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Width of Strip Footing given Net Ultimate Bearing Capacity Formula

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Width of Footing is the shorter dimension of the footing. Check FAQs

B = \frac{q nu - ((C \cdot N c) + (σ s \cdot (N q - 1)))}{0.5 \cdot γ \cdot N γ}

B - Width of Footing?q_nu - Net Ultimate BC?C - Cohesion in Soil as Kilopascal?N_c - Bearing Capacity Factor dependent on Cohesion?σ_s - Effective Surcharge in KiloPascal?N_q - Bearing Capacity Factor dependent on Surcharge?γ - Unit Weight of Soil?N_γ - Bearing Capacity Factor dependent on Unit Weight?

Width of Strip Footing given Net Ultimate Bearing Capacity Example

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Here is how the Width of Strip Footing given Net Ultimate Bearing Capacity equation looks like with Values.

Here is how the Width of Strip Footing given Net Ultimate Bearing Capacity equation looks like with Units.

Here is how the Width of Strip Footing given Net Ultimate Bearing Capacity equation looks like.

2.0285 = \frac{87 - ((1.27 \cdot 9) + (45.9 \cdot (2.01 - 1)))}{0.5 \cdot 18 \cdot 1.6}

2.0285m = \frac{87kN/m² - ((1.27kPa \cdot 9) + (45.9kN/m² \cdot (2.01 - 1)))}{0.5 \cdot 18kN/m³ \cdot 1.6}

2.0285 = \frac{87 - ((1.27 \cdot 9) + (45.9 \cdot (2.01 - 1)))}{0.5 \cdot 18 \cdot 1.6}

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Width of Strip Footing given Net Ultimate Bearing Capacity Solution

Follow our step by step solution on how to calculate Width of Strip Footing given Net Ultimate Bearing Capacity?

FIRST Step Consider the formula

B = \frac{q nu - ((C \cdot N c) + (σ s \cdot (N q - 1)))}{0.5 \cdot γ \cdot N γ}

Next Step Substitute values of Variables

∴

B = \frac{87kN/m² - ((1.27kPa \cdot 9) + (45.9kN/m² \cdot (2.01 - 1)))}{0.5 \cdot 18kN/m³ \cdot 1.6}

Next Step Convert Units

∴

B = \frac{87000Pa - ((1270Pa \cdot 9) + (45900Pa \cdot (2.01 - 1)))}{0.5 \cdot 18000N/m³ \cdot 1.6}

Next Step Prepare to Evaluate

∴

B = \frac{87000 - ((1270 \cdot 9) + (45900 \cdot (2.01 - 1)))}{0.5 \cdot 18000 \cdot 1.6}

Next Step Evaluate

∴

B = 2.02854166666667m

LAST Step Rounding Answer

∴

B = 2.0285m

Width of Strip Footing given Net Ultimate Bearing Capacity 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.

Formulas to find Width of Footing

Net Ultimate BC

Net Ultimate BC is the minimum net pressure intensity causing shear failure.

Symbol: q_nu

Measurement: PressureUnit: kN/m²

Note: Value should be greater than 0.

Formulas to find Net Ultimate BC

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.

Formulas to find Cohesion in Soil as Kilopascal

Bearing Capacity Factor dependent on Cohesion

Bearing Capacity Factor dependent on Cohesion is a constant whose value depends upon the cohesion of soil.

Symbol: N_c

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Bearing Capacity Factor dependent on Cohesion

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: σ_s

Measurement: PressureUnit: kN/m²

Note: Value should be greater than 0.

Formulas to find Effective Surcharge in KiloPascal

Bearing Capacity Factor dependent on Surcharge

Bearing Capacity Factor dependent on Surcharge is a constant whose value depends upon surcharge.

Symbol: N_q

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Bearing Capacity Factor dependent on Surcharge

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.

Formulas to find Unit Weight of Soil

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: N_γ

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Bearing Capacity Factor dependent on Unit Weight

Other formulas in General Shear Failure category

Go Net Ultimate Bearing Capacity for General Shear Failure

q nu = (C \cdot N c) + (σ s \cdot (N q - 1)) + (0.5 \cdot B \cdot γ \cdot N γ)

Go Cohesion of Soil given Net Ultimate Bearing Capacity for General Shear Failure

C = \frac{q nu - ((σ s \cdot (N q - 1)) + (0.5 \cdot B \cdot γ \cdot N γ))}{N c}

How to Evaluate Width of Strip Footing given Net Ultimate Bearing Capacity?

Width of Strip Footing given Net Ultimate Bearing Capacity evaluator uses Width of Footing = (Net Ultimate BC-((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 Strip Footing given Net Ultimate Bearing Capacity 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 Strip Footing given Net Ultimate Bearing Capacity using this online evaluator? To use this online evaluator for Width of Strip Footing given Net Ultimate Bearing Capacity, enter Net Ultimate BC (q_nu), Cohesion in Soil as Kilopascal (C), Bearing Capacity Factor dependent on Cohesion (N_c), Effective Surcharge in KiloPascal (σ_s), Bearing Capacity Factor dependent on Surcharge (N_q), Unit Weight of Soil (γ) & Bearing Capacity Factor dependent on Unit Weight (N_γ) and hit the calculate button.

FAQs on Width of Strip Footing given Net Ultimate Bearing Capacity

What is the formula to find Width of Strip Footing given Net Ultimate Bearing Capacity?

The formula of Width of Strip Footing given Net Ultimate Bearing Capacity is expressed as Width of Footing = (Net Ultimate BC-((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- 2.060417 = (87000-((1270*9)+(45900*(2.01-1))))/(0.5*18000*1.6).

How to calculate Width of Strip Footing given Net Ultimate Bearing Capacity?

With Net Ultimate BC (q_nu), Cohesion in Soil as Kilopascal (C), Bearing Capacity Factor dependent on Cohesion (N_c), Effective Surcharge in KiloPascal (σ_s), Bearing Capacity Factor dependent on Surcharge (N_q), Unit Weight of Soil (γ) & Bearing Capacity Factor dependent on Unit Weight (N_γ) we can find Width of Strip Footing given Net Ultimate Bearing Capacity using the formula - Width of Footing = (Net Ultimate BC-((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 Strip Footing given Net Ultimate Bearing Capacity be negative?

No, the Width of Strip Footing given Net Ultimate Bearing Capacity, measured in Length cannot be negative.

Which unit is used to measure Width of Strip Footing given Net Ultimate Bearing Capacity?

Width of Strip Footing given Net Ultimate Bearing Capacity is usually measured using the Meter[m] for Length. Millimeter[m], Kilometer[m], Decimeter[m] are the few other units in which Width of Strip Footing given Net Ultimate Bearing Capacity can be measured.

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Width of Strip Footing given Net Ultimate Bearing Capacity Formula

Width of Strip Footing given Net Ultimate Bearing Capacity Example

Width of Strip Footing given Net Ultimate Bearing Capacity Solution

Width of Strip Footing given Net Ultimate Bearing Capacity Formula Elements

Other formulas in General Shear Failure category

How to Evaluate Width of Strip Footing given Net Ultimate Bearing Capacity?

FAQs on Width of Strip Footing given Net Ultimate Bearing Capacity

Variable Name