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Factor of Safety expresses how much stronger a system is than it needs to be for an intended load. Check FAQs
fs=(c'l)+(P-(ul))tan(φ'π180)S
fs - Factor of Safety?c' - Effective Cohesion?l - Length of Arc?P - Total Normal Force?u - Upward Force?φ' - Effective Angle of Internal Friction?S - Shear Force on Slice in Soil Mechanics?π - Archimedes' constant?

Factor of Safety given Shear Force in Bishop's Analysis Example

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With units
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Here is how the Factor of Safety given Shear Force in Bishop's Analysis equation looks like with Values.

Here is how the Factor of Safety given Shear Force in Bishop's Analysis equation looks like with Units.

Here is how the Factor of Safety given Shear Force in Bishop's Analysis equation looks like.

3.3932Edit=(4Edit9.42Edit)+(150Edit-(20Edit9.42Edit))tan(9.99Edit3.1416180)11.07Edit
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Factor of Safety given Shear Force in Bishop's Analysis Solution

Follow our step by step solution on how to calculate Factor of Safety given Shear Force in Bishop's Analysis?

FIRST Step Consider the formula
fs=(c'l)+(P-(ul))tan(φ'π180)S
Next Step Substitute values of Variables
fs=(4Pa9.42m)+(150N-(20Pa9.42m))tan(9.99°π180)11.07N
Next Step Substitute values of Constants
fs=(4Pa9.42m)+(150N-(20Pa9.42m))tan(9.99°3.1416180)11.07N
Next Step Convert Units
fs=(4Pa9.42m)+(150N-(20Pa9.42m))tan(0.1744rad3.1416180)11.07N
Next Step Prepare to Evaluate
fs=(49.42)+(150-(209.42))tan(0.17443.1416180)11.07
Next Step Evaluate
fs=3.39323789730528
LAST Step Rounding Answer
fs=3.3932

Factor of Safety given Shear Force in Bishop's Analysis Formula Elements

Variables
Constants
Functions
Factor of Safety
Factor of Safety expresses how much stronger a system is than it needs to be for an intended load.
Symbol: fs
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.
Effective Cohesion
Effective Cohesion is the consistency of soft to hard defined on the basis of the standard CSN 73 1001 for different states of consistency and degree of saturation.
Symbol: c'
Measurement: PressureUnit: Pa
Note: Value should be greater than 0.
Length of Arc
Length of Arc of the slice taken into consideration.
Symbol: l
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Total Normal Force
Total normal force acting at the base of the slice.
Symbol: P
Measurement: ForceUnit: N
Note: Value should be greater than 0.
Upward Force
Upward Force due to seepage water.
Symbol: u
Measurement: PressureUnit: Pa
Note: Value should be greater than 0.
Effective Angle of Internal Friction
Effective Angle of Internal Friction is a measure of the shear strength of soils due to friction.
Symbol: φ'
Measurement: AngleUnit: °
Note: Value should be greater than 0.
Shear Force on Slice in Soil Mechanics
Shear Force on Slice in Soil Mechanics acting along the base of slice.
Symbol: S
Measurement: ForceUnit: N
Note: Value should be greater than 0.
Archimedes' constant
Archimedes' constant is a mathematical constant that represents the ratio of the circumference of a circle to its diameter.
Symbol: π
Value: 3.14159265358979323846264338327950288
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.
Syntax: tan(Angle)

Other Formulas to find Factor of Safety

​Go Factor of Safety given by Bishop
fs=m-(nru)

Other formulas in Slope Stability Analysis using Bishops Method category

​Go Normal Stress on Slice
σnormal=Pl
​Go Length of Arc of Slice
l=Pσnormal

How to Evaluate Factor of Safety given Shear Force in Bishop's Analysis?

Factor of Safety given Shear Force in Bishop's Analysis evaluator uses Factor of Safety = ((Effective Cohesion*Length of Arc)+(Total Normal Force-(Upward Force*Length of Arc))*tan((Effective Angle of Internal Friction*pi)/180))/Shear Force on Slice in Soil Mechanics to evaluate the Factor of Safety, The Factor of Safety given Shear Force in Bishop's Analysis is defined as the value of factor of safety when we have prior information of other parameters used. Factor of Safety is denoted by fs symbol.

How to evaluate Factor of Safety given Shear Force in Bishop's Analysis using this online evaluator? To use this online evaluator for Factor of Safety given Shear Force in Bishop's Analysis, enter Effective Cohesion (c'), Length of Arc (l), Total Normal Force (P), Upward Force (u), Effective Angle of Internal Friction (φ') & Shear Force on Slice in Soil Mechanics (S) and hit the calculate button.

FAQs on Factor of Safety given Shear Force in Bishop's Analysis

What is the formula to find Factor of Safety given Shear Force in Bishop's Analysis?
The formula of Factor of Safety given Shear Force in Bishop's Analysis is expressed as Factor of Safety = ((Effective Cohesion*Length of Arc)+(Total Normal Force-(Upward Force*Length of Arc))*tan((Effective Angle of Internal Friction*pi)/180))/Shear Force on Slice in Soil Mechanics. Here is an example- 7.408904 = ((4*9.42)+(150-(20*9.42))*tan((0.174358392274201*pi)/180))/11.07.
How to calculate Factor of Safety given Shear Force in Bishop's Analysis?
With Effective Cohesion (c'), Length of Arc (l), Total Normal Force (P), Upward Force (u), Effective Angle of Internal Friction (φ') & Shear Force on Slice in Soil Mechanics (S) we can find Factor of Safety given Shear Force in Bishop's Analysis using the formula - Factor of Safety = ((Effective Cohesion*Length of Arc)+(Total Normal Force-(Upward Force*Length of Arc))*tan((Effective Angle of Internal Friction*pi)/180))/Shear Force on Slice in Soil Mechanics. This formula also uses Archimedes' constant and Tangent function(s).
What are the other ways to Calculate Factor of Safety?
Here are the different ways to Calculate Factor of Safety-
  • Factor of Safety=Stability Coefficient m in Soil Mechanics-(Stability Coefficient n*Pore Pressure Ratio)OpenImg
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