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Exploration of Deep-inclined Medium-thickness Coal Seam With Deep-hole Blasting Technology

Guo Zhi-qua

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Abstract

Deep-hole blasting coal min method is very effective aimed at deep inclined medium thickness coal seam.According to the mining condition in Taoshan coal mine left nine one-shaft 90# coal seam working face, the article also described coal mining technology, applicable conditions, advantages ans disadvantages in detail. By ANSYS / LS DYNA software simulation blasting holes and control holes interval distance of 1.2 ~1.6 m, and blast radius of 1.4 ~1.8 m.This article provides an valuable experience of safety and high efficiency mining face in medium thick seam and large inclination seam.

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What this paper is about

Deep-hole blasting coal min method is very effective aimed at deep inclined medium thickness coal seam.According to the mining condition in Taoshan coal mine left nine one-shaft 90# coal seam working face, the article also described coal mining technology, applicable conditions, advantages ans disadvantages in detail. By ANSYS / LS DYNA software simulation blasting holes and control holes interval distance of 1.2 ~1.6 m, and blast radius of 1.4 ~1.8 m.This article provides an valuable experience of safety and high efficiency mining face in medium thick seam and large inclination seam.

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Available abstract

Deep-hole blasting coal min method is very effective aimed at deep inclined medium thickness coal seam.According to the mining condition in Taoshan coal mine left nine one-shaft 90# coal seam working face, the article also described coal mining technology, applicable conditions, advantages ans disadvantages in detail. By ANSYS / LS DYNA software simulation blasting holes and control holes interval distance of 1.2 ~1.6 m, and blast radius of 1.4 ~1.8 m.This article provides an valuable experience of safety and high efficiency mining face in medium thick seam and large inclination seam.

Key concepts: Coal mining, Rock blasting, Deep hole, Mining engineering, Coal, RADIUS, Engineering, Problems in coal mining

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