FRAGMENTATION

作品数：463被引量：556H指数：11
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相关作者：石建功再帕尔·阿不力孜梁峰何晓赵丽艳更多>>
相关机构：对外经济贸易大学中国医学科学院北京协和医学院北京大学中国科学院更多>>
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相关基金：国家自然科学基金国家重点基础研究发展计划山西省自然科学基金国家教育部博士点基金更多>>
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Fluid evolution and fragmentation characteristics under high pressure water jet impact on thermal rock
《International Journal of Mining Science and Technology》2025年第3期483-497,共15页Jianming Shangguan Zhaolong Ge Qinglin Deng Yuhuai Cui Zhi Yao 
supported by National Natural Science Foundation of China (No.U23A20597);National Major Science and Technology Project of China (No.2024ZD1003803);Chongqing Science Fund for Distinguished Young Scholars of Chongqing Municipality (No.CSTB2022NSCQ-JQX0028);Natural Science Foundation of Chongqing (No.CSTB2024NSCQ-MSX0503)。
In the application of high-pressure water jet assisted breaking of deep underground rock engineering,the influence mechanism of rock temperature on the rock fragmentation process under jet action is still unclear.Ther...
关键词：Fluid evolution Fragmentation characteristics Fracture process Water jet Thermal rock 
Comparison of microwave- and thermal-assisted rock fragmentation methods at different temperatures and loading rates
《International Journal of Mining Science and Technology》2024年第6期799-819,共21页Wei Yao Shuai Wang Bangbiao Wu Ying Xu Kaiwen Xia 
supported by the National Natural Science Foundation of China(Nos.51879184 and 12172253).
Understanding the effects of microwave irradiation and thermal treatment on the dynamic compression and fragmentation properties of rocks is essential to quantify energy consumption in rock engineering.In this study,F...
关键词：Fangshan granite Dynamic experiments Microwave irradiation Thermal treatment Loading rate FRAGMENTATION 
Experimental investigation on hard rock fragmentation of inserted tooth cutter using a newly designed indentation testing apparatus被引量：5
《International Journal of Mining Science and Technology》2022年第3期459-470,共12页Jiuqun Zou Weihao Yang Tao Zhang Xiaofei Wang Min Gao 
The authors gratefully acknowledge the financial support from Natural Science Research Project of Universities in Anhui Province(No.KJ2021A0463);Scientific Research Startup Fund for introduced talents of Anhui University of Science and Technology,and Natural Science Foundation of Anhui Province(No.2108085QE208).
This investigation aims to explore the effects of stress conditions and rock cutting rates on hard rock fragmentation through indentation tests on a newly designed triaxial testing apparatus.This apparatus was designe...
关键词：Hard rock indentation test Hard rock fragmentation Triaxial confined conditions New triaxial testing apparatus Inserted tooth cutter Cylindrical rock specimens 
Increasing effect of metamorphism on rock properties
《International Journal of Mining Science and Technology》2015年第2期205-211,共7页Akinbinu Victor Abioye 
The School of Mining Engineering,University of the Witwatersrand South Africa is acknowledged for providing support towards the success of this research;Specifically the Centennial Trust Fund for Rock Engineering is appreciated for funding part of this research
This work studied the effect of increasing degree of metamorphism on the properties of rocks.The properties investigated are the physical,mechanical and dynamic parameters.They are important inputs in the design of ma...
关键词：Geology of rock Rock property Brittleness Fragmentation and metamorphism 
Blastability evaluation for rock mass fragmentation in Iran central iron ore mines被引量：6
《International Journal of Mining Science and Technology》2015年第1期59-66,共8页Akbari Majid Lashkaripour Gholamreza Yarahamdi Bafghi Alireza Ghafoori Mohammad 
In this research, we investigated the influence of rock mass properties, blast design parameters and explosive properties on blast fragmentation. Rock mass properties were evaluated in 51 blasting blocks using enginee...
关键词：Rock massBlast fragmentationBlastingSize distributionConnector 
Liberation characteristics of coal middlings comminuted by jaw crusher and ball mill被引量：13
《International Journal of Mining Science and Technology》2013年第5期669-674,共6页Xie Weining He Yaqun Zhu Xiangnan Ge Linhan Huang Yajun Wang Haifeng 
supported financially by the National Natural Science Foundation of China(No.51074156;51274196 and51221462)the Natural Youth Science Foundation of China(No.51104160)
The associated minerals make coal middlings possess a relatively high ash content.Subsequent liberation through size reduction can cause recovery increase.However,effect of comminution facilities on mineral liberation...
关键词：Coal middlings Fragmentation force LIBERATION Float and sink test Sectional micrograph 
Numerical Simulation of Interrelation of Explosive Parameters and Blasting Fragmentation
《International Journal of Mining Science and Technology》1998年第2期157-161,共5页刘殿书 于滨 谢夫海 
Numerical simulation of the process of rock fragmentation by blasting with different kinds of explosives is carried out by using the damage model of rock fragmentation and a finite difference program "SHALE". The rese...
关键词：BLASTING FRAGMENTATION EXPLOSIVE PARAMETER DAMAGE model 
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