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Correction Factor for Rectangle Formula

GoCorrection Factor for Circle and Square Formula

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Correction Factor Nq is the function of angle of internal friction Ø. Check FAQs

N q = 1 + (\frac{B}{L}) \cdot (\tan (φ))

N _q - Correction Factor Nq?B - Width of Footing?L - Length of Footing?φ - Angle of Internal Friction?

Correction Factor for Rectangle Example

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Here is how the Correction Factor for Rectangle equation looks like with Values.

Here is how the Correction Factor for Rectangle equation looks like with Units.

Here is how the Correction Factor for Rectangle equation looks like.

1.5178 = 1 + (\frac{2}{4}) \cdot (\tan (46))

1.5178 = 1 + (\frac{2m}{4m}) \cdot (\tan (46°))

1.5178 = 1 + (\frac{2}{4}) \cdot (\tan (46))

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Correction Factor for Rectangle Solution

Follow our step by step solution on how to calculate Correction Factor for Rectangle?

FIRST Step Consider the formula

N q = 1 + (\frac{B}{L}) \cdot (\tan (φ))

Next Step Substitute values of Variables

∴

N q = 1 + (\frac{2m}{4m}) \cdot (\tan (46°))

Next Step Convert Units

∴

N q = 1 + (\frac{2m}{4m}) \cdot (\tan (0.8029rad))

Next Step Prepare to Evaluate

∴

N q = 1 + (\frac{2}{4}) \cdot (\tan (0.8029))

Next Step Evaluate

∴

N q = 1.51776515689513

LAST Step Rounding Answer

∴

N q = 1.5178

Correction Factor for Rectangle Formula Elements

Variables

Functions

Correction Factor Nq

Correction Factor Nq is the function of angle of internal friction Ø.

Symbol: N _q

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Correction Factor Nq

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

Length of Footing

Length of Footing is the length of the larger dimension of the footing.

Symbol: L

Measurement: LengthUnit: m

Note: Value can be positive or negative.

Formulas to find Length of Footing

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.

Formulas to find Angle of Internal Friction

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 Correction Factor Nq

Go Correction Factor for Circle and Square

N q = 1 + \tan (φ)

Other formulas in Foundation Stability Analysis category

Go Net Bearing Capacity of Long Footing in Foundation Stability Analysis

q u = (α f \cdot C u \cdot N c) + (σ vo \cdot N q) + (β f \cdot γ \cdot B \cdot N γ)

Go Net Bearing Capacity for Undrained Loading of Cohesive Soils

q u = α f \cdot N q \cdot C u

Go Maximum Bearing Pressure for Eccentric Loading Conventional Case

q m = (\frac{C g}{b \cdot L}) \cdot (1 + (\frac{6 \cdot e load}{b}))

Go Minimum Bearing Pressure for Eccentric Loading Conventional Case

q min = (\frac{P}{b \cdot L}) \cdot (1 - (\frac{6 \cdot e load}{b}))

How to Evaluate Correction Factor for Rectangle?

Correction Factor for Rectangle evaluator uses Correction Factor Nq = 1+(Width of Footing/Length of Footing)*(tan(Angle of Internal Friction)) to evaluate the Correction Factor Nq, The Correction Factor for Rectangle formula is defined as the shape corrections for bearing-capacity factors of Shallow Foundations. Correction Factor Nq is denoted by N _q symbol.

How to evaluate Correction Factor for Rectangle using this online evaluator? To use this online evaluator for Correction Factor for Rectangle, enter Width of Footing (B), Length of Footing (L) & Angle of Internal Friction (φ) and hit the calculate button.

FAQs on Correction Factor for Rectangle

What is the formula to find Correction Factor for Rectangle?

The formula of Correction Factor for Rectangle is expressed as Correction Factor Nq = 1+(Width of Footing/Length of Footing)*(tan(Angle of Internal Friction)). Here is an example- 1.517765 = 1+(2/4)*(tan(0.802851455917241)).

How to calculate Correction Factor for Rectangle?

With Width of Footing (B), Length of Footing (L) & Angle of Internal Friction (φ) we can find Correction Factor for Rectangle using the formula - Correction Factor Nq = 1+(Width of Footing/Length of Footing)*(tan(Angle of Internal Friction)). This formula also uses Tangent (tan) function(s).

What are the other ways to Calculate Correction Factor Nq?

Here are the different ways to Calculate Correction Factor Nq-

Correction Factor Nq=1+tan(Angle of Internal Friction)

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