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Unit Cohesion is the shear strength property of a soil that is solely attributed to cohesive forces between soil particles. Check FAQs
cu=(fsFt)-(ΣNtan(φπ180))L'
cu - Unit Cohesion?fs - Factor of Safety?Ft - Sum of All Tangential Component in Soil Mechanics?ΣN - Sum of all Normal Component?φ - Angle of Internal Friction?L' - Length of Slip Arc?π - Archimedes' constant?

Unit Cohesion given Sum of Tangential Component Example

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With units
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Here is how the Unit Cohesion given Sum of Tangential Component equation looks like with Values.

Here is how the Unit Cohesion given Sum of Tangential Component equation looks like with Units.

Here is how the Unit Cohesion given Sum of Tangential Component equation looks like.

10.2613Edit=(2.8Edit11Edit)-(5.01Edittan(9.93Edit3.1416180))3.0001Edit
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Unit Cohesion given Sum of Tangential Component Solution

Follow our step by step solution on how to calculate Unit Cohesion given Sum of Tangential Component?

FIRST Step Consider the formula
cu=(fsFt)-(ΣNtan(φπ180))L'
Next Step Substitute values of Variables
cu=(2.811N)-(5.01Ntan(9.93°π180))3.0001m
Next Step Substitute values of Constants
cu=(2.811N)-(5.01Ntan(9.93°3.1416180))3.0001m
Next Step Convert Units
cu=(2.811N)-(5.01Ntan(0.1733rad3.1416180))3.0001m
Next Step Prepare to Evaluate
cu=(2.811)-(5.01tan(0.17333.1416180))3.0001
Next Step Evaluate
cu=10.261273107689Pa
LAST Step Rounding Answer
cu=10.2613Pa

Unit Cohesion given Sum of Tangential Component Formula Elements

Variables
Constants
Functions
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.
Factor of Safety
Factor of Safety is a measure of the load-carrying capacity of a structure or material compared to the actual load or stress that is applied to it.
Symbol: fs
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.
Sum of All Tangential Component in Soil Mechanics
Sum of All Tangential Component in Soil Mechanics means total tangential component.
Symbol: Ft
Measurement: ForceUnit: N
Note: Value should be between 0 to 180.
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
Angle of Internal Friction is the angle measured between the normal force and resultant force.
Symbol: φ
Measurement: AngleUnit: °
Note: Value should be greater than 0.
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.
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 Unit Cohesion

​Go Unit Cohesion given Factor of Safety
cu=fsWx'L'dradial
​Go Unit Cohesion given Mobilized Shear Resistance of Soil
cu=fscm
​Go Unit Cohesion given Resisting Force from Coulomb's Equation
cu=Fr-(Ntan((φ)))ΔL

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 Unit Cohesion given Sum of Tangential Component?

Unit Cohesion given Sum of Tangential Component evaluator uses Unit Cohesion = ((Factor of Safety*Sum of All Tangential Component in Soil Mechanics)-(Sum of all Normal Component*tan((Angle of Internal Friction*pi)/180)))/Length of Slip Arc to evaluate the Unit Cohesion, The Unit Cohesion given Sum of Tangential Component formula is defined as the shear strength of cohesive soils due to molecular attraction between particles, considering sum of tangential component. Unit Cohesion is denoted by cu symbol.

How to evaluate Unit Cohesion given Sum of Tangential Component using this online evaluator? To use this online evaluator for Unit Cohesion given Sum of Tangential Component, enter Factor of Safety (fs), Sum of All Tangential Component in Soil Mechanics (Ft), Sum of all Normal Component (ΣN), Angle of Internal Friction (φ) & Length of Slip Arc (L') and hit the calculate button.

FAQs on Unit Cohesion given Sum of Tangential Component

What is the formula to find Unit Cohesion given Sum of Tangential Component?
The formula of Unit Cohesion given Sum of Tangential Component is expressed as Unit Cohesion = ((Factor of Safety*Sum of All Tangential Component in Soil Mechanics)-(Sum of all Normal Component*tan((Angle of Internal Friction*pi)/180)))/Length of Slip Arc. Here is an example- 10.26127 = ((2.8*11)-(5.01*tan((0.173311194723004*pi)/180)))/3.0001.
How to calculate Unit Cohesion given Sum of Tangential Component?
With Factor of Safety (fs), Sum of All Tangential Component in Soil Mechanics (Ft), Sum of all Normal Component (ΣN), Angle of Internal Friction (φ) & Length of Slip Arc (L') we can find Unit Cohesion given Sum of Tangential Component using the formula - Unit Cohesion = ((Factor of Safety*Sum of All Tangential Component in Soil Mechanics)-(Sum of all Normal Component*tan((Angle of Internal Friction*pi)/180)))/Length of Slip Arc. This formula also uses Archimedes' constant and Tangent (tan) function(s).
What are the other ways to Calculate Unit Cohesion?
Here are the different ways to Calculate Unit Cohesion-
  • Unit Cohesion=Factor of Safety*(Weight of Body in Newtons*Distance between LOA and COR)/(Length of Slip Arc*Radial Distance)OpenImg
  • Unit Cohesion=Factor of Safety*Mobilized Shear Resistance of SoilOpenImg
  • Unit Cohesion=(Resisting Force-(Normal Component of Force*tan((Angle of Internal Friction))))/Curve LengthOpenImg
Can the Unit Cohesion given Sum of Tangential Component be negative?
No, the Unit Cohesion given Sum of Tangential Component, measured in Pressure cannot be negative.
Which unit is used to measure Unit Cohesion given Sum of Tangential Component?
Unit Cohesion given Sum of Tangential Component is usually measured using the Pascal[Pa] for Pressure. Kilopascal[Pa], Bar[Pa], Pound Per Square Inch[Pa] are the few other units in which Unit Cohesion given Sum of Tangential Component can be measured.
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