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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)  |  Favorite  |  View/Download:100/9  |  Submit date:2023/11/28
Blasting gas  Air-deck charge  Profile quality  Rock damage and fracture  
Numerical Analysis of Directional Rock Blasting with Continuous-Discontinuous Element Method 期刊论文
KSCE JOURNAL OF CIVIL ENGINEERING, 2023
Authors:  Li, Yunpeng;  Feng C(冯春);  Zhang, Yiming
Adobe PDF(2739Kb)  |  Favorite  |  View/Download:105/13  |  Submit date:2023/07/17
Directional rock blasting  Continuous-discontinuous element method (CDEM)  Fracture degree  Damage factor  Numerical simulations  
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)  |  Favorite  |  View/Download:194/58  |  Submit date:2022/12/20
Blasting stress wave  Blasting gas  Cavity charge structure  Strain evolution  Crack propagation  
A Novel Continuous-Discontinuous Multi-Field Numerical Model for Rock Blasting 期刊论文
APPLIED SCIENCES-BASEL, 2022, 卷号: 12, 期号: 21, 页码: 13
Authors:  Li, Yunpeng;  Feng C(冯春);  Ding, Chenxi;  Zhang, Yiming
Adobe PDF(53446Kb)  |  Favorite  |  View/Download:179/48  |  Submit date:2022/12/20
rock blasting  continuous-discontinuous element method (CDEM)  multi-field coupled processes  dynamic loading  gas permeation  numerical simulations  
Coupling of material point and continuum discontinuum element methods for simulating blast-induced fractures in rock 期刊论文
COMPUTERS AND GEOTECHNICS, 2022, 卷号: 144, 页码: 11
Authors:  Yue ZW;  Zhou J;  Feng C(冯春);  Wang X;  Peng LZ;  Cong JY
Adobe PDF(5753Kb)  |  Favorite  |  View/Download:391/117  |  Submit date:2022/03/22
Continuum-discontinuum element method  Material point method  Rock blasting  Numerical simulation  
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)  |  Favorite  |  View/Download:181/42  |  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)  |  Favorite  |  View/Download:253/61  |  Submit date:2021/08/03
Vertical shaft  Cut blasting  Continuum-based discrete element method  Fractal damage  Fracture degree  
Numerical investigation of the effect of holes on dynamic fracturing in multi-flawed granite 期刊论文
FATIGUE & FRACTURE OF ENGINEERING MATERIALS & STRUCTURES, 2021, 页码: 14
Authors:  Yue Zhongwen;  Zhou Jun;  Feng C(冯春);  Li Akang;  Qiu Peng;  Gang Mingwei
Adobe PDF(3255Kb)  |  Favorite  |  View/Download:266/78  |  Submit date:2021/05/17
continuum‐  based discrete element method  crack  flawed rock  split Hopkinson pressure bar system  
Cohesive fracture model of rocks based on multi-scale model and Lennard-Jones potential 期刊论文
ENGINEERING FRACTURE MECHANICS, 2021, 卷号: 246, 页码: 26
Authors:  Lin QD(林钦栋);  Li SH(李世海);  Feng C(冯春);  Wang XQ(王心泉)
Adobe PDF(8499Kb)  |  Favorite  |  View/Download:444/172  |  Submit date:2021/04/19
Multi-scale model  Lennard-Jones potential  Cohesive fracture model  Fracture energy  
Evolution characteristics of crack and energy of low-grade highway under impact load 期刊论文
INTERNATIONAL JOURNAL OF PAVEMENT ENGINEERING, 2021, 页码: 16
Authors:  Lin QD(林钦栋);  Feng C(冯春);  Zhu XG(朱心广);  Zhang GH(张耕豪);  Li SH(李世海)
Adobe PDF(2166Kb)  |  Favorite  |  View/Download:329/101  |  Submit date:2021/04/07
Impact load  low-grade highway  evolution characteristic of deflection  evolution characteristic of crack  evolution characteristic of energy