Experimental Investigation of the Relationships Among P-Wave Velocity, Tensile Strength, and Mode-I Fracture Toughness of Granite After High-Temperature Treatment
文献类型：期刊论文
| 作者 | Hu, Yuefei3,4; Hu, Yaoqing3,4; Zhao, Guokai1,2; Jin, Peihua3,4; Zhao, Zhongrui3,4; Li, Chun3,4 |
| 刊名 | NATURAL RESOURCES RESEARCH
 |
| 出版日期 | 2022-02-09 |
| 页码 | 16 |
| 关键词 | High temperature Granite Ultrasonic nondestructive testing Brittleness index Thermal damage |
| ISSN号 | 1520-7439 |
| DOI | 10.1007/s11053-022-10020-3 |
| 英文摘要 | High temperature can damage rocks and change their mechanical properties. In this study, some basic and vital properties of granite heated at different temperatures were investigated. Combined with previous research results, the effect of temperature on some physical and mechanical parameters of granite and the relationships among P-wave velocity (vp), tensile strength (sigma t), and mode-I fracture toughness (KIC) were analyzed. The results showed that the mass, vp, and sigma t of granite decreased gradually with increasing heat-treatment temperature. The KIC increased slightly from room temperature (20 degrees C) to 100 degrees C and decreased gradually when it exceeded 100 degrees C. The ratio alpha of sigma t to KIC increased with increasing temperature; alpha is related to brittleness of the rock and it can be used as index for measuring its brittleness. The vp of granite had a strong linear relationship with the mechanical properties. The two damage factors based on vp can characterize well the degradation of the mechanical properties of granite below 400 and above 400 degrees C. The results provide an important guide for evaluating the damage degree of high temperature on rocks using the ultrasonic non-destructive testing technology and characterizing quantitatively the ductility and brittleness of rocks. |
| 资助项目 | National Natural Science Foundation of China[41807195] ; National Natural Science Foundation of China[51974191] ; Graduate Innovative Projects of Shanxi Province[RC2000003602] |
| WOS研究方向 | Geology |
| 语种 | 英语 |
| WOS记录号 | WOS:000753350500001 |
| 出版者 | SPRINGER |
| 源URL | [http://119.78.100.198/handle/2S6PX9GI/34467]  |
| 专题 | 中科院武汉岩土力学所 |
| 通讯作者 | Hu, Yaoqing |
| 作者单位 | 1.Chinese Acad Sci, Inst Rock & Soil Mech, State Key Lab Geomech & Geotech Engn, Wuhan 430071, Hubei, Peoples R China 2.Chongqing Univ, State Key Lab Coal Mine Disaster Dynam & Control, Chongqing 400044, Peoples R China 3.Taiyuan Univ Technol, Key Lab In Situ Property Improving Min, Minist Educ, Taiyuan 030024, Shanxi, Peoples R China 4.Taiyuan Univ Technol, Inst Min Technol, Taiyuan 030024, Shanxi, Peoples R China |
| 推荐引用方式 GB/T 7714 | Hu, Yuefei,Hu, Yaoqing,Zhao, Guokai,et al. Experimental Investigation of the Relationships Among P-Wave Velocity, Tensile Strength, and Mode-I Fracture Toughness of Granite After High-Temperature Treatment[J]. NATURAL RESOURCES RESEARCH,2022:16. |
| APA | Hu, Yuefei,Hu, Yaoqing,Zhao, Guokai,Jin, Peihua,Zhao, Zhongrui,&Li, Chun.(2022).Experimental Investigation of the Relationships Among P-Wave Velocity, Tensile Strength, and Mode-I Fracture Toughness of Granite After High-Temperature Treatment.NATURAL RESOURCES RESEARCH,16. |
| MLA | Hu, Yuefei,et al."Experimental Investigation of the Relationships Among P-Wave Velocity, Tensile Strength, and Mode-I Fracture Toughness of Granite After High-Temperature Treatment".NATURAL RESOURCES RESEARCH (2022):16. |
入库方式： OAI收割
来源：武汉岩土力学研究所
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