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This study focuses on the Paraffin Air-Deck (PA-Deck) blasting method, a modified air-deck technique using a paraffin-waxed paper tube to enhance safety and efficiency in urban underground development. It assesses the impact of the PA-Deck method on rock fragmentation using both experimental and numerical analyses. Results show significant reductions in blasting vibration and improved uniformity in rock fragmentation with the PA-Deck method compared to traditional blasting. Numerical analysis corroborates these findings, demonstrating a notable decrease in vibration levels and increased rock fragmentation uniformity. The study offers key insights for improving rock excavation safety and efficiency.

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A Study on the Effect of Ground Vibration Control of Blasting Method Using Explosive Distributed Charging Technique

  • 会议论文

  • 发表日期：

    2025年

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  • G. J. Min,
  • C. H. Shin,
  • G. G. Kim,
  • H. L. Kim,
  • S. H. Cho,
  • Y. K. Kim,
  • D. Fukuda

摘要

This study focuses on the Paraffin Air-Deck (PA-Deck) blasting method, a modified air-deck technique using a paraffin-waxed paper tube to enhance safety and efficiency in urban underground development. It assesses the impact of the PA-Deck method on rock fragmentation using both experimental and numerical analyses. Results show significant reductions in blasting vibration and improved uniformity in rock fragmentation with the PA-Deck method compared to traditional blasting. Numerical analysis corroborates these findings, demonstrating a notable decrease in vibration levels and increased rock fragmentation uniformity. The study offers key insights for improving rock excavation safety and efficiency.