Exposed slope ecological restoration construction method using fermented sludge as medium

A technology for ecological restoration and slope, applied in infrastructure engineering, botanical equipment and methods, excavation, etc., can solve the problems of ecological structure and service function damage, aggravate human living environment, and deteriorate ecological system, etc., and achieve huge environmental benefits and social benefits, good plant growth environment, and the effect of improving soil structure

Active Publication Date: 2014-03-19
BEIJING GENERAL RES INST OF MINING & METALLURGY
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Problems solved by technology

The implementation of some basic engineering constructions is accompanied by a large number of construction excavations, blasting, spoils, etc., thereby destroying natural vegetation, causing a large number of exposed slopes, destroying...

Method used

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  • Exposed slope ecological restoration construction method using fermented sludge as medium

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Effect test

Embodiment 1

[0055] One 1500m to Changping District, Beijing 2 For ecological restoration of rocky slopes of highways, the following steps shall be carried out in sequence (combined with figure 1 Schematic diagram of the slope structure shown):

[0056] 1) Prepare the bottom substrate: the bottom substrate is prepared by mixing fermented sludge, organic matter, loam, soil water retaining agent, adhesive (PAM), and microbial agent according to the following ratio: 25 parts by volume of fermented sludge , 10 parts of organic matter (straw, peanut, rice, sawdust and wood shavings), 65 parts of loam soil (the three are mixed uniformly at room temperature), the application amount of soil water retaining agent (SAP), binder and microbial agent is based on the fermented sewage Calculate the volume of the mixture of mud, loam and organic matter, and use the soil water retaining agent 150g / m 3 , Adhesive 100g / m 3 And microbial agent 45g / m 3 After adding the soil water retaining agent, binder an...

Embodiment 2

[0068] 1000m to Miyun, Beijing 2 For ecological restoration of rocky slopes of highways, the following steps shall be carried out in sequence (combined with figure 1 Schematic diagram of the slope structure shown):

[0069] 1) Prepare the bottom substrate: the bottom substrate is prepared by mixing fermented sludge, organic matter, loam, soil water retaining agent (SAP), adhesive (PAM), and microbial agent in a certain proportion: the volume fraction of fermented sewage 15 parts of mud, 10 parts of organic matter (straw, rice, sawdust and shavings), 75 parts of loam soil (the three are mixed uniformly at room temperature), and the application amount of soil water retaining agent, adhesive and microbial agent is based on fermented sludge, Calculate the volume of the mixture of loam and organic matter, and use the soil water retaining agent 150g / m 3 , Adhesive 100g / m 3 And microbial agent 45g / m 3 After adding the soil water retaining agent, binder and microbial agent, stir a...

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Abstract

The invention relates to an exposed slope ecological restoration construction method using fermented sludge as a medium. The exposed slope ecological restoration construction method comprises the steps of: paving ecological rods on a slope surface of a slope in a contour manner and fixing the ecological rods through anchor rods; after the pavement of the ecological rods, performing bidirectional geogrid pavement to enable the bidirectional geogrid to cover the slope surface of the whole slope, and fixing the bidirectional geogrid on the slope surface of the slope through the anchor rods; spraying an underlying substrate on the slope surface where the ecological rods and the bidirectional geogrid are paved to enable the underlying substrate to cover the whole slope surface and the outer surfaces of the bidirectional geogrid and the ecological rods; after the underlying substrate is basically solidified, spraying a seed layer to enable the seed layer to cover the whole underlying substrate. The provided method achieves very obvious water and soil conservation effects and remarkable ecological fixation function on the slope, simple construction process, easy implementation, high efficiency and good effects, is suitable for large-area application, and has an obvious effect of optimizing the ecological environment and long-term significance.

Description

technical field [0001] The invention belongs to the technical field of ecological restoration of exposed slopes, and relates to a construction method for ecological restoration of exposed slopes, in particular to a construction method for ecological restoration of exposed slopes using fermented sludge as a substrate. Background technique [0002] With the investment in the development of the west, the construction of highways, railways, water conservancy, mining and other projects is in full swing. The implementation of some basic engineering constructions is accompanied by a large number of construction excavations, blasting, spoils, etc., thereby destroying natural vegetation, resulting in a large number of exposed slopes, destroying the originally fragile ecological structure and service functions, and causing Serious soil erosion and environmental ecological imbalance have exacerbated the deterioration of the human living environment and the degradation of the ecosystem....

Claims

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Application Information

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IPC IPC(8): E02D17/20A01G1/00
Inventor 王琼吴亮亮周连碧张华
Owner BEIJING GENERAL RES INST OF MINING & METALLURGY
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