Spalling characteristics of high-temperature treated granitic rock at different strain rates

被引：33
作者：
Fan, L. F. [1 ]
Yang, Q. H. [1 ]
Du, X. L. [1 ]
机构：
[1] Beijing Univ Technol, Key Lab Urban Secur & Disaster Engn, Minist Educ, Beijing 100124, Peoples R China
来源：
JOURNAL OF ROCK MECHANICS AND GEOTECHNICAL ENGINEERING | 2024年 / 16卷 / 04期
基金：
中国国家自然科学基金; 北京市自然科学基金;
关键词：
Dynamic spalling characteristics; High temperature; Strain rate; Dynamic loading; Granite; DYNAMIC TENSILE-STRENGTH; WAVE-PROPAGATION; MECHANICAL-BEHAVIOR; CONCRETE; FAILURE; SHPB;
D O I：
10.1016/j.jrmge.2023.05.016
中图分类号：
P5 [地质学];
学科分类号：
0709 ; 081803 ;
摘要：
The dynamic spalling characteristics of rock are important for stability analysis in rock engineering. This paper presented an experimental investigation on the dynamic spalling characteristics of granite with different temperatures and strain rates. A series of dynamic spalling tests with different impact velocities were conducted on thermally treated granite at different temperatures. The dynamic spalling strengths of granite with different temperatures and strain rates were determined. A model was proposed to correlate the dynamic spalling strength of granite, high temperature and strain rate. The results show that the spalling strength of granite decreases with increasing temperature. Moreover, the spalling strength of granite with a higher strain rate is larger than that with a lower strain rate. The proposed model can describe the relationship among dynamic spalling strength of granite, high temperature and strain rate. (c) 2024 Institute of Rock and Soil Mechanics, Chinese Academy of Sciences. Production and hosting by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/ licenses/by-nc-nd/4.0/).
引用
收藏
页码：1280 / 1288
页数：9
相关论文
共 57 条
[1]   A thermo-hydromechanical displacement discontinuity method to model fractures in high-pressure, high-temperature environments [J].
Abdollahipour, Abolfazl ;
Marji, Mohammad Fatehi .
RENEWABLE ENERGY, 2020, 153 :1488-1503
[2]   Time-dependent crack propagation in a poroelastic medium using a fully coupled hydromechanical displacement discontinuity method [J].
Abdollahipour, Abolfazl ;
Marji, Mohammad Fatehi ;
Bafghi, Alireza Yarahmadi ;
Gholamnejad, Javad .
INTERNATIONAL JOURNAL OF FRACTURE, 2016, 199 (01) :71-87
[3]   Parametric identification for material of viscoelastic SHPB from wave propagation data incorporating geometrical effects [J].
Butt, H. S. U. ;
Xue, P. ;
Jiang, T. Z. ;
Wang, B. .
INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES, 2015, 91 :46-54
[4]   Practical Estimates of Tensile Strength and Hoek-Brown Strength Parameter mi of Brittle Rocks [J].
Cai, M. .
ROCK MECHANICS AND ROCK ENGINEERING, 2010, 43 (02) :167-184
[5]   Experimental Study on Wave Propagation Across a Rock Joint with Rough Surface [J].
Chen, X. ;
Li, J. C. ;
Cai, M. F. ;
Zou, Y. ;
Zhao, J. .
ROCK MECHANICS AND ROCK ENGINEERING, 2015, 48 (06) :2225-2234
[6]   Fracture Processes in Granite Blocks Under Blast Loading [J].
Chi, Li Yuan ;
Zhang, Zong Xian ;
Aalberg, Arne ;
Yang, Jun ;
Li, Charlie C. .
ROCK MECHANICS AND ROCK ENGINEERING, 2019, 52 (03) :853-868
[7]   Strain-rate dependency of the dynamic tensile strength of rock [J].
Cho, SH ;
Ogata, Y ;
Kaneko, K .
INTERNATIONAL JOURNAL OF ROCK MECHANICS AND MINING SCIENCES, 2003, 40 (05) :763-777
[8]   An Experimental Method to Determine the Tensile Strength of Concrete at High Rates of Strain [J].
Erzar, B. ;
Forquin, P. .
EXPERIMENTAL MECHANICS, 2010, 50 (07) :941-955
[9]   Experiments and mesoscopic modelling of dynamic testing of concrete [J].
Erzar, B. ;
Forquin, P. .
MECHANICS OF MATERIALS, 2011, 43 (09) :505-527
[10]   Experimental study on wave propagation through granite after high-temperature treatment [J].
Fan, L. F. ;
Yang, K. C. ;
Wang, M. ;
Wang, L. J. ;
Wu, Z. J. .
INTERNATIONAL JOURNAL OF ROCK MECHANICS AND MINING SCIENCES, 2021, 148
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