Keywords: tunnel portal
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Journal Articles
Geotechnical Research (2022) 9 (2): 116–128.
Published: 01 February 2022
.... For this purpose, the tunnel portal section was investigated numerically by finite-element analysis. Considering the results obtained from the three-dimensional (3D) numerical analysis, the existing portal was enlarged and excavation of the third tube was started. Currently, the portal construction...

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