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Open image in new windowStudy of Landslides in Flysch Deposits of North Istria, Croatia: Landslide Data Collection and Recent Landslide Occurrences

  • Željko ArbanasEmail author
  • Sanja Dugonjić Jovančević
  • Martina Vivoda
  • Snježana Mihalić Arbanas
Conference paper

Abstract

The northeastern part of the Istrian Peninsula in Croatia is built of Palaeogene flysch deposits, in which instability is common and where a large number of landslides, with significant consequences, have been recorded. Study of landslides in flysch deposits of North Istria will be conducted as one of the main activities of ongoing IPL-184 Project. It includes analyses and recognition of sliding mechanisms to use in landslide modelling and to determine landslide susceptibility and hazard in flysch rock mass deposits. Several landslide types, mechanisms and conditions occur in the study area. The majority of studied landslides occurred during the spring and winter. Generally, the landslides are of rotational and translational sliding type, and rarely rock falls and debris flows. Local roads and rarely other structures and facilities suffered major damage as a consequence of the landslides. Landslide inventories, as well as landslide susceptibility maps, have never been carried out in the study area. Today’s knowledge about landslides in this area is based on investigations of individual landslides and partial scientific research. After the project started, some of the activities from all stages of the project have been initiated. The proposed first stage of the project includes supplementation of the existing database, and field investigations of recent and existing landslides in the study area, as well as soil sampling for laboratory testing. Moreover, the methods used for landslide susceptibility and landslide hazard assessment are presented. This paper presents the current state of investigations and research in the initial stage of the IPL-184 Project.

Keywords

Landslide Flysch Data collection Landslide mechanism 

References

  1. Arbanas Ž, Benac Č, Jardas B (1999) Small landslides on the flysch of Istria. In: Proceedings of the 3rd conference of Slovenian geotechnical society, SloGeD, Ljubljana, pp 81–88Google Scholar
  2. Arbanas Ž, Benac Č, Jurak V (2006) Causes of debris flow formation in flysch area of North Istria, Croatia. In: Lorenzini G, Brebbia CA, Emmanouloudis DE (eds) Monitoring, simulation, prevention and remediation of dense and debris flows. WIT Trans Ecol Environ 90: 283–292Google Scholar
  3. Arbanas Ž, Grošić M, Goršić D, Griparić B (2007) Landslides remedial works on small roads of Istria. In: Raus B (ed) Proceedings of the 4th Croatian roads congress. Croatian Road Society-Via Vita, Zagreb, p 38Google Scholar
  4. Arbanas Ž, Mihalić S, Grošić M, Dugonjić S, Vivoda M (2010) Brus landslide, translational block sliding in flysch rock mass. In: Proceedings of the European rock mechanics symposium: rock mechanics in civil and environmental engineering. CRC Press/Balkema, London, pp 635–638Google Scholar
  5. Arbanas Ž, Dugonjić S, Benac Č (2011) Causes of small scale landslides in flysch deposits of Istria, Croatia. In: Proceedings of the 2nd world landslides forum, Rome, 3–9 October 2011, pp 221–226Google Scholar
  6. Benac Č (1994) Engineering-geological characteristics of the coastal belt and Rijeka Bay offshore. Dissertation, Faculty of Mine Geology and Petroleum, University of ZagrebGoogle Scholar
  7. Benac Č, Dugonjić S, Arbanas Ž, Oštrić M, Jurak V (2009) The origin of instability phenomena along the Karst-Flysch contacts. In: ISRM international symposium rock engineering in difficult ground conditions: Soft Rock i Karst, Cavtat, Croatia. CRC Press, Boca Raton, pp 757–761Google Scholar
  8. Carrara A, Cardinali M, Guzzetti F, Reichenbach P (1995) GIS-based techniques for mapping landslide hazard. In: Carrara A, Guzzetti F (eds) GIS in assessing natural hazards. Kluwer, Dordrecht, pp 135–177Google Scholar
  9. Cruden DM, Varnes DJ (1996) Landslide types and processes. In: Turner AK, Shuster RL (eds) Landslides: investigation and mitigation, transportation research board special report 247. National Academy Press, WA, pp 36–75Google Scholar
  10. Dugonjić Jovančević S, Arbanas Ž (2012) Recent landslides on the Istrian Peninsula, Croatia. Nat Hazards 62(3):1323–1338CrossRefGoogle Scholar
  11. Dugonjić Jovančević S, Nagai O, Sassa K, Arbanas Ž (2014) Deterministic landslide susceptibility analyses using LS-Rapid software. In: Proceedings of the 1st regional symposium in the Adriatic-Balkan Region with the 3rd Workshop of the Japanese-Croatian Project: landslide and flood hazard assessment, Zagreb, Croatia (in press)Google Scholar
  12. Dugonjić S, Arbanas Ž, Benac Č (2008) Assessment of landslide hazard on flysch slopes. In: Proceedings of the 5th conference of Slovenian geotechnical society, 12–14 June 2008, Nova Gorica, Slovenia, pp 263–272Google Scholar
  13. ISRM, Commission on Standardization of Laboratory and Field Test (1985) Suggested methods for determining point load strength. Int J Rock Mech Min Sci Geomech Abstr 22(2):51–60CrossRefGoogle Scholar
  14. Marinos P, Hoek E (2001) Estimating the geotechnical properties of heterogeneous rock masses such as flysch. Bull Eng Geol Environ 60:85–92CrossRefGoogle Scholar
  15. Mihalić S, Krkač M, Arbanas Ž, Dugonjić S (2011) Analysis of sliding hazard in wider area of Brus landslide. In: Proceedings of the 15th European conference on soil mechanics and geotechnical engineering: geotechnics of hard soils – Weak Rocks, 11–15 September 2011, Athens, Greece, pp 1377–1382Google Scholar
  16. Mlinar Ž (1995) Station D-3: landslide Lupoglav. Excursion tutorial of 1st Croatian Geological Congress, Opatija, Croatia, pp 162–171Google Scholar
  17. Varnes DJ (1984) IAEG commission on landslides and other mass-movements – landslide hazard zonation: a review of principles and practice. UNESCO Press, Paris, pp 1–63Google Scholar
  18. WP/WLI (International Geotechnical Societies’ Unesco Working Party On World Landslide Inventory) (1993) Multilingual landslide glossary. The Canadian Geotechnical Society, BiTech Publisher Ltd, Richmond, CanadaGoogle Scholar

Copyright information

© Springer International Publishing Switzerland 2014

Authors and Affiliations

  • Željko Arbanas
    • 1
    Email author
  • Sanja Dugonjić Jovančević
    • 1
  • Martina Vivoda
    • 1
  • Snježana Mihalić Arbanas
    • 2
  1. 1.Faculty of Civil Engineering, Geotechnical DepartmentUniversity of RijekaRijekaCroatia
  2. 2.Faculty of Mining Geology and Petroleum Engineering, Geotechnical Department for Geology and Geological EngineeringUniversity of ZagrebZagrebCroatia

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