PROBABILISTIC APPROACH FOR DEFINING ROCK MASS PROPERTIES IN STRESS – STRAIN ANALYSIS IN TUNNELING
Date Issued
2015-10
Author(s)
Zlatko Zafirovski
Abstract
Predicting the mechanical behavior of rock masses due to their complex properties and conditions
is an extremely complex task. So, when defining their physical-mechanical properties a
comprehensive approach is required, using the appropriate scientific methods. The principle of the
method “interaction of rock and tunnel lining support”, widely used for designing tunnel
constructions is presented in this paper. The reaction curve of the rock which shows the
connection between the pressure of the tunnel lining support and the tunnel convergence, as the
tunnel deformation versus the strength ratio of the rock mass and the local exerting is being
considered. These analyses for the reaction curves of the tunnel lining support and the rock are
made for a tunnel in Macedonia, using the software package ROCSUPPORT.
is an extremely complex task. So, when defining their physical-mechanical properties a
comprehensive approach is required, using the appropriate scientific methods. The principle of the
method “interaction of rock and tunnel lining support”, widely used for designing tunnel
constructions is presented in this paper. The reaction curve of the rock which shows the
connection between the pressure of the tunnel lining support and the tunnel convergence, as the
tunnel deformation versus the strength ratio of the rock mass and the local exerting is being
considered. These analyses for the reaction curves of the tunnel lining support and the rock are
made for a tunnel in Macedonia, using the software package ROCSUPPORT.
Subjects
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