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NEW TECHNOLOGY OF CUMULATIVE CUTTING BLASTING WITH MULTI-PERFORATING

Luo Yong, Shen Zhao-wu, Honghao Ma

Open publisher page 1 citations

Abstract

Regarding the problems existing in smooth blasting and controlled blasting of directional fracture,and combining the status of complex outline shaped blasting in rock masses with high uniaxial compressive strength,the paper put forward and defined a new controlled blasting technology of cumulative cutting with multiple perforation.The characters and blasting mechanism of the cumulative cutting were discussed in detail.The application of this technology to the blasting of marble with high uniaxial compressive strength reached good result.The application and development of this technology offer an approach of high efficiency and low energy consumption to shaped blasting of rock body with high strength and complex sections,and is of extensive practical prospect.

About this research paper

What this paper is about

Regarding the problems existing in smooth blasting and controlled blasting of directional fracture,and combining the status of complex outline shaped blasting in rock masses with high uniaxial compressive strength,the paper put forward and defined a new controlled blasting technology of cumulative cutting with multiple perforation.The characters and blasting mechanism of the cumulative cutting were discussed in detail.The application of this technology to the blasting of marble with high uniaxial compressive strength reached good result.The application and development of this technology offer an approach of high efficiency and low energy consumption to shaped blasting of rock body with high strength and complex sections,and is of extensive practical prospect.

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Available abstract

Regarding the problems existing in smooth blasting and controlled blasting of directional fracture,and combining the status of complex outline shaped blasting in rock masses with high uniaxial compressive strength,the paper put forward and defined a new controlled blasting technology of cumulative cutting with multiple perforation.The characters and blasting mechanism of the cumulative cutting were discussed in detail.The application of this technology to the blasting of marble with high uniaxial compressive strength reached good result.The application and development of this technology offer an approach of high efficiency and low energy consumption to shaped blasting of rock body with high strength and complex sections,and is of extensive practical prospect.

Key concepts: Rock blasting, Compressive strength, Perforation, Engineering, Geotechnical engineering, Mining engineering, Structural engineering, Mechanical engineering

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