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FDEM numerical modeling of failure mechanisms of anisotropic rock masses around deep tunnels 期刊论文
COMPUTERS AND GEOTECHNICS, 2022, 卷号: 142, 页码: 19
Authors:  Deng, Penghai;  Liu, Quansheng;  Huang, Xing;  Pan, Yucong;  Wu, Jian
Favorite  |  View/Download：50/0  |  Submit date：2022/02/17
Anisotropic rock masses  Combined finite-discrete element method  (FDEM)  Failure mechanism  Composite failure  V-shaped notch failure  Spalling of bedding plane  
A new hysteretic damping model and application for the combined finite-discrete element method (FDEM) 期刊论文
ENGINEERING ANALYSIS WITH BOUNDARY ELEMENTS, 2021, 卷号: 132, 页码: 370-382
Authors:  Deng, Penghai;  Liu, Quansheng;  Huang, Xing;  Ma, Hao
Favorite  |  View/Download：55/0  |  Submit date：2021/10/27
Hysteretic damping  Cantilever beam vibration  Underground tunnel excavation  Rock slope slip  Combined finite-discrete element method (FDEM)  
Sensitivity analysis of fracture energies for the combined finite-discrete element method (FDEM) 期刊论文
ENGINEERING FRACTURE MECHANICS, 2021, 卷号: 251, 期号: -, 页码: 20
Authors:  Deng, Penghai;  Liu, Quansheng;  Huang, Xing;  Bo, Yin;  Liu, Qi;  Li, Weiwei
View  |  Adobe PDF(19062Kb)  |  Favorite  |  View/Download：135/24  |  Submit date：2021/08/11
Fracture energy  Sensitivity analysis  Uniaxial compression  Direct tension  Combined finite-discrete element method (FDEM)  
Acquisition of normal contact stiffness and its influence on rock crack propagation for the combined finite-discrete element method (FDEM) 期刊论文
ENGINEERING FRACTURE MECHANICS, 2021, 卷号: 242, 页码: 20
Authors:  Deng, Penghai;  Liu, Quansheng;  Huang, Xing;  Liu, Qi;  Ma, Hao;  Li, Weiwei
Favorite  |  View/Download：42/0  |  Submit date：2021/05/25
Combined finite-discrete element method (FDEM)  Normal contact stiffness  Joint penalty  Crack propagation  Bond force  Contact force  
Microcracking Mechanism Analysis of Rock Failure in Diametral Compression Tests 期刊论文
JOURNAL OF MATERIALS IN CIVIL ENGINEERING, 2018, 卷号: 30, 期号: 6, 页码: -
Authors:  Liu, Quansheng;  Liu, Qi;  Pan, Yucong;  Liu, Xuewei;  Kong, Xiaoxuan;  Deng, Penghai
View  |  Adobe PDF(2682Kb)  |  Favorite  |  View/Download：111/38  |  Submit date：2018/06/05
Moment tensor (MT)  Scanning electron microscope (SEM)  Acoustic emission (AE)  Diametral compression test  Microcracking mechanism  
Updates to Grasselli's Peak Shear Strength Model 期刊论文
ROCK MECHANICS AND ROCK ENGINEERING, 2018, 卷号: 51, 期号: 7, 页码: 2115-2133
Authors:  Tian, Yongchao;  Liu, Quansheng;  Liu, Dongfeng;  Kang, Yongshui;  Deng, Penghai;  He, Fan
View  |  Adobe PDF(3836Kb)  |  Favorite  |  View/Download：99/44  |  Submit date：2020/04/08
Joint roughness  Morphological characteristics  Peak shear strength  
Experimental study on rock indentation using infrared thermography and acoustic emission techniques 期刊论文
JOURNAL OF GEOPHYSICS AND ENGINEERING, 2018, 卷号: 15, 期号: 5, 页码: 1864-1877
Authors:  Liu, Qi;  Liu, Quansheng;  Pan, Yucong;  Peng, Xingxin;  Deng, Penghai;  Huan, Kai
View  |  Adobe PDF(9196Kb)  |  Favorite  |  View/Download：137/33  |  Submit date：2020/04/08
wedge indentation  damage evolution  infrared thermography  acoustic emission  cavity expansion model