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Stability analysis of a coupled structure: a railway tunnel and a road cut slope
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Date
2018
Author
Ünlütürk, Burcu
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A road-cut slope is planned for the construction of a new highway at Zonguldak province. This slope will be excavated by bench blasting method in close proximity to the No 50 Turkish State Railway Tunnel which is a masonry lined 84 years old tunnel in service. The excavation will continue until –approximately- 56 m horizontal and 55 m vertical distances remain to the tunnel lining. The plane failure risk of the slope and the damage risk of the tunnel are two major risks. Investigating stability of the slope and determination of strains and displacements around the tunnel caused by the rock excavation by using plane strain analysis are crucial to assess the safety of these coupled structures, the tunnel and the slope itself. In this thesis, the stability analysis of the road-cut slope and the probability of any damage on the rock structure around the tunnel and the masonry lining caused by the excavation of the benches are examined with two-dimensional plane strain finite element program RS2 with shear strength reduction technique.
Subject Keywords
Railroad tunnels
,
Slopes (Soil mechanics)
URI
http://etd.lib.metu.edu.tr/upload/12622314/index.pdf
https://hdl.handle.net/11511/27448
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Graduate School of Natural and Applied Sciences, Thesis
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B. Ünlütürk, “Stability analysis of a coupled structure: a railway tunnel and a road cut slope,” M.S. - Master of Science, Middle East Technical University, 2018.
