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Length of Slip Arc is the length of the arc formed by slip circle. Check FAQs
L'=(MRr)-(ΣNtan((Φi)))cu
L' - Length of Slip Arc?MR - Resisting Moment?r - Radius of Slip Circle?ΣN - Sum of all Normal Component?Φi - Angle of Internal Friction of Soil?cu - Unit Cohesion?

Total Length of Slip Circle given Resisting Moment Example

With values
With units
Only example

Here is how the Total Length of Slip Circle given Resisting Moment equation looks like with Values.

Here is how the Total Length of Slip Circle given Resisting Moment equation looks like with Units.

Here is how the Total Length of Slip Circle given Resisting Moment equation looks like.

3.5032Edit=(45.05Edit0.6Edit)-(5.01Edittan((82.87Edit)))10Edit
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Total Length of Slip Circle given Resisting Moment Solution

Follow our step by step solution on how to calculate Total Length of Slip Circle given Resisting Moment?

FIRST Step Consider the formula
L'=(MRr)-(ΣNtan((Φi)))cu
Next Step Substitute values of Variables
L'=(45.05kN*m0.6m)-(5.01Ntan((82.87°)))10Pa
Next Step Convert Units
L'=(45.05kN*m0.6m)-(5.01Ntan((1.4464rad)))10Pa
Next Step Prepare to Evaluate
L'=(45.050.6)-(5.01tan((1.4464)))10
Next Step Evaluate
L'=3.50316390388665m
LAST Step Rounding Answer
L'=3.5032m

Total Length of Slip Circle given Resisting Moment Formula Elements

Variables
Functions
Length of Slip Arc
Length of Slip Arc is the length of the arc formed by slip circle.
Symbol: L'
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Resisting Moment
Resisting Moment is the moment (or torque) that counteracts the applied moment or load that tends to cause rotation or failure in a soil mass or structure.
Symbol: MR
Measurement: Moment of ForceUnit: kN*m
Note: Value should be greater than 0.
Radius of Slip Circle
Radius of Slip Circle is the distance between center and one point on slip circle.
Symbol: r
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Sum of all Normal Component
Sum of all Normal Component means total normal force on slip circle.
Symbol: ΣN
Measurement: ForceUnit: N
Note: Value should be greater than 0.
Angle of Internal Friction of Soil
Angle of Internal Friction of Soil is a measure of the shear strength of soil due to friction.
Symbol: Φi
Measurement: AngleUnit: °
Note: Value should be between -180 to 180.
Unit Cohesion
Unit Cohesion is the shear strength property of a soil that is solely attributed to cohesive forces between soil particles.
Symbol: cu
Measurement: PressureUnit: Pa
Note: Value should be greater than 0.
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 Length of Slip Arc

​Go Length of Slip Circle given Sum of Tangential Component
L'=(fsFt)-(ΣNtan(φπ180))cu
​Go Length of Slip Arc
L'=2πdradialδ(180π)360

Other formulas in The Swedish Slip Circle Method category

​Go Radial Distance from Center of Rotation given Length of Slip Arc
dradial=360L'2πδ(180π)
​Go Arc Angle given Length of Slip Arc
δ=360L'2πdradial(π180)
​Go Moment of Resistance given Factor of Safety
Mr'=fsMD
​Go Driving Moment given Factor of Safety
MD=MRfs

How to Evaluate Total Length of Slip Circle given Resisting Moment?

Total Length of Slip Circle given Resisting Moment evaluator uses Length of Slip Arc = ((Resisting Moment/Radius of Slip Circle)-(Sum of all Normal Component*tan((Angle of Internal Friction of Soil))))/Unit Cohesion to evaluate the Length of Slip Arc, The Total Length of Slip Circle given Resisting Moment formula is defined as the measure of the value of perimeter of the circular failure surface assumed in slope stability analysis. This circle represents the potential slip surface along which a slope might fail under the influence of external forces (such as gravity, water pressure, or seismic forces). Length of Slip Arc is denoted by L' symbol.

How to evaluate Total Length of Slip Circle given Resisting Moment using this online evaluator? To use this online evaluator for Total Length of Slip Circle given Resisting Moment, enter Resisting Moment (MR), Radius of Slip Circle (r), Sum of all Normal Component (ΣN), Angle of Internal Friction of Soil i) & Unit Cohesion (cu) and hit the calculate button.

FAQs on Total Length of Slip Circle given Resisting Moment

What is the formula to find Total Length of Slip Circle given Resisting Moment?
The formula of Total Length of Slip Circle given Resisting Moment is expressed as Length of Slip Arc = ((Resisting Moment/Radius of Slip Circle)-(Sum of all Normal Component*tan((Angle of Internal Friction of Soil))))/Unit Cohesion. Here is an example- 3.503164 = ((45050/0.6)-(5.01*tan((1.44635435112743))))/10.
How to calculate Total Length of Slip Circle given Resisting Moment?
With Resisting Moment (MR), Radius of Slip Circle (r), Sum of all Normal Component (ΣN), Angle of Internal Friction of Soil i) & Unit Cohesion (cu) we can find Total Length of Slip Circle given Resisting Moment using the formula - Length of Slip Arc = ((Resisting Moment/Radius of Slip Circle)-(Sum of all Normal Component*tan((Angle of Internal Friction of Soil))))/Unit Cohesion. This formula also uses Tangent (tan) function(s).
What are the other ways to Calculate Length of Slip Arc?
Here are the different ways to Calculate Length of Slip Arc-
  • Length of Slip Arc=((Factor of Safety*Sum of All Tangential Component in Soil Mechanics)-(Sum of all Normal Component*tan((Angle of Internal Friction*pi)/180)))/Unit CohesionOpenImg
  • Length of Slip Arc=(2*pi*Radial Distance*Arc Angle*(180/pi))/360OpenImg
Can the Total Length of Slip Circle given Resisting Moment be negative?
No, the Total Length of Slip Circle given Resisting Moment, measured in Length cannot be negative.
Which unit is used to measure Total Length of Slip Circle given Resisting Moment?
Total Length of Slip Circle given Resisting Moment is usually measured using the Meter[m] for Length. Millimeter[m], Kilometer[m], Decimeter[m] are the few other units in which Total Length of Slip Circle given Resisting Moment can be measured.
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