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Geomechanics and Engineering Volume 21, Number 1, April10 2020 , pages 53-62 DOI: https://doi.org/10.12989/gae.2020.21.2.053 |
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Tunnel lining load with consideration of the rheological properties of rock mass and concrete |
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Dragan C. Lukic, Elefterija M. Zlatanovic and Igor M. Jokanovic
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| Abstract | ||
| Rheological processes in the rock mass for the stress-strain analysis are quite important when considering the construction of underground structures in soft rock masses, particularly in case of construction in several stages. In the analysis, it can be assumed that the reinforced concrete structure is slightly deformable in relation to the rock mass, and the rheological stress redistribution happens at the expense of the elements of rock mass. The basic elements of rheological models for certain types of rock mass and analysis of these models are presented in the first part of this paper. The second part is dedicated to the analysis of rheological processes in marl rock mass and the influence of these processes on the reinforced-concrete tunnel structure. | ||
| Key Words | ||
| rock mass; rheological models; tunnel construction; rheological processes | ||
| Address | ||
| Dragan C. Lukic and Igor M. Jokanovic: Faculty of Civil Engineering Subotica, University of Novi Sad, Subotica 24000, Kozaračka 2a, Serbia Elefterija M. Zlatanovic: Faculty of Civil Engineering and Architecture, University of Niš, Niš 18000, A. Medvedeva 14, Serbia | ||