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Net Bearing Capacity for Undrained Loading of Cohesive Soils Formula

GoNet Bearing Capacity of Long Footing in Foundation Stability Analysis Formula

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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. Check FAQs

q u = α f \cdot N q \cdot C u

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

Net Bearing Capacity for Undrained Loading of Cohesive Soils Example

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Here is how the Net Bearing Capacity for Undrained Loading of Cohesive Soils equation looks like with Values.

Here is how the Net Bearing Capacity for Undrained Loading of Cohesive Soils equation looks like with Units.

Here is how the Net Bearing Capacity for Undrained Loading of Cohesive Soils equation looks like.

43.758 = 1.3 \cdot 1.98 \cdot 17

43.758kPa = 1.3 \cdot 1.98 \cdot 17kPa

43.758 = 1.3 \cdot 1.98 \cdot 17

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Net Bearing Capacity for Undrained Loading of Cohesive Soils Solution

Follow our step by step solution on how to calculate Net Bearing Capacity for Undrained Loading of Cohesive Soils?

FIRST Step Consider the formula

q u = α f \cdot N q \cdot C u

Next Step Substitute values of Variables

∴

q u = 1.3 \cdot 1.98 \cdot 17kPa

Next Step Convert Units

∴

q u = 1.3 \cdot 1.98 \cdot 17000Pa

Next Step Prepare to Evaluate

∴

q u = 1.3 \cdot 1.98 \cdot 17000

Next Step Evaluate

∴

q u = 43758Pa

LAST Step Convert to Output's Unit

∴

q u = 43.758kPa

Net Bearing Capacity for Undrained Loading of Cohesive Soils Formula Elements

Variables

Net Bearing Capacity

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.

Symbol: q_u

Measurement: PressureUnit: kPa

Note: Value can be positive or negative.

Formulas to find Net Bearing Capacity

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.

Symbol: α_f

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Alpha Footing Factor

Bearing Capacity Factor Nq

Bearing Capacity Factor Nq used in a bearing capacity equation that correlates with the angle of internal friction of soil.

Symbol: N_q

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Bearing Capacity Factor Nq

Undrained Shear Strength 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.

Symbol: C_u

Measurement: PressureUnit: kPa

Note: Value should be greater than 0.

Formulas to find Undrained Shear Strength of Soil

Other Formulas to find Net Bearing Capacity

Go Net Bearing Capacity of Long Footing in Foundation Stability Analysis

q u = (α f \cdot C u \cdot N c) + (σ vo \cdot N q) + (β f \cdot γ \cdot B \cdot N γ)

Other formulas in Foundation Stability Analysis category

Go Maximum Bearing Pressure for Eccentric Loading Conventional Case

q m = (\frac{C g}{b \cdot L}) \cdot (1 + (\frac{6 \cdot e load}{b}))

Go Minimum Bearing Pressure for Eccentric Loading Conventional Case

q min = (\frac{P}{b \cdot L}) \cdot (1 - (\frac{6 \cdot e load}{b}))

Go Correction Factor Nc for Rectangle

N c = 1 + (\frac{B}{L}) \cdot (\frac{N q}{N c})

Go Correction Factor for Rectangle

N q = 1 + (\frac{B}{L}) \cdot (\tan (φ))

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

Net Bearing Capacity for Undrained Loading of Cohesive Soils evaluator uses Net Bearing Capacity = Alpha Footing Factor*Bearing Capacity Factor Nq*Undrained Shear Strength of Soil to evaluate 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 evaluate Net Bearing Capacity for Undrained Loading of Cohesive Soils using this online evaluator? To use this online evaluator 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.

FAQs on Net Bearing Capacity for Undrained Loading of Cohesive Soils

What is the formula to find Net Bearing Capacity for Undrained Loading of Cohesive Soils?

The formula of Net Bearing Capacity for Undrained Loading of Cohesive Soils is expressed as Net Bearing Capacity = Alpha Footing Factor*Bearing Capacity Factor Nq*Undrained Shear Strength of Soil. Here is an example- 0.043758 = 1.3*1.98*17000.

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

With Alpha Footing Factor (α_f), Bearing Capacity Factor Nq (N_q) & Undrained Shear Strength of Soil (C_u) we can find Net Bearing Capacity for Undrained Loading of Cohesive Soils using the formula - Net Bearing Capacity = Alpha Footing Factor*Bearing Capacity Factor Nq*Undrained Shear Strength of Soil.

What are the other ways to Calculate Net Bearing Capacity?

Here are the different ways to Calculate Net Bearing Capacity-

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)

Can the Net Bearing Capacity for Undrained Loading of Cohesive Soils be negative?

Yes, the Net Bearing Capacity for Undrained Loading of Cohesive Soils, measured in Pressure can be negative.

Which unit is used to measure Net Bearing Capacity for Undrained Loading of Cohesive Soils?

Net Bearing Capacity for Undrained Loading of Cohesive Soils is usually measured using the Kilopascal[kPa] for Pressure. Pascal[kPa], Bar[kPa], Pound Per Square Inch[kPa] are the few other units in which Net Bearing Capacity for Undrained Loading of Cohesive Soils can be measured.

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Net Bearing Capacity for Undrained Loading of Cohesive Soils Formula

​GoNet Bearing Capacity of Long Footing in Foundation Stability Analysis Formula

Net Bearing Capacity for Undrained Loading of Cohesive Soils Example

Net Bearing Capacity for Undrained Loading of Cohesive Soils Solution

Net Bearing Capacity for Undrained Loading of Cohesive Soils Formula Elements

Other Formulas to find Net Bearing Capacity

Other formulas in Foundation Stability Analysis category

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

FAQs on Net Bearing Capacity for Undrained Loading of Cohesive Soils

Variable Name

GoNet Bearing Capacity of Long Footing in Foundation Stability Analysis Formula