Engineering geological behaviour of recent conglomerate deposits in dam foundation. The case of Agiokampos dam in Thessaly, central Greece.

Β. Μαρίνος, Σ. Λαζαρίδου, Β. Κ. Περλέρος, Κ. Σωτηροπούλου


A typical example of dam foundation on Neogenic conglomerate deposits is presented in this paper. The case of Agiokampos dam in east Thessaly in central Greece. The level of natural compactness and the nature of the cementing material are crucial elements for the strength, the bearing capacity and the permeability of these formations. These conglomerates of medium consistency, do not allow relying on traditional sampling and tests in the boreholes. Lugeon tests are meaningless and falling head tests are recommended. Back analysis on slopes is certainly a useful tool for approaching the strength parameters of the global rock mass. Thus it is understood that the engineering geological assessment before any testing and analysis is of prime importance. Due to the fine nature of the cement, permeability is generally low and no leakages are expected. However, an impermeable grout curtain must be created due to some higher values. Conglomerates are not easily groutable and a combination of a diaphragm wall is suggested. Finally, a carpet grouting is designed since the surficial zone is susceptible to internal erosion.

Λέξεις κλειδιά

Διεθνές Συνέδριο της Ελληνικής Γεωλογικής Εταιρίας (13ο : 5-8 Σεπτεμβρίου 2013 : Χανιά, Ελλάδα); International Congress of the Geological Society of Greece (13th : 2013 September 5-8 : Chania, Greece); conglomerates; earthfill dam; foundation; permeability; water tightness; κροκαλοπαγή; χωμάτινο φράγμα; θεμελίωση; περατότητα; στεγανή κουρτίνα

Πλήρες Κείμενο:


Εισερχόμενη Αναφορά

  • Δεν υπάρχουν προς το παρόν εισερχόμενες αναφορές.

©1999-2001 Βιβλιοθήκη "Θεόφραστος", Με την επιφύλαξη παντός νομίμου δικαιώματος.
Εφαρμογή / Διαχείριση Ιστοχώρου: Μηντζαρίδης Στέργιος
Η ανάπτυξη του site πραγματοποιήθηκε με την αποκλειστική χρήση Λογισμικού Ανοιχτού Κώδικα