Side slope reinforcing construction method by combining vegetation with microorganisms and thin-walled steel tube for construction

Abstract

The invention discloses a side slope reinforcing construction method by combining vegetation with microorganisms and a thin-walled steel tube for construction. The construction method protects a slopejointly by using clover and bermuda grass and injects bacillus pasteurii and a bonding liquid into soil, wherein the bacillus pasteurii and the bonding liquid are injected repeatedly every 6-8 days for 30-40 days. The clover and common bermuda grass are selected to protect the slope jointly, and meanwhile, and a product for microbial soil fixation is calcium carbonate which is good in integrationto a soil mass matrix, so that a formed bonding material is high in strength, and the shear strength of the soil mass of the side slope can be improved obviously. In a stage that the common bermuda grass does take roots, the side slope is reinforced, and meanwhile, the binding liquid contains a lot of urea to provide a lot of chemical fertilizer elements to the common bermuda grass, so that the growth period of the common bermuda grass can be shortened to 35 days, the side slope exposure time is further shortened, and the risk of collapse of the side slope is reduced. The invention also provides the thin-walled steel tube for construction, has the characteristics of being low in cost, easy to manufacture and convenient to construct, and brings convenience to quickly cure the soil mass inthe side slope.

Description

technical field [0001] The invention relates to the field of slope reinforcement, in particular to a slope reinforcement construction method with vegetation combined with microorganisms and a thin-walled steel pipe for construction. Background technique [0002] Vegetation slope protection is a technology of ecological protection using plants. One of its main working principles is to treat the grass roots as a kind of reinforcing material through the reinforcement of the shallow roots of the plants, and at the same time to form a cement when the soil particles are combined. The other is to use the anchoring effect of deep roots, and regard the deep roots as prestressed anchor rods, which play the role of prestressed anchorage. Vegetation slope protection technology makes slope engineering and natural environment coexist harmoniously. It has the characteristics of environmental friendliness, soil erosion prevention and low engineering cost. It is widely used in modern slope e...

AI Technical Summary

Problems solved by technology

[0004] 1. In the stage of vegetation germination and growth, the growth and development of plants is slow at this stage. For example, the growth cycle of common Bermudagrass is about 70 days. Extremely poor stability, prone to large-scale landslides and instability damage

[0005] 2. A large number of sprayed grass seeds cannot ensure that all places can take root and germinate, which will inevitably lead to sparse vegetation in some areas, and the shear strength of the soil cannot meet the design requirements, resulting in slope instability and damage

In the face of heavy rainfall and water erosion, a large amount of soil will be washed away, resulting in bare vegetation roots and slope damage. Therefore, the slope protection capability of vegetation slope protection technology is limited.

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