Failure mechanism of a soil slope and stabilization method: a case study

Year 2022, , 129 - 138, 28.10.2022

Mustafa Kanık

https://doi.org/10.5505/fujece.2022.35744

Abstract

In this study, the slope stability problem, which occurred when the projected excavation works of a treatment plant has been
started, has been examined. The aim of this study is to determine the conditions causing the slope failure and to make the slope
stable again. Then, to ensure the stability of the whole slope after all the excavations work in the project area have been
completed. For this purpose, firstly, the topographic features of the slope where the failure took place were determined and a
model of the failure condition was created. Field and laboratory studies were used to obtain the data to be used in slope modeling.
Models reflecting the current situation were analyzed considering static and dynamic conditions and a safe slope design was
created. The analyzes are carried out by Slide V.6.0. software which is based on limit equilibrium methods and Bishop Method
was preferred. As a result, it was determined that the reason of the failure occurred was the change of the soil’s physical and
mechanical parameters due to precipitation. In the slope stability problem considered, the benching method has been proposed
as an improvement method, and additionally, suggestions have been made for the disposal of surface waters by drainage methods.

Keywords

Limit equilibrium, Slide, Slope stability

Thanks

The author would like to thank to Dr. Mesut Gor from Firat University, Faculty of Engineering, Department of Civil Engineering for his contribution to the article and the anonymous reviewers’ comments to improve the paper.

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