Fracture behavior of shale containing two parallel veins under semi-circular bend test using a phase-field method
文献类型：期刊论文
| 作者 | Huang, Da1,4; Yang, Yun-Yun1; Song, Yi-Xiang1; Wu, Zhi-Jun2; Yang, Yong-Tao3; Tang, Xuhai2; Cen, Duofeng1 |
| 刊名 | ENGINEERING FRACTURE MECHANICS
 |
| 出版日期 | 2022-05-15 |
| 卷号 | 267期号:-页码:- |
| 关键词 | Phase-field method Fracture behavior Parallel veins interaction Semi-circular bend (SCB) test |
| ISSN号 | 0013-7944 |
| 英文摘要 | The parallel veins that often exist in shale remarkably impact its fracture process and patterns, causing the uncontrollability of fracture networks in the extraction of shale gas. The phase-field method (PFM) was validated to be feasible for modelling the complicated fracture propagation in the shale samples with a single vein under semi-circular bend (SCB) test based on the experiment of Lee et al. (2015) [1]. The serial extended SCB tests were numerically carried out using PFM to understand the impacts of two parallel veins on fracture behavior of shale. The analyzed sensitivity factors include the geometrical and distributional parameters concerning the vein approach angle, the vein spacing and sample size, as well as the deformation and strength properties concerning Young's modulus, Poisson's ratio and fracture toughness. The approach angle and spacing of parallel veins significantly affect the fracture behavior and the distribution of damage zone. Three patterns of the SCB sample with two parallel veins are observed and mainly controlled by the approach angle of vein. The spacing between two parallel veins has an important effect only on the fracture propagation. The damage in veins appears in before the crack propagating into them, indicating that the defective veins play a guide role to the fracture propagation. |
| 学科主题 | Mechanics |
| 语种 | 英语 |
| WOS记录号 | WOS:000892138500001 |
| 出版者 | PERGAMON-ELSEVIER SCIENCE LTD |
| 源URL | [http://119.78.100.198/handle/2S6PX9GI/35399]  |
| 专题 | 中科院武汉岩土力学所 |
| 作者单位 | 1.School of Civil and Transportation Engineering, Hebei University of Technology, Tianjin 300401, China 2.School of Civil Engineering, Wuhan University, Wuhan 430072, China 3.State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, China 4.College of Geology Engineering and Geomatics, Chang’an University, Xi’an 710054, China |
| 推荐引用方式 GB/T 7714 | Huang, Da,Yang, Yun-Yun,Song, Yi-Xiang,et al. Fracture behavior of shale containing two parallel veins under semi-circular bend test using a phase-field method[J]. ENGINEERING FRACTURE MECHANICS,2022,267(-):-. |
| APA | Huang, Da.,Yang, Yun-Yun.,Song, Yi-Xiang.,Wu, Zhi-Jun.,Yang, Yong-Tao.,...&Cen, Duofeng.(2022).Fracture behavior of shale containing two parallel veins under semi-circular bend test using a phase-field method.ENGINEERING FRACTURE MECHANICS,267(-),-. |
| MLA | Huang, Da,et al."Fracture behavior of shale containing two parallel veins under semi-circular bend test using a phase-field method".ENGINEERING FRACTURE MECHANICS 267.-(2022):-. |
入库方式： OAI收割
来源：武汉岩土力学研究所
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