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Computer-aided Design of Blast Hole Distribution and its Application
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Hao-tian SONG1, Wan-zhi ZHANG2, Xiao-li SI1, Bang-shu XU2, Wei WANG3
Blasting | 2024, 41(4) : 122 - 127
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Blasting | 2024, 41(4): 122-127
• BLASTING IN ORE AND ROCK •
Computer-aided Design of Blast Hole Distribution and its Application
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Hao-tian SONG1, Wan-zhi ZHANG2, Xiao-li SI1, Bang-shu XU2, Wei WANG3
Affiliations
  • 1.China Construction Infrastructure Co., Ltd., Beijing 100029, China
  • 2.School of Qilu Transportationg, Shandong University, Jinan 250000, China
  • 3.China Construction Eighth Engineering Division Rail Transit Construction Co., Ltd., Nanjing 210046, China
Published: 2024-12-01 doi: 10.3963/j.issn.1001-487X.2024.04.015
Outline
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There are hundreds of blast holes in a tunnel blasting. Since the traditional manual drawing of the blasting scheme is laborious and depends on the experience of blasting engineering, a digital method for the planar and three-dimensional spatial distribution of blast holes was proposed based on formula derivation to study an intelligent design method for tunnel blasting blast holes. Subsequently, the programming of blast hole parameters was achieved by utilizing computer programming techniques, which can lead to the development of an intelligent blast hole design system. The results show that the parametric expression method of tunnel contour, cut holes, peripheral holes and auxiliary holes can realize their rapid creation and meet the needs of tunnel blasting. By establishing a correlation between the coordinates of the blast hole opening and bottom, a refined expression of the spatial distribution of the blast hole can be realized, and intuitive guidance for on-site drilling operations can be provided. Furthermore, a computer programming method can realize an intelligent and fine design of a blast hole layout. After tunnel blasting, the residual marks of the blast holes are complete, the contour of the tunnel excavation is smooth, and the overall excavation effect is good. The research results can improve the efficiency and intelligence of tunnel blast hole design.

drilling and blasting method  /  blast hole layout  /  parameterization  /  three-dimensional visualization  /  engineering application
Hao-tian SONG, Wan-zhi ZHANG, Xiao-li SI, Bang-shu XU, Wei WANG. Computer-aided Design of Blast Hole Distribution and its Application[J]. Blasting, 2024 , 41 (4) : 122 -127 . DOI: 10.3963/j.issn.1001-487X.2024.04.015
Funding
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  • Shandong Province Natural Science Foundation of China(ZR2021QE246)
Appendix
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Year 2024 volume 41 Issue 4
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Article Info
doi: 10.3963/j.issn.1001-487X.2024.04.015
  • Receive Date：2024-03-05
  • Online Date：2026-03-19
  • Published：2024-12-01
Article Data
Affiliations
History
  • Received：2024-03-05
Funding
Shandong Province Natural Science Foundation of China(ZR2021QE246)
Affiliations
    1.China Construction Infrastructure Co., Ltd., Beijing 100029, China
    2.School of Qilu Transportationg, Shandong University, Jinan 250000, China
    3.China Construction Eighth Engineering Division Rail Transit Construction Co., Ltd., Nanjing 210046, China

Corresponding:

ZHANG Wan-zhi (1988-), male, Ph. D, lecturer, engaged in research on rock breaking mechanism and fine blasting technology in tunnel engineering blasting, (E-mail) .
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表12种不同金属材料的力学参数
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
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Percentage of total
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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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