Scientific Quarterly Journal of Geosciences

Scientific Quarterly Journal of Geosciences

Study of Environmental Geology Characteristics and Their Effects on Landslides around Latian Dam

Document Type : Original Research Paper

Authors
M. Fatemi Aghda 1
M. Rahbar 2
M. Mojezi 3
G. R. Asadollahfardi 1
1 Tarbiat Moalem University, Tehran, Iran.
2 National Oil Company, Ahwaz, Iran
3 Ghods Niroo Engineering Company, Tehran, Iran.
10.22071/gsj.2010.57322
Abstract
Every year, all over the world, landslides cause considerable damage to life and property. In order to prevent the danger and destruction brought about by landslides, it is important to identify the reasons for the occurrence of this phenomenon. This can only be achieved by conducting a thorough investigation into the geological conditions of the region and a study of the local and global landslides that have occurred in the past across the years. In this research, the reasons for occurrence of landslides in the region have been studied, in addition to the identification of lithological, geological, morphological and tectonical characteristics of the region around the dam. In abutments, landslides occur due to weak lithologies, discontinuities and a high topographic gradient. Landslides around the reservoir occur due to an increase in pore water pressure and changes in water level of the reservoir, in addition to the reasons mentioned above. Finally, the importance and the role of this phenomenon regarding dams and the region have been studied and explained in this research.
Keywords
Landslide
Latian Dam
Tectonic
morphology
Pore water pressure
References
Berberian, M., 1967- Contibution to the seismotectonic map of Iran (PeII), Geol Surv.of Iran, Report No. 39,156 P.
Hock, E. & Bray, J., 1981- Rock Slope Engineering, The Institution of Mining and Metallurgy, London, Third edition.
Royster, D. L., 1973- Highland landslide problems along the Cumberland Plateau in Tennessee, Assoc. Eng. Geol. Bull.10:255-287.