Rapid greening protection slope for oligotrophic soil slope as well as construction method thereof

A slope and barren technology, applied in the field of slope greening, can solve the problems of poor stability, difficult vegetation root system to form a barren soil slope as a whole, and achieve the effects of good durability, rapid development, and simple and reliable construction methods

Pending Publication Date: 2018-05-01
GUYUAN CHENTONG TECH DEV CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Aiming at the above-mentioned disadvantages that the existing slope protection technology has the disadvantage that the vegetation root system is difficult to form an integral body with the barren soil slop

Method used

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  • Rapid greening protection slope for oligotrophic soil slope as well as construction method thereof

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0035] Example 1

[0036] A fast greening slope protection for barren soil slopes, including a three-dimensional geonet, nutrient soil pillar 1, spiral steel pile 2 and base material layer 3. Nutrient soil pillar 1 and spiral steel pile 2 are drilled under the three-dimensional geonet In the soil, the base layer 3 is arranged on the three-dimensional geonet. The three-dimensional geonet is connected to the spiral steel pile 2, and the connection is protected by the concrete pile head, and the three-dimensional geonet is buried under the concrete pile head. The spiral steel pile 2 is a blade type spiral steel pile. The outer diameter of the spiral steel pile 2 is 50 mm, the wall thickness is 0.1 times the outer diameter, and the blade diameter is 2.5 times the outer diameter. The spiral steel pile 2 has a zinc coating on the surface. The nutrient soil pillars 1 are uniformly distributed in the form of vertical and horizontal rows, the distance between adjacent nutrient soil pill...

Example Embodiment

[0038] Example 2

[0039] A fast greening slope protection for barren soil slopes, including a three-dimensional geonet, nutrient soil pillar 1, spiral steel pile 2 and base material layer 3. Nutrient soil pillar 1 and spiral steel pile 2 are drilled under the three-dimensional geonet In the soil, the base layer 3 is arranged on the three-dimensional geonet. The three-dimensional geonet is connected to the spiral steel pile 2, and the connection is protected by the concrete pile head, and the three-dimensional geonet is buried under the concrete pile head. The spiral steel pile 2 is a blade type spiral steel pile. The outer diameter of the spiral steel pile 2 is 80 mm, the wall thickness is 0.1 times the outer diameter, and the blade diameter is 3.0 times the outer diameter. The spiral steel pile 2 has a zinc coating on the surface. The nutrient soil pillars 1 are uniformly distributed in the form of vertical and horizontal rows, the distance between adjacent nutrient soil pill...

Example

[0041] Both Example 1 and Example 2 were constructed by the following method:

[0042] [1] Carry out geological survey to determine the setting depth of nutrient soil column 1. The depth setting of nutrient soil column 1 needs to be able to provide water and nutrients for the survival of the grown vegetation;

[0043] [2] Clean up the side slope to make the surface of the side slope smooth, so as to facilitate the subsequent 3D geonet laying and base material layer 3 construction;

[0044] [3] Drill the spiral steel pile 2, when the slope has a potential sliding surface, the spiral steel pile 2 needs to pass through the potential sliding surface;

[0045] [4] Drilling a nutrient soil column 1;

[0046] [5] Pave the slope on the whole surface with a three-dimensional geonet, and connect the spiral steel pile 2 to the three-dimensional geonet;

[0047] [6] Carry out the construction of base layer 3, use spray construction method to make nutrient soil layer 1 fully cover the three-dimension...

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Abstract

The invention belongs to the technical field of slope greening, and in particular relates to rapid greening protection slope for an oligotrophic soil slope as well as a construction method thereof. The existing slope protection technology has the defect that the stability is low because a vegetation root system and the oligotrophic soil slope form a whole body difficultly. According to the technical scheme of the invention, the rapid greening protection slope for the oligotrophic soil slope comprises a three-dimensional geonet, nutritional soil columns, spiral steel piles and a base material layer; the nutritional soil columns and the spiral steel piles are arranged in soil below the three-dimensional geonet in a drilling way; the base material layer is arranged on the three-dimensional geonet; and the base material layer comprises a nutritional soil layer and a grass seed layer. The spiral steel piles are blade type spiral steel piles. The nutritional soil columns and the base material layer provide nutrition for the growth of vegetations on the oligotrophic soil slope and can promote rapid development of the slope vegetation root system. After the vegetations grow up, the root system, the vegetations, the three-dimensional geonet, the spiral steel piles and the slope form a whole body. The rapid greening protection slope for the oligotrophic soil slope is suitable for greening and slope protection under the oligotrophic soil environment.

Description

technical field [0001] The invention belongs to the technical field of slope greening, and in particular relates to a rapid greening slope protection for barren soil slopes and a construction method thereof. Background technique [0002] With the expansion and improvement of the transportation network, there will be situations where high-speed railways or expressways pass through barren land areas. For barren soil areas, it is difficult for vegetation to grow. In order to ensure the growth of vegetation, the existing greening technology constructs a certain thickness of humus soil layer on the slope. Similar greening technologies have the problem of long time for the roots of the vegetation to penetrate into the slope, and the workload of later maintenance. At the same time, because the root system of the vegetation layer is mainly in the humus layer, it cannot form a whole with the existing slope, and the stability is poor. Therefore, there is an urgent need for a rapid gr...

Claims

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Application Information

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IPC IPC(8): E02D17/20A01G22/00A01G29/00A01G24/46
CPCA01G29/00E02D17/207
Inventor 苏谦赵文辉
Owner GUYUAN CHENTONG TECH DEV CO LTD
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