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

Zhen Cui, Qian Sheng, Qingzi Luo and Guimin Zhang
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Zhen Cui: State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, China
Qian Sheng: State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, China
Qingzi Luo: School of Civil and Transportation Engineering, Guangdong University of Technology, Guangzhou 510006, China
Guimin Zhang: State Key Laboratory for GeoMechanics and Deep Underground Engineering, China University of Mining &Technology, Xuzhou 221116, China

Sustainability, 2021, vol. 13, issue 2, 1-14

Abstract: 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.

Keywords: rock mechanics; anisotropy; jointed rock mass model; uniaxial compression test; numerical simulation (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2021
References: View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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