Side slope reinforcing method and structure

A technology for strengthening structures and slopes, which is applied in basic structure engineering, excavation, construction, etc., can solve the problems of slope instability, low strength, and difficulty in adapting to large-scale landslide control, and achieves good governance effect and improves the effect of strengthening the scope.

Active Publication Date: 2011-04-20
POWERCHINA CHENGDU ENG
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Problems solved by technology

[0006] However, when multiple groups of joint fissures and various types of faults and dikes are developed inside the slope, an extremely complex slope structure may be formed, which may be affected by natural forces such as human engineering activities, rainfall, and earthquakes, and may cause slope

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  • Side slope reinforcing method and structure
  • Side slope reinforcing method and structure

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Embodiment Construction

[0035] The present invention will be further described below in conjunction with accompanying drawing.

[0036] Such as figure 1 As shown, the elevation of a certain slope is 970.00m~1290.00m, and the excavation slope ratio is 1∶0.3~1∶0.5; the unloading fissures 10 and dikes 9 developed along the slope and outside the mid-dip slope are combined with each other. cutting to form a series of unfavorable blocks, which control the local stability of the slope; inside the slope, there are potential unstable blocks formed along the slope to the deep sliding surface 8 parallel to the slope trend and with a maximum buried depth of more than 100m Body up to 5 million m 3 , controls the overall stability of the slope. The reinforcement method and reinforcement structure of the present invention will be described below for the specific conditions of the slope.

[0037] The main inventive point of the present invention is to use a concrete shear structure to reinforce the sliding surfac...

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Abstract

The invention discloses side slope reinforcing method and structure. The side slope reinforcing method comprises a step of building a concrete anti-shear structure in a slope body. The side slope reinforcing method is characterized in that the concrete anti-shear structure is an integral structure comprising anti-shear tunnels, anchored tunnels and displacement inclined shafts, wherein the anti-shear tunnels and the anchored tunnels are formed through pouring; a plurality of layers of the anti-shear tunnels are arranged at intervals along the strike direction of a slip crack surface in a compressive-shear area of the slip crack surface as seen from the side surface of the concrete anti-shear structure, and each layer of the anti-shear tunnels all horizontally extend on the slip crack surface; a plurality of the anchored tunnels are arranged at intervals along the strike directions of the anti-shear tunnels on the selected anti-shear tunnels as seen from the front surface of the concrete anti-shear structure, and the anchored tunnels all penetrate through the anti-shear tunnels along the directions facing to the slip crack surface; and besides, the two layers of anti-shear tunnels are connected into an integer through a plurality of the displacement inclined shafts extending between the selected upper and lower layers of the anti-shear tunnels along the slip crack surface. The integer formed by the anti-shear tunnels, the anchored tunnels and the displacement inclined shafts through the pouring is suitable for treating a large-size rocky high-steep side slope with deeper burial depth on the slip crack surface.

Description

technical field [0001] The invention relates to the technical field of rock slope reinforcement engineering, in particular to a slope reinforcement method and a reinforcement structure. Background technique [0002] In complex rock slope engineering, unfavorable geological bodies such as deep faults, fissures and weak dikes are the main factors affecting slope stability, and their treatment technology is the focus and difficulty of rock slope engineering. At present, the reinforcement structures successfully applied in large-scale high and steep rock slope treatment projects mainly include the following types: [0003] With the development of anchor cable technology, a large number of anchor cables have been used for reinforcement in landslide prevention and control. This technology stabilizes the landslide by arranging several rows of anchor cables on the landslide body and applying a prestress to the landslide body. In addition, this technology will also use prestressed ...

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Application Information

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IPC IPC(8): E02D17/20
Inventor 宋胜武周钟巩满福黄彦昆李文纲饶宏玲邵敬东周创兵向柏宇卫蔚陈岗陈秋华张荣贵姜清辉
Owner POWERCHINA CHENGDU ENG
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