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In order to study the development track and hot spot changing trends of blasting technology in openpit mining, 1116 valid journal articles were retrieved as a sample from the China National Knowledge Infrastructure (CNKI) database by selecting “open-pit mining” and “blasting” as the search criteria. According the visual analysis reports from CNKI and utilizing the visual knowledge graph tool CiteSpace, a comprehensive and in-depth study has been conducted on the state of the art, distribution characteristics, research hotspots, and cutting-edge trends in the field of open-pit mining blasting research in China. The research findings indicate that the study of open-pit mining blasting has undergone three distinct stages: the establishment and development of open-pit mining blasting theory (pre—2010), the phase of modern technology application and innovation (2010—2015), and the stage of green, intelligent, and precision development (2015—present). The disciplinary distribution primarily focuses on mining engineering and general industrial technology and equipment. The prominent journals for publication include Blasting, Engineering Blasting, and other journals in the field of mining engineering. The majority of authors and institutions are affiliated with mining-related universities, enterprises and research institutes. The research topics encompass various aspects, including the development and application of blasting design software, optimization of blasting parameters (such as blast hole pattern, powder factor and charge structure), deep-hole blasting, bench blasting, cast blasting, pre-splitting blasting, control and monitoring of blasting vibration, numerical simulation, and application of artificial intelligence algorithms, analysis of factors affecting blasting quality and evaluation of blasting effects. The future of open-pit mining blasting will continue to evolve towards automation, intelligence, precision and environmental friendliness. Through technological innovation and interdisciplinary integration, the industry aims to provide more efficient, safer and sustainable blasting solutions for the mining sector.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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