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Ecological protection structure of crushed rock side slope dry spray construction frame lattice beams and base material and method

A technology for rock crushing and ecological protection, which is applied in infrastructure engineering, botanical equipment and methods, and excavation. It can solve the problems of complex procedures, long construction periods, multiple sets of mechanical equipment, etc. good effect

Inactive Publication Date: 2019-06-07
HUBEI UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, these two technologies have the disadvantages of complicated procedures, long construction period, and the need for multiple sets of mechanical equipment.
Obviously, these two techniques are not suitable for use on rocky slopes with broken slopes but no deep landslides

Method used

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  • Ecological protection structure of crushed rock side slope dry spray construction frame lattice beams and base material and method
  • Ecological protection structure of crushed rock side slope dry spray construction frame lattice beams and base material and method

Examples

Experimental program
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Effect test

Embodiment 1

[0035] A weathered rock slope with an annual rainfall of 600-900 mm in a southern region has a slope of 1:1. It is planned to use the present invention for ecological slope protection.

[0036] The dry-blasting mortar adopts a mixed mortar with a strength grade of M15, and a polycarboxylate high-performance water-reducing agent with a water-reducing rate of 25% is added to the formula.

[0037] The sash formed by the sash beams 3 has a length L of 4 m and a width B of 4 m.

[0038] The base layer 4 is composed of loam, cement, organic matter, water retaining agent, and improved vegetation concrete greening additive, wherein the cement is 30 L / m 3 , organic matter 50 L / m 3 , water retaining agent (volume ratio) accounted for 0.08%, improved vegetation concrete greening additive 20L / m 3 .

[0039] The surface layer 5 is composed of loam, soil binder, compound fertilizer and plant seeds, wherein the soil binder (volume ratio) accounts for 0.01%, and the compound fertilizer is ...

Embodiment 2

[0050] For a broken limestone slope with an annual rainfall of 900-1200 mm in a southern region, the slope is 1:0.2, and the invention is proposed to be used for ecological slope protection.

[0051] The dry-blasting mortar adopts a mixed mortar with a strength grade of M15, and a polycarboxylate high-performance water-reducing agent with a water-reducing rate of 25% is added to the formula.

[0052] The sash formed by the sash beams 3 has a length L of 1.5 m and a width B of 1.5 m.

[0053] The base layer 4 is composed of loam, cement, organic matter, water retaining agent, and improved vegetation concrete greening additive, wherein cement 50 L / m 3 , organic matter 80 L / m 3 , water retaining agent (volume ratio) accounted for 0.1%, improved vegetation concrete greening additive 30L / m 3 .

[0054] The surface layer 5 is composed of loam, soil binder, compound fertilizer and plant seeds, wherein the soil binder (volume ratio) accounts for 0.02%, and the compound fertilizer is ...

Embodiment 3

[0065] For a broken shale slope with an annual rainfall of more than 1200 mm in a southern region, the slope is 1:0.5, and the invention is proposed to be used for ecological slope protection.

[0066] The dry-blasting mortar adopts a mixed mortar with a strength grade of M15, and a polycarboxylate high-performance water-reducing agent with a water-reducing rate of 25% is added to the formula.

[0067] The sash formed by the sash beams 3 has a length L of 2.5 m and a width B of 2.5 m.

[0068] The base layer 4 is composed of loam, cement, organic matter, water retaining agent, and improved vegetation concrete greening additive, wherein cement is 40 L / m 3 , organic matter 70 L / m 3 , water retaining agent (volume ratio) accounted for 0.09%, improved vegetation concrete greening additive 26L / m 3 .

[0069] The surface layer 5 is composed of loam, soil binder, compound fertilizer and plant seeds, wherein the soil binder (volume ratio) accounts for 0.015%, and the compound ferti...

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Abstract

The invention provides an ecological protection structure of crushed rock side slope dry spray construction frame lattice beams and a base material and a method. The ecological protection structure ofthe crushed rock side slope dry spray construction frame lattice beams and the base material comprises an iron gauze laid on the whole slope surface, a short anchor rod for fixing the iron gauze, theframe lattice beams formed on the iron gauze by sand slurry spraying and a base material spraying layer, the base material spraying layer is located in a frame lattice formed by the frame lattice beams and the height of the base material spraying layer is lower than the height of the frame lattice beams, and the base material spraying layer comprises a base layer not containing mixing plant greenseeds and a surface layer containing the mixing plant green seeds; and the frame lattice beams with arc-shaped section profiles are fixed to the slope surface through a long anchor rod or a long anchor cable with an anchor head. According to the ecological protection structure of the crushed rock side slope dry spray construction frame lattice beams and the base material, frame lattice beam and plant cover shotcrete construction is completed by using a set of dry spray equipment, setting up of a scaffold and a template is removed, the construction process is simple and the construction periodis short, the construction cost is low, the ecological protection structure of the crushed rock side slope dry spray construction frame lattice beams and the base material is applied to slope protection and ecological remediation of the rock slope surface with the crushed slope surface and without deep landslide, and a wide application prospect is achieved.

Description

technical field [0001] The invention relates to an ecological protection structure and method for a frame beam and a base material of a broken rock slope by dry spraying construction, and belongs to the field of ecological slope protection. Background technique [0002] The ecological slope protection technology of sash beam filling can be used for both soil slopes and gentle rock slopes. The construction method is as follows: After finishing the slope, determine the position of the anchor bolt hole and set up scaffolding to prepare for drilling, after drilling and clearing the hole, insert the anchor bolt for grouting, excavate the trench, install steel bars and erect formwork to pour the frame Concrete the beams and maintain them, and finally fill the grid with soil to restore vegetation. This method has a good protective effect on the slope, and the greening effect is better when the slope is not large (the early water and soil loss is serious when the slope is too large...

Claims

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Application Information

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IPC IPC(8): E02D17/20A01G13/00
Inventor 叶建军陈阳阳肖衡林刘德富刘瑛李虎马强姜泉泉
Owner HUBEI UNIV OF TECH
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