Ultimate Bearing Capacity provided Angle of Inclination from Horizontal Formula

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Net Ultimate Bearing Capacity is the minimum net pressure intensity causing shear failure. Check FAQs
qnf=γD(tan(i))4
qnf - Net Ultimate Bearing Capacity?γ - Unit Weight of Soil?D - Depth of Footing?i - Angle of Inclination to Horizontal in Soil?

Ultimate Bearing Capacity provided Angle of Inclination from Horizontal Example

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With units
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Here is how the Ultimate Bearing Capacity provided Angle of Inclination from Horizontal equation looks like with Values.

Here is how the Ultimate Bearing Capacity provided Angle of Inclination from Horizontal equation looks like with Units.

Here is how the Ultimate Bearing Capacity provided Angle of Inclination from Horizontal equation looks like.

4.8349Edit=18Edit15.2Edit(tan(64Edit))4
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Ultimate Bearing Capacity provided Angle of Inclination from Horizontal Solution

Follow our step by step solution on how to calculate Ultimate Bearing Capacity provided Angle of Inclination from Horizontal?

FIRST Step Consider the formula
qnf=γD(tan(i))4
Next Step Substitute values of Variables
qnf=18kN/m³15.2m(tan(64°))4
Next Step Convert Units
qnf=18kN/m³15.2m(tan(1.117rad))4
Next Step Prepare to Evaluate
qnf=1815.2(tan(1.117))4
Next Step Evaluate
qnf=4834.91668470855Pa
Next Step Convert to Output's Unit
qnf=4.83491668470855kN/m²
LAST Step Rounding Answer
qnf=4.8349kN/m²

Ultimate Bearing Capacity provided Angle of Inclination from Horizontal Formula Elements

Variables
Functions
Net Ultimate Bearing Capacity
Net Ultimate Bearing Capacity is the minimum net pressure intensity causing shear failure.
Symbol: qnf
Measurement: PressureUnit: kN/m²
Note: Value should be greater than 0.
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.
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 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.
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 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 Unit Weight of Soil given Minor Normal Stress
γ=σminD

How to Evaluate Ultimate Bearing Capacity provided Angle of Inclination from Horizontal?

Ultimate Bearing Capacity provided Angle of Inclination from Horizontal evaluator uses Net Ultimate Bearing Capacity = Unit Weight of Soil*Depth of Footing*(tan(Angle of Inclination to Horizontal in Soil))^4 to evaluate the Net Ultimate Bearing Capacity, The Ultimate Bearing Capacity provided Angle of Inclination from Horizontal is defined as the maximum vertical pressure that can be applied to ground surface, at which point shear failure mechanism develops in supporting soil. Net Ultimate Bearing Capacity is denoted by qnf symbol.

How to evaluate Ultimate Bearing Capacity provided Angle of Inclination from Horizontal using this online evaluator? To use this online evaluator for Ultimate Bearing Capacity provided Angle of Inclination from Horizontal, enter Unit Weight of Soil (γ), Depth of Footing (D) & Angle of Inclination to Horizontal in Soil (i) and hit the calculate button.

FAQs on Ultimate Bearing Capacity provided Angle of Inclination from Horizontal

What is the formula to find Ultimate Bearing Capacity provided Angle of Inclination from Horizontal?
The formula of Ultimate Bearing Capacity provided Angle of Inclination from Horizontal is expressed as Net Ultimate Bearing Capacity = Unit Weight of Soil*Depth of Footing*(tan(Angle of Inclination to Horizontal in Soil))^4. Here is an example- 283.0356 = 18000*15.2*(tan(1.11701072127616))^4.
How to calculate Ultimate Bearing Capacity provided Angle of Inclination from Horizontal?
With Unit Weight of Soil (γ), Depth of Footing (D) & Angle of Inclination to Horizontal in Soil (i) we can find Ultimate Bearing Capacity provided Angle of Inclination from Horizontal using the formula - Net Ultimate Bearing Capacity = Unit Weight of Soil*Depth of Footing*(tan(Angle of Inclination to Horizontal in Soil))^4. This formula also uses Tangent (tan) function(s).
Can the Ultimate Bearing Capacity provided Angle of Inclination from Horizontal be negative?
No, the Ultimate Bearing Capacity provided Angle of Inclination from Horizontal, measured in Pressure cannot be negative.
Which unit is used to measure Ultimate Bearing Capacity provided Angle of Inclination from Horizontal?
Ultimate Bearing Capacity provided Angle of Inclination from Horizontal is usually measured using the Kilonewton per Square Meter[kN/m²] for Pressure. Pascal[kN/m²], Kilopascal[kN/m²], Bar[kN/m²] are the few other units in which Ultimate Bearing Capacity provided Angle of Inclination from Horizontal can be measured.
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