Institutional Repository of Key Laboratory of Shale Gas and Geoengineering, Institute of Geology and Geophysics, Chinese Academy of Sciences
| A multilevel parallel bonded-grain based model (Multi Pb-GBM) accounting for microstructure failures of typical crystalline rocks | |
| Li, G.1,2; Liu, S. Q.3; Ma, F. S.1,2; Guo, J.1,2 | |
| 2022-11-01 | |
| Source Publication | BULLETIN OF ENGINEERING GEOLOGY AND THE ENVIRONMENT
 |
| ISSN | 1435-9529 |
| Volume | 81Issue:11Pages:14 |
| Abstract | This study investigates the mechanical properties of rock material at the grain scale. A multilevel parallel bonded-grain based model (Multi Pb-GBM) is proposed to revel the microstructure of granite. The bonded modes of the samples are classified into three types: intra-grain contacts, inter-grain contacts between the same type of mineral, and inter-grain contacts between two different minerals. The parameters of the model are obtained from calculation tests of the uniaxial compressive strength and the Brazilian tension strength. Then, comprehensive simulations are conducted to examine the dynamic damage evolution of brittle granitic rock. The impact of the mineral distribution mode and the grain size coefficient on the simulated failure mode and rock strength are examined. An intact fracture-monitored system is established based on the fish function, and the behaviors of the microfractures are discussed. The results indicate that Multi Pb-GBM can effectively simulate rock mechanical problems and that it has advantages when simulating typical crystalline rocks. |
| Keyword | Microscopic structures Multi Pb-GBM Size distribution coefficient Fracture behavior Ratio of uniaxial compressive strength (UCS) to Brazilian tension strength (BTS) |
| DOI | 10.1007/s10064-022-02976-6 |
| Funding Organization | National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China |
| WOS Keyword | TENSILE-STRENGTH ; MICROCRACKING BEHAVIOR ; CRACKING PROCESSES ; PARTICLE MODEL ; FRACTURE ; GRANITE ; DEFORMATION ; SIMULATION ; HETEROGENEITY ; CALIBRATION |
| Language | 英语 |
| Funding Project | National Natural Science Foundation of China[42072305] ; National Natural Science Foundation of China[41831293] |
| Funding Organization | National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China |
| WOS Research Area | Engineering ; Geology |
| WOS Subject | Engineering, Environmental ; Engineering, Geological ; Geosciences, Multidisciplinary |
| WOS ID | WOS:000869262700001 |
| Publisher | SPRINGER HEIDELBERG |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.iggcas.ac.cn/handle/132A11/107777 |
| Collection | 页岩气与地质工程院重点实验室 |
| Corresponding Author | Liu, S. Q. |
| Affiliation | 1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Shale Gas & Geoengn, Beijing 100029, Peoples R China 2.Chinese Acad Sci, Innovat Acad Earth Sci, Beijing 100029, Peoples R China 3.China Natl Petr Corp, Econ & Technol Res Inst, Beijing 100011, Peoples R China |
| First Author Affilication | Key Laboratory of Shale Gas and Geoengineering, Institute of Geology and Geophysics, Chinese Academy of Sciences |
| Recommended Citation GB/T 7714 | Li, G.,Liu, S. Q.,Ma, F. S.,et al. A multilevel parallel bonded-grain based model (Multi Pb-GBM) accounting for microstructure failures of typical crystalline rocks[J]. BULLETIN OF ENGINEERING GEOLOGY AND THE ENVIRONMENT,2022,81(11):14. |
| APA | Li, G.,Liu, S. Q.,Ma, F. S.,&Guo, J..(2022).A multilevel parallel bonded-grain based model (Multi Pb-GBM) accounting for microstructure failures of typical crystalline rocks.BULLETIN OF ENGINEERING GEOLOGY AND THE ENVIRONMENT,81(11),14. |
| MLA | Li, G.,et al."A multilevel parallel bonded-grain based model (Multi Pb-GBM) accounting for microstructure failures of typical crystalline rocks".BULLETIN OF ENGINEERING GEOLOGY AND THE ENVIRONMENT 81.11(2022):14. |
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