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Reply to comment by Falth et al. on Modelling coseismic displacements of fracture systems in crystalline rock during large earthquakes: Implications for the safety of nuclear waste repositories

INTERNATIONAL JOURNAL OF ROCK MECHANICS AND MINING SCIENCES (2022)

Modelling coseismic displacements of fracture systems in crystalline rock during large earthquakes: Implications for the safety of nuclear waste repositories

Qinghua Lei et al.

Summary: This paper investigates the seismic behavior of a nuclear waste repository site in Forsmark, Sweden, using a seismo-mechanical model based on the finite element method. The study shows that the shear displacement of a single fracture is strongly influenced by its length and dip angle, while the displacement pattern of a fracture network is dominated by its backbone structures. The earthquake-induced shear displacement decreases significantly with distance to the hypocentre, with a distance of approximately 700 meters needed for a fracture up to 100 meters long to not displace beyond 5 centimeters.

INTERNATIONAL JOURNAL OF ROCK MECHANICS AND MINING SCIENCES (2021)

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Article Geosciences, Multidisciplinary