Influence of joint roughness on the shear performance of grouted rock mass: Numerical investigation with an improved traction-separation model
文献类型：期刊论文
| 作者 | Zhou, Yuan3; Gao, Linjie1,3; Geng, Zhi3; Liu, Bin3; Liu, Yang2; Liu, Quansheng2 |
| 刊名 | COMPUTERS AND GEOTECHNICS
 |
| 出版日期 | 2024-04-01 |
| 卷号 | 168页码:17 |
| 关键词 | Joint roughness coefficient Grouted joint Shear behavior FDEM Improved T -S model |
| ISSN号 | 0266-352X |
| DOI | 10.1016/j.compgeo.2024.106136 |
| 英文摘要 | In this study, the coupled FEM-DEM method (FDEM) is adopted to investigate the mechanical response of grouted joint. To realistically capture the post-peak mechanical performance of grouted joint, an improved T -S model is developed by transforming the classical bilinear T -S model into an elastic-brittle T -S model. The validation results show that the improved T -S model can accurately describe the mechanical response of grouted joints under various normal loading conditions. Then, several compressive-shear simulations on grouted joint with different Joint Roughness coefficients (JRCs) and normal loads (Fs) were conducted based on the proposed model. Finally, comprehensive analysis was made to study the effects of JRC and F on the deformation characteristics and mechanical behavior of grouted joint. The results indicate that as JRC ranges from 6.57 to 19.1, the cohesion and internal friction angle exponentially increase by 30.8% and 13.4%, respectively. Moreover, JRC has a significant influence on shear displacement corresponding to peak strength, cohesion, and internal friction angle, while F strongly affects with shear displacement corresponding to peak strength and peak shear strength. |
| 资助项目 | National Natural Science Foundation of China[42302316] ; National Natural Science Foundation of China[U22A20234] ; National Natural Science Foundation of China[51974289] |
| WOS研究方向 | Computer Science ; Engineering ; Geology |
| 语种 | 英语 |
| WOS记录号 | WOS:001180050400001 |
| 出版者 | ELSEVIER SCI LTD |
| 源URL | [http://119.78.100.198/handle/2S6PX9GI/40757]  |
| 专题 | 中科院武汉岩土力学所 |
| 通讯作者 | Liu, Bin |
| 作者单位 | 1.Wuhan Univ Sci & Technol, Coll Urban Construction, Wuhan 430065, Peoples R China 2.Wuhan Univ, Sch Civil Engn, Wuhan 430072, Peoples R China 3.Chinese Acad Sci, Inst Rock & Soil Mech, Wuhan 430064, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zhou, Yuan,Gao, Linjie,Geng, Zhi,et al. Influence of joint roughness on the shear performance of grouted rock mass: Numerical investigation with an improved traction-separation model[J]. COMPUTERS AND GEOTECHNICS,2024,168:17. |
| APA | Zhou, Yuan,Gao, Linjie,Geng, Zhi,Liu, Bin,Liu, Yang,&Liu, Quansheng.(2024).Influence of joint roughness on the shear performance of grouted rock mass: Numerical investigation with an improved traction-separation model.COMPUTERS AND GEOTECHNICS,168,17. |
| MLA | Zhou, Yuan,et al."Influence of joint roughness on the shear performance of grouted rock mass: Numerical investigation with an improved traction-separation model".COMPUTERS AND GEOTECHNICS 168(2024):17. |
入库方式： OAI收割
来源：武汉岩土力学研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。