Plant brick and railway bed slope greening method

A plant and slope technology, applied in the field of railway embankment slope greening and ecological bricks, can solve the problems of increasing equipment cost and labor cost, affecting the quality and effect of slope greening, increasing the input of manpower and material resources, etc., to achieve strong Practicality and commercial promotion value, the effect of improving the recovery effect and reducing the pressure of the project progress

Inactive Publication Date: 2018-08-10
四川铁创科技有限公司
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

[0006] 1. The side slope of the railway embankment is a slope. During the sprinkling process, the soil in the hollow brick is seriously lost under the erosion of water, and the upper part of the hollow brick has a "flat head", that is, there is a hollow in the upper space of the hollow brick, and the soil volume is reduced, which affects the greening of the slope. quality and effect
[0007] 2. Due to the special geographical conditions of the Qinghai-Tibet Plateau, the time for greening construction in a year is only about one month. The construction period is too short, which seriously affects the progress of the greening project. In order to adapt to the acceptance progress of the overall project, it is necessary to increase manpower and material resources input
[0008] 3. Through the design and use of the drip irrigation system, the vegetation restoration effect has been improved, but the equipment and facilities construction of the drip irrigation system has increased the investment in equipment costs and labor costs

Method used

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Embodiment 1

[0040] The plant brick in this embodiment includes a substrate block and grasses that grow on the substrate block for more than one life cycle, and the roots of the grass form a root network in the substrate block. The plant bricks described in this embodiment use the well-developed fibrous root system of the grass to fully wrap and wind the soil matrix and fix the soil matrix to obtain a geometric body with a fixed root shape. Through at least one life cycle, the soil environment of the grass root system is newly constructed, which allows the root system to be organically connected, can carry the original substrate, does not scatter during transportation, and keeps the root shape and geometry stable. The shape of the geometrical body is consistent with the internal shape of the hollow brick, so that it can be stably embedded in the hollow brick. Normally, a regular hexagonal annular hollow brick is used for the slope protection brick of a railway subgrade slope, and the hollow...

Embodiment 2

[0050] The Lalin section of the Sichuan-Tibet Railway is a high-cold and dry railway, with high altitude, large temperature difference, long-term negative temperature, strong ultraviolet radiation, high cold and drought, harsh environment, and high requirements and difficult for the greening of the railway slope. In Sangri, Gongga and other places, the soil is all alkaline, soil organic matter, alkali-hydrolyzable nitrogen, available phosphorus and available potassium are all below the extremely deficient level, and soil fertility is extremely low. Table 1 is the soil fertility index and PH analysis results of the cultivated layer in Sangri and Gongga, and Table 2 is the classification index of soil organic matter and nutrient content in Sangri and Gongga.

[0051] Table 1 Analysis of soil fertility indexes and PH value of cultivated layer

[0052]

[0053] Table 2 Classification index of soil organic matter and nutrient content

[0054]

[0055] At the same time, the water holding ...

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Abstract

The invention discloses a plant brick and a railway bed slope greening method. The plant brick comprises a matrix block and grasses growing on the matrix block for more than one life cycle, where grass roots form a root net in the matrix block. The method is characterized by utilizing the plant brick for greening a railway bed slope. By utilizing the characteristic that developed fibrous root systems of the grasses grow disorderly, a soil matrix is fully wrapped and wound so as to be fixed, so that a geometry with a fixed root form is obtained. Through building a grass root soil environment, the grasses are bred for one life cycle, the root systems can be organically connected, an original substrate can be carried, and the scattering is avoided during a transporting process. According to the railway bed slope greening method provided by the invention, the planted plants are utilized for greening, i.e. the plants for greening are planted in advance, and the plants with the complete rootsystems are used for greening, so that a greening effect is better.

Description

Technical field [0001] The invention belongs to the field of ecological protection, and relates to road side slope maintenance technology, in particular to an ecological brick, and a method for using the ecological brick to green the side slope of a railway roadbed. Background technique [0002] The slope protection of railway subgrade mainly includes plant protection and engineering protection. The methods of plant protection include: planting grass, laying turf, and planting trees. Engineering protection methods include sash protection, cover, protective wall, dry rubble slope protection, mortar rubble slope protection, mortar prefabricated block slope protection, anchor steel wire mesh shotcrete, sprayed concrete slope protection, etc. [0003] The Lhasa-Nyingchi section of the Sichuan-Tibet line is located in the southern Tibet valley and alpine valley on the edge of the Qinghai-Tibet Plateau, compared with the former Qinghai-Tibet line and Lari line. It is an area with extreme...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D17/20A01G9/02A01G22/00
Inventor 周璐龚建辉李宁刘名君曾永红吴沛沛叶世斌周成李楚根王开云葛学军孙晓陈伟志胡杰
Owner 四川铁创科技有限公司
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