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2013•China Mining MagazineRequires access

Application and improvement of shallowblasting shrinkage stoping in Maojiazhai mine

Xudong Liu

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Abstract

Based on analysing mine-body characteristics,production status,and mining conduction of Malanjkhand copper mine,compared VCR method with non-sill pillar sublevel caving method and block forced caving method,confirmed that non-sill pillar sublevel caving method are used for open pit mining to underground mining,optimizing structural parameters of non-sill pillar sublevel caving method,decreasing the engineering quantity of stoping and cutting,reducing loose and dilution.

About this research paper

What this paper is about

Based on analysing mine-body characteristics,production status,and mining conduction of Malanjkhand copper mine,compared VCR method with non-sill pillar sublevel caving method and block forced caving method,confirmed that non-sill pillar sublevel caving method are used for open pit mining to underground mining,optimizing structural parameters of non-sill pillar sublevel caving method,decreasing the engineering quantity of stoping and cutting,reducing loose and dilution.

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Available abstract

Based on analysing mine-body characteristics,production status,and mining conduction of Malanjkhand copper mine,compared VCR method with non-sill pillar sublevel caving method and block forced caving method,confirmed that non-sill pillar sublevel caving method are used for open pit mining to underground mining,optimizing structural parameters of non-sill pillar sublevel caving method,decreasing the engineering quantity of stoping and cutting,reducing loose and dilution.

Key concepts: Stoping, Sill, Pillar, Mining engineering, Copper mine, Geology, Geotechnical engineering, Shrinkage

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