Anchor net device for high and steep slope reinforcement and protection and construction method thereof

Abstract

The invention relates to the technical field of geotechnical engineering, in particular to an anchor net device for high and steep slope reinforcement and protection and a construction method thereof.The anchor net device comprises a prestressed anchorage device and a flexible net pad, an expanding cap is arranged on the flexible net pad, the prestressed anchorage device and the expanding cap areconnected, the expanding cap comprises an upper expanding cap body and a lower expanding cap body, the upper expanding cap body and the lower expanding cap body clamp the flexible net pad from the two sides of the flexible net pad, and both the upper expanding cap body and the lower expanding cap body are in surface contact with the flexible net pad. According to the anchor net device for high and steep slope reinforcement and protection, the anchorage force of the prestressed anchorage device acts on the slope surface of a high and steep slope through the flexible net pad and the expanding cap to resist the broken rock and soil gravity and rock and soil pressure, thus the purpose of protecting the slope is achieved, the problems that concrete transport is difficult, and on-site pouring and puddling effects are poor are avoided, compared with a concrete beam, the expanding cap is small in structure, capable of being prefabricated in a factory, reliable in quality and convenient to transport, and thus the construction cost is lowered.

Description

technical field [0001] The invention relates to the technical field of geotechnical engineering, in particular to an anchor net device used for reinforcement and protection of high and steep slopes and a construction method thereof. Background technique [0002] The mountains and valleys along the Sichuan-Tibet Railway are high and the valleys are deep, characterized by high intensity, high altitude, and large height difference. High and steep natural slopes are widely distributed along the line. The height reaches the kilometer level and the slope reaches 60°. A large number of unstable slopes or dangerous rock masses are distributed on high and steep natural slopes, which are very easy to lose stability and slide under the action of earthquakes, rainfall, etc., forming high-level landslides or dangerous rockfalls, affecting the normal use of railway buildings and structures, and even It may directly damage the bridge and tunnel engineering (tunnel opening or bridge abutmen...

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to overcome existing in the prior art, when traditional anchor concrete frame beam is applied to high and steep slope protection, on-site concrete transportation is difficult; Prefabricated beam is difficult to form the ground beam of effective connection; Destruction of the ecological environment; the problem of poor concrete tamping effect when concrete frame beams are poured. An anchor net device and its construction method for reinforcement and protection of high and steep slopes are provided. Acting on the slope of high and steep slopes to achieve the purpose of protecting high and steep slopes, avoiding the difficulty of concrete transportation and poor tamping effect of on-site pouring, and expanding the cap to achieve factory prefabrication, not only reliable in quality, but also compared to concrete beams Lian said that it greatly facilitates transportation and reduces construction costs

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