Lightweight high embankment structure and construction method for steep slope road sections in mountainous areas conducive to disaster prevention

A technology for slopes and road sections, applied in infrastructure engineering, roads, excavation, etc., can solve the problems of traffic safety risks and repair costs, and achieve the effects of improving disaster resistance, improving stability, and reducing the requirements for carrying capacity

Active Publication Date: 2022-01-25
SICHUAN DEPT OF TRANSPORTATION HIGHWAY PLANNING PROSPECTING & DESIGN RES INST
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Problems solved by technology

However, in this way, considering the uncertainty of geological disasters, damage will inevitably still occur under the influence of the next geological disaster, which will greatly increase the traffic safety risk and repair cost of this road section

Method used

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  • Lightweight high embankment structure and construction method for steep slope road sections in mountainous areas conducive to disaster prevention
  • Lightweight high embankment structure and construction method for steep slope road sections in mountainous areas conducive to disaster prevention
  • Lightweight high embankment structure and construction method for steep slope road sections in mountainous areas conducive to disaster prevention

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Embodiment Construction

[0019] Below in conjunction with accompanying drawing and embodiment the present invention is described further as follows:

[0020] Such as figure 1 , figure 2 and image 3 As shown, the light-duty high embankment structure of the mountainous steep slope section that is beneficial to disaster prevention includes a reinforced concrete pile foundation 1, a reinforced concrete cap 2 and a subgrade 3; the reinforced concrete pile foundation 1 is buried in a bearing soil layer or a rock layer; The reinforced concrete cap 2 is supported on the top of the reinforced concrete pile foundation 1 and connected with the reinforced concrete pile foundation 1;

[0021] The light-type high embankment structure of the mountainous steep slope road section disclosed by the invention, which is beneficial to disaster prevention, firstly crosses the road section of the conventional bridge structure through the roadbed form, which improves the disaster resistance of the road section and reduces...

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Abstract

The present invention is beneficial to disaster prevention for the light high embankment structure and construction method of steep slope road sections in mountainous areas, belonging to the field of highways, and aims to improve the disaster prevention and mitigation capabilities of steep slopes and high filling road sections in mountainous areas, and improve the structural safety and safety of important road sections of mountainous traffic facilities. The ability to quickly restore traffic under disaster conditions. It includes a reinforced concrete pile foundation embedded in the bearing layer, a reinforced concrete cap platform supported on the top of the reinforced concrete pile foundation and connected with the reinforced concrete pile foundation, and a light soil subgrade filled above the reinforced concrete cap platform. In the present invention, the conventional section where bridges can only be installed is changed into a subgrade structure, and the existing damaged bridge is repaired by using this structure, which improves the stability of embankments with steep slopes and avoids the influence of riverside subgrade filling on river courses. It effectively solves the problem of subgrade filling on steep slopes, near rivers, and high filling road sections; at the same time, it reduces the land occupation scale; the light high embankment structure greatly improves the traffic security capacity of this road section and reduces the life cycle cost.

Description

technical field [0001] The invention belongs to the field of highways, in particular to a light-weight high embankment structure and a construction method for steep slopes in mountainous areas and high fill sections that are beneficial to disaster prevention. Background technique [0002] Mountain roads are laid out as belt-shaped buildings on the surface of mountainous areas, and are extremely vulnerable to geological disasters such as collapses, landslides, and debris flows. Especially for steep slopes and high filling road sections, one side is adjacent to mountains, and the other side is adjacent to rivers or cliffs. Since the place is a depression formed by the side of the river or cliff to the side of the mountain, the filling height is high and the transverse slope is steep. It is difficult to set up walls and form roadbeds, and usually only bridges can be erected to cross them. However, bridges are weak in disaster resistance. They are the key nodes of the project c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E01C3/00E02D17/20
Inventor 殷强杨昌凤王奇陈沛张建永马洪生何云勇
Owner SICHUAN DEPT OF TRANSPORTATION HIGHWAY PLANNING PROSPECTING & DESIGN RES INST
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