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Rock fracture mechanism of air-deck charge blasting considering the action effect of blasting gas
期刊论文
TUNNELLING AND UNDERGROUND SPACE TECHNOLOGY, 2023, 卷号: 142, 页码: 16
Authors:
Ding, Chenxi
;
Yang, Renshu
;
Zhu XG(朱心广)
;
Feng C(冯春)
;
Zhou, Jun
Adobe PDF(11547Kb)
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View/Download:78/6
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Submit date:2023/11/28
Blasting gas
Air-deck charge
Profile quality
Rock damage and fracture
Influence of ore size on the production of micro-sized ore particles by high-pressure gas rapid unloading
期刊论文
POWDER TECHNOLOGY, 2023, 卷号: 427, 页码: 118716
Authors:
Zhang GH(张耕豪)
;
Fan YB(范永波)
;
Yang, Renshu
;
Li SH(李世海)
Adobe PDF(12321Kb)
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View/Download:46/4
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Submit date:2023/09/05
High-pressure gas
Rapid unloading
Kaolin pulverization
Ore size
Size effects
A study of crack propagation during blasting under high in-situ stress conditions based on an improved CDEM method
期刊论文
MECHANICS OF ADVANCED MATERIALS AND STRUCTURES, 2023
Authors:
Ding, Chenxi
;
Liang, Xintong
;
Yang, Renshu
;
Zhang, ZongXian
;
Guo, Xiao
;
Feng C(冯春)
;
Zhu XG(朱心广)
;
Xie, Quanmin
Adobe PDF(5236Kb)
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View/Download:55/0
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Submit date:2023/06/15
Crushed zone
energy dissipation
in-situ stress
crack propagation
stress evolution
Space-time effect of blasting stress wave and blasting gas on rock fracture based on a cavity charge structure
期刊论文
INTERNATIONAL JOURNAL OF ROCK MECHANICS AND MINING SCIENCES, 2022, 卷号: 160, 页码: 9
Authors:
Ding, Chenxi
;
Yang, Renshu
;
Chen, Cheng
;
Zhu XG(朱心广)
;
Feng C(冯春)
;
Xie, Quanmin
Adobe PDF(11293Kb)
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View/Download:164/45
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Submit date:2022/12/20
Blasting stress wave
Blasting gas
Cavity charge structure
Strain evolution
Crack propagation
Directional fracture behavior and stress evolution process of the multi-slit charge blasting
期刊论文
SOIL DYNAMICS AND EARTHQUAKE ENGINEERING, 2022, 卷号: 152, 页码: 13
Authors:
Ding,Chenxi
;
Yang,Renshu
;
Xiao,Chenglong
;
Chen,Jianhua
;
Wang,Desheng
;
Gong,Min
;
Feng C(冯春)
Adobe PDF(12458Kb)
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Submit date:2022/03/05
Multi-slit charge
Directional fracture
Crack propagation
Stress evolution
Blasting vibration
Numerical analysis of deep hole multi-stage cut blasting of vertical shaft using a continuum-based discrete element method
期刊论文
ARABIAN JOURNAL OF GEOSCIENCES, 2021, 卷号: 14, 期号: 12, 页码: 11
Authors:
Ding, Chenxi
;
Yang, Renshu
;
Zheng, Changda
;
Yang, Liyun
;
He, Songlin
;
Feng C(冯春)
Adobe PDF(1348Kb)
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View/Download:224/51
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Submit date:2021/08/03
Vertical shaft
Cut blasting
Continuum-based discrete element method
Fractal damage
Fracture degree
Stress wave superposition effect and crack initiation mechanism between two adjacent boreholes
期刊论文
INTERNATIONAL JOURNAL OF ROCK MECHANICS AND MINING SCIENCES, 2021, 卷号: 138, 页码: 9
Authors:
Ding, Chenxi
;
Yang, Renshu
;
Feng C(冯春)
Adobe PDF(10293Kb)
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View/Download:231/74
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Submit date:2021/06/07
Blasting
Stress wave superposition
Crack initiation
Digital image correlation
Model experiment
Numerical simulation