Cohesion given Submerged Unit Weight Solution

STEP 0: Pre-Calculation Summary
Formula Used
Cohesion of Soil = (Factor of Safety-(tan((Angle of Internal Friction*pi)/180)/tan((Angle of Inclination to Horizontal in Soil))))*(Submerged Unit Weight*Depth of Prism*cos((Angle of Inclination to Horizontal in Soil))*sin((Angle of Inclination to Horizontal in Soil)))
Cs = (fs-(tan((φ*pi)/180)/tan((i))))*(γ'*z*cos((i))*sin((i)))
This formula uses 1 Constants, 3 Functions, 6 Variables
Constants Used
pi - Archimedes' constant Value Taken As 3.14159265358979323846264338327950288
Functions Used
sin - Sine is a trigonometric function that describes the ratio of the length of the opposite side of a right triangle to the length of the hypotenuse., sin(Angle)
cos - Cosine of an angle is the ratio of the side adjacent to the angle to the hypotenuse of the triangle., cos(Angle)
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
Cohesion of Soil - (Measured in Kilopascal) - Cohesion of Soil is the ability of like particles within soil to hold onto each other. It is the shear strength or force that binds together like particles in the structure of a soil.
Factor of Safety - Factor of Safety expresses how much stronger a system is than it needs to be for an intended load.
Angle of Internal Friction - (Measured in Radian) - Angle of Internal Friction is the angle measured between the normal force and resultant force .
Angle of Inclination to Horizontal in Soil - (Measured in Radian) - Angle of Inclination to Horizontal in Soil is defined as the angle measured from the horizontal surface of the wall or any object.
Submerged Unit Weight - (Measured in Newton per Cubic Meter) - Submerged Unit Weight is the unit weight of weight of soil as observed underwater in a saturated condition of course.
Depth of Prism - (Measured in Meter) - Depth of Prism is the length of prism along z direction.
STEP 1: Convert Input(s) to Base Unit
Factor of Safety: 2.8 --> No Conversion Required
Angle of Internal Friction: 46 Degree --> 0.802851455917241 Radian (Check conversion ​here)
Angle of Inclination to Horizontal in Soil: 64 Degree --> 1.11701072127616 Radian (Check conversion ​here)
Submerged Unit Weight: 5.01 Newton per Cubic Meter --> 5.01 Newton per Cubic Meter No Conversion Required
Depth of Prism: 3 Meter --> 3 Meter No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Cs = (fs-(tan((φ*pi)/180)/tan((i))))*(γ'*z*cos((i))*sin((i))) --> (2.8-(tan((0.802851455917241*pi)/180)/tan((1.11701072127616))))*(5.01*3*cos((1.11701072127616))*sin((1.11701072127616)))
Evaluating ... ...
Cs = 16.540847553393
STEP 3: Convert Result to Output's Unit
16540.847553393 Pascal -->16.540847553393 Kilopascal (Check conversion ​here)
FINAL ANSWER
16.540847553393 16.54085 Kilopascal <-- Cohesion of Soil
(Calculation completed in 00.004 seconds)

Credits

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Created by Suraj Kumar
Birsa Institute of Technology (BIT), Sindri
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Meerut Institute of Engineering and Technology (MIET), Meerut
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Stability Analysis of Submerged Slopes Calculators

Shear Stress Component given Submerged Unit Weight
​ LaTeX ​ Go Shear Stress for Submerged Slopes = (Submerged Unit Weight*Depth of Prism*cos((Angle of Inclination to Horizontal in Soil))*sin((Angle of Inclination to Horizontal in Soil)))
Submerged Unit Weight given Normal Stress Component
​ LaTeX ​ Go Submerged Unit Weight = Normal Stress/(Depth of Prism*(cos((Angle of Inclination to Horizontal in Soil)))^2)
Depth of Prism given Submerged Unit Weight
​ LaTeX ​ Go Depth of Prism = Normal Stress/(Submerged Unit Weight*(cos((Angle of Inclination to Horizontal in Soil)))^2)
Normal Stress Component given Submerged Unit Weight
​ LaTeX ​ Go Normal Stress = Submerged Unit Weight*Depth of Prism*(cos((Angle of Inclination to Horizontal in Soil)))^2

Cohesion given Submerged Unit Weight Formula

​LaTeX ​Go
Cohesion of Soil = (Factor of Safety-(tan((Angle of Internal Friction*pi)/180)/tan((Angle of Inclination to Horizontal in Soil))))*(Submerged Unit Weight*Depth of Prism*cos((Angle of Inclination to Horizontal in Soil))*sin((Angle of Inclination to Horizontal in Soil)))
Cs = (fs-(tan((φ*pi)/180)/tan((i))))*(γ'*z*cos((i))*sin((i)))

What is Cohesive Force?

The term "cohesive forces" is a generic term for the collective intermolecular forces (e.g., hydrogen bonding and van der Waals forces) responsible for the bulk property of liquids resisting separation.

How to Calculate Cohesion given Submerged Unit Weight?

Cohesion given Submerged Unit Weight calculator uses Cohesion of Soil = (Factor of Safety-(tan((Angle of Internal Friction*pi)/180)/tan((Angle of Inclination to Horizontal in Soil))))*(Submerged Unit Weight*Depth of Prism*cos((Angle of Inclination to Horizontal in Soil))*sin((Angle of Inclination to Horizontal in Soil))) to calculate the Cohesion of Soil, The Cohesion given Submerged Unit Weight is defined as a material's internal attraction resisting separation; submerged unit weight is its weight per volume when submerged in fluid. Cohesion of Soil is denoted by Cs symbol.

How to calculate Cohesion given Submerged Unit Weight using this online calculator? To use this online calculator for Cohesion given Submerged Unit Weight, enter Factor of Safety (fs), Angle of Internal Friction (φ), Angle of Inclination to Horizontal in Soil (i), Submerged Unit Weight ') & Depth of Prism (z) and hit the calculate button. Here is how the Cohesion given Submerged Unit Weight calculation can be explained with given input values -> 0.016508 = (2.8-(tan((0.802851455917241*pi)/180)/tan((1.11701072127616))))*(5.01*3*cos((1.11701072127616))*sin((1.11701072127616))).

FAQ

What is Cohesion given Submerged Unit Weight?
The Cohesion given Submerged Unit Weight is defined as a material's internal attraction resisting separation; submerged unit weight is its weight per volume when submerged in fluid and is represented as Cs = (fs-(tan((φ*pi)/180)/tan((i))))*(γ'*z*cos((i))*sin((i))) or Cohesion of Soil = (Factor of Safety-(tan((Angle of Internal Friction*pi)/180)/tan((Angle of Inclination to Horizontal in Soil))))*(Submerged Unit Weight*Depth of Prism*cos((Angle of Inclination to Horizontal in Soil))*sin((Angle of Inclination to Horizontal in Soil))). Factor of Safety expresses how much stronger a system is than it needs to be for an intended load, Angle of Internal Friction is the angle measured between the normal force and resultant force , Angle of Inclination to Horizontal in Soil is defined as the angle measured from the horizontal surface of the wall or any object, Submerged Unit Weight is the unit weight of weight of soil as observed underwater in a saturated condition of course & Depth of Prism is the length of prism along z direction.
How to calculate Cohesion given Submerged Unit Weight?
The Cohesion given Submerged Unit Weight is defined as a material's internal attraction resisting separation; submerged unit weight is its weight per volume when submerged in fluid is calculated using Cohesion of Soil = (Factor of Safety-(tan((Angle of Internal Friction*pi)/180)/tan((Angle of Inclination to Horizontal in Soil))))*(Submerged Unit Weight*Depth of Prism*cos((Angle of Inclination to Horizontal in Soil))*sin((Angle of Inclination to Horizontal in Soil))). To calculate Cohesion given Submerged Unit Weight, you need Factor of Safety (fs), Angle of Internal Friction (φ), Angle of Inclination to Horizontal in Soil (i), Submerged Unit Weight ') & Depth of Prism (z). With our tool, you need to enter the respective value for Factor of Safety, Angle of Internal Friction, Angle of Inclination to Horizontal in Soil, Submerged Unit Weight & Depth of Prism 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 Cohesion of Soil?
In this formula, Cohesion of Soil uses Factor of Safety, Angle of Internal Friction, Angle of Inclination to Horizontal in Soil, Submerged Unit Weight & Depth of Prism. We can use 1 other way(s) to calculate the same, which is/are as follows -
  • Cohesion of Soil = Critical Depth/(((sec((Angle of Inclination to Horizontal in Soil)))^2)/(Submerged Unit Weight*(tan((Angle of Inclination to Horizontal in Soil))-tan((Angle of Internal Friction)))))
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