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Anchor rope geogrid retaining structure and method for constructing same

A geogrid and retaining structure technology, applied in infrastructure engineering, underwater structures, artificial islands, etc., can solve problems such as difficulty in meeting design safety requirements, low shear strength of fillers, etc., and achieve enhanced integrity and localization. Stability, improved shear strength and local stability, the effect of extending the range of use

Active Publication Date: 2014-06-25
海南省交通规划勘察设计研究院
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

At this time, when expansive soil and other weathered residual clay are used as the filler in the structure, due to the low shear strength of the filler, it is difficult to meet the design safety requirements with a slope ratio of 1:0.5 or more.

Method used

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  • Anchor rope geogrid retaining structure and method for constructing same

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Embodiment Construction

[0028] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0029] see figure 1 , the anchor cable geogrid support structure provided by the present invention, the support structure 1 is composed of a multi-level slope structure, that is, it is composed of a top first-level flexible support structure 3 and at least one level of slope structure 2, and each side slope structure 2 is composed of a plurality of basic structural units 4 superimposed, and a single basic structural unit 4 includes two parts: the lower waterproof and drainage geogrid-wrapped reinforced compacted soil layer 5 and the upper geogrid-wrapped reinforced compacted soil layer 6, A planting bag 7 is placed on the side slope where each lower water-proof and drainage geogrid wraps the reinforced compacted soil layer 5 and the upper geogrid wraps the reinforced compacted soil layer 6; An anchor cable 8 is arranged on the side of the slop...

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Abstract

The invention discloses an anchor rope geogrid retaining structure and a method for constructing the same. Each retaining structure (1) is provided with multiple levels of side slopes; each single level of side slope structurally comprises more than two basic structural units (4); each basic structural unit comprises a lower waterproof and drainage geogrid wrapped reinforced compacted soil layer and an upper geogrid wrapped reinforced compacted soil layer; a vegetation bag is placed at a certain position of each geogrid wrapped reinforced compacted soil layer and is close to the corresponding side slope; an anchor rope is arranged at the bottom of each level of side slope, is close to a side of the side slope and is connected with geogrid of the corresponding geogrid wrapped reinforced compacted soil layer, and the geogrid of each geogrid wrapped reinforced compacted soil layer is close to the inner side of the corresponding side slope; a top waterproof structural layer is arranged on the top of the top level of flexible retaining structure; ground drainage facilities are arranged on the surfaces of the slopes and include bottom drainage ditches, platform drainage ditches and top intercepting ditches. The anchor rope geogrid retaining structure and the method have the advantages that the method and the anchor rope geogrid retaining structure are particularly applicable to repairing side slopes damaged by water, or the anchor rope geogrid retaining structure is particularly suitable to be used as a decomposed rock or soil cut slope retaining structure.

Description

technical field [0001] The invention relates to a road cutting side slope support and protection structure, in particular to an anchor cable geogrid support structure, and also relates to a construction method of the anchor cable geogrid support structure. Background technique [0002] A flexible reinforced retaining structure and its construction method (Chinese patent, publication (announcement) number: CN100464034, publication date: February 25, 2009). The flexible retaining structure provided by this invention has the following structural features: The bottom layer of the structure is a permeable base layer, and there is a permeable layer between the retaining structure and the excavation surface. , the reinforcement of each layer exceeds the width of the retaining structure, is turned up to the upper layer, and is connected with the reinforcement of the previous layer, and the reinforcement of each layer is backfilled and compacted with the excavated soil. This structu...

Claims

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Application Information

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IPC IPC(8): E02D29/02
Inventor 刘龙武
Owner 海南省交通规划勘察设计研究院
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