Table of Contents
Where is the Swedish circle method used?
The Swedish Circle method or the method of slices is used for determining the stability of the earth slope of c–ϕ soil.
What is the shape of failure for Swedish circle method?
Here in the Swedish circle method, potential failure surface is assumed to be cylindrical in shape (i.e., circular in cross section).
What is friction circle method?
The friction circle is a graphical tool that defines the line of action of the intergranular forces at any given point on the sliding circle in a convenient way. This semi-empirical approach is known as the modified friction circle method. Using this method, Taylor developed charts for slope stability (Taylor 1937).
What is Bishop method?
Simplified Bishop Method for Slope Stability The simplified Bishop method uses the method of slices to discretize the soil mass and determine the FS (Factor of Safety). This method satisfies vertical force equilibrium for each slice and overall moment equilibrium about the center of the circular trial surface.
What is slice method?
The method of slices divides a slope into multiple two-dimensional stripes, or slices, and the driving and resisting forces are calculated for each slice. This method considers both circular and planar slip surfaces (e.g., Bishop, 1955; Sarma, 1973).
What are slope failures?
Slope failures occur when driving forces overcome resisting forces. The driving force is typically gravity, and the resisting force is the slope material’s shear strength. Weathered geology: Weak, weathered bedrock, jointed rock, or bedrock that dips parallel to the slope can decrease stability.
How many types of slope failure are there?
Soil slope failures are generally of four types : Translational Failure. Rotational Failure. Wedge Failure.
What is friction circle method for stability analysis explain?
This method is based on total stress analysis, but it enables the angle of shearing resistance to be taken into account. It is convenient approach for both graphical and mathematical solutions.
What is slip circle failure?
The Swedish slip circle method assumes a circular failure interface, and analyzes stress and strength parameters using circular geometry and statics. The moment caused by the internal driving forces of a slope is compared to the moment caused by forces resisting slope failure.
What is the Fellenius method?
In the method of slices, also called OMS or the Fellenius method, the sliding mass above the failure surface is divided into a number of slices. The forces acting on each slice are obtained by considering the mechanical (force and moment) equilibrium for the slices.
What is ordinary method of slices?
Ordinary Method of Slices In the method of slices, also called OMS or the Fellenius method, the sliding mass above the failure surface is divided into a number of slices. The forces acting on each slice are obtained by considering the mechanical (force and moment) equilibrium for the slices.
Which of the following methods of slices does not consider the Interslice force?
His method (also known as the Ordinary method, the Swedish circle method, the conventional method, and the US Bureau of Reclamation method) assumes no interslice forces, and the factor of safety is achieved by the overall moment equilibrium around the center of a circular slip surface.