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Saturated Unit Weight of Soil is the ratio of mass of saturated soil sample to total volume. Check FAQs
γsaturated=(Ceffhc)-(yStan(φπ180)(cos(iπ180))2)tan(iπ180)(cos(iπ180))2
γsaturated - Saturated Unit Weight of Soil?Ceff - Effective Cohesion in Geotech as Kilopascal?hc - Critical Depth?yS - Submerged Unit Weight in KN per Cubic Meter?φ - Angle of Internal Friction?i - Angle of Inclination to Horizontal in Soil?π - Archimedes' constant?

Saturated Unit Weight given Critical Depth Example

With values
With units
Only example

Here is how the Saturated Unit Weight given Critical Depth equation looks like with Values.

Here is how the Saturated Unit Weight given Critical Depth equation looks like with Units.

Here is how the Saturated Unit Weight given Critical Depth equation looks like.

12.6621Edit=(0.32Edit1.01Edit)-(5Edittan(46Edit3.1416180)(cos(64Edit3.1416180))2)tan(64Edit3.1416180)(cos(64Edit3.1416180))2
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Saturated Unit Weight given Critical Depth Solution

Follow our step by step solution on how to calculate Saturated Unit Weight given Critical Depth?

FIRST Step Consider the formula
γsaturated=(Ceffhc)-(yStan(φπ180)(cos(iπ180))2)tan(iπ180)(cos(iπ180))2
Next Step Substitute values of Variables
γsaturated=(0.32kPa1.01m)-(5kN/m³tan(46°π180)(cos(64°π180))2)tan(64°π180)(cos(64°π180))2
Next Step Substitute values of Constants
γsaturated=(0.32kPa1.01m)-(5kN/m³tan(46°3.1416180)(cos(64°3.1416180))2)tan(64°3.1416180)(cos(64°3.1416180))2
Next Step Convert Units
γsaturated=(320Pa1.01m)-(5000N/m³tan(0.8029rad3.1416180)(cos(1.117rad3.1416180))2)tan(1.117rad3.1416180)(cos(1.117rad3.1416180))2
Next Step Prepare to Evaluate
γsaturated=(3201.01)-(5000tan(0.80293.1416180)(cos(1.1173.1416180))2)tan(1.1173.1416180)(cos(1.1173.1416180))2
Next Step Evaluate
γsaturated=12662.1052925916N/m³
Next Step Convert to Output's Unit
γsaturated=12.6621052925916kN/m³
LAST Step Rounding Answer
γsaturated=12.6621kN/m³

Saturated Unit Weight given Critical Depth Formula Elements

Variables
Constants
Functions
Saturated Unit Weight of Soil
Saturated Unit Weight of Soil is the ratio of mass of saturated soil sample to total volume.
Symbol: γsaturated
Measurement: Specific WeightUnit: kN/m³
Note: Value should be greater than 0.
Effective Cohesion in Geotech as Kilopascal
Effective Cohesion in Geotech as Kilopascal is the consistency of soft to hard defined on the basis of the standard CSN 73 1001 for different states of consistency and degree of saturation.
Symbol: Ceff
Measurement: PressureUnit: kPa
Note: Value should be greater than 0.
Critical Depth
The Critical Depth is defined as the depth of flow where energy is at a minimum for a particular discharge.
Symbol: hc
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Submerged Unit Weight in KN per Cubic Meter
Submerged Unit Weight in KN per Cubic Meter is the unit weight of a weight of soil as observed under water in a saturated condition of course.
Symbol: yS
Measurement: Specific WeightUnit: kN/m³
Note: Value should be greater than 0.
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.
Angle of Inclination to Horizontal in Soil
Angle of Inclination to Horizontal in Soil is defined as the angle measured from the horizontal surface of the wall or any object.
Symbol: i
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
cos
Cosine of an angle is the ratio of the side adjacent to the angle to the hypotenuse of the triangle.
Syntax: cos(Angle)
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 Saturated Unit Weight of Soil

​Go Saturated Unit Weight given Factor of Safety for Cohesive Soil
γsaturated=Ceff+(ySztan(Φiπ180)(cos(iπ180))2)Fszcos(iπ180)sin(iπ180)

Other formulas in Steady State Seepage Analysis Along The Slopes category

​Go Weight of Soil Prism given Saturated Unit Weight
Wprism=(γsaturatedzbcos(iπ180))
​Go Inclined Length of Prism given Saturated Unit Weight
b=Wprismγsaturatedzcos(iπ180)
​Go Vertical Stress on Prism given Saturated Unit Weight
σzkp=(γsaturatedzcos(iπ180))
​Go Normal Stress Component given Saturated Unit Weight
σn=(γsaturatedz(cos(iπ180))2)

How to Evaluate Saturated Unit Weight given Critical Depth?

Saturated Unit Weight given Critical Depth evaluator uses Saturated Unit Weight of Soil = ((Effective Cohesion in Geotech as Kilopascal/Critical Depth)-(Submerged Unit Weight in KN per Cubic Meter*tan((Angle of Internal Friction*pi)/180)*(cos((Angle of Inclination to Horizontal in Soil*pi)/180))^2))/(tan((Angle of Inclination to Horizontal in Soil*pi)/180)*(cos((Angle of Inclination to Horizontal in Soil*pi)/180))^2) to evaluate the Saturated Unit Weight of Soil, The Saturated Unit Weight given Critical Depth is defined as the value of saturated unit weight when we have prior information of other parameters used. Saturated Unit Weight of Soil is denoted by γsaturated symbol.

How to evaluate Saturated Unit Weight given Critical Depth using this online evaluator? To use this online evaluator for Saturated Unit Weight given Critical Depth, enter Effective Cohesion in Geotech as Kilopascal (Ceff), Critical Depth (hc), Submerged Unit Weight in KN per Cubic Meter (yS), Angle of Internal Friction (φ) & Angle of Inclination to Horizontal in Soil (i) and hit the calculate button.

FAQs on Saturated Unit Weight given Critical Depth

What is the formula to find Saturated Unit Weight given Critical Depth?
The formula of Saturated Unit Weight given Critical Depth is expressed as Saturated Unit Weight of Soil = ((Effective Cohesion in Geotech as Kilopascal/Critical Depth)-(Submerged Unit Weight in KN per Cubic Meter*tan((Angle of Internal Friction*pi)/180)*(cos((Angle of Inclination to Horizontal in Soil*pi)/180))^2))/(tan((Angle of Inclination to Horizontal in Soil*pi)/180)*(cos((Angle of Inclination to Horizontal in Soil*pi)/180))^2). Here is an example- 0.012662 = ((320/1.01)-(5000*tan((0.802851455917241*pi)/180)*(cos((1.11701072127616*pi)/180))^2))/(tan((1.11701072127616*pi)/180)*(cos((1.11701072127616*pi)/180))^2).
How to calculate Saturated Unit Weight given Critical Depth?
With Effective Cohesion in Geotech as Kilopascal (Ceff), Critical Depth (hc), Submerged Unit Weight in KN per Cubic Meter (yS), Angle of Internal Friction (φ) & Angle of Inclination to Horizontal in Soil (i) we can find Saturated Unit Weight given Critical Depth using the formula - Saturated Unit Weight of Soil = ((Effective Cohesion in Geotech as Kilopascal/Critical Depth)-(Submerged Unit Weight in KN per Cubic Meter*tan((Angle of Internal Friction*pi)/180)*(cos((Angle of Inclination to Horizontal in Soil*pi)/180))^2))/(tan((Angle of Inclination to Horizontal in Soil*pi)/180)*(cos((Angle of Inclination to Horizontal in Soil*pi)/180))^2). This formula also uses Archimedes' constant and , Cosine, Tangent function(s).
What are the other ways to Calculate Saturated Unit Weight of Soil?
Here are the different ways to Calculate Saturated Unit Weight of Soil-
  • Saturated Unit Weight of Soil=(Effective Cohesion in Geotech as Kilopascal+(Submerged Unit Weight in KN per Cubic Meter*Depth of Prism*tan((Angle of Internal Friction of Soil*pi)/180)*(cos((Angle of Inclination to Horizontal in Soil*pi)/180))^2))/(Factor of Safety in Soil Mechanics*Depth of Prism*cos((Angle of Inclination to Horizontal in Soil*pi)/180)*sin((Angle of Inclination to Horizontal in Soil*pi)/180))OpenImg
Can the Saturated Unit Weight given Critical Depth be negative?
No, the Saturated Unit Weight given Critical Depth, measured in Specific Weight cannot be negative.
Which unit is used to measure Saturated Unit Weight given Critical Depth?
Saturated Unit Weight given Critical Depth 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 Saturated Unit Weight given Critical Depth can be measured.
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