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RocSupport is an easy-to-use software tool for estimating deformation in circular or near circular excavations in weak rock and visualization of the tunnel interaction with various support systems. Given the tunnel radius, in-situ stress conditions, rock parameters and support parameters, a ground reaction curve and a support reaction curve are calculated. The intersection of these curves determines a factor of safety for the support system.
RocSupport can be used as a tool for the preliminary design of tunnels and support systems. It can provide valuable information about various tunnel support options before detailed analysis is carried out with a finite element program such as RS2.
The program is applicable to tunnels excavated in weak rock under squeezing ground conditions. It is not applicable for excavations in hard rock, where failure is controlled by structural discontinuities or brittle failure.