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TXT-tool 3.385-1.1: Application of Integrated Landslide Simulation Model LS-Rapid to the Kostanjek Landslide, Zagreb, Croatia

  • Karolina Gradiški
  • Kyoji Sassa
  • Bin He
  • Željko Arbanas
  • Snježana Mihalić Arbanas
  • Martin Krkač
  • Predrag Kvasnička
  • Maja Oštrić
Chapter

Abstract

This paper describes numerical modeling of the Kostanjek landslide using the LS-Rapid software. The analyses using the LS-Rapid software were made for two different triggering factors i.e. excess of pore water pressure, and combination of pore excess water pressure and earthquake occurrence, and it was applied at two different landslide cases. In the first case, the LS-Rapid software was used to re-examine the landslide model for the Kostanjek landslide reported by Ortolan (Development of 3D engineering geological model of deep landslide with multiple sliding surfaces (example of the Kostanjek landslide). Faculty of Mining, Geology and Petroleum Engineering, University of Zagreb, Zagreb, 1996), Mihalinec and Stanić (Građevinar 43:441–447, 1991) and Stanić and Nonveiller (Eng Geol 42:269–283, 1996). In the second case, LS-Rapid was used to confirm the Kostanjek landslide model in which the sliding surfaces are initially developed through the soil mass. During the initial shearing, the excess pore pressure is often generated during the landslide activations by triggering factors and the post failure-motion of the landslide. The strength parameters used in these analyses were derived from tests in undrained ring shear apparatus carried out by Oštrić et al. (Proceeding of the 10th anniversary of ICL, Kyoto, Japan, 2012a, Disaster Prevent Res Inst Annu B 55:57–65, b). It is expected that the results of the Kostanjek Landslide simulation using LS-Rapid software and parameters obtained from undrained tests carried out in ring shear apparatus would give realistic results and would help for better understanding of the Kostanjek landslide behavior.

Keywords

Kostanjek landslide LS-RAPID Slope stability 

Notes

Acknowledgements

Equipment and software used in the study was obtained with financial support from the SATREPS [Science and Technology Research Partnership for Sustainable Development] program, financed by the Japan Science and Technology Agency and Japan International Cooperation Agency through the Project Risk Identification and Land-Use Planning for Disaster Mitigation of Landslides and Floods in Croatia. This support is gratefully acknowledged. This work is an expanded version of the paper published and presented on the 1st Regional Symposium of Landslides in the Adriatic-Balkan Region and the 3rd Workshop of the Croatian-Japanese Project “Risk Identification and Land-Use Planning for Disaster Mitigation of Landslides and Floods in Croatia” in Zagreb in March 2103.

References

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Copyright information

© Springer International Publishing AG 2018

Authors and Affiliations

  • Karolina Gradiški
    • 1
  • Kyoji Sassa
    • 2
  • Bin He
    • 3
  • Željko Arbanas
    • 4
  • Snježana Mihalić Arbanas
    • 1
  • Martin Krkač
    • 1
  • Predrag Kvasnička
    • 1
  • Maja Oštrić
    • 5
  1. 1.Faculty of Mining, Geology and Petroleum EngineeringUniversity of ZagrebZagrebCroatia
  2. 2.International Consortium on LandslidesKyotoJapan
  3. 3.State Key Laboratory of Lake Science and EnvironmentNanjing Institute of Geography and Limnology, Chinese Academy of ScienceNanjingChina
  4. 4.Faculty of Civil EngineeringUniversity of RijekaRijekaCroatia
  5. 5.Croatian WatersRijekaCroatia

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