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INFLUENCE OF SURFACE BLASTING ON SLOPE STABILITY IN OPEN PIT

Liwei Xing

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Abstract

Tending to have the possibility of the large-scale landslide in northern slope at Anjialing Pit,Pingshuo Coal Industry Co,the mining blasting vibration measurement was carried out.The attenuation characteristic of the mining blasting in the slope was obtained and the reasonableness of the main blasting parameters was evaluated.Based on the measurements and resulting analysis suggestions of controlling the total charge quantity with delay blasting to increase vibration frequency were given for reducing the influence on the slope stability caused by resonating.The suggestions also provided a scientific foundation for the mining blasting design.

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What this paper is about

Tending to have the possibility of the large-scale landslide in northern slope at Anjialing Pit,Pingshuo Coal Industry Co,the mining blasting vibration measurement was carried out.The attenuation characteristic of the mining blasting in the slope was obtained and the reasonableness of the main blasting parameters was evaluated.Based on the measurements and resulting analysis suggestions of controlling the total charge quantity with delay blasting to increase vibration frequency were given for reducing the influence on the slope stability caused by resonating.The suggestions also provided a scientific foundation for the mining blasting design.

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Available abstract

Tending to have the possibility of the large-scale landslide in northern slope at Anjialing Pit,Pingshuo Coal Industry Co,the mining blasting vibration measurement was carried out.The attenuation characteristic of the mining blasting in the slope was obtained and the reasonableness of the main blasting parameters was evaluated.Based on the measurements and resulting analysis suggestions of controlling the total charge quantity with delay blasting to increase vibration frequency were given for reducing the influence on the slope stability caused by resonating.The suggestions also provided a scientific foundation for the mining blasting design.

Key concepts: Rock blasting, Open-pit mining, Geotechnical engineering, Slope stability, Engineering, Foundation (evidence), Landslide, Coal mining

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