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检索条件"主题词=Particle Flow Code"
223 条 记 录,以下是41-50 订阅
Mobility forecast of gravel-silty clay landslide using ring shear test and discrete element method in Shaziba, southwestern Hubei Province, China
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BULLETIN OF ENGINEERING GEOLOGY AND THE ENVIRONMENT 2024年 第12期83卷 488页
作者: Sheng, Yifan Zhang, Bin Xu, Guangli Cheng, Zepeng Shi, Zijian Li, Yuanyao China Univ Geosci Beijing Sch Engn & Technol Beijing 100083 Peoples R China China Univ Geosci Inst Geol Survey Wuhan 430074 Peoples R China Beihang Univ Minist Educ Key Lab Fluid Mech Beijing 100191 Peoples R China China Univ Geosci Fac Engn Wuhan 430074 Peoples R China
The rapid movement and extensive displacement of gravel-silty clay landslides result in significant property damage and loss. Following the destabilization of the Shaziba landslide in Enshi City, it transformed into a... 详细信息
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Modeling Interactions between Hydraulic and Closed Natural Fractures in Brittle Crystalline Rocks: A Fluid-Solid Coupling Grain-Based Approach for Characterizing Microcracking Behaviors
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ROCK MECHANICS AND ROCK ENGINEERING 2024年 第2期57卷 889-920页
作者: Wang, Song Zhou, Jian Zhang, Luqing Han, Zhenhua Kong, Yanlong Chinese Acad Sci Key Lab Shale Gas & Geoengn Inst Geol & Geophys Beijing 100029 Peoples R China Beijing Univ Technol Key Lab Urban Secur & Disaster Engn Minist Educ Beijing 100124 Peoples R China Univ Chinese Acad Sci Coll Earth & Planetary Sci Beijing 100049 Peoples R China Chinese Acad Sci Innovat Acad Earth Sci Beijing 100029 Peoples R China
Activating closed natural fractures (NFs) in hot dry rock (HDR) reservoirs is a critical way to improve fluid conductivity and stimulate production. However, the current hydraulic fracturing simulation technology is l... 详细信息
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Macroscopic Creep Damage Fracture Characteristics and Microscopic Mechanisms of Microporous Defective Sandstone
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ROCK MECHANICS AND ROCK ENGINEERING 2025年 1-21页
作者: Chen, Dongxu Wang, Laigui Wang, Shanyong Sun, Chuang Wang, Jiamin Liaoning Tech Univ Sch Mech Engn Fuxin 123000 Peoples R China Univ Newcastle Prior Res Ctr Geotech Sci & Engn Callaghan 2308 Australia Liaoning Tech Univ Sch Civil Engn Fuxin 123000 Peoples R China CCTEG China Coal Res Inst Acad Deep Earth Sci Beijing 100013 Peoples R China
Damage and fracture during rock creep have long been a focal point in rock mechanics research. To investigate the cross-scale damage and fracture behavior of pore-deficient sandstones, this study quantitatively assess... 详细信息
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Geo-Engineering Investigations and Numerical Analysis of Namok Khola Landslide along NH310A, Sikkim, India (JAN, 10.1007/s40098-023-00835-z, 2024)
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INDIAN GEOTECHNICAL JOURNAL 2024年 第6期54卷 2465-2465页
作者: Jaiswal, Amit Verma, A. K. Indian Inst Technol Patna Dept Civil & Environm Engn Patna 801106 India
In this study, geotechnical, geological, and seismic refraction investigations were carried out along NH 310A in Sikkim, India, to assess slope instability. Namok Khola is one of the most unstable slopes identified al... 详细信息
来源: 评论
Shear mechanical properties of aggregate cemented materials: a numerical study based on a particle flow modeling strategy
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COMPUTATIONAL particle MECHANICS 2024年 第4期11卷 1755-1768页
作者: Zhang, Yiping Shi, Chong Zhang, Lingkai Zhang, Yulong Chen, Xiao Yang, Junxiong Hohai Univ Minist Educ Geomech & Embankment Engn Key Lab Nanjing 210024 Peoples R China Xinjiang Agr Univ Coll Water Conservancy & Civil Engn Urumqi 830052 Xinjiang Peoples R China Northeastern Univ Coll Resources & Civil Engn Minist Educ Safe Min Deep Met Mines Key Lab Shenyang 110819 Peoples R China Univ Toronto Dept Civil & Mineral Engn Toronto ON Canada
In this study, three-dimensional laser scanning technology is applied to obtain real geometric data of aggregate particles in cemented materials, and a characterization method of surface roughness of aggregate is prop... 详细信息
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Calibration method of mesoscopic parameter in sandy cobble soil triaxial test based on PFC3D
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Frontiers of Structural and Civil Engineering 2023年 第12期17卷 1924-1933页
作者: Pengfei LI Xiaopu CUI Yingjie WEI Junwei XIA Xinyu WANG Key Laboratory of Urban Security and Disaster Engineering of Ministry of Education Beijing University of TechnologyBeijing 100124China China Railway 14th Bureau Group Co. Ltd.Jinan 250014China China Railway 19 Bureau Group Rail Traffic Engineering Co. Ltd.Beijing 101399China School of Civil Engineering Henan Polytechnic UniversityJiaozuo 454000China
This paper presents a rapid and effective calibration method of mesoscopic parameters of a threedimensional particle flow code(PFC3D)model for sandy cobble *** method is based on a series of numerical tests and takes ... 详细信息
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Evaluation of bedding effect on the bursting liability of coal and coal-rock combination under different bedding dip angles
ADVANCES IN GEO-ENERGY RESEARCH
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ADVANCES IN GEO-ENERGY RESEARCH 2024年 第1期11卷 29-40页
作者: Wang, Chao Liu, Yv Song, Dazhao Xu, Jianhui Wang, Qiwei Zhang, Shaoyuan Kunming Univ Sci & Technol Fac Land Resources Engn Kunming 650093 Peoples R China Liaoning Tech Univ Key Lab Mine Thermodynam Disasters & Control Minist Educ Huludao 125105 Peoples R China Univ Sci & Technol Beijing Sch Civil & Resource Engn Beijing 100083 Peoples R China
Rock bursts pose a significant risk to coal mine operation safety. Thus, accurately discriminating coal bursting liabilities is crucial for predicting and preventing rock burst events. To better understand the effects... 详细信息
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A meso-damage-based constitutive model for yellow sandstone under dry-wet cycles
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Deep Underground Science and Engineering 2024年 第4期3卷 497-507页
作者: Zhe Qin Runchang Zhang Weizheng Mao Jihuan Han Zhiwen Li Sunhao Zhang College of Civil Engineering and Architecture Shandong University of Science and TechnologyQingdaoChina Shandong Key Laboratory of Civil Engineering Disaster Prevention and Mitigation Shandong University of Science and TechnologyQingdaoChina School of Engineering Nagasaki UniversityNagasakiJapan
The mechanical properties of rocks weaken under dry-wet *** weakening may significantly modify the safety reserve of underground caverns or reservoir bank ***,meso-damage has not been carefully studied based on microm... 详细信息
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Tension-shear extension criteria used in PFC2D to reveal a brittle failure of rock bridges in rock slopes with stepped joints
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ENGINEERING FRACTURE MECHANICS 2024年 295卷
作者: Qin, Chang'an Chen, Guoqing Zhang, Guowei Beijing Univ Civil Engn & Architecture Beijing Higher Inst Engn Res Ctr Civil Engn Struct & Renewable Mat Beijing Peoples R China Chengdu Univ Technol State Key Lab Geohazard Prevent & Geoenvironm Prot Chengdu 610059 Peoples R China
Stepped failure is a typical mode in alpine valleys and usually manifests as brittle fractures determined by joints. Tension-shear extension criteria were proposed to reflect the intrinsic mechanism of this failure mo... 详细信息
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Dynamic mechanical response characteristics and cracking behavior of randomly distributed cracked sandstone
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COMPUTATIONAL particle MECHANICS 2024年 第1期11卷 119-139页
作者: Yuan, Guotao Zhang, Mingwei Zhang, Kai Wei, Jun Tian, Zhuangcai Liu, Baolin China Univ Min & Technol State Key Lab Geomech & Deep Underground Engn Xuzhou 221116 Jiangsu Peoples R China China Univ Min & Technol Coll Mech & Civil Engn Xuzhou 221116 Jiangsu Peoples R China
Cracks are a ubiquitous phenomenon in rock masses, and their presence can significantly impact the dynamic mechanical behavior and evolution process of rocks. In this study, we utilized a two-dimensional particle flow... 详细信息
来源: 评论