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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=4cmsin(iπ180)cos(φmobπ180)H(1-cos((i-φmob)π180))
γ - Unit Weight of Soil?cm - Mobilized Cohesion in Soil Mechanics?i - Angle of Inclination to Horizontal in Soil?φmob - Angle of Mobilized Friction in Soil Mechanics?H - Height from Toe of Wedge to Top of Wedge?π - Archimedes' constant?

Unit Weight of Soil given Safe Height from Toe to Top of Wedge Example

With values
With units
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Here is how the Unit Weight of Soil given Safe Height from Toe to Top of Wedge equation looks like with Values.

Here is how the Unit Weight of Soil given Safe Height from Toe to Top of Wedge equation looks like with Units.

Here is how the Unit Weight of Soil given Safe Height from Toe to Top of Wedge equation looks like.

18.8859Edit=40.3Editsin(64Edit3.1416180)cos(12.33Edit3.1416180)10Edit(1-cos((64Edit-12.33Edit)3.1416180))
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Unit Weight of Soil given Safe Height from Toe to Top of Wedge Solution

Follow our step by step solution on how to calculate Unit Weight of Soil given Safe Height from Toe to Top of Wedge?

FIRST Step Consider the formula
γ=4cmsin(iπ180)cos(φmobπ180)H(1-cos((i-φmob)π180))
Next Step Substitute values of Variables
γ=40.3kN/m²sin(64°π180)cos(12.33°π180)10m(1-cos((64°-12.33°)π180))
Next Step Substitute values of Constants
γ=40.3kN/m²sin(64°3.1416180)cos(12.33°3.1416180)10m(1-cos((64°-12.33°)3.1416180))
Next Step Convert Units
γ=4300Pasin(1.117rad3.1416180)cos(0.2152rad3.1416180)10m(1-cos((1.117rad-0.2152rad)3.1416180))
Next Step Prepare to Evaluate
γ=4300sin(1.1173.1416180)cos(0.21523.1416180)10(1-cos((1.117-0.2152)3.1416180))
Next Step Evaluate
γ=18885.9114391667N/m³
Next Step Convert to Output's Unit
γ=18.8859114391667kN/m³
LAST Step Rounding Answer
γ=18.8859kN/m³

Unit Weight of Soil given Safe Height from Toe to Top of Wedge 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.
Mobilized Cohesion in Soil Mechanics
Mobilized Cohesion in Soil Mechanics is the amount of cohesion that is resisting the shear stress.
Symbol: cm
Measurement: PressureUnit: kN/m²
Note: Value should be between 0 to 10.
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.
Angle of Mobilized Friction in Soil Mechanics
Angle of Mobilized Friction in Soil Mechanics is the slope angle at which an object starts sliding due to applied force.
Symbol: φmob
Measurement: AngleUnit: °
Note: Value should be between -180 to 180.
Height from Toe of Wedge to Top of Wedge
Height from Toe of Wedge to Top of Wedge of soil.
Symbol: H
Measurement: LengthUnit: m
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)
cos
Cosine of an angle is the ratio of the side adjacent to the angle to the hypotenuse of the triangle.
Syntax: cos(Angle)

Other Formulas to find Unit Weight of Soil

​Go Unit Weight of Soil given Weight of Wedge
γ=WweLh2
​Go Unit Weight of Soil given Angle of Mobilized Friction
γ=cm0.5cosec(iπ180)sec(φmobπ180)sin((i-θslope)π180)sin((θslope-φmob)π180)H

Other formulas in Slope Stability Analysis using Culman's Method category

​Go Height of Wedge of Soil given Weight of Wedge
h=WweLγ2
​Go Cohesive Force along Slip Plane
Fc=cmL
​Go Mobilized Cohesion given Cohesive Force along Slip Plane
cm=FcL
​Go Height of Wedge of Soil given Angle of Inclination and Slope angle
h=Hsin((θi-θ)π180)sin(θiπ180)

How to Evaluate Unit Weight of Soil given Safe Height from Toe to Top of Wedge?

Unit Weight of Soil given Safe Height from Toe to Top of Wedge evaluator uses Unit Weight of Soil = (4*Mobilized Cohesion in Soil Mechanics*sin((Angle of Inclination to Horizontal in Soil*pi)/180)*cos((Angle of Mobilized Friction in Soil Mechanics*pi)/180))/(Height from Toe of Wedge to Top of Wedge*(1-cos(((Angle of Inclination to Horizontal in Soil-Angle of Mobilized Friction in Soil Mechanics)*pi)/180))) to evaluate the Unit Weight of Soil, The Unit Weight of Soil given Safe Height from Toe to Top of Wedge 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 Safe Height from Toe to Top of Wedge using this online evaluator? To use this online evaluator for Unit Weight of Soil given Safe Height from Toe to Top of Wedge, enter Mobilized Cohesion in Soil Mechanics (cm), Angle of Inclination to Horizontal in Soil (i), Angle of Mobilized Friction in Soil Mechanics mob) & Height from Toe of Wedge to Top of Wedge (H) and hit the calculate button.

FAQs on Unit Weight of Soil given Safe Height from Toe to Top of Wedge

What is the formula to find Unit Weight of Soil given Safe Height from Toe to Top of Wedge?
The formula of Unit Weight of Soil given Safe Height from Toe to Top of Wedge is expressed as Unit Weight of Soil = (4*Mobilized Cohesion in Soil Mechanics*sin((Angle of Inclination to Horizontal in Soil*pi)/180)*cos((Angle of Mobilized Friction in Soil Mechanics*pi)/180))/(Height from Toe of Wedge to Top of Wedge*(1-cos(((Angle of Inclination to Horizontal in Soil-Angle of Mobilized Friction in Soil Mechanics)*pi)/180))). Here is an example- 0.018886 = (4*300*sin((1.11701072127616*pi)/180)*cos((0.21519909677086*pi)/180))/(10*(1-cos(((1.11701072127616-0.21519909677086)*pi)/180))).
How to calculate Unit Weight of Soil given Safe Height from Toe to Top of Wedge?
With Mobilized Cohesion in Soil Mechanics (cm), Angle of Inclination to Horizontal in Soil (i), Angle of Mobilized Friction in Soil Mechanics mob) & Height from Toe of Wedge to Top of Wedge (H) we can find Unit Weight of Soil given Safe Height from Toe to Top of Wedge using the formula - Unit Weight of Soil = (4*Mobilized Cohesion in Soil Mechanics*sin((Angle of Inclination to Horizontal in Soil*pi)/180)*cos((Angle of Mobilized Friction in Soil Mechanics*pi)/180))/(Height from Toe of Wedge to Top of Wedge*(1-cos(((Angle of Inclination to Horizontal in Soil-Angle of Mobilized Friction in Soil Mechanics)*pi)/180))). This formula also uses Archimedes' constant and , Sine, Cosine 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=Weight of Wedge in Kilonewton/((Length of Slip Plane*Height of Wedge)/2)OpenImg
  • Unit Weight of Soil=Mobilized Cohesion in Soil Mechanics/(0.5*cosec((Angle of Inclination to Horizontal in Soil*pi)/180)*sec((Angle of Mobilized Friction in Soil Mechanics*pi)/180)*sin(((Angle of Inclination to Horizontal in Soil-Slope Angle in Soil Mechanics)*pi)/180)*sin(((Slope Angle in Soil Mechanics-Angle of Mobilized Friction in Soil Mechanics)*pi)/180)*Height from Toe of Wedge to Top of Wedge)OpenImg
Can the Unit Weight of Soil given Safe Height from Toe to Top of Wedge be negative?
No, the Unit Weight of Soil given Safe Height from Toe to Top of Wedge, measured in Specific Weight cannot be negative.
Which unit is used to measure Unit Weight of Soil given Safe Height from Toe to Top of Wedge?
Unit Weight of Soil given Safe Height from Toe to Top of Wedge 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 Safe Height from Toe to Top of Wedge can be measured.
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