Factor of Safety given Angle of Mobilized Friction Calculator

✖Angle of Internal Friction of Soil is is a measure of the shear strength of soil due to friction.ⓘ Angle of Internal Friction of Soil [Φ_i]			+10% -10%
✖Angle of Mobilized Friction is the slope angle at which an object starts sliding due to applied force.ⓘ Angle of Mobilized Friction [φ_m]			+10% -10%

✖Factor of Safety in Soil Mechanics expresses how much stronger a system is than it needs to be for an intended load.ⓘ Factor of Safety given Angle of Mobilized Friction [F_s]

⎘ Copy

👎

Formula

LaTeX

Reset

👍

Download Slope Stability Analysis using Culman's Method Formulas PDF PDF Image

Factor of Safety given Angle of Mobilized Friction Solution

STEP 0: Pre-Calculation Summary

Formula Used

Factor of Safety in Soil Mechanics = tan((Angle of Internal Friction of Soil*pi)/180)/tan((Angle of Mobilized Friction*pi)/180)
F_s = tan((Φ_i*pi)/180)/tan((φ_m*pi)/180)
This formula uses 1 Constants, 1 Functions, 3 Variables

Constants Used

pi - Archimedes' constant Value Taken As 3.14159265358979323846264338327950288

Functions Used

tan - The tangent of an angle is a trigonometric ratio of the length of the side opposite an angle to the length of the side adjacent to an angle in a right triangle., tan(Angle)

Variables Used

Factor of Safety in Soil Mechanics - Factor of Safety in Soil Mechanics expresses how much stronger a system is than it needs to be for an intended load.
Angle of Internal Friction of Soil - (Measured in Radian) - Angle of Internal Friction of Soil is is a measure of the shear strength of soil due to friction.
Angle of Mobilized Friction - (Measured in Radian) - Angle of Mobilized Friction is the slope angle at which an object starts sliding due to applied force.

STEP 1: Convert Input(s) to Base Unit

Angle of Internal Friction of Soil: 82.87 Degree --> 1.44635435112743 Radian (Check conversion here)
Angle of Mobilized Friction: 40 Degree --> 0.698131700797601 Radian (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

F_s = tan((Φ_i*pi)/180)/tan((φ_m*pi)/180) --> tan((1.44635435112743*pi)/180)/tan((0.698131700797601*pi)/180)

Evaluating ... ...

F_s = 2.07208762913669

STEP 3: Convert Result to Output's Unit

2.07208762913669 --> No Conversion Required

FINAL ANSWER

2.07208762913669 ≈ 2.072088 <-- Factor of Safety in Soil Mechanics

(Calculation completed in 00.020 seconds)

You are here -

Home » Engineering » Civil » Geotechnical Engineering » Slope Stability Analysis using Culman's Method » Factor of Safety given Angle of Mobilized Friction

Credits

Created by Suraj Kumar

Birsa Institute of Technology (BIT), Sindri

Suraj Kumar has created this Calculator and 2100+ more calculators!

Verified by Ishita Goyal

Meerut Institute of Engineering and Technology (MIET), Meerut

Ishita Goyal has verified this Calculator and 2600+ more calculators!

< Slope Stability Analysis using Culman's Method Calculators

Height of Wedge of Soil given Angle of Inclination and Slope angle

LaTeX Go Height of Wedge = (Height from Toe of Wedge to Top of Wedge*sin(((Angle of Inclination in Soil Mechanics-Slope Angle)*pi)/180))/sin((Angle of Inclination in Soil Mechanics*pi)/180)

Height of Wedge of Soil given Weight of Wedge

LaTeX Go Height of Wedge = Weight of Wedge in Kilonewton/((Length of Slip Plane*Unit Weight of Soil)/2)

Mobilized Cohesion given Cohesive Force along Slip Plane

LaTeX Go Mobilized Cohesion in Soil Mechanics = Cohesive Force in KN/Length of Slip Plane

Cohesive Force along Slip Plane

LaTeX Go Cohesive Force in KN = Mobilized Cohesion in Soil Mechanics*Length of Slip Plane

Factor of Safety given Angle of Mobilized Friction Formula

LaTeX Go

Factor of Safety in Soil Mechanics = tan((Angle of Internal Friction of Soil*pi)/180)/tan((Angle of Mobilized Friction*pi)/180)
F_s = tan((Φ_i*pi)/180)/tan((φ_m*pi)/180)

What is Factor of Safety?

It is defined as the ratio between the strength of the material and the maximum stress in the part. What it tells us basically is that in a specific area of the model, the stress is higher than the strength the material can bear.

How to Calculate Factor of Safety given Angle of Mobilized Friction?

Factor of Safety given Angle of Mobilized Friction calculator uses Factor of Safety in Soil Mechanics = tan((Angle of Internal Friction of Soil*pi)/180)/tan((Angle of Mobilized Friction*pi)/180) to calculate the Factor of Safety in Soil Mechanics, Factor of Safety given Angle of Mobilized Friction is defined as the value of factor of safety when we have prior information of other parameters used. Factor of Safety in Soil Mechanics is denoted by F_s symbol.

How to calculate Factor of Safety given Angle of Mobilized Friction using this online calculator? To use this online calculator for Factor of Safety given Angle of Mobilized Friction, enter Angle of Internal Friction of Soil (Φ_i) & Angle of Mobilized Friction (φ_m) and hit the calculate button. Here is how the Factor of Safety given Angle of Mobilized Friction calculation can be explained with given input values -> 2.072088 = tan((1.44635435112743*pi)/180)/tan((0.698131700797601*pi)/180).

FAQ

What is Factor of Safety given Angle of Mobilized Friction?

Factor of Safety given Angle of Mobilized Friction is defined as the value of factor of safety when we have prior information of other parameters used and is represented as F_s = tan((Φ_i*pi)/180)/tan((φ_m*pi)/180) or Factor of Safety in Soil Mechanics = tan((Angle of Internal Friction of Soil*pi)/180)/tan((Angle of Mobilized Friction*pi)/180). Angle of Internal Friction of Soil is is a measure of the shear strength of soil due to friction & Angle of Mobilized Friction is the slope angle at which an object starts sliding due to applied force.

How to calculate Factor of Safety given Angle of Mobilized Friction?

Factor of Safety given Angle of Mobilized Friction is defined as the value of factor of safety when we have prior information of other parameters used is calculated using Factor of Safety in Soil Mechanics = tan((Angle of Internal Friction of Soil*pi)/180)/tan((Angle of Mobilized Friction*pi)/180). To calculate Factor of Safety given Angle of Mobilized Friction, you need Angle of Internal Friction of Soil (Φ_i) & Angle of Mobilized Friction (φ_m). With our tool, you need to enter the respective value for Angle of Internal Friction of Soil & Angle of Mobilized Friction and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

How many ways are there to calculate Factor of Safety in Soil Mechanics?

In this formula, Factor of Safety in Soil Mechanics uses Angle of Internal Friction of Soil & Angle of Mobilized Friction. We can use 1 other way(s) to calculate the same, which is/are as follows -

Factor of Safety in Soil Mechanics = ((Cohesion in Soil*Length of Slip Plane)/(Weight of Wedge in Newton*sin((Critical Slope Angle in Soil Mechanics*pi)/180)))+(tan((Angle of Internal Friction*pi)/180)/tan((Critical Slope Angle in Soil Mechanics*pi)/180))

Home

FREE PDFs

🔍 Search