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Lateral restraining and reinforcing structure for stabilizing high-fill embankment with soft oil foundation built on bed rock

A soft soil foundation, lateral restraint technology, applied in infrastructure engineering, roads, roads, etc., can solve the problems of insufficient horizontal bearing capacity and large deformation, and achieve the effect of improving large deformation, construction safety, and obvious economic benefits.

Inactive Publication Date: 2014-05-28
CHINA RAILWAY ERYUAN ENG GRP CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a high embankment stability lateral restraint reinforcement structure with soft soil foundation overlying the bedrock, which is applied to the lateral restraint reinforcement of embankment foundation in areas where excavation piles are limited, so as to overcome the high embankment stability and the difficulty of excavation. Solve the construction problems of bored piles, and improve the problems of insufficient horizontal bearing capacity and large deformation of traditional bored piles

Method used

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  • Lateral restraining and reinforcing structure for stabilizing high-fill embankment with soft oil foundation built on bed rock
  • Lateral restraining and reinforcing structure for stabilizing high-fill embankment with soft oil foundation built on bed rock
  • Lateral restraining and reinforcing structure for stabilizing high-fill embankment with soft oil foundation built on bed rock

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Embodiment Construction

[0012] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0013] refer to figure 1 , figure 2 and image 3 , the high embankment stable lateral restraint reinforcement structure with bedrock overlying soft soil foundation of the present invention includes an embankment 30 built on the foundation soil layer A. The left side reinforced concrete bored pile 11 and the right side reinforced concrete bored pile 12 are arranged symmetrically at vertical intervals under the foot of the slope on both sides of the embankment 30, and the pile tops are respectively arranged with the left side reinforced concrete bored pile 11 and the right side. The reinforced concrete crown beam 11a on the left and the reinforced concrete crown beam 12a on the right are consolidated with the reinforced concrete bored pile 12, and the distance between the left reinforced concrete crown beam 11a and the right reinforced concrete crown b...

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Abstract

A lateral restraining and reinforcing structure for stabilizing a high-fill embankment with a soft oil foundation built on a bed rock is used for the lateral restraining and reinforcing of the foundation of the embankment in a region which is limited in the construction of a dug pile. The stability problem of the high-fill embankment and the construction difficulty of the dug pile are overcome, and the problems of insufficient horizontal bearing capability and large deformation of the traditional cast-in-situ bored piles are improved. The structure comprises left reinforced concrete cast-in-situ bored piles and right reinforced concrete cast-in-situ bored piles, which are symmetrically arranged at slope toes at the two sides of the embankment in the longitudinal direction at an interval, left reinforced concrete top beams and right reinforced concrete top beams, which are fixedly connected with the left reinforced concrete cast-in-situ bored piles and the right reinforced concrete cast-in-situ bored piles into a whole are respectively arranged at the tops of the piles, and anchor cables of which the two ends are connected with the top beams in an anchoring way are arranged between the left reinforced concrete top beams and the right reinforced concrete top beams in the extension direction of the embankment at an interval.

Description

technical field [0001] The invention relates to geotechnical engineering, in particular to a stable lateral restraint reinforcement structure for a high embankment covered with soft ground on bedrock. Background technique [0002] A large number of high-grade railways and highways have been built in China. In the course of the great development of road construction, a large number of soft soil foundation filling projects have been encountered, and there are a considerable number of soft soil foundation high filling projects. In many cases, the soft soil foundation alone The use of composite foundation reinforcement cannot satisfy the stability of the filling project on the soft soil foundation. For example, when the soft soil is overlying the bedrock, since the composite foundation measures cannot enter the bedrock, high filling projects will occur along the bedrock surface. Broken-line sliding failure, at this time, in order to ensure the stability of the high fill on the s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01C3/04E02D27/12
Inventor 姚裕春李安洪袁碧玉徐骏李楚根周成叶世斌曾永红李井元赵青海张敏静邓敏
Owner CHINA RAILWAY ERYUAN ENG GRP CO LTD
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