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High speed railway rocky cut slopeecological protection structure and construction method thereof

An ecological protection, high-speed railway technology, applied in the fields of infrastructure engineering, botanical equipment and methods, excavation, etc., can solve the problem of consuming large amount of reinforced concrete building materials, etc., and achieve the goal of improving green ecological function, structural safety, and reducing impact and damage. Effect

Pending Publication Date: 2019-02-15
CHINA RAILWAY ENG CONSULTING GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, the anchor frame beam structure is better than the hollow window type parapet (slope) or the spray-mixed vegetation structure in terms of slope reinforcement effect and ecological protection effect, but the slope frame beam structure still needs to consume a lot of reinforced concrete building materials

Method used

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  • High speed railway rocky cut slopeecological protection structure and construction method thereof
  • High speed railway rocky cut slopeecological protection structure and construction method thereof
  • High speed railway rocky cut slopeecological protection structure and construction method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] refer to figure 1 , this embodiment provides a high-speed railway rock cutting slope ecological protection structure, the structure only includes a first-level ecological protection slope;

[0038] refer to Figure 1-2 , the first-level ecological protection slope includes a slope main body 1, a plurality of main anchor rods 2, a plurality of ecological bags 5 and a steel rope grid 7, and the plurality of main anchor rods 2 are inserted in the slope main body 1, An anchor pier 3 is provided at the intersection of the main anchor rod 2 and the surface of the slope main body 1, and an anchor head closure 4 is provided on the outside of the anchor pier 3;

[0039] The plurality of ecological bags 5 are evenly laid on the slope main body 1, and the outer sides of the plurality of ecological bags 5 are laid with steel rope grid nets 7, and the steel rope grid nets 7 are fixed by steel rope anchor rods 8;

[0040] The ecological protection structure of the rocky cutting slo...

Embodiment 2

[0042] refer to image 3 , the present embodiment provides a high-speed railway rock cutting slope ecological protection structure, the structure includes two levels of ecological protection slope;

[0043] The first-level ecological protection slope includes a main body of the first-level slope, a plurality of main anchors 2, a plurality of ecological bags 5 and a steel wire grid 7, and the plurality of main anchors 2 are inserted into the main body of the first-level slope Among them, an anchor pier 3 is provided at the intersection of the main anchor rod 2 and the surface of the main body of the first-level slope, and the outer side of the anchor pier 3 is provided with an anchor head closure 4; the plurality of ecological bags 5 are evenly laid on the first-level slope On the main body, a steel rope grid 7 is laid on the outside of the plurality of ecological bags 5, and the steel rope grid 7 is fixed by a steel rope anchor 8;

[0044] The secondary ecological protection ...

Embodiment 3

[0055] This embodiment provides a construction method of the high-speed railway rock cutting slope ecological protection structure involved in the second embodiment, which specifically includes the following steps:

[0056] The first step: Excavating the cutting slope step by step, constructing the main anchor rod 2, the anchor pier 3 and the anchor head closure 4 step by step;

[0057] The second step: the slope platform 10 is sealed with concrete, and the platform intercepting ditch 11 is constructed;

[0058] Step 3: Place ecological bags 5 on the main body of the slope at all levels, and connect 5 adjacent ecological bags with connecting buckles 6;

[0059] Step 4: Drill holes on the main body of the slopes at all levels to make steel rope anchors 8, lay steel rope grids 7 on the outside of the ecological bag 5, and pass the steel rope grids 7 through the ends of the steel rope anchors 8 The chicken heart ring and the rope clamp are fixedly connected with the steel rope a...

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Abstract

The invention relates to a high speed railway rocky cut slope ecological protection structure. The high speed railway rocky cut slope ecological protection structure comprises N level ecological protection slopes, and N is a positive integer; each level ecological protection slope comprises a slope body, a plurality of main anchor rods, a plurality of ecological bags and a steel rope grid net, themultiple main anchor rods are arranged in the slope body in an inserting mode, anchor piers arranged at the intersecting positions of the main anchor rods and the surface of the slope body, and anchor head seals are arranged on the outsides of the anchor piers; the multiple ecological bags are laid on the slope body uniformly, the steel rope grid net is arranged on the outsides of the multiple ecological bags in a laying mode, and the steel rope grid net is fixed with steel rope anchor rods; and when N is larger than one, slope platforms are arranged between adjacent ecological slopes, and the slope platforms are provided with platform intercepting drains. According to the high speed railway rocky cut slope ecological protection structure and the construction method thereof, besides the slope platforms and the platform intercepting drains, any other masonry protection is not adopted, requirements for slope ecological afforest are improved, and influence and destruction towards surrounding environment due to high speed railway engineering construction are reduced by an extreme degree at the same time of ensuring safe and stable of the structure.

Description

technical field [0001] The invention relates to the field of subgrade engineering, in particular to an ecological protection structure for a rocky road cutting slope of a high-speed railway and a construction method thereof. Background technique [0002] At present, rocky cutting slopes of high-speed railways in my country generally adopt hollow-window type parapet walls (slopes), spray-mixed vegetation or anchor rod frames according to factors such as rock types, structural plane occurrences, rock weathering degrees, groundwater development degrees, and climatic conditions. beam protection. Among them, the anchor frame beam structure is better than the hollow window type parapet wall (slope) or the spray-mixed vegetation structure in terms of slope reinforcement effect and ecological protection effect, but the slope frame beam structure still needs to consume a lot of reinforced concrete building materials. With the improvement of our awareness of environmental protection, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D17/20A01G9/02A01G25/00
CPCA01G9/02A01G25/00E02D17/20Y02A10/23
Inventor 张世杰宣立华崔俊杰马旭东王晶李淑梅谢倩
Owner CHINA RAILWAY ENG CONSULTING GRP CO LTD
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