Net Bearing Capacity for Undrained Loading of Cohesive Soils Calculator

✖Alpha Footing Factor is a dimensionless coefficient that is used in bearing capacity equations. It modifies the ultimate bearing capacity of the soil.ⓘ Alpha Footing Factor [α_f]			+10% -10%
✖Bearing Capacity Factor Nq used in a bearing capacity equation that correlates with the angle of internal friction of soil.ⓘ Bearing Capacity Factor Nq [N_q]			+10% -10%
✖Undrained Shear Strength of Soil is the shear strength of a soil when it is subjected to rapid loading and does not have enough time to drain.ⓘ Undrained Shear Strength of Soil [C_u]			+10% -10%

✖Net Bearing Capacity is the maximum net pressure intensity to which the soil at the base of the foundation can be subjected without risk of shear failure.ⓘ Net Bearing Capacity for Undrained Loading of Cohesive Soils [q_u]

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Net Bearing Capacity for Undrained Loading of Cohesive Soils Solution

STEP 0: Pre-Calculation Summary

Formula Used

Net Bearing Capacity = Alpha Footing Factor*Bearing Capacity Factor Nq*Undrained Shear Strength of Soil
q_u = α_f*N_q*C_u
This formula uses 4 Variables

Variables Used

Net Bearing Capacity - (Measured in Pascal) - Net Bearing Capacity is the maximum net pressure intensity to which the soil at the base of the foundation can be subjected without risk of shear failure.
Alpha Footing Factor - Alpha Footing Factor is a dimensionless coefficient that is used in bearing capacity equations. It modifies the ultimate bearing capacity of the soil.
Bearing Capacity Factor Nq - Bearing Capacity Factor Nq used in a bearing capacity equation that correlates with the angle of internal friction of soil.
Undrained Shear Strength of Soil - (Measured in Pascal) - Undrained Shear Strength of Soil is the shear strength of a soil when it is subjected to rapid loading and does not have enough time to drain.

STEP 1: Convert Input(s) to Base Unit

Alpha Footing Factor: 1.3 --> No Conversion Required
Bearing Capacity Factor Nq: 1.98 --> No Conversion Required
Undrained Shear Strength of Soil: 17 Kilopascal --> 17000 Pascal (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

q_u = α_f*N_q*C_u --> 1.3*1.98*17000

Evaluating ... ...

q_u = 43758

STEP 3: Convert Result to Output's Unit

43758 Pascal -->43.758 Kilopascal (Check conversion here)

FINAL ANSWER

43.758 Kilopascal <-- Net Bearing Capacity

(Calculation completed in 00.020 seconds)

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Created by Mridul Sharma

Indian Institute of Information Technology (IIIT), Bhopal

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< Foundation Stability Analysis Calculators

Net Bearing Capacity of Long Footing in Foundation Stability Analysis

LaTeX Go Net Bearing Capacity = (Alpha Footing Factor*Undrained Shear Strength of Soil*Bearing Capacity Factor)+(Effective Vertical Shear Stress in Soil*Bearing Capacity Factor Nq)+(Beta Footing Factor*Unit Weight of Soil*Width of Footing*Value of Nγ)

Maximum Bearing Pressure for Eccentric Loading Conventional Case

LaTeX Go Maximum Bearing Pressure = (Circumference of Group in Foundation/(Breadth of Dam*Length of Footing))*(1+((6*Eccentricity of the Load on Soil)/Breadth of Dam))

Minimum Bearing Pressure for Eccentric Loading Conventional Case

LaTeX Go Bearing Pressure Minimum = (Axial Load on Soil/(Breadth of Dam*Length of Footing))*(1-((6*Eccentricity of the Load on Soil)/Breadth of Dam))

Net Bearing Capacity for Undrained Loading of Cohesive Soils

LaTeX Go Net Bearing Capacity = Alpha Footing Factor*Bearing Capacity Factor Nq*Undrained Shear Strength of Soil

Net Bearing Capacity for Undrained Loading of Cohesive Soils Formula

LaTeX Go

Net Bearing Capacity = Alpha Footing Factor*Bearing Capacity Factor Nq*Undrained Shear Strength of Soil
q_u = α_f*N_q*C_u

What is the Value of Footing Factor?

The value of footing factor is different for different shapes of footings i.e it is 1.0 for strip footings and 1.3 for circular and square footings.

How to Calculate Net Bearing Capacity for Undrained Loading of Cohesive Soils?

Net Bearing Capacity for Undrained Loading of Cohesive Soils calculator uses Net Bearing Capacity = Alpha Footing Factor*Bearing Capacity Factor Nq*Undrained Shear Strength of Soil to calculate the Net Bearing Capacity, The Net Bearing Capacity for Undrained Loading of Cohesive Soils formula is defined as the total capacity to bear load for a cohesive soil for undrained loading (Pore pressure is developed but there is no flow of pore fluid). Net Bearing Capacity is denoted by q_u symbol.

How to calculate Net Bearing Capacity for Undrained Loading of Cohesive Soils using this online calculator? To use this online calculator for Net Bearing Capacity for Undrained Loading of Cohesive Soils, enter Alpha Footing Factor (α_f), Bearing Capacity Factor Nq (N_q) & Undrained Shear Strength of Soil (C_u) and hit the calculate button. Here is how the Net Bearing Capacity for Undrained Loading of Cohesive Soils calculation can be explained with given input values -> 0.043758 = 1.3*1.98*17000.

FAQ

What is Net Bearing Capacity for Undrained Loading of Cohesive Soils?

The Net Bearing Capacity for Undrained Loading of Cohesive Soils formula is defined as the total capacity to bear load for a cohesive soil for undrained loading (Pore pressure is developed but there is no flow of pore fluid) and is represented as q_u = α_f*N_q*C_u or Net Bearing Capacity = Alpha Footing Factor*Bearing Capacity Factor Nq*Undrained Shear Strength of Soil. Alpha Footing Factor is a dimensionless coefficient that is used in bearing capacity equations. It modifies the ultimate bearing capacity of the soil, Bearing Capacity Factor Nq used in a bearing capacity equation that correlates with the angle of internal friction of soil & Undrained Shear Strength of Soil is the shear strength of a soil when it is subjected to rapid loading and does not have enough time to drain.

How to calculate Net Bearing Capacity for Undrained Loading of Cohesive Soils?

The Net Bearing Capacity for Undrained Loading of Cohesive Soils formula is defined as the total capacity to bear load for a cohesive soil for undrained loading (Pore pressure is developed but there is no flow of pore fluid) is calculated using Net Bearing Capacity = Alpha Footing Factor*Bearing Capacity Factor Nq*Undrained Shear Strength of Soil. To calculate Net Bearing Capacity for Undrained Loading of Cohesive Soils, you need Alpha Footing Factor (α_f), Bearing Capacity Factor Nq (N_q) & Undrained Shear Strength of Soil (C_u). With our tool, you need to enter the respective value for Alpha Footing Factor, Bearing Capacity Factor Nq & Undrained Shear Strength of 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 Net Bearing Capacity?

In this formula, Net Bearing Capacity uses Alpha Footing Factor, Bearing Capacity Factor Nq & Undrained Shear Strength of Soil. We can use 1 other way(s) to calculate the same, which is/are as follows -

Net Bearing Capacity = (Alpha Footing Factor*Undrained Shear Strength of Soil*Bearing Capacity Factor)+(Effective Vertical Shear Stress in Soil*Bearing Capacity Factor Nq)+(Beta Footing Factor*Unit Weight of Soil*Width of Footing*Value of Nγ)

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