and arranging the row spacing (row spacing is 1.0m and spacing is 1.0m) of planting holes, drilling holes on the slope surface by using a hollow drill, forming an included angle of 70 degrees with the slope surface, wherein the hole depth is 21cm, the diameter is 20cm, and cleaning the planting holes;
(3) uniformly spraying a corrosion-resistant seepage-control layer with the concentration of 5% on the bottom of the planting hole and the wall of the hole, and solidifying the corrosion-resistant seepage-control layer with the water and fertilizer retention function with the arsenopyrite; the material of the corrosion-resistant permeation-control layer is prepared from the following raw materials in parts by weight, 50 parts of toluene diisocyanate; 40 parts of polyether glycol; 1, 4-butanediol, 2.5 parts; 6.5 parts of diferentiary methylpropanoic acid; 6.5 parts of epoxy resin; and 3.5 parts of polyvinyl alcohol particles, and the modified hydrophilic polyurethane composite material is obtained by a polymerization stage of 3 hours and a polymerization adjustment stage of 3 hours at the temperature of 90 ℃;
(4) preparing a nutrition base material, wherein the nutrition base material is prepared from the following raw materials in parts by weight: 52 parts of arsenicum sand, 40 parts of sand, 5 parts of slow-release organic fertilizer, 0.2 part of water-retaining agent, 6 parts of rice husk carbon, 3 parts of vermiculite, 0.5 part of microbial agent and 13 parts of humus; pouring the prepared nutrient substrate into the planting hole to create a soil environment suitable for plant growth, preferably to fill the soil environment, and removing the overflowing part;
(5) a PVC pipe is adopted to manufacture a water collecting tank, the length is 15cm, the radian is 150 degrees, each planting hole is inserted into one water collecting tank, and 5cm is reserved outside the hole and is used for collecting rainwater;
(6) 1 sea-buckthorn is planted in the nutrient substrate, and 1g of alfalfa is sowed;
(7) spraying a 6% concentration corrosion-resistant seepage-control layer on the whole slope surface, wherein the corrosion-resistant seepage-control layer is solidified with arsenopyrite to form a corrosion-resistant seepage-control layer with the function of reducing erosion of rainwater;
(8) and (5) maintaining and managing.
The construction is carried out for 420 plants of seabuckthorn, the height of the plants is 10 cm-20 cm, 390 plants survive, and the survival rate is 92.8%.
Example 3:
the case implementation place is 725 kilometers in 109 national roads of Huldos city of autonomous region of inner Mongolia, and the construction area is about 400m2The concrete construction process is as follows:
(1) and (3) finishing the slope, removing the floating layer, measuring and recording parameters of the slope, such as the slope length, the slope gradient and the like, wherein the slope length is 15.6m, the upper section slope gradient is 56 degrees, the interruption slope gradient is 43 degrees, and the lower end slope gradient is 74 degrees.
(2) Designing and arranging the row spacing (the row spacing is 1.0m and the spacing is 1.0m) of the planting holes, drilling holes on the slope surface by using a hollow drill, wherein the included angle between the hole and the broken surface is 90 degrees, the hole depth is 30cm, the diameter is 20cm, and cleaning the planting holes;
(3) uniformly spraying a corrosion-resistant seepage-control layer with the concentration of 5% on the bottom of the planting hole and the wall of the hole, and solidifying the corrosion-resistant seepage-control layer with the water and fertilizer retention function with the arsenopyrite; the material of the corrosion-resistant permeation-control layer is prepared from the following raw materials in parts by weight, wherein 55 parts of toluene diisocyanate; 45 parts of polyether glycol; 1, 4-butanediol, 5 parts; 7 parts of di-light methylpropanoic acid; 7 parts of epoxy resin; 5 parts of polyvinyl alcohol particles, and a modified hydrophilic polyurethane composite material is obtained by a polymerization stage of 5 hours and a polymerization adjustment stage of 4 hours at the temperature of 120 ℃;
(4) preparing a nutrition base material, wherein the nutrition base material is prepared from the following raw materials in parts by weight: 30 parts of arsenicum sand, 60 parts of sand, 10 parts of slow-release organic fertilizer, 0.2 part of water-retaining agent, 6 parts of rice husk carbon, 3 parts of vermiculite, 0.5 part of microbial agent and 40 parts of humus; pouring the prepared nutrient substrate into the planting hole to create a soil environment suitable for plant growth, preferably to fill the soil environment, and removing the overflowing part;
(5) a PVC pipe is adopted to manufacture a water collecting tank, the length is 15cm, the radian is 180 degrees, each planting hole is inserted into one water collecting tank, and 5cm is reserved outside the hole and is used for collecting rainwater;
(6) 1 sea-buckthorn is planted in the nutrient substrate, and 1g of alfalfa is sowed;
(7) spraying a 6% concentration corrosion-resistant seepage-control layer on the whole slope surface, wherein the corrosion-resistant seepage-control layer is solidified with arsenopyrite to form a corrosion-resistant seepage-control layer with the function of reducing erosion of rainwater;
(8) and (5) maintaining and managing.
The construction is carried out for 420 plants of seabuckthorn, the height of the plants is 10 cm-20 cm, 390 plants survive, and the survival rate is 92.8%.
The utility model discloses a corrosion-resistant accuse permeable stratum has advantages such as nontoxic, pollution-free (see table 1), has high security, does not cause secondary pollution to the ecological environment, is an environment-friendly type material.
TABLE 1 water quality sample test results for leach liquor of corrosion-resistant control infiltration layer
The corrosion-resistant seepage-control layer can consolidate loose sandstone (see figure 4) to form a large-scale reticular structure layer (see figure 5) which has the effects of water retention and fertilizer retention, thereby effectively preventing water seepage and slope erosion.
Claims (5)
1. The utility model provides an ecological slope protection structure of arsenic sandstone side slope based on combined material is oozed in accuse of corrosion-resistant, its characterized in that includes:
the planting holes are formed in the side slope and comprise a plurality of planting holes which are uniformly arranged on the slope surface at intervals;
the corrosion-resistant seepage-control layer is arranged on the whole slope surface of the side slope and the hole bottom and the hole wall surface of the planting hole, is formed by consolidating a corrosion-resistant seepage-control material and arsenopyrite, and has the functions of water retention and fertilizer retention;
the nutrition substrate is arranged in the planting holes with the surfaces covered with the corrosion-resistant permeation-control layers and used for providing nutrition for the planted plants;
the water catch bowl is equipped with one in every planting hole, and the one end of every water catch bowl is inserted plant in the hole with nutrition substrate is linked together, and the other end extends to outside planting the hole for collect the rainwater.
2. The ecological slope protection structure of arsenic sandstone side slope based on corrosion-resistant permeability-control composite material as claimed in claim 1, wherein the planting holes are cuboid, cube or cylinder, the included angle between the planting holes and the slope surface is 45-90 °, the planting holes are integrally arranged on the slope surface to form rhombus or rectangle, the row spacing is 50-100 cm, and the spacing is 50-100 cm.
3. The ecological slope protection structure for arsenic sandstone side slopes based on corrosion-resistant and permeability-control composite materials as claimed in claim 1, wherein the planting holes of the cylinder have a diameter of 15 cm-25 cm and a height of 15 cm-30 cm.
4. The ecological slope protection structure for the arsenic sandstone side slope based on the corrosion-resistant and seepage-control composite material as claimed in claim 1, wherein the water collecting tank is an arc-shaped water collecting tank made of pipes, the radian is 120-180 degrees, and the length is 15-25 cm; the position is inserted into the lower edge of the planting hole, and 3 cm-5 cm is reserved outside.
5. The ecological slope protection structure for the arsenic sandstone side slope based on the corrosion-resistant and permeability-control composite material as claimed in claim 1, wherein the thickness of the corrosion-resistant and permeability-control layer is 1 cm-3 cm.
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| CN111218943A (en) * | 2019-12-13 | 2020-06-02 | 东南大学 | Arsenic sandstone slope ecological slope protection structure based on corrosion-resistant permeability-control composite material and construction method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111218943A (en) * | 2019-12-13 | 2020-06-02 | 东南大学 | Arsenic sandstone slope ecological slope protection structure based on corrosion-resistant permeability-control composite material and construction method thereof |
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Address after: 210096 No. 2, Southeast University Road, Jiangning District, Jiangsu, Nanjing Patentee after: SOUTHEAST University Patentee after: Nanjing MAIYUE Material Technology Co.,Ltd. Patentee after: XIANGTAN University Address before: 210096 No. 2, Southeast University Road, Jiangning District, Jiangsu, Nanjing Patentee before: SOUTHEAST University Patentee before: Nanjing menglianqiao Material Technology Co.,Ltd. Patentee before: XIANGTAN University |
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