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Design method of blasthole charge structure based on lithology distribution
YingXian Chen1, Jian Chen2, PengFei Wang1
1College of Mining, Liaoning Technical University, Fuxin, 123000, China.
Scientific Reports
|December 21, 2021
Summary
Intelligent drilling rigs provide accurate lithology data for blasthole charge design. This new method improves blasting efficiency and fragmentation while reducing costs.
Area of Science:
- Geotechnical Engineering
- Mining Engineering
- Explosives Engineering
Background:
- Geological exploration borehole density limits accurate blasthole charge design.
- Traditional methods struggle with precise rock formation distribution data.
Purpose of the Study:
- To develop a blasthole charge structure design method utilizing intelligent drilling rig data.
- To improve blasting efficiency and rock fragmentation through accurate charge design.
Main Methods:
- Intelligent drilling rigs collect lithology distribution data.
- Data is categorized by rock hardness and grouped into soft and hard rock strata.
- Explosive amounts and charge lengths are calculated based on lithology and unit explosive consumption.
- C++ programming language used for implementation and application.
Main Results:
- Accurate segmented charging of blastholes achieved.
- Improved blasting effect and rock fragmentation.
- Reduced overall blasting costs.
Conclusions:
- The proposed method offers a significant improvement over traditional blasthole charge design.
- Intelligent drilling rigs enable more precise and cost-effective blasting operations.
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