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Unit Weight of Soil mass is the ratio of the total weight of soil to the total volume of soil. Check FAQs
γ=qfD(1+sin(φπ180)1-sin(φπ180))2
γ - Unit Weight of Soil?qf - Ultimate Bearing Capacity in Soil?D - Depth of Footing?φ - Angle of Shearing Resistance?π - Archimedes' constant?

Unit Weight of Soil given Angle of Shearing Resistance Example

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Here is how the Unit Weight of Soil given Angle of Shearing Resistance equation looks like with Values.

Here is how the Unit Weight of Soil given Angle of Shearing Resistance equation looks like with Units.

Here is how the Unit Weight of Soil given Angle of Shearing Resistance equation looks like.

2.0849Edit=0.03Edit15.2Edit(1+sin(45Edit3.1416180)1-sin(45Edit3.1416180))2
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Unit Weight of Soil given Angle of Shearing Resistance Solution

Follow our step by step solution on how to calculate Unit Weight of Soil given Angle of Shearing Resistance?

FIRST Step Consider the formula
γ=qfD(1+sin(φπ180)1-sin(φπ180))2
Next Step Substitute values of Variables
γ=0.03kPa15.2m(1+sin(45°π180)1-sin(45°π180))2
Next Step Substitute values of Constants
γ=0.03kPa15.2m(1+sin(45°3.1416180)1-sin(45°3.1416180))2
Next Step Convert Units
γ=30Pa15.2m(1+sin(0.7854rad3.1416180)1-sin(0.7854rad3.1416180))2
Next Step Prepare to Evaluate
γ=3015.2(1+sin(0.78543.1416180)1-sin(0.78543.1416180))2
Next Step Evaluate
γ=2084.92900979487N/m³
Next Step Convert to Output's Unit
γ=2.08492900979487kN/m³
LAST Step Rounding Answer
γ=2.0849kN/m³

Unit Weight of Soil given Angle of Shearing Resistance Formula Elements

Variables
Constants
Functions
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.
Ultimate Bearing Capacity in Soil
The Ultimate Bearing Capacity in soil mechanics is defined as the minimum gross pressure intensity at the base of the foundation at which the soil fails in shear.
Symbol: qf
Measurement: PressureUnit: kPa
Note: Value should be greater than 0.
Depth of Footing
Depth of Footing is the longer dimension of the footing.
Symbol: D
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Angle of Shearing Resistance
Angle of Shearing Resistance is known as a component of the shear strength of the soils which is basically frictional material and composed of individual particles.
Symbol: φ
Measurement: AngleUnit: °
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
sin
Sine is a trigonometric function that describes the ratio of the length of the opposite side of a right triangle to the length of the hypotenuse.
Syntax: sin(Angle)

Other Formulas to find Unit Weight of Soil

​Go Unit Weight of Soil given Minor Normal Stress
γ=σminD
​Go Unit Weight of Soil given Angle of Inclination from Horizontal
γ=qnfD(tan(i))4
​Go Unit Weight of Soil given Intensity of Loading
γ=q(Dmin)(1+sin(φπ180)1-sin(φπ180))2

Other formulas in Minimum Depth of Foundation by Rankine's Analysis category

​Go Major Stress during Shear Failure by Rankine Analysis
σmajor=σmin(tan(i180π))2+(2Cstan(i180π))
​Go Minor Normal Stress during Shear Failure by Rankine Analysis
σmin=σmajor-(2Cstan((i)))(tan((i)))2
​Go Minor Normal Stress given Unit Weight of Soil
σmin=γD
​Go Depth of Footing given Minor Normal Stress
D=σminγ

How to Evaluate Unit Weight of Soil given Angle of Shearing Resistance?

Unit Weight of Soil given Angle of Shearing Resistance evaluator uses Unit Weight of Soil = Ultimate Bearing Capacity in Soil/(Depth of Footing)*((1+sin((Angle of Shearing Resistance*pi)/180))/(1-sin((Angle of Shearing Resistance*pi)/180)))^2 to evaluate the Unit Weight of Soil, The Unit Weight of Soil given Angle of Shearing Resistance is defined as the value of unit weight of soil when we have prior information of other parameters used. Unit Weight of Soil is denoted by γ symbol.

How to evaluate Unit Weight of Soil given Angle of Shearing Resistance using this online evaluator? To use this online evaluator for Unit Weight of Soil given Angle of Shearing Resistance, enter Ultimate Bearing Capacity in Soil (qf), Depth of Footing (D) & Angle of Shearing Resistance (φ) and hit the calculate button.

FAQs on Unit Weight of Soil given Angle of Shearing Resistance

What is the formula to find Unit Weight of Soil given Angle of Shearing Resistance?
The formula of Unit Weight of Soil given Angle of Shearing Resistance is expressed as Unit Weight of Soil = Ultimate Bearing Capacity in Soil/(Depth of Footing)*((1+sin((Angle of Shearing Resistance*pi)/180))/(1-sin((Angle of Shearing Resistance*pi)/180)))^2. Here is an example- 2.1E-6 = 30/(15.2)*((1+sin((0.785398163397301*pi)/180))/(1-sin((0.785398163397301*pi)/180)))^2.
How to calculate Unit Weight of Soil given Angle of Shearing Resistance?
With Ultimate Bearing Capacity in Soil (qf), Depth of Footing (D) & Angle of Shearing Resistance (φ) we can find Unit Weight of Soil given Angle of Shearing Resistance using the formula - Unit Weight of Soil = Ultimate Bearing Capacity in Soil/(Depth of Footing)*((1+sin((Angle of Shearing Resistance*pi)/180))/(1-sin((Angle of Shearing Resistance*pi)/180)))^2. This formula also uses Archimedes' constant and Sine (sin) function(s).
What are the other ways to Calculate Unit Weight of Soil?
Here are the different ways to Calculate Unit Weight of Soil-
  • Unit Weight of Soil=Minor Principal Stress in Soil/Depth of FootingOpenImg
  • Unit Weight of Soil=Net Ultimate Bearing Capacity/(Depth of Footing*(tan(Angle of Inclination to Horizontal in Soil))^4)OpenImg
  • Unit Weight of Soil=Intensity of Loading in Kilopascal/((Minimum Depth of Foundation)*((1+sin((Angle of Shearing Resistance*pi)/180))/(1-sin((Angle of Shearing Resistance*pi)/180)))^2)OpenImg
Can the Unit Weight of Soil given Angle of Shearing Resistance be negative?
No, the Unit Weight of Soil given Angle of Shearing Resistance, measured in Specific Weight cannot be negative.
Which unit is used to measure Unit Weight of Soil given Angle of Shearing Resistance?
Unit Weight of Soil given Angle of Shearing Resistance is usually measured using the Kilonewton per Cubic Meter[kN/m³] for Specific Weight. Newton per Cubic Meter[kN/m³], Newton per Cubic Centimeter[kN/m³], Newton per Cubic Millimeter[kN/m³] are the few other units in which Unit Weight of Soil given Angle of Shearing Resistance can be measured.
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