Net Bearing Capacity of Long Footing in Foundation Stability Analysis 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%
✖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%
✖Bearing Capacity Factor is empirically derived factor used in a bearing capacity equation that usually correlates with the angle of internal friction of the soil.ⓘ Bearing Capacity Factor [N_c]			+10% -10%
✖Effective Vertical Shear Stress in soil is the total vertical stress acting at a point below the ground surface is due to the weight of everything lying above soil, water, and surface loading.ⓘ Effective Vertical Shear Stress in Soil [σ_vo]			+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%
✖Beta Footing Factor in slope stability often relate to bearing capacity, safety factors, and load distribution. It is 0.5 for strip footings, 0.4 for square footings, and 0.6 for circular footings.ⓘ Beta Footing Factor [β_f]			+10% -10%
✖Unit Weight of Soil is the ratio of the total weight of soil to the total volume of soil.ⓘ Unit Weight of Soil [γ]			+10% -10%
✖Width of Footing is the shorter dimension of the footing.ⓘ Width of Footing [B]			+10% -10%
✖Value of Nγ is bearing capacity factor.ⓘ Value of Nγ [N_γ]			+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 of Long Footing in Foundation Stability Analysis [q_u]

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Net Bearing Capacity of Long Footing in Foundation Stability Analysis Solution

STEP 0: Pre-Calculation Summary

Formula Used

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)
q_u = (α_f*C_u*N_c)+(σ_vo*N_q)+(β_f*γ*B*N_γ)
This formula uses 10 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.
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.
Bearing Capacity Factor - Bearing Capacity Factor is empirically derived factor used in a bearing capacity equation that usually correlates with the angle of internal friction of the soil.
Effective Vertical Shear Stress in Soil - (Measured in Pascal) - Effective Vertical Shear Stress in soil is the total vertical stress acting at a point below the ground surface is due to the weight of everything lying above soil, water, and surface loading.
Bearing Capacity Factor Nq - Bearing Capacity Factor Nq used in a bearing capacity equation that correlates with the angle of internal friction of soil.
Beta Footing Factor - Beta Footing Factor in slope stability often relate to bearing capacity, safety factors, and load distribution. It is 0.5 for strip footings, 0.4 for square footings, and 0.6 for circular footings.
Unit Weight of Soil - (Measured in Newton per Cubic Meter) - Unit Weight of Soil is the ratio of the total weight of soil to the total volume of soil.
Width of Footing - (Measured in Meter) - Width of Footing is the shorter dimension of the footing.
Value of Nγ - Value of Nγ is bearing capacity factor.

STEP 1: Convert Input(s) to Base Unit

Alpha Footing Factor: 1.3 --> No Conversion Required
Undrained Shear Strength of Soil: 17 Kilopascal --> 17000 Pascal (Check conversion here)
Bearing Capacity Factor: 3.1 --> No Conversion Required
Effective Vertical Shear Stress in Soil: 0.001 Kilopascal --> 1 Pascal (Check conversion here)
Bearing Capacity Factor Nq: 1.98 --> No Conversion Required
Beta Footing Factor: 0.5 --> No Conversion Required
Unit Weight of Soil: 18 Kilonewton per Cubic Meter --> 18000 Newton per Cubic Meter (Check conversion here)
Width of Footing: 2 Meter --> 2 Meter No Conversion Required
Value of Nγ: 2.5 --> No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

q_u = (α_f*C_u*N_c)+(σ_vo*N_q)+(β_f*γ*B*N_γ) --> (1.3*17000*3.1)+(1*1.98)+(0.5*18000*2*2.5)

Evaluating ... ...

q_u = 113511.98

STEP 3: Convert Result to Output's Unit

113511.98 Pascal -->113.51198 Kilopascal (Check conversion here)

FINAL ANSWER

113.51198 ≈ 113.512 Kilopascal <-- Net Bearing Capacity

(Calculation completed in 00.004 seconds)

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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 of Long Footing in Foundation Stability Analysis Formula

LaTeX Go

What is Net Bearing Capacity?

Net Bearing Capacity is the net soil pressure which can be safety applied to the soil considering only shear failure.

How to Calculate Net Bearing Capacity of Long Footing in Foundation Stability Analysis?

Net Bearing Capacity of Long Footing in Foundation Stability Analysis calculator uses 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) to calculate the Net Bearing Capacity, The Net Bearing Capacity of Long Footing in Foundation Stability Analysis formula is defined as the net bearing capacity per unit area of the footing. Net Bearing Capacity is denoted by q_u symbol.

How to calculate Net Bearing Capacity of Long Footing in Foundation Stability Analysis using this online calculator? To use this online calculator for Net Bearing Capacity of Long Footing in Foundation Stability Analysis, enter Alpha Footing Factor (α_f), Undrained Shear Strength of Soil (C_u), Bearing Capacity Factor (N_c), Effective Vertical Shear Stress in Soil (σ_vo), Bearing Capacity Factor Nq (N_q), Beta Footing Factor (β_f), Unit Weight of Soil (γ), Width of Footing (B) & Value of Nγ (N_γ) and hit the calculate button. Here is how the Net Bearing Capacity of Long Footing in Foundation Stability Analysis calculation can be explained with given input values -> 0.113512 = (1.3*17000*3.1)+(1*1.98)+(0.5*18000*2*2.5).

FAQ

What is Net Bearing Capacity of Long Footing in Foundation Stability Analysis?

The Net Bearing Capacity of Long Footing in Foundation Stability Analysis formula is defined as the net bearing capacity per unit area of the footing and is represented as q_u = (α_f*C_u*N_c)+(σ_vo*N_q)+(β_f*γ*B*N_γ) or 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). Alpha Footing Factor is a dimensionless coefficient that is used in bearing capacity equations. It modifies the ultimate bearing capacity of the 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, Bearing Capacity Factor is empirically derived factor used in a bearing capacity equation that usually correlates with the angle of internal friction of the soil, Effective Vertical Shear Stress in soil is the total vertical stress acting at a point below the ground surface is due to the weight of everything lying above soil, water, and surface loading, Bearing Capacity Factor Nq used in a bearing capacity equation that correlates with the angle of internal friction of soil, Beta Footing Factor in slope stability often relate to bearing capacity, safety factors, and load distribution. It is 0.5 for strip footings, 0.4 for square footings, and 0.6 for circular footings, Unit Weight of Soil is the ratio of the total weight of soil to the total volume of soil, Width of Footing is the shorter dimension of the footing & Value of Nγ is bearing capacity factor.

How to calculate Net Bearing Capacity of Long Footing in Foundation Stability Analysis?

The Net Bearing Capacity of Long Footing in Foundation Stability Analysis formula is defined as the net bearing capacity per unit area of the footing is calculated using 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). To calculate Net Bearing Capacity of Long Footing in Foundation Stability Analysis, you need Alpha Footing Factor (α_f), Undrained Shear Strength of Soil (C_u), Bearing Capacity Factor (N_c), Effective Vertical Shear Stress in Soil (σ_vo), Bearing Capacity Factor Nq (N_q), Beta Footing Factor (β_f), Unit Weight of Soil (γ), Width of Footing (B) & Value of Nγ (N_γ). With our tool, you need to enter the respective value for 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 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, 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. We can use 1 other way(s) to calculate the same, which is/are as follows -

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

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