CSpace

Browse/Search Results:  1-10 of 11 Help

Selected(0)Clear Items/Page:    Sort:
A new phenomenological anisotropic tensile failure criterion and its application in FDEM simulations 期刊论文
ENGINEERING FRACTURE MECHANICS, 2023, 卷号: 289
Authors:  Liu, Ping;  Liu, Quansheng;  Deng, Penghai;  Huang, Xing;  Xie, Xianqi
Adobe PDF(11152Kb)  |  Favorite  |  View/Download:31/6  |  Submit date:2023/08/02
Direct tensile test  Anisotropic tensile failure criterion  Combined finite-discrete element method  (FDEM)  Loading rate  Layer thickness  
Dynamic stability analysis of jointed rock slopes using the combined finite-discrete element method (FDEM) 期刊论文
COMPUTERS AND GEOTECHNICS, 2023, 卷号: 160, 期号: -, 页码: -
Authors:  Xu, Chenyu;  Liu, Quansheng;  Tang, Xuhai;  Sun, Lei;  Deng, Penghai;  Liu, He
View  |  Adobe PDF(16236Kb)  |  Favorite  |  View/Download:26/3  |  Submit date:2023/08/02
Combined finite  discrete element method  (FDEM)  Dynamic strength reduction method  Jointed rock slope  Dynamic stability analysis  Progressive failure  
Robust model for tunnel squeezing using Bayesian optimized classifiers with partially missing database 期刊论文
UNDERGROUND SPACE, 2023, 卷号: 10, 页码: 91
Authors:  Bo, Yin;  Huang, Xing;  Pan, Yucong;  Feng, Yanfang;  Deng, Penghai;  Gao, Feng;  Liu, Ping;  Liu, Quansheng
Adobe PDF(6126Kb)  |  Favorite  |  View/Download:28/6  |  Submit date:2023/08/02
Tunnel squeezing hazard  Bayesian optimization  Machine learning techniques  Sparrow search algorithm  Ensemble classifier  Incomplete database  
Influence of the oval hole on rock mechanical mechanism under uniaxial and biaxial compression: insights from the combined finite-discrete element method 期刊论文
EUROPEAN JOURNAL OF ENVIRONMENTAL AND CIVIL ENGINEERING, 2022
Authors:  Liu, Ping;  Xie, Xianqi;  Liu, Quansheng;  Deng, Penghai;  Huang, Xing;  Bo, Yin
Favorite  |  View/Download:18/0  |  Submit date:2023/08/02
Combined finite-discrete element method (FDEM)  rock containing oval hole  uniaxial compression  biaxial compression  crack propagation  brittleness index  
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
Adobe PDF(27035Kb)  |  Favorite  |  View/Download:95/9  |  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
Adobe PDF(8804Kb)  |  Favorite  |  View/Download:86/6  |  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:154/29  |  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
Adobe PDF(14111Kb)  |  Favorite  |  View/Download:64/5  |  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:158/60  |  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:120/53  |  Submit date:2020/04/08
Joint roughness  Morphological characteristics  Peak shear strength