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2010•Port & Waterway EngineeringRequires access

Demolishing blasting of longitudinal concrete cofferdam in the upper reaches of Dadingzishan navigation-power junction

Shuai Xiu-lian

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Abstract

The design of demolishing blasting of longitudinal concrete cofferdam in the upper reaches of the Dadingzishan navigation-power junction is introduced.According to the characteristics and technical requirement of the cofferdam blasting,by adopting damping holes,presplit blasting and damping tank to reduce the vibration,also using straw matting-steel wire mesh and sand bags to prevent the flying stones,a satisfactory blasting effect is achieved.

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What this paper is about

The design of demolishing blasting of longitudinal concrete cofferdam in the upper reaches of the Dadingzishan navigation-power junction is introduced.According to the characteristics and technical requirement of the cofferdam blasting,by adopting damping holes,presplit blasting and damping tank to reduce the vibration,also using straw matting-steel wire mesh and sand bags to prevent the flying stones,a satisfactory blasting effect is achieved.

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Available abstract

The design of demolishing blasting of longitudinal concrete cofferdam in the upper reaches of the Dadingzishan navigation-power junction is introduced.According to the characteristics and technical requirement of the cofferdam blasting,by adopting damping holes,presplit blasting and damping tank to reduce the vibration,also using straw matting-steel wire mesh and sand bags to prevent the flying stones,a satisfactory blasting effect is achieved.

Key concepts: Cofferdam, Rock blasting, Engineering, Geotechnical engineering, Power (physics), Structural engineering, Marine engineering, Quantum mechanics

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