Shearing Damage Evolution of Natural Rock Joints with Different Wall Strengths
文献类型：期刊论文
| 作者 | Liu, Chang2,3; Jiang, Quan3; Xin, Jie2,3; Wu, Si2,3; Liu, Jian2,3; Gong, Fengqiang1 |
| 刊名 | ROCK MECHANICS AND ROCK ENGINEERING
 |
| 出版日期 | 2022-01-23 |
| 页码 | 19 |
| 关键词 | Shear damage Natural joint Wall strength Failure type Micro crack |
| ISSN号 | 0723-2632 |
| DOI | 10.1007/s00603-021-02739-x |
| 英文摘要 | Understanding the shear damage evolution of natural rock joints is of key importance for the stability of rock slopes and underground tunnels. However, the shear damage evolution of natural joints is difficult to determine due to the ubiquitous features of natural rock joints and the invisibility of the shearing process. In this study, the combined technology of "3D scanning + 3D engraving" is used to produce three types of natural rock joint specimens with identical surface morphology characteristics, and AE monitoring is applied to direct shear tests to reveal the shear damage evolution of natural rock joints. A multi-aspect analysis (including shear damage characteristics, dynamic analysis of failure types, and the maximum percentage of microcrack length in the shearing process) is conducted to recognize the shear damage evolution of natural joints. The results indicate that the shear damage characteristics of natural joints are localized and inhomogeneous, the timing and type of main failure in the shearing process will change when normal stress increases, and the increase in normal stress will first suppress and subsequently promote the maximum percentage of microcrack length. These results will encourage a better understanding of the shear failure mechanism of natural joints and provide references for the precursor identification of shear disasters in geotechnical engineering. |
| 资助项目 | National Natural Science Foundation of China[U1965205] ; National Natural Science Foundation of China[51779251] |
| WOS研究方向 | Engineering ; Geology |
| 语种 | 英语 |
| WOS记录号 | WOS:000745584200001 |
| 出版者 | SPRINGER WIEN |
| 源URL | [http://119.78.100.198/handle/2S6PX9GI/34383]  |
| 专题 | 中科院武汉岩土力学所 |
| 通讯作者 | Jiang, Quan |
| 作者单位 | 1.Cent South Univ, Sch Resources & Safety Engn, Changsha 410083, Hunan, Peoples R China 2.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China 3.Chinese Acad Sci, Inst Rock & Soil Mech, State Key Lab Geomech & Geotech Engn, Wuhan 430071, Hubei, Peoples R China |
| 推荐引用方式 GB/T 7714 | Liu, Chang,Jiang, Quan,Xin, Jie,et al. Shearing Damage Evolution of Natural Rock Joints with Different Wall Strengths[J]. ROCK MECHANICS AND ROCK ENGINEERING,2022:19. |
| APA | Liu, Chang,Jiang, Quan,Xin, Jie,Wu, Si,Liu, Jian,&Gong, Fengqiang.(2022).Shearing Damage Evolution of Natural Rock Joints with Different Wall Strengths.ROCK MECHANICS AND ROCK ENGINEERING,19. |
| MLA | Liu, Chang,et al."Shearing Damage Evolution of Natural Rock Joints with Different Wall Strengths".ROCK MECHANICS AND ROCK ENGINEERING (2022):19. |
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。