Assessment of Young's modulus of small-sized rock samples based on macroindentation testing
文献类型：期刊论文
| 作者 | Luo, Yujie3,4; Zhang, Yang2; Wang, Qian2; Song, Jinliang1; Hu, Dawei3,4; Zhou, Hui3,4 |
| 刊名 | ACTA GEOTECHNICA
 |
| 出版日期 | 2025-01-17 |
| 页码 | 22 |
| 关键词 | Hertzian contact theory Macroindentation test Oliver-Pharr theory Substrate effect Young's modulus |
| ISSN号 | 1861-1125 |
| DOI | 10.1007/s11440-024-02520-8 |
| 英文摘要 | Assessing the Young's modulus of deep rock formations is essential for deep rock engineering. However, obtaining high-quality cores remains challenging. This study introduces a macroindentation method to evaluate the Young's modulus of small-sized rock samples, which are easier to obtain. Comprehensive experiments were conducted on fused quartz, shale, sandstone, limestone, and granite, and the Phi\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\Phi$$\end{document}1 mm and Phi\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\Phi$$\end{document}2.5 mm Brinell indenters were found to provide consistent results. Numerical simulations demonstrated the influence of substrate effect on indentation depth, and system compliance was defined to account for the combined effects of machine deformation and substrate effect. An improved five-step loading method was developed to calibrate system compliance, yielding results comparable to those from uniaxial compression tests. This method offers a practical alternative for evaluating the mechanical properties of rocks in deep engineering applications. |
| 资助项目 | National Natural Science Foundation of China[52179114] ; National Natural Science Foundation of China[2022YFE0137200] ; National Key R&D Program for Intergovernmental Cooperation in Science and Technology |
| WOS研究方向 | Engineering |
| 语种 | 英语 |
| WOS记录号 | WOS:001397088400001 |
| 出版者 | SPRINGER HEIDELBERG |
| 源URL | [http://119.78.100.198/handle/2S6PX9GI/37952]  |
| 专题 | 中科院武汉岩土力学所 |
| 通讯作者 | Hu, Dawei |
| 作者单位 | 1.Dalian Maritime Univ, Coll Transportat Engn, Dalian 116026, Peoples R China 2.CNPC Engn Technol R&D Co Ltd, Beijing 102206, Peoples R China 3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 4.Chinese Acad Sci, Inst Rock & Soil Mech, State Key Lab Geomech & Geotech Engn, Wuhan 430071, Peoples R China |
| 推荐引用方式 GB/T 7714 | Luo, Yujie,Zhang, Yang,Wang, Qian,et al. Assessment of Young's modulus of small-sized rock samples based on macroindentation testing[J]. ACTA GEOTECHNICA,2025:22. |
| APA | Luo, Yujie,Zhang, Yang,Wang, Qian,Song, Jinliang,Hu, Dawei,&Zhou, Hui.(2025).Assessment of Young's modulus of small-sized rock samples based on macroindentation testing.ACTA GEOTECHNICA,22. |
| MLA | Luo, Yujie,et al."Assessment of Young's modulus of small-sized rock samples based on macroindentation testing".ACTA GEOTECHNICA (2025):22. |
入库方式： OAI收割
来源：武汉岩土力学研究所
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