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A gravity flow model of fragmented rocks in longitudinal sublevel caving of inclined medium-thick ore bodies

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成果类型:
期刊论文
作者:
Zhang, Xiufeng;Tao, Ganqiang*;Zhu, Zhonghua
通讯作者:
Tao, Ganqiang
作者机构:
[Zhang, Xiufeng] Northeastern Univ, Coll Resource & Civil Engn, Shenyang 110819, Liaoning, Peoples R China.
[Zhang, Xiufeng; Tao, Ganqiang; Zhu, Zhonghua] Univ South China, Sch Resource & Environm & Safety Engn, Hengyang 421001, Hunan, Peoples R China.
通讯机构:
[Tao, Ganqiang] U
Univ South China, Sch Resource & Environm & Safety Engn, Hengyang 421001, Hunan, Peoples R China.
语种:
英文
关键词:
Draw body;Inclined medium-thick ore body;Ore draw;Stochastic medium draw theory;Sublevel caving
期刊:
ARCHIVES OF MINING SCIENCES
ISSN:
0860-7001
年:
2019
卷:
64
期:
3
页码:
533-546
基金类别:
National Natural Science Foundation of P. R. ChinaNational Natural Science Foundation of China (NSFC) [51574151]
机构署名:
本校为通讯机构
摘要:
The draw theory is the foundation for decreasing ore loss and dilution indices while extracting deposits from mines. Therefore, research on draw theory is of great significance to optimally guide the draw control and improve the economy efficiency of mines. The laboratory scaled physical draw experiments under inclined wall condition conducted showed that a new way was proposed to investigate the flow zone of granular materials. The flow zone was simply divided into two parts with respect to the demarcation point of the flow axis. Based on the ...

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