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BLASTING DEMOLITION OF A 42M HIGH RAILWAY BRIDGE PIER

Liu Chang-bang

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Abstract

In this paper,a blasting project of demolishing a high railway bridge pier of 42m was introduced.In order to protect the abutment of the pier and the other structures nearby,some effective measures were taken based on the features of the pier structure and its surrounding,such as the proper blasting cut position,precisely orientated openings,the careful design and construction of the steel bars pre-cutting.The success of this project showed that the experience could be consulted by the engineering of the similar.

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What this paper is about

In this paper,a blasting project of demolishing a high railway bridge pier of 42m was introduced.In order to protect the abutment of the pier and the other structures nearby,some effective measures were taken based on the features of the pier structure and its surrounding,such as the proper blasting cut position,precisely orientated openings,the careful design and construction of the steel bars pre-cutting.The success of this project showed that the experience could be consulted by the engineering of the similar.

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Available abstract

In this paper,a blasting project of demolishing a high railway bridge pier of 42m was introduced.In order to protect the abutment of the pier and the other structures nearby,some effective measures were taken based on the features of the pier structure and its surrounding,such as the proper blasting cut position,precisely orientated openings,the careful design and construction of the steel bars pre-cutting.The success of this project showed that the experience could be consulted by the engineering of the similar.

Key concepts: Pier, Engineering, Demolition, Rock blasting, Abutment, Bridge (graph theory), Structural engineering, Civil engineering

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