FormulaDen.com

Physics Chemistry Math Chemical Engineering Civil Electrical Electronics Electronics and Instrumentation Materials Science Mechanical Production Engineering Financial Health

Coefficient of Active Pressure given Total Thrust from Soil for Level Surface Formula

GoCoefficient of Active Pressure given Angle of Internal Friction of Soil Formula

Fx Copy

LaTeX Copy

Coefficient of Active Pressure is the ratio of horizontal and vertical principal effective stresses when a retaining wall moves away (by a small amount) from the retained soil. Check FAQs

K A = \frac{2 \cdot P}{γ \cdot {(h w)}^{2}}

K_A - Coefficient of Active Pressure?P - Total Thrust of Soil?γ - Unit Weight of Soil?h_w - Total Height of Wall?

Coefficient of Active Pressure given Total Thrust from Soil for Level Surface Example

With values

With units

Only example

Here is how the Coefficient of Active Pressure given Total Thrust from Soil for Level Surface equation looks like with Values.

Here is how the Coefficient of Active Pressure given Total Thrust from Soil for Level Surface equation looks like with Units.

Here is how the Coefficient of Active Pressure given Total Thrust from Soil for Level Surface equation looks like.

0.1156 = \frac{2 \cdot 10}{18 \cdot {(3.1)}^{2}}

0.1156 = \frac{2 \cdot 10kN/m}{18kN/m³ \cdot {(3.1m)}^{2}}

0.1156 = \frac{2 \cdot 10}{18 \cdot {(3.1)}^{2}}

Tip: Use pencil ( Pencil

) icon above to edit Input Values and Units.

Calculate

Recalculate

Solution

Copy

Reset

You are here -

Home » Category

Engineering » Category

Civil » Category

Geotechnical Engineering » fx Coefficient of Active Pressure given Total Thrust from Soil for Level Surface

Coefficient of Active Pressure given Total Thrust from Soil for Level Surface Solution

Follow our step by step solution on how to calculate Coefficient of Active Pressure given Total Thrust from Soil for Level Surface?

FIRST Step Consider the formula

K A = \frac{2 \cdot P}{γ \cdot {(h w)}^{2}}

Next Step Substitute values of Variables

∴

K A = \frac{2 \cdot 10kN/m}{18kN/m³ \cdot {(3.1m)}^{2}}

Next Step Convert Units

∴

K A = \frac{2 \cdot 10000N/m}{18000N/m³ \cdot {(3.1m)}^{2}}

Next Step Prepare to Evaluate

∴

K A = \frac{2 \cdot 10000}{18000 \cdot {(3.1)}^{2}}

Next Step Evaluate

∴

K A = 0.115620302925194

LAST Step Rounding Answer

∴

K A = 0.1156

Coefficient of Active Pressure given Total Thrust from Soil for Level Surface Formula Elements

Variables

Coefficient of Active Pressure

Coefficient of Active Pressure is the ratio of horizontal and vertical principal effective stresses when a retaining wall moves away (by a small amount) from the retained soil.

Symbol: K_A

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Coefficient of Active Pressure

Total Thrust of Soil

Total Thrust of Soil is the force acting on unit length of soil.

Symbol: P

Measurement: Surface TensionUnit: kN/m

Note: Value should be greater than 0.

Formulas to find Total Thrust of Soil

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

Total Height of Wall

Total height of wall which is under the consideration.

Symbol: h_w

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Total Height of Wall

Other Formulas to find Coefficient of Active Pressure

Go Coefficient of Active Pressure given Angle of Internal Friction of Soil

K A = {(\tan ((45 \cdot \frac{π}{180}) - (\frac{φ}{2})))}^{2}

Other formulas in Lateral Pressure for Cohesive and Non Cohesive Soil category

Go Total Thrust from Soil that are Free to Move

P = (0.5 \cdot γ \cdot {(h w)}^{2} \cdot \cos (i)) \cdot (\frac{\cos (i) - \sqrt{{(\cos (i))}^{2} - {(\cos (φ))}^{2}}}{\cos (i) + \sqrt{{(\cos (i))}^{2} - {(\cos (φ))}^{2}}})

Go Unit Weight of Soil given Total Thrust from Soil that are Free to Move

γ = \frac{2 \cdot P}{{(h w)}^{2} \cdot \cos (i)} \cdot (\frac{\cos (i) - \sqrt{{(\cos (i))}^{2} - {(\cos (φ))}^{2}}}{\cos (i) + \sqrt{{(\cos (i))}^{2} - {(\cos (φ))}^{2}}})

Go Total Height of Wall given Total Thrust from Soil that are Free to move

h w = \sqrt{\frac{2 \cdot P}{γ \cdot \cos (i) \cdot (\frac{\cos (i) - \sqrt{{(\cos (i))}^{2} - {(\cos (φ))}^{2}}}{\cos (i) + \sqrt{{(\cos (i))}^{2} - {(\cos (φ))}^{2}}})}}

Go Total Thrust from Soil when Surface behind Wall is Level

P = (0.5 \cdot γ \cdot {(h w)}^{2} \cdot K A)

How to Evaluate Coefficient of Active Pressure given Total Thrust from Soil for Level Surface?

Coefficient of Active Pressure given Total Thrust from Soil for Level Surface evaluator uses Coefficient of Active Pressure = (2*Total Thrust of Soil)/(Unit Weight of Soil*(Total Height of Wall)^2) to evaluate the Coefficient of Active Pressure, The Coefficient of Active Pressure given Total Thrust from Soil for Level Surface is defined as the ratio of horizontal and vertical principal effective stresses when retaining wall moves away (by small amount) from retained soil. Coefficient of Active Pressure is denoted by K_A symbol.

How to evaluate Coefficient of Active Pressure given Total Thrust from Soil for Level Surface using this online evaluator? To use this online evaluator for Coefficient of Active Pressure given Total Thrust from Soil for Level Surface, enter Total Thrust of Soil (P), Unit Weight of Soil (γ) & Total Height of Wall (h_w) and hit the calculate button.

FAQs on Coefficient of Active Pressure given Total Thrust from Soil for Level Surface

What is the formula to find Coefficient of Active Pressure given Total Thrust from Soil for Level Surface?

The formula of Coefficient of Active Pressure given Total Thrust from Soil for Level Surface is expressed as Coefficient of Active Pressure = (2*Total Thrust of Soil)/(Unit Weight of Soil*(Total Height of Wall)^2). Here is an example- 0.11562 = (2*10000)/(18000*(3.1)^2).

How to calculate Coefficient of Active Pressure given Total Thrust from Soil for Level Surface?

With Total Thrust of Soil (P), Unit Weight of Soil (γ) & Total Height of Wall (h_w) we can find Coefficient of Active Pressure given Total Thrust from Soil for Level Surface using the formula - Coefficient of Active Pressure = (2*Total Thrust of Soil)/(Unit Weight of Soil*(Total Height of Wall)^2).

What are the other ways to Calculate Coefficient of Active Pressure?

Here are the different ways to Calculate Coefficient of Active Pressure-

Coefficient of Active Pressure=(tan((45*pi/180)-(Angle of Internal Friction/2)))^2

Let Others Know

✖

Facebook

Twitter

Copied!

Coefficient of Active Pressure given Total Thrust from Soil for Level Surface Formula

​GoCoefficient of Active Pressure given Angle of Internal Friction of Soil Formula

Coefficient of Active Pressure given Total Thrust from Soil for Level Surface Example

Coefficient of Active Pressure given Total Thrust from Soil for Level Surface Solution

Coefficient of Active Pressure given Total Thrust from Soil for Level Surface Formula Elements

Other Formulas to find Coefficient of Active Pressure

Other formulas in Lateral Pressure for Cohesive and Non Cohesive Soil category

How to Evaluate Coefficient of Active Pressure given Total Thrust from Soil for Level Surface?

FAQs on Coefficient of Active Pressure given Total Thrust from Soil for Level Surface

Variable Name

GoCoefficient of Active Pressure given Angle of Internal Friction of Soil Formula