Serafeimidis, Konstantinos

Konstantinos Serafeimidis
On the dissolution, precipitation and transport processes in sulphatic swelling rocks

Tunnelling, Claystones, Gypsum Keuper, Swelling Process

Sulphatic claystones are among the most problematic rocks in tunnelling due to their distinctive swelling properties. They are known to have caused severe damage, for example, to numerous tunnels excavated in the Gypsum Keuper formation. The repairs were extremely costly and time-consuming, and often provided only a temporary solution. The setbacks experienced in tunnelling through Gypsum Keuper may be attributed, among other things, to our limited knowledge of the macroscopic principles governing the swelling process and the underlying microscopic mechanisms.

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