Part II of this series of paper deals with the phenomenology of swelling in tunnels from Jura Mountains (Switzerland) excavated through the Gipskeuper and the Anhydritgruppe. The main features of expansions observed in the presented
case studies are summarized and the performance of resisting and yielding support systems is compared. Evidences presented in this series of papers indicate
that the transformation of anhydrite into gypsum is not a reasonable explanation for long-term expansive phenomena occurring in sulphate-bearing rocks. It is suggested that these phenomena are strongly related
to rock degradation due to both tunneling induced drainage towards the bottom of excavations and tunneling induced ventilation.
CitationBerdugo, I. [et al.]. Tunnelling and swelling in triassic sulphate-bearing rocks: part II: case studies from Jura Mountains. "Epsilon", Juny 2009, vol. 12, p. 39-53.
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