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In the video we show how to set-up the model discussed in the validation report below. The validation concerns the response of a rock mass due to circular excavation in a Hoek-Brown material with a uniform in-situ stress. The initial calculation is performed with the Field stress calculation type available since 2D 2016.
Response of a rock mass to circular excavation (non-uniform in-situ stress)
Validation Report of Hoek-Brown model implemented in Plaxis
Hoek-Brown material model
Circular tunnel driven in elastic cross anisotropic rocks
Seepage around a pressure tunnel