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Investigating the Anisotropy of Mechanical Parameters of Schist Rock with Practical Numerical Methods

by 1,2,3,4, 1, 5 and 4,*
1
State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, China
2
Key Laboratory of Geotechnical Mechanics and Engineering of Ministry of Water Resources, Yangtze River Scientific Research Institute, Wuhan 430010, China
3
MOE Key Lab of Disaster Forecast and Control in Engineering, Jinan University, Guangzhou 510000, China
4
State Key Laboratory for GeoMechanics and Deep Underground Engineering, China University of Mining &Technology, Xuzhou 221116, China
5
School of Civil and Transportation Engineering, Guangdong University of Technology, Guangzhou 510006, China
*
Author to whom correspondence should be addressed.
Sustainability 2021, 13(2), 725; https://doi.org/10.3390/su13020725
Received: 7 December 2020 / Revised: 22 December 2020 / Accepted: 28 December 2020 / Published: 13 January 2021
(This article belongs to the Section Sustainable Engineering and Science)
The anisotropy of deformation and strength behavior in quartz mica schist is fundamental to rock mechanics. Here, we concentrated on the practical application of the numerical simulation of the anisotropy of schist rock. First, the existence of the anisotropy of the schist rock in engineering application was reported, tested in situ, and analyzed. Then, a set of specially designed multi-angle uniaxial compression tests was conducted. Based on these, two numerical simulation methods (explicit and implicit) for anisotropy were demonstrated and discussed. Between the two methods, the implicit method was more practical. Ultimately, the implicit method was adopted to perform an excavation simulation of the exploratory tunnel CPD-1. Our findings demonstrated the feasibility of the implicit method as a practical numerical method to determine the anisotropy of schist rock. View Full-Text
Keywords: rock mechanics; anisotropy; jointed rock mass model; uniaxial compression test; numerical simulation rock mechanics; anisotropy; jointed rock mass model; uniaxial compression test; numerical simulation
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MDPI and ACS Style

Cui, Z.; Sheng, Q.; Luo, Q.; Zhang, G. Investigating the Anisotropy of Mechanical Parameters of Schist Rock with Practical Numerical Methods. Sustainability 2021, 13, 725. https://doi.org/10.3390/su13020725

AMA Style

Cui Z, Sheng Q, Luo Q, Zhang G. Investigating the Anisotropy of Mechanical Parameters of Schist Rock with Practical Numerical Methods. Sustainability. 2021; 13(2):725. https://doi.org/10.3390/su13020725

Chicago/Turabian Style

Cui, Zhen; Sheng, Qian; Luo, Qingzi; Zhang, Guimin. 2021. "Investigating the Anisotropy of Mechanical Parameters of Schist Rock with Practical Numerical Methods" Sustainability 13, no. 2: 725. https://doi.org/10.3390/su13020725

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