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Technology for recovering vegetation on slope of rock and application thereof

A technology for vegetation restoration and slope surface, which is applied to vegetation restoration technology and its application field, can solve the problems of rapid degradation, unsuitable rock slope vegetation restoration, and high water consumption of herbs, and achieves the effect of great social benefits.

Inactive Publication Date: 2008-01-16
BEIJING NORMAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although there are arbor, shrub and grass seeds at the time of sowing, it is often only herbaceous plants that can eventually form a plant community, and herbaceous plants are difficult to maintain for a long time due to high water consumption and rapid degradation, so a single guest soil + seed spraying Or organic matter + seed spraying, not suitable for vegetation restoration on rocky slopes

Method used

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  • Technology for recovering vegetation on slope of rock and application thereof
  • Technology for recovering vegetation on slope of rock and application thereof
  • Technology for recovering vegetation on slope of rock and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] For a rock slope with a slope of 60°, the weathering degree of the rock on the slope surface is moderate, and the slope surface is irregular and has large ups and downs.

[0040] Clean up the slope, remove gravel and pumice; backfill the soil in the depression on the slope and compact it. The amount of soil backfill is based on filling the depression. If it is difficult to store soil in the depression, you can put the soil into a woven bag or sacks, and then placed in the lower recess; use a pick or impact drill to punch holes on the slope in a direction perpendicular to the ground to form a gravel hole with a hole interval of 2-3cm, a hole depth of 40-50cm, and a diameter of 17cm. ; erect a PVC pipe with a diameter of 15cm and a length of 22cm at the punching place; use φ10×400mm, φ12×600mm bolts to anchor and hang a galvanized metal machine-woven net with a mesh size of 50mm×50mm and a wire diameter of 2.2mm. Anchor density 2.5 / m 2 ; In addition to the PVC pipe, spra...

Embodiment 2

[0042] For rocky slopes with a slope of 60°, the weathered rocks on the slope surface are highly weathered, the slope surface is regular, and the unevenness is small.

[0043] Clean up the slope surface, remove gravel and pumice; backfill the soil to the concave part of the slope surface and compact it. Drill holes to form a gravel hole with a hole spacing of 2-3cm, a hole depth of 30-40cm, and a diameter of 15cm; erect a PVC pipe with a diameter of 12cm and a length of 20cm at the hole; use φ10×400mm, φ10×600mm Anchor bolt anchoring mesh size is 50mm × 50mm, galvanized metal machine-woven mesh with wire diameter of 2.0mm, and anchor bolt density is 2.2 pieces / m 2; In addition to the PVC pipe, spray soil with a thickness of 10cm on the slope, that is, the local soil at the construction site. The soil contains plant fibers with a length of 2-3cm that are naturally stacked and fermented. The ratio of soil to plant fibers is 6:4 , the soil contains soil improvement materials, in...

Embodiment 3

[0045] For rocky slopes with a slope of 60°, the weathered rocks on the slope surface are highly weathered, the slope surface is regular, and the unevenness is small.

[0046] Clean up the slope surface, remove gravel and pumice; backfill the soil to the concave part of the slope surface and compact it. Drill holes to form a gravel hole with a hole spacing of 2-3cm, a hole depth of 20-30cm, and a diameter of 12cm; erect a PVC pipe with a diameter of 10cm and a length of 15cm at the hole; use φ8×400mm, φ10×600mm The anchor bolt anchoring mesh size is 50mm×50mm, the wire diameter is 1.8mm galvanized metal machine-woven mesh, and the anchor rod density is 1.8 pieces / m 2 ; In addition to the PVC pipe, spray soil with a thickness of 10cm on the slope, that is, the local soil at the construction site. The soil contains plant fibers with a length of 2-3cm that are naturally stacked and fermented. The ratio of soil to plant fibers is 8:2 , the soil contains soil improvement materials...

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Abstract

The invention discloses a rock slope vegetation restoration method, which comprises the double layer injection of carrying soil and organic matter and the combination of directly sowing seeds and arbor, shrub transplanting seedlings. The double injection bottom layer is a carrying soil layer, and the surface is an organic matter layer. The joint part of the carrying soil layer and the organic matter layer is sandwiched with a galvanized machine-made metal net fixed on a slope through a bolt. The plant fibbers and the soil improvement materials are blended inside the carrying soil layer. The soil improvement materials, the grass species as well as the arbor and shrub seeds are blended inside the organic matter layer. The arbor and shrub seedlings are transplanted inside the artificial soil layer formed by the carrying soil and the organic matter. The invention provides a new method for the ecological construction and environmental protection in China, which has great social, economic and ecological benefits.

Description

technical field [0001] The invention relates to a vegetation restoration technique and its application, in particular to a rock slope vegetation restoration technique and its application. Background technique [0002] In recent years, infrastructure constructions such as highways, railways, water conservancy, agriculture and forestry, and urban construction have created a large number of new rock slopes. These new rock slopes have steep slopes and high hardness, and the original soil vegetation system has been completely destroyed. It is almost impossible to restore vegetation coverage naturally on its surface in a short period of time. To restore vegetation coverage on this new rocky slope as soon as possible, human intervention must be implemented. [0003] In addition to the blasting afforestation method in forestry, the existing vegetation restoration methods on rocky slopes are mainly spraying with foreign soil or organic matter, and the plants used are mainly herbaceou...

Claims

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Application Information

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IPC IPC(8): A01G31/00A01G1/00A01C14/00
Inventor 顾卫崔维佳刘杨
Owner BEIJING NORMAL UNIVERSITY
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