Frame beam ecological slope protection structure and construction method

A technology of ecological slope protection and frame beams, applied in infrastructure engineering, botanical equipment and methods, excavation, etc., can solve the problems of high price of ecological bags, unfavorable plant root growth and penetration, etc., and achieve price reduction and resistance to soil Erosion ability, effect that contributes to soil retention

Inactive Publication Date: 2016-01-13
HUBEI UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the price of the ecological bag is high; and due to the good durability of the ecological bag, the strength can be maintained for decades, and the small pores on the surface are unfavorable to the growth and penetration of plant roots, especially the thicker roots of shrubs or trees. plunge into

Method used

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  • Frame beam ecological slope protection structure and construction method

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] The base layer is a mixture of loam, soil binder, straw decomposing agent and urea. Among them, the soil binder accounts for 0.01% (volume ratio), and the amount of straw decomposing agent is 200g / m 3 , urea 900g / m 3 .

[0048] The components in each cubic layer are:

[0049] Cement: 20L;

[0050] Clay: 830L;

[0051] River sand: 50L;

[0052] Organic matter: 85L;

[0053] Vegetation concrete greening additive: 15L;

[0054] The cement is 325# ordinary Portland cement;

[0055] River sand is clean river sand with a particle size range of 1-2mm;

[0056] Organic matter is a mixture of distiller's grains and crushed rice straw particles, of which the volume of distiller's grains accounts for 60%, and the particle size is less than 20mm;

[0057] The vegetation concrete greening additive uses the product provided by the patent number ZL201110380711;

[0058] The plant seeds are a mixture of grass seeds and shrub seeds, among which, 30g each of bermudagrass and ry...

Embodiment 2

[0066] The base layer is a mixture of loam, soil binder, straw decomposing agent and urea. Among them, the soil binder accounts for 0.02% (volume ratio), and the amount of straw decomposing agent is 400g / m 3 , urea 1200g / m 3 .

[0067] The components in each cubic layer are:

[0068] Cement: 60L;

[0069] Clay: 755L;

[0070] River sand: 100L;

[0071] Organic matter: 60L;

[0072] Vegetation concrete greening additive: 25L;

[0073] The cement is 325# ordinary Portland cement;

[0074] River sand is clean river sand with a particle size range of 1-2mm;

[0075] The organic matter is distiller's grains and rice husk, each accounting for 50% (volume ratio), and the particle size is less than 20mm;

[0076] The vegetation concrete greening additive uses the product provided by the patent number ZL201110380711;

[0077] The plant seeds are a mixture of grass seeds and shrub seeds, including 10g of bermudagrass, 50g of ryegrass, 100g of Magnolia multiflora, 70g of Amorph...

Embodiment 3

[0086] The base layer is a mixture of loam, soil binder, straw decomposing agent and urea. Among them, the soil binder accounts for 0.02% (volume ratio), and the amount of straw decomposing agent is 300g / m 3 , urea 1000g / m 3 .

[0087] The components in each cubic layer are:

[0088] Cement: 60L;

[0089] Clay: 720L;

[0090] River sand: 100L;

[0091] Organic matter: 100L;

[0092] Vegetation concrete greening additive: 20L;

[0093] The cement is 325# ordinary Portland cement;

[0094] River sand is clean river sand with a particle size range of 1-2mm;

[0095] The organic matter is distiller's grains, and the particle size is less than 20mm;

[0096] The vegetation concrete greening additive uses the product provided by the patent number ZL201110380711;

[0097] The plant seeds are a mixture of grass seeds and shrub seeds, including 40g of bermudagrass, 20g of ryegrass, 100g of Magnolia multiflora, and 140g of Rhododendron chinensis;

[0098] According to above-m...

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Abstract

The invention provides a sash girder ecological slope protection structure and a construction method of the sash girder ecological slope protection structure, and belongs to the field of environmental protection. The sash girder ecological slope protection structure comprises sash girders and anchor rods or anchor cables for fixing the sash girders, straw bags containing soil are stacked in each sash formed by the sash girders and are flush with the sash girders, the straw bags containing the soil are covered with plastic nets or metal nets and are fixed to the fixing anchor rods, and base layers and surface layers are arranged on the straw bags. The anchor cables or the anchor rods and the concrete sashes are arranged on a side slope firstly, then the straw bags filled with the planting soil are stacked in the sashes layer by layer, the straw bags are fixed through the plastic nets or the metal nets, finally, dry type spray seeding is carried out, and the base layers with straw-decomposing inoculants and the surface layers with plant seeds are formed. Plants grow out of the surface layers. The straw bags are used for replacing ecological bags which are made of high polymer materials and are frequently used in engineering, and manufacturing cost is greatly lowered. The structure is reasonable, the number of construction procedures is small, and the total construction period is short.

Description

technical field [0001] The invention relates to a sash beam ecological slope protection structure and a construction method, belonging to the field of environmental protection. Background technique [0002] Many slopes require the use of anchor rods or anchor cables combined with concrete frame beams for slope protection. Although this slope protection scheme can ensure the stability of the slope, many slopes cannot be naturally greened due to the lack of conditions for plant growth because the slope surface is rocky and steep. This has caused damage to the landscape and ecological environment. [0003] For slopes with small slopes, the existing technology adopts the method of manually transporting soil to fill the sash and sow seeds, and some sash beam slope protection structures have been greened. For slopes with larger slopes, in order to maintain the soil, the current technology mostly adopts the method of stacking ecological bags in the sash beams for greening. When ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D17/20A01G1/00
Inventor 叶建军肖衡林肖本林王红英
Owner HUBEI UNIV OF TECH
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