Stress Balance and Vibration Reduction and Disaster Prevention High Bridge Pier Structure and Construction Method for High and Steep Highway Slopes

Abstract

The invention discloses a high-steep road slope stress balance and a high bridge pier structure for vibration reduction and disaster prevention and a construction method. The prestressed anchor cable (6) of the invention eliminates the impact of the slope body on the high pier structure of the pile foundation arranged in the air. Horizontal thrust action; the inner arch tie beam (5) realizes the prestress and the dispersion of the stress of the slope horizontal thrust on the high pier structure of the pile foundation; the vibration-damping rubber pad (7) increases the flexibility of the pier structure and reduces the pressure of the pile foundation. The structural failure of the high bridge pier structure itself and the slope body due to vibration and the occurrence of slope disasters. The steps of the construction method include: material preparation and production, pile foundation construction, drilling, construction of inner arch tie beams (5), pouring and tensioning of prestressed anchor cables (6), construction of bridge piers, etc., and the construction method is simple. The present invention has broad application prospects for the strengthening, vibration reduction and disaster prevention of high and steep side slope pile foundations and high pier structures of traffic infrastructure in vertical and horizontal gully zones in mountainous areas.

Description

technical field [0001] The invention relates to the field of slope retaining and high bridge pier bridge engineering, in particular to a high bridge pier structure and construction method for high and steep highway slope stress balance, vibration reduction and disaster prevention prestressed anchor cable pile foundation. Background technique [0002] The pile foundation and pier structure of highway bridges has good applicability in the construction of transportation infrastructure in mountainous areas with large terrain fluctuations, especially in the dense vertical and horizontal areas of ravines and hills. In recent years, with the increase of investment in infrastructure and the improvement and improvement of the theoretical and technological level of my country's construction industry, pile-based high bridge pier structures located on various rock geological slopes have emerged continuously, and at the same time, due to slope failures, The engineering accidents caused by...

AI Technical Summary

Problems solved by technology

However, accidents caused by the failure of anti-sliding structures and the instability of pile-based high bridge piers are frequent. At the same time, the construction of anti-sliding piles and other structures cannot avoid the excavation of the hillside, which seriously damages the ecology and does not meet the requirements of green ecological buildings. idea

To sum up, the problems in the design and application of the high pier structure of the piled foundation on the existing road slope are relatively prominent. And the functional characteristics of the anti-skid structure are not well understood

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