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Ecological slope protection method applied to sand gravel side slope

A technology for ecological slope protection and stone slope, which is applied in excavation, construction, infrastructure engineering, etc., can solve the problems of high cost and the inability of ecological slope protection technology to meet the needs, and achieve the goal of increasing water content, reducing soil erosion, and uniform vegetation growth Effect

Inactive Publication Date: 2021-04-30
YELLOW RIVER INST OF HYDRAULIC RES YELLOW RIVER CONSERVANCY COMMISSION
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Problems solved by technology

[0004] The purpose of the present invention is to overcome the problem that the sand and gravel slope ecological slope protection technology in the prior art cannot meet the needs and the cost is high, so as to provide a kind of composite ecological base material and ecological slope protection treatment measures, which can improve the slope The ability of slope consolidation and vegetation, and the solution to the problem that sand and gravel slopes cannot grow vegetation are applied to the ecological slope protection method of sand and gravel slopes

Method used

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  • Ecological slope protection method applied to sand gravel side slope
  • Ecological slope protection method applied to sand gravel side slope
  • Ecological slope protection method applied to sand gravel side slope

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Embodiment

[0031] An ecological slope protection method applied to sand and gravel slopes, comprising the following steps:

[0032] Step 1, slope soil pretreatment: Use mechanical or manual methods to remove loose unstable stones, garbage and harmful substances on the surface of the gravel slope from top to bottom, and level the unevenness; The sand and gravel slope soil after leveling is pretreated. First, 35-40% soil, 0.5-1.0% slow-release fertilizer and 59-64.5% water are uniformly mixed to make pretreatment mud according to the mass percentage, so that the pretreatment The specific gravity of the mud is controlled at 1.2g / cm 3 -1.3g / cm 3 , and then spray the pretreatment mud to the slope;

[0033]Step 2, preparation of mixed grass species: According to the establishment system of combining pioneer vegetation and long-term vegetation, mix pioneer vegetation and long-term vegetation grass species to obtain mixed grass species; the pioneer vegetation can choose bluegrass, tall fescue ...

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Abstract

The invention relates to the technical field of environmental protection engineering, in particular to an ecological slope protection method applied to a sand gravel side slope. The ecological slope protection method applied to the sand gravel side slope comprises the steps of side slope soil pretreatment, mixed grass seed preparation, preparation of a composite ecological base material, spray seeding of the composite ecological base material, side slope maintenance and the like. Quantitative slow-release fertilizer, spray-seeding soil and water are mixed into thin slurry to be sprayed to a slope body, the mud content and fertility of a sand gravel matrix are improved, soil is improved, and the water content of the soil is increased; mixed sowing is performed by using a planting system in which pioneer vegetation and long-term vegetation are organically combined, so that the slope vegetation recovery capability is further improved; and through spray seeding of the composite ecological base material with certain thickness for fixing sand, retaining water, increasing fertility and promoting growth, the water-heat-fertilizer-gas effect of the original soil is improved while the surface of the sand gravel side slope is reinforced, the side slope is quickly regreened, the side slope is stabilized, and water and soil loss is reduced.

Description

technical field [0001] The invention relates to the technical field of environmental protection engineering, in particular to an ecological slope protection method applied to sand and gravel slopes. Background technique [0002] Strengthening environmental protection is a major task in promoting economic and social development. During the construction of infrastructure such as roads, railways, water conservancy, mines, and electric power, the destruction of the original landform and vegetation is inevitable. Spoils, rocks, and excavations will leave a large number of exposed slopes in the natural environment. Therefore, it is necessary to For slope reinforcement, slope reinforcement methods mainly include engineering reinforcement and plant reinforcement. The traditional engineering slope protection technology usually adopts the forms of plastering, hammering, spraying, pointing, slope retaining wall, etc., but concrete is prone to cracks, weathering and corrosion when the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D17/20
CPCE02D17/20
Inventor 刘慧宋万增张彬冷元宝赵寿刚杜程远张楠伍艳金巧兰李树慧王世忠李娜蔡怀森尹冰涛张飞王伟科王湟王婧如
Owner YELLOW RIVER INST OF HYDRAULIC RES YELLOW RIVER CONSERVANCY COMMISSION
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