Ecological protection system for highway cut slopes in bitter cold mountain area

An ecological protection and slope technology, applied in excavation, construction, infrastructure engineering, etc., can solve the problems of increased hydrostatic pressure, cycle damage, frost heave damage and freeze-thaw of retaining walls, etc., and achieves strong impact resistance and reduced damage, easy replacement and maintenance

Inactive Publication Date: 2020-04-10
河北水熠木丰工程技术有限责任公司
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Problems solved by technology

In addition, the drainage performance of this kind of gravity retaining wall cannot adapt to sudden torrents and debris flow, and it is easy to accumulate behind the wall, and the continuous rise of water level increases the hydrostatic pressure and threatens the stability of the retaining wall
During the freezing season in alpine mountainous areas, this type of retaining wall is prone to frost heave damage or freeze-thaw cycle damage

Method used

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  • Ecological protection system for highway cut slopes in bitter cold mountain area
  • Ecological protection system for highway cut slopes in bitter cold mountain area

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Embodiment Construction

[0037] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0038] refer to figure 1 and 2 , is an ecological protection system for road cutting slopes in severe cold mountainous areas disclosed by the present invention. It is set on the side slopes 100 on both sides of the road. A drainage ditch 300 is formed along the extending direction of the road, and the height of the bottom surface of the drainage ditch 300 is smaller than the height of the roadbed 200 . The protection system includes a fixed protection structure arranged on the slope 100 and a movable protection structure arranged on the fixed protection structure.

[0039]The fixed protection structure includes a concrete wall 1 arranged on the slope 100 in a stepped shape and an anchor rod 2 anchored in the slope 100 . The concrete wall 1 is arranged from the top of the slope 100 to the bottom layer, and each level includes a vertical side and a plane. A ...

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Abstract

The invention relates to an ecological protection system for highway cut slopes in a severe cold mountain area. The ecological protection system comprises a fixed protection structure arranged on a slope and a movable protection structure arranged on the fixed protection structure. The fixed protection structure comprises a steplike concrete wall arranged on the slope and anchor rods anchored in the slope, a drainage ditch is formed between the lower end of the concrete wall and a roadbed, and the ends of the anchor rods stretch out from the surface of the concrete wall. The movable protectionstructure comprises gabion bands arranged along the step planes of the concrete wall, the stretching parts of the anchor rods are connected with the gabion bands, the vertical side faces of the concrete wall are provided with a plurality of ribs at intervals, each gabion band is composed of a plurality of gabions, and each gabion is embedded between two adjacent ribs. The protection system can beapplied to the terrain of high slopes and steep slopes in the mountain area and has high resistance to debris flows and ice and freezing failures.

Description

technical field [0001] The invention relates to the technical field of road slope protection, in particular to an ecological protection system for road cutting slopes in severe cold mountainous areas. Background technique [0002] With the continuous improvement of the national economic level, people's travel needs continue to increase, and the demand for expressways is particularly important. There are many rocky and steep areas in the construction of expressways in our country, and the existence of side slopes on both sides of the road is also more common. With the high-intensity severe cold mountainous area, the road construction is becoming more and more mature. Steep slopes formed by highway cutting construction in high-intensity severe cold mountainous areas put forward higher requirements for protection. [0003] The construction of road cuttings in alpine mountainous areas has caused great damage to the weak ecological environment in alpine mountainous areas. Theref...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D17/20
CPCE02D17/20
Inventor 赵一哲蒋新龙崔克谦康永臣慈军友刘义如刘娟李素真王永招王金萌霍姗刘媛
Owner 河北水熠木丰工程技术有限责任公司
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