Ultimate Bearing Capacity given Depth of Footing Calculator

✖Net Ultimate Bearing Capacity in Soil is the minimum net pressure intensity causing shear failure.ⓘ Net Ultimate Bearing Capacity in Soil [q_net]			+10% -10%
✖Unit Weight of Soil mass is the ratio of the total weight of soil to the total volume of soil.ⓘ Unit Weight of Soil [γ]			+10% -10%
✖Depth of Footing in Soil is the longer dimension of the footing in soil mechanics.ⓘ Depth of Footing in Soil [D_footing]			+10% -10%

✖The Ultimate Bearing Capacity is defined as the minimum gross pressure intensity at the base of the foundation at which the soil fails in shear.ⓘ Ultimate Bearing Capacity given Depth of Footing [q_f]

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Formula

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Ultimate Bearing Capacity given Depth of Footing

Formula

`"q"_{"f"} = "q"_{"net"}+("γ"*"D"_{"footing"})`

Example

`"84.02kPa"="38.3kN/m²"+("18kN/m³"*"2.54m")`

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Ultimate Bearing Capacity given Depth of Footing Solution

STEP 0: Pre-Calculation Summary

Formula Used

Ultimate Bearing Capacity = Net Ultimate Bearing Capacity in Soil+(Unit Weight of Soil*Depth of Footing in Soil)
q_f = q_net+(γ*D_footing)
This formula uses 4 Variables

Variables Used

Ultimate Bearing Capacity - (Measured in Pascal) - The Ultimate Bearing Capacity is defined as the minimum gross pressure intensity at the base of the foundation at which the soil fails in shear.
Net Ultimate Bearing Capacity in Soil - (Measured in Pascal) - Net Ultimate Bearing Capacity in Soil is the minimum net pressure intensity causing shear failure.
Unit Weight of Soil - (Measured in Newton per Cubic Meter) - Unit Weight of Soil mass is the ratio of the total weight of soil to the total volume of soil.
Depth of Footing in Soil - (Measured in Meter) - Depth of Footing in Soil is the longer dimension of the footing in soil mechanics.

STEP 1: Convert Input(s) to Base Unit

Net Ultimate Bearing Capacity in Soil: 38.3 Kilonewton per Square Meter --> 38300 Pascal (Check conversion here)
Unit Weight of Soil: 18 Kilonewton per Cubic Meter --> 18000 Newton per Cubic Meter (Check conversion here)
Depth of Footing in Soil: 2.54 Meter --> 2.54 Meter No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

q_f = q_net+(γ*D_footing) --> 38300+(18000*2.54)

Evaluating ... ...

q_f = 84020

STEP 3: Convert Result to Output's Unit

84020 Pascal -->84.02 Kilopascal (Check conversion here)

FINAL ANSWER

84.02 Kilopascal <-- Ultimate Bearing Capacity

(Calculation completed in 00.004 seconds)

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Home » Engineering » Civil » Geotechnical Engineering » Bearing Capacity of Soils » Ultimate Bearing Capacity given Depth of Footing

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Created by Suraj Kumar

Birsa Institute of Technology (BIT), Sindri

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Meerut Institute of Engineering and Technology (MIET), Meerut

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< 16 Bearing Capacity of Soils Calculators

Ultimate Bearing Capacity of Soil under Long Footing at Surface of Soil

Go Ultimate Bearing Capacity = ((Prandtls Cohesion/tan(Angle of Internal Friction))+(0.5*Dry Unit Weight of Soil*Width of Footing*sqrt(Coefficient of Passive Pressure))*(Coefficient of Passive Pressure*exp(pi*tan(Angle of Internal Friction))-1))

Safe Bearing Capacity given Net Ultimate Bearing Capacity

Go Safe Bearing Capacity = (Net Ultimate Bearing Capacity in Soil/Factor of Safety in Bearing Capacity of Soil)+(Unit Weight of Soil*Depth of Footing in Soil)

Bearing Capacity Factor Dependent on Unit Weight by Vesic's Analysis

Go Bearing Capacity Factor dependent on Unit Weight = 2*(Bearing Capacity Factor dependent on Surcharge+1)*tan((Angle of Internal Friction of Soil*pi)/180)

Net Safe Bearing Capacity given Ultimate Bearing Capacity

Go Net Safe Bearing Capacity in Soil = (Ultimate Bearing Capacity in Soil-Effective Surcharge in KiloPascal)/Factor of Safety in Bearing Capacity of Soil

Ultimate Bearing Capacity given Factor of Safety

Go Ultimate Bearing Capacity = (Net Safe Bearing Capacity in Soil*Factor of Safety in Bearing Capacity of Soil)+Effective Surcharge in KiloPascal

Angle of Internal Friction given Bearing Capacity by by Vesic's Analysis

Go Angle of Internal Friction = atan(Bearing Capacity Factor dependent on Unit Weight/(2*(Bearing Capacity Factor dependent on Surcharge+1)))

Ultimate Bearing Capacity given Depth of Footing

Go Ultimate Bearing Capacity = Net Ultimate Bearing Capacity in Soil+(Unit Weight of Soil*Depth of Footing in Soil)

Safe Bearing Capacity

Go Safe Bearing Capacity = Net Safe Bearing Capacity in Soil+(Unit Weight of Soil*Depth of Footing in Soil)

Depth of Footing given Safe Bearing Capacity

Go Depth of Footing = (Safe Bearing Capacity-Net Safe Bearing Capacity in Soil)/Unit Weight of Soil

Net Ultimate Bearing Capacity given Net Safe Bearing Capacity

Go Net Ultimate Bearing Capacity in Soil = Net Safe Bearing Capacity in Soil*Factor of Safety in Bearing Capacity of Soil

Net Safe Bearing Capacity

Go Net Safe Bearing Capacity in Soil = Net Ultimate Bearing Capacity in Soil/Factor of Safety in Bearing Capacity of Soil

Net Ultimate Bearing Capacity given Ultimate Bearing Capacity

Go Net Ultimate Bearing Capacity in Soil = Ultimate Bearing Capacity in Soil-Effective Surcharge in KiloPascal

Ultimate Bearing Capacity

Go Ultimate Bearing Capacity = Net Ultimate Bearing Capacity in Soil+Effective Surcharge in KiloPascal

Effective Surcharge given Depth of Footing

Go Effective Surcharge in KiloPascal = Unit Weight of Soil*Depth of Footing

Effective Surcharge given Net Pressure Intensity

Go Effective Surcharge in KiloPascal = Gross Pressure-Net Pressure

Net Pressure Intensity

Go Net Pressure = Gross Pressure-Effective Surcharge in KiloPascal

Ultimate Bearing Capacity given Depth of Footing Formula

Ultimate Bearing Capacity = Net Ultimate Bearing Capacity in Soil+(Unit Weight of Soil*Depth of Footing in Soil)
q_f = q_net+(γ*D_footing)

What is Ultimate Bearing Capacity?

The ultimate bearing capacity of a foundation denotes the maximum load that foundation soils can withstand, and its reasonable determination is one of the pivotal parts in foundation designs.

How to Calculate Ultimate Bearing Capacity given Depth of Footing?

Ultimate Bearing Capacity given Depth of Footing calculator uses Ultimate Bearing Capacity = Net Ultimate Bearing Capacity in Soil+(Unit Weight of Soil*Depth of Footing in Soil) to calculate the Ultimate Bearing Capacity, The Ultimate Bearing Capacity given Depth of Footing is defined as the value of ultimate bearing capacity when we have prior information of other parameters used. Ultimate Bearing Capacity is denoted by q_f symbol.

How to calculate Ultimate Bearing Capacity given Depth of Footing using this online calculator? To use this online calculator for Ultimate Bearing Capacity given Depth of Footing, enter Net Ultimate Bearing Capacity in Soil (q_net), Unit Weight of Soil (γ) & Depth of Footing in Soil (D_footing) and hit the calculate button. Here is how the Ultimate Bearing Capacity given Depth of Footing calculation can be explained with given input values -> 0.08402 = 38300+(18000*2.54).

FAQ

What is Ultimate Bearing Capacity given Depth of Footing?

The Ultimate Bearing Capacity given Depth of Footing is defined as the value of ultimate bearing capacity when we have prior information of other parameters used and is represented as q_f = q_net+(γ*D_footing) or Ultimate Bearing Capacity = Net Ultimate Bearing Capacity in Soil+(Unit Weight of Soil*Depth of Footing in Soil). Net Ultimate Bearing Capacity in Soil is the minimum net pressure intensity causing shear failure, Unit Weight of Soil mass is the ratio of the total weight of soil to the total volume of soil & Depth of Footing in Soil is the longer dimension of the footing in soil mechanics.

How to calculate Ultimate Bearing Capacity given Depth of Footing?

The Ultimate Bearing Capacity given Depth of Footing is defined as the value of ultimate bearing capacity when we have prior information of other parameters used is calculated using Ultimate Bearing Capacity = Net Ultimate Bearing Capacity in Soil+(Unit Weight of Soil*Depth of Footing in Soil). To calculate Ultimate Bearing Capacity given Depth of Footing, you need Net Ultimate Bearing Capacity in Soil (q_net), Unit Weight of Soil (γ) & Depth of Footing in Soil (D_footing). With our tool, you need to enter the respective value for Net Ultimate Bearing Capacity in Soil, Unit Weight of Soil & Depth of Footing in Soil and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

How many ways are there to calculate Ultimate Bearing Capacity?

In this formula, Ultimate Bearing Capacity uses Net Ultimate Bearing Capacity in Soil, Unit Weight of Soil & Depth of Footing in Soil. We can use 3 other way(s) to calculate the same, which is/are as follows -

Ultimate Bearing Capacity = ((Prandtls Cohesion/tan(Angle of Internal Friction))+(0.5*Dry Unit Weight of Soil*Width of Footing*sqrt(Coefficient of Passive Pressure))*(Coefficient of Passive Pressure*exp(pi*tan(Angle of Internal Friction))-1))
Ultimate Bearing Capacity = Net Ultimate Bearing Capacity in Soil+Effective Surcharge in KiloPascal
Ultimate Bearing Capacity = (Net Safe Bearing Capacity in Soil*Factor of Safety in Bearing Capacity of Soil)+Effective Surcharge in KiloPascal

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