Average Ultimate Skin-Friction Stress in Tension on Failure Plane Formula

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Skin Friction Stress in Soil Mechanics is the average ultimate skin- friction stress in tension developed on the failure plane. Check FAQs
f ut=(Qul-Wsoil-WsπL)
f ut - Skin Friction Stress in Soil Mechanics?Qul - Ultimate Resistance?Wsoil - Weight of Soil?Ws - Shaft Weight in Soil Mechanics?L - Length of Soil Section?π - Archimedes' constant?

Average Ultimate Skin-Friction Stress in Tension on Failure Plane Example

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With units
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Here is how the Average Ultimate Skin-Friction Stress in Tension on Failure Plane equation looks like with Values.

Here is how the Average Ultimate Skin-Friction Stress in Tension on Failure Plane equation looks like with Units.

Here is how the Average Ultimate Skin-Friction Stress in Tension on Failure Plane equation looks like.

0.0735Edit=(1000Edit-4.9Edit-994.98Edit3.14160.52Edit)
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Average Ultimate Skin-Friction Stress in Tension on Failure Plane Solution

Follow our step by step solution on how to calculate Average Ultimate Skin-Friction Stress in Tension on Failure Plane?

FIRST Step Consider the formula
f ut=(Qul-Wsoil-WsπL)
Next Step Substitute values of Variables
f ut=(1000kN-4.9kN-994.98kNπ0.52m)
Next Step Substitute values of Constants
f ut=(1000kN-4.9kN-994.98kN3.14160.52m)
Next Step Convert Units
f ut=(1E+6N-4900N-994980N3.14160.52m)
Next Step Prepare to Evaluate
f ut=(1E+6-4900-9949803.14160.52)
Next Step Evaluate
f ut=73.4561275808748Pa
Next Step Convert to Output's Unit
f ut=0.0734561275808748kN/m²
LAST Step Rounding Answer
f ut=0.0735kN/m²

Average Ultimate Skin-Friction Stress in Tension on Failure Plane Formula Elements

Variables
Constants
Skin Friction Stress in Soil Mechanics
Skin Friction Stress in Soil Mechanics is the average ultimate skin- friction stress in tension developed on the failure plane.
Symbol: f ut
Measurement: PressureUnit: kN/m²
Note: Value can be positive or negative.
Ultimate Resistance
Ultimate Resistance is the amount of load applied to a component beyond which the component will fail.
Symbol: Qul
Measurement: ForceUnit: kN
Note: Value can be positive or negative.
Weight of Soil
Weight of Soil is the weight of soil contained within the failure plane.
Symbol: Wsoil
Measurement: ForceUnit: kN
Note: Value can be positive or negative.
Shaft Weight in Soil Mechanics
Shaft Weight in Soil Mechanics is the weight of the pile shaft.
Symbol: Ws
Measurement: ForceUnit: kN
Note: Value can be positive or negative.
Length of Soil Section
Length of Soil Section is the vertical or horizontal extent of soil being analyzed or considered within a specific context.
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

Other formulas in Shaft Settlement and Resistance category

​Go Shaft Resistance Stress by Empirical Procedure
fsr=N50
​Go Average Standard Penetration Resistance using Shaft Resistance Stress
N=fsr50
​Go Ultimate Resistance for Bearing Capacity Solution
Qul=(π4)((Db2)-(Ds2))(Nccu)+Ws
​Go Ultimate Resistance for Cohesive and Cohesion less Soils
Qul=πLf ut+Wsoil+Ws

How to Evaluate Average Ultimate Skin-Friction Stress in Tension on Failure Plane?

Average Ultimate Skin-Friction Stress in Tension on Failure Plane evaluator uses Skin Friction Stress in Soil Mechanics = ((Ultimate Resistance-Weight of Soil-Shaft Weight in Soil Mechanics)/(pi*Length of Soil Section)) to evaluate the Skin Friction Stress in Soil Mechanics, The Average Ultimate Skin-Friction Stress in Tension on Failure Plane is defined as a function of ultimate resistance, weight of soil contained within the failure plane and the weight of the shaft. Skin Friction Stress in Soil Mechanics is denoted by f ut symbol.

How to evaluate Average Ultimate Skin-Friction Stress in Tension on Failure Plane using this online evaluator? To use this online evaluator for Average Ultimate Skin-Friction Stress in Tension on Failure Plane, enter Ultimate Resistance (Qul), Weight of Soil (Wsoil), Shaft Weight in Soil Mechanics (Ws) & Length of Soil Section (L) and hit the calculate button.

FAQs on Average Ultimate Skin-Friction Stress in Tension on Failure Plane

What is the formula to find Average Ultimate Skin-Friction Stress in Tension on Failure Plane?
The formula of Average Ultimate Skin-Friction Stress in Tension on Failure Plane is expressed as Skin Friction Stress in Soil Mechanics = ((Ultimate Resistance-Weight of Soil-Shaft Weight in Soil Mechanics)/(pi*Length of Soil Section)). Here is an example- 7.3E-5 = ((1000000-4900-994980)/(pi*0.52)).
How to calculate Average Ultimate Skin-Friction Stress in Tension on Failure Plane?
With Ultimate Resistance (Qul), Weight of Soil (Wsoil), Shaft Weight in Soil Mechanics (Ws) & Length of Soil Section (L) we can find Average Ultimate Skin-Friction Stress in Tension on Failure Plane using the formula - Skin Friction Stress in Soil Mechanics = ((Ultimate Resistance-Weight of Soil-Shaft Weight in Soil Mechanics)/(pi*Length of Soil Section)). This formula also uses Archimedes' constant .
Can the Average Ultimate Skin-Friction Stress in Tension on Failure Plane be negative?
Yes, the Average Ultimate Skin-Friction Stress in Tension on Failure Plane, measured in Pressure can be negative.
Which unit is used to measure Average Ultimate Skin-Friction Stress in Tension on Failure Plane?
Average Ultimate Skin-Friction Stress in Tension on Failure Plane is usually measured using the Kilonewton per Square Meter[kN/m²] for Pressure. Pascal[kN/m²], Kilopascal[kN/m²], Bar[kN/m²] are the few other units in which Average Ultimate Skin-Friction Stress in Tension on Failure Plane can be measured.
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