Rheological Behavior of Rockmass Supported with Rockbolts Based on Viscoelastic Analysis Method

Gang Wang, Wei Han, Chuanzheng Liu, Ke Wang and Hengjie Luan
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Gang Wang: Shandong Provincial Key Laboratory of Civil Engineering Disaster Prevention and Mitigation, Shandong University of Science and Technology, Qingdao 266590, China
Wei Han: Shandong Provincial Key Laboratory of Civil Engineering Disaster Prevention and Mitigation, Shandong University of Science and Technology, Qingdao 266590, China
Chuanzheng Liu: School of Environment and Resource, Southwest University of Science and Technology, Mianyang 621000, China
Ke Wang: Shandong Provincial Key Laboratory of Civil Engineering Disaster Prevention and Mitigation, Shandong University of Science and Technology, Qingdao 266590, China
Hengjie Luan: State Key Laboratory of Mining Disaster Prevention and Control Co-Founded by Shandong Province and the Ministry of Science and Technology, Shandong University of Science and Technology, Qingdao 266590, China

Mathematics, 2018, vol. 6, issue 10, 1-16

Abstract: In this paper, we present the viscoelastic solutions for rockmass supported with discretely mechanically or frictionally coupled (DMFC) rockbolts to reveal the coupling rheological mechanisms. The analytical solutions are first acquired by applying the Laplace inverse transforms. The effect of different viscosity coefficients and supporting parameters on the coupling model rheological behavior are then investigated. It is concluded that the variation of the rockbolt axial force or rock mass stress and displacement have a close relationship with rheological parameters and support parameters. In addition, the variations of mechanical states of rockbolts and rock mass are closely related to the rheological model.

Keywords: Laplace transform; rockmass; viscoelastic solutions; rheological model (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2018
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