Width of Footing given Net Ultimate Bearing Capacity for Local Shear Failure Formula

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Width of Footing is the shorter dimension of the footing. Check FAQs
B=qnu-(((23)CNc)+(σs(Nq-1)))0.5γNγ
B - Width of Footing?qnu - Net Ultimate BC?C - Cohesion in Soil as Kilopascal?Nc - Bearing Capacity Factor dependent on Cohesion?σs - Effective Surcharge in KiloPascal?Nq - Bearing Capacity Factor dependent on Surcharge?γ - Unit Weight of Soil?Nγ - Bearing Capacity Factor dependent on Unit Weight?

Width of Footing given Net Ultimate Bearing Capacity for Local Shear Failure Example

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Here is how the Width of Footing given Net Ultimate Bearing Capacity for Local Shear Failure equation looks like with Values.

Here is how the Width of Footing given Net Ultimate Bearing Capacity for Local Shear Failure equation looks like with Units.

Here is how the Width of Footing given Net Ultimate Bearing Capacity for Local Shear Failure equation looks like.

2.2931Edit=87Edit-(((23)1.27Edit9Edit)+(45.9Edit(2.01Edit-1)))0.518Edit1.6Edit
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Width of Footing given Net Ultimate Bearing Capacity for Local Shear Failure Solution

Follow our step by step solution on how to calculate Width of Footing given Net Ultimate Bearing Capacity for Local Shear Failure?

FIRST Step Consider the formula
B=qnu-(((23)CNc)+(σs(Nq-1)))0.5γNγ
Next Step Substitute values of Variables
B=87kN/m²-(((23)1.27kPa9)+(45.9kN/m²(2.01-1)))0.518kN/m³1.6
Next Step Convert Units
B=87000Pa-(((23)1270Pa9)+(45900Pa(2.01-1)))0.518000N/m³1.6
Next Step Prepare to Evaluate
B=87000-(((23)12709)+(45900(2.01-1)))0.5180001.6
Next Step Evaluate
B=2.293125m
LAST Step Rounding Answer
B=2.2931m

Width of Footing given Net Ultimate Bearing Capacity for Local Shear Failure Formula Elements

Variables
Width of Footing
Width of Footing is the shorter dimension of the footing.
Symbol: B
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Net Ultimate BC
Net Ultimate BC is the minimum net pressure intensity causing shear failure.
Symbol: qnu
Measurement: PressureUnit: kN/m²
Note: Value should be greater than 0.
Cohesion in Soil as Kilopascal
Cohesion in Soil as Kilopascal 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.
Symbol: C
Measurement: PressureUnit: kPa
Note: Value should be between 0 to 50.
Bearing Capacity Factor dependent on Cohesion
Bearing Capacity Factor dependent on Cohesion is a constant whose value depends upon the cohesion of soil.
Symbol: Nc
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.
Effective Surcharge in KiloPascal
Effective Surcharge in KiloPascal also called as surcharge load refers to the vertical pressure or any load that acts over the ground surface additional to basic earth pressure.
Symbol: σs
Measurement: PressureUnit: kN/m²
Note: Value should be greater than 0.
Bearing Capacity Factor dependent on Surcharge
Bearing Capacity Factor dependent on Surcharge is a constant whose value depends upon surcharge.
Symbol: Nq
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.
Unit Weight of Soil
Unit Weight of Soil mass is the ratio of the total weight of soil to the total volume of soil.
Symbol: γ
Measurement: Specific WeightUnit: kN/m³
Note: Value should be greater than 0.
Bearing Capacity Factor dependent on Unit Weight
Bearing Capacity Factor dependent on Unit Weight is a constant whose value depends upon unit weight of soil.
Symbol: Nγ
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.

Other formulas in Local Shear Failure category

​Go Net Ultimate Bearing Capacity for Local Shear Failure
qnu=((23)CNc)+(σs(Nq-1))+(0.5BγNγ)
​Go Cohesion of Soil given Net Ultimate Bearing Capacity for Local Shear Failure
C=qnu-((σs(Nq-1))+(0.5BγNγ))(23)Nc

How to Evaluate Width of Footing given Net Ultimate Bearing Capacity for Local Shear Failure?

Width of Footing given Net Ultimate Bearing Capacity for Local Shear Failure evaluator uses Width of Footing = (Net Ultimate BC-(((2/3)*Cohesion in Soil as Kilopascal*Bearing Capacity Factor dependent on Cohesion)+(Effective Surcharge in KiloPascal*(Bearing Capacity Factor dependent on Surcharge-1))))/(0.5*Unit Weight of Soil*Bearing Capacity Factor dependent on Unit Weight) to evaluate the Width of Footing, The Width of Footing given Net Ultimate Bearing Capacity for Local Shear Failure is defined as the value of width of footing when we have prior information of other parameters used. Width of Footing is denoted by B symbol.

How to evaluate Width of Footing given Net Ultimate Bearing Capacity for Local Shear Failure using this online evaluator? To use this online evaluator for Width of Footing given Net Ultimate Bearing Capacity for Local Shear Failure, enter Net Ultimate BC (qnu), Cohesion in Soil as Kilopascal (C), Bearing Capacity Factor dependent on Cohesion (Nc), Effective Surcharge in KiloPascal s), Bearing Capacity Factor dependent on Surcharge (Nq), Unit Weight of Soil (γ) & Bearing Capacity Factor dependent on Unit Weight (Nγ) and hit the calculate button.

FAQs on Width of Footing given Net Ultimate Bearing Capacity for Local Shear Failure

What is the formula to find Width of Footing given Net Ultimate Bearing Capacity for Local Shear Failure?
The formula of Width of Footing given Net Ultimate Bearing Capacity for Local Shear Failure is expressed as Width of Footing = (Net Ultimate BC-(((2/3)*Cohesion in Soil as Kilopascal*Bearing Capacity Factor dependent on Cohesion)+(Effective Surcharge in KiloPascal*(Bearing Capacity Factor dependent on Surcharge-1))))/(0.5*Unit Weight of Soil*Bearing Capacity Factor dependent on Unit Weight). Here is an example- 2.325 = (87000-(((2/3)*1270*9)+(45900*(2.01-1))))/(0.5*18000*1.6).
How to calculate Width of Footing given Net Ultimate Bearing Capacity for Local Shear Failure?
With Net Ultimate BC (qnu), Cohesion in Soil as Kilopascal (C), Bearing Capacity Factor dependent on Cohesion (Nc), Effective Surcharge in KiloPascal s), Bearing Capacity Factor dependent on Surcharge (Nq), Unit Weight of Soil (γ) & Bearing Capacity Factor dependent on Unit Weight (Nγ) we can find Width of Footing given Net Ultimate Bearing Capacity for Local Shear Failure using the formula - Width of Footing = (Net Ultimate BC-(((2/3)*Cohesion in Soil as Kilopascal*Bearing Capacity Factor dependent on Cohesion)+(Effective Surcharge in KiloPascal*(Bearing Capacity Factor dependent on Surcharge-1))))/(0.5*Unit Weight of Soil*Bearing Capacity Factor dependent on Unit Weight).
Can the Width of Footing given Net Ultimate Bearing Capacity for Local Shear Failure be negative?
No, the Width of Footing given Net Ultimate Bearing Capacity for Local Shear Failure, measured in Length cannot be negative.
Which unit is used to measure Width of Footing given Net Ultimate Bearing Capacity for Local Shear Failure?
Width of Footing given Net Ultimate Bearing Capacity for Local Shear Failure is usually measured using the Meter[m] for Length. Millimeter[m], Kilometer[m], Decimeter[m] are the few other units in which Width of Footing given Net Ultimate Bearing Capacity for Local Shear Failure can be measured.
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