Study on Effect of Water on Stability or Instability of the Earth Slopes
Journal Title: International Research Journal of Applied and Basic Sciences - Year 2014, Vol 8, Issue 9
Abstract
Water is the origin of the life, but the existence of water in earth slopes can be lead to irreparable damages. Water due to the fluid nature can be easily moved in the soil pores and due to reducing the effective stress and soil strength can be have devastating effects on the stability of earth slopes. Rise of groundwater in fine-grained soils causes swelling of soil seeds and in coarse-grained soils reduces the internal friction angle of the soil and thus lead to loss of ultimate bearing capacity of the soil. Hence, in slopes stability studies, water is a critical issue that ignoring it can be have devastating effects in the short or long term. Therefore by appropriate methods of drainage should be prevented of accumulation of water on landslide-prone slopes and during the rainfall and rising groundwater that is the main factors of the presence of water in the soil, before reaching to the soil to collapse mode, this damaging water should be directed to out of the soil. Therefore, in this study, the stability of landslide-prone slopes in the presence and absence of water are determined and the safety factors gained in the two cases are compared.
Authors and Affiliations
Mohammad Hosein Taghizadeh| Department of Engineering, Islamic Azad University, Science and Research Isfahan Branch, Isfahan, Iran, email: s.taqizadeh@gmail.com, Mahmoud Vafaeiyan| Department of Civil Engineering, Isfahan University of Technology, Isfahan, Iran
Keywords
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