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Journal of Mountain Science

, Volume 16, Issue 9, pp 2150–2158 | Cite as

Stability evaluation of the Gümüşhane-Akçakale cave by numerical analysis method

  • Selcuk AlemdagEmail author
  • Halil Ibrahim Zeybek
  • Gokhan Kulekci
Article
  • 20 Downloads

Abstract

The Akçakale Cave is located in the vicinity of the Arsa neighborhood within the boundaries of the Akçakale village, Gümüşhane, Turkey. The cave is rich in cave formations (stalactite, stalagmite, cave pearl, cave flower, wall travertines). Thus, the appropriateness of opening the cave to visitors to boost tourism is of importance for the local and national economy. This study analyzes the stability of the Akçakale Cave using a numerical analysis method. According to the results of the total displacement analysis, there are displacements in the entrance, ceiling, and sidewalls of the cave ranging from 1 mm to 48 mm. It seems that the entrance, ceiling, and sidewalls of the cave face a high risk of local or sudden collapse. According to the deformation analysis of the length section of the cave examined, local collapses may occur especially in the first 75 m from the entrance of the cave. We believe that this situation would not carry a risk for the Arsa neighborhood for now. In conclusion, the results of the stability analysis and in-situ observations showed clear evidence of former and ongoing cave-ins (collapses) and the Akçakale Cave faces a high risk of local or sudden collapse. Thus, although the Akçakale Cave is one of the most prominent karst caves in Turkey, it seems to be not appropriate to open the cave to tourist visits.

Keywords

Akçakale Cave Dripstone Finite element method Karst caves Numerical analysis 

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Notes

Acknowledgments

The authors would like to thank Lecturer Mehmet Akif Marabaoğlu and Dr. Mahmut Sarı for technical review of the language and arrangement of figures.

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Copyright information

© Science Press, Institute of Mountain Hazards and Environment, CAS and Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Department of Geological EngineeringGümüşhane UniversityGümüşhaneTurkey
  2. 2.Department of GeographyOndokuz Mayıs UniversitySamsunTurkey
  3. 3.Department of Mining EngineeringGümüşhane UniversityGümüşhaneTurkey

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