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

Safe Height from Toe to Top of Wedge Example

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

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

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

10.4922Edit=40.3Editsin(64Edit3.1416180)cos(12.33Edit3.1416180)18Edit(1-cos((64Edit-12.33Edit)3.1416180))
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Safe Height from Toe to Top of Wedge Solution

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

FIRST Step Consider the formula
H=4cmsin(iπ180)cos(φmobπ180)γ(1-cos((i-φmob)π180))
Next Step Substitute values of Variables
H=40.3kN/m²sin(64°π180)cos(12.33°π180)18kN/m³(1-cos((64°-12.33°)π180))
Next Step Substitute values of Constants
H=40.3kN/m²sin(64°3.1416180)cos(12.33°3.1416180)18kN/m³(1-cos((64°-12.33°)3.1416180))
Next Step Convert Units
H=4300Pasin(1.117rad3.1416180)cos(0.2152rad3.1416180)18000N/m³(1-cos((1.117rad-0.2152rad)3.1416180))
Next Step Prepare to Evaluate
H=4300sin(1.1173.1416180)cos(0.21523.1416180)18000(1-cos((1.117-0.2152)3.1416180))
Next Step Evaluate
H=10.4921730217593m
LAST Step Rounding Answer
H=10.4922m

Safe Height from Toe to Top of Wedge Formula Elements

Variables
Constants
Functions
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.
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.
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.
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 Height from Toe of Wedge to Top of Wedge

​Go Height from Toe of Wedge to Top of Wedge
H=hsin((θi-θ)π180)sin(θiπ180)
​Go Height from Toe of Wedge to Top of Wedge given Weight of Wedge
H=WweγL(sin((θi-θ)π180))2sin(θiπ180)
​Go Height from Toe of Wedge to Top of Wedge given Factor of Safety
H=(Ceff(12)(Fs-(tan(φπ180)tan(θcrπ180)))γ(sin((i-θcr)π180)sin(iπ180))sin(θcrπ180))
​Go Height from Toe to Top of Wedge given Angle of Mobilized Friction
H=cm0.5cosec(iπ180)sec(φmobπ180)sin((i-θ)π180)sin((θslope-φmob)π180)γ

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 Safe Height from Toe to Top of Wedge?

Safe Height from Toe to Top of Wedge evaluator uses Height from Toe of Wedge to Top of Wedge = (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))/(Unit Weight of Soil*(1-cos(((Angle of Inclination to Horizontal in Soil-Angle of Mobilized Friction in Soil Mechanics)*pi)/180))) to evaluate the Height from Toe of Wedge to Top of Wedge, The Safe Height from Toe to Top of Wedge is defined as the value of safe height from toe to top of the wedge of soil when we have prior information of other parameters used. Height from Toe of Wedge to Top of Wedge is denoted by H symbol.

How to evaluate Safe Height from Toe to Top of Wedge using this online evaluator? To use this online evaluator for 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) & Unit Weight of Soil (γ) and hit the calculate button.

FAQs on Safe Height from Toe to Top of Wedge

What is the formula to find Safe Height from Toe to Top of Wedge?
The formula of Safe Height from Toe to Top of Wedge is expressed as Height from Toe of Wedge to Top of Wedge = (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))/(Unit Weight of Soil*(1-cos(((Angle of Inclination to Horizontal in Soil-Angle of Mobilized Friction in Soil Mechanics)*pi)/180))). Here is an example- 10.49217 = (4*300*sin((1.11701072127616*pi)/180)*cos((0.21519909677086*pi)/180))/(18000*(1-cos(((1.11701072127616-0.21519909677086)*pi)/180))).
How to calculate 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) & Unit Weight of Soil (γ) we can find Safe Height from Toe to Top of Wedge using the formula - Height from Toe of Wedge to Top of Wedge = (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))/(Unit Weight of Soil*(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 Height from Toe of Wedge to Top of Wedge?
Here are the different ways to Calculate Height from Toe of Wedge to Top of Wedge-
  • Height from Toe of Wedge to Top of Wedge=Height of Wedge/((sin(((Angle of Inclination in Soil Mechanics-Slope Angle)*pi)/180))/sin((Angle of Inclination in Soil Mechanics*pi)/180))OpenImg
  • Height from Toe of Wedge to Top of Wedge=Weight of Wedge in Kilonewton/((Unit Weight of Soil*Length of Slip Plane*(sin(((Angle of Inclination in Soil Mechanics-Slope Angle)*pi)/180)))/(2*sin((Angle of Inclination in Soil Mechanics*pi)/180)))OpenImg
  • Height from Toe of Wedge to Top of Wedge=(Effective Cohesion in Geotech as Kilopascal/((1/2)*(Factor of Safety in Soil Mechanics-(tan((Angle of Internal Friction*pi)/180)/tan((Critical Slope Angle in Soil Mechanics*pi)/180)))*Unit Weight of Soil*(sin(((Angle of Inclination to Horizontal in Soil-Critical Slope Angle in Soil Mechanics)*pi)/180)/sin((Angle of Inclination to Horizontal in Soil*pi)/180))*sin((Critical Slope Angle in Soil Mechanics*pi)/180)))OpenImg
Can the Safe Height from Toe to Top of Wedge be negative?
No, the Safe Height from Toe to Top of Wedge, measured in Length cannot be negative.
Which unit is used to measure Safe Height from Toe to Top of Wedge?
Safe Height from Toe to Top of Wedge is usually measured using the Meter[m] for Length. Millimeter[m], Kilometer[m], Decimeter[m] are the few other units in which Safe Height from Toe to Top of Wedge can be measured.
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