Integrated steel anchor pipe foundation structure of highway guardrail and sound barrier and a construction method thereof.

Abstract

The invention discloses an integrated steel anchor pipe foundation structure of a highway guardrail and a sound barrier and a construction method thereof. A steel anchor pipe has the advantages of rapid construction and low cost construction, and the key is that the superior anchoring performance of the steel anchor pipe, which is deeply anchored in the ground, can provide large horizontal resistance for the guardrail and the sound barrier and ensure long-term safe use of an upper structure; and at the same time, the reinforcement of steel anchor pipe can improve the stability of subgrade slope. The construction method comprises the following construction methods of material preparation and manufacture, measuring and placing of steel anchor pipe pile positions, driving holes into steel pipes, preparing grouting liquid and working procedures, first grouting, embedding vertical ribs and installing grout sealing sheets and the like. The technology is mature, the working procedures are reasonable, the construction is carried out simultaneously with subgrade and pavement construction, and the construction method has the characteristics of rapid construction. A wide application prospectfor a road equipped with the guardrails and the sound barrier is achieved.

Description

technical field [0001] The invention relates to the field of highway auxiliary structures and foundation engineering, in particular to an integrated steel anchor pipe foundation structure and construction method for highway guardrails and sound barriers. Background technique [0002] As the most important and irreplaceable infrastructure for the development of the national economy and the travel of the people, highways play an important role. In the construction of expressways, in order to reduce the occurrence of traffic accidents, especially to provide a safe buffer line of defense for vehicles whose driving direction is out of order, various protective facilities have been continuously improved, such as anti-collision barriers; at the same time, when passing through important human settlements , dense residential areas, and specific areas with special requirements for noise, it is usually necessary to control the noise of the road, which can generally be achieved by layin...

AI Technical Summary

Problems solved by technology

However, when the above two auxiliary structures (things) of the highway are buried, they usually adopt their own independent foundation structures. This construction method wastes building materials and inevitably increases the cost of the project. Therefore, the design proposes that the guardrail and the sound barrier share The basic structure has great economic benefits for road construction

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