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Safe Bearing Capacity Formula

GoSafe Bearing Capacity given Net Ultimate Bearing Capacity Formula

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Safe Bearing Capacity is the maximum pressure which the soil can carry safely without risk of shear failure. Check FAQs

q sa = q nsa + (γ \cdot D footing)

q_sa - Safe Bearing Capacity?q_nsa - Net Safe Bearing Capacity in Soil?γ - Unit Weight of Soil?D_footing - Depth of Footing in Soil?

Safe Bearing Capacity Example

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With units

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Here is how the Safe Bearing Capacity equation looks like with Values.

Here is how the Safe Bearing Capacity equation looks like with Units.

Here is how the Safe Bearing Capacity equation looks like.

47.61 = 1.89 + (18 \cdot 2.54)

47.61kN/m² = 1.89kN/m² + (18kN/m³ \cdot 2.54m)

47.61 = 1.89 + (18 \cdot 2.54)

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Safe Bearing Capacity Solution

Follow our step by step solution on how to calculate Safe Bearing Capacity?

FIRST Step Consider the formula

q sa = q nsa + (γ \cdot D footing)

Next Step Substitute values of Variables

∴

q sa = 1.89kN/m² + (18kN/m³ \cdot 2.54m)

Next Step Convert Units

∴

q sa = 1890Pa + (18000N/m³ \cdot 2.54m)

Next Step Prepare to Evaluate

∴

q sa = 1890 + (18000 \cdot 2.54)

Next Step Evaluate

∴

q sa = 47610Pa

LAST Step Convert to Output's Unit

∴

q sa = 47.61kN/m²

Safe Bearing Capacity Formula Elements

Variables

Safe Bearing Capacity

Safe Bearing Capacity is the maximum pressure which the soil can carry safely without risk of shear failure.

Symbol: q_sa

Measurement: PressureUnit: kN/m²

Note: Value should be greater than 0.

Formulas to find Safe Bearing Capacity

Net Safe Bearing Capacity in Soil

Net Safe Bearing Capacity in Soil is the net ultimate bearing capacity divided by factor of safety.

Symbol: q_nsa

Measurement: PressureUnit: kN/m²

Note: Value should be greater than 0.

Formulas to find Net Safe Bearing Capacity in Soil

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.

Formulas to find Unit Weight of Soil

Depth of Footing in Soil

Depth of Footing in Soil is the depth at which the foundation of a structure is placed below the ground surface. This is crucial for ensuring the stability of the structure.

Symbol: D_footing

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Depth of Footing in Soil

Other Formulas to find Safe Bearing Capacity

Go Safe Bearing Capacity given Net Ultimate Bearing Capacity

q sa = (\frac{q net'}{FOS}) + (γ \cdot D footing)

Other formulas in Bearing Capacity of Soils category

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

q f = ((\frac{C}{\tan (Φ i)}) + (0.5 \cdot γ d \cdot B \cdot \sqrt{K P}) \cdot (K P \cdot \exp (π \cdot \tan (Φ i)) - 1))

Go Effective Surcharge given Depth of Footing

σ s = γ \cdot D

Go Ultimate Bearing Capacity

q f = q net + σ s

Go Net Ultimate Bearing Capacity given Ultimate Bearing Capacity

q net = q f - σ s

How to Evaluate Safe Bearing Capacity?

Safe Bearing Capacity evaluator uses Safe Bearing Capacity = Net Safe Bearing Capacity in Soil+(Unit Weight of Soil*Depth of Footing in Soil) to evaluate the Safe Bearing Capacity, The Safe Bearing Capacity formula is defined as the maximum pressure or load that can be applied to the soil without causing significant settlement or failure. Safe Bearing Capacity is denoted by q_sa symbol.

How to evaluate Safe Bearing Capacity using this online evaluator? To use this online evaluator for Safe Bearing Capacity, enter Net Safe Bearing Capacity in Soil (q_nsa), Unit Weight of Soil (γ) & Depth of Footing in Soil (D_footing) and hit the calculate button.

FAQs on Safe Bearing Capacity

What is the formula to find Safe Bearing Capacity?

The formula of Safe Bearing Capacity is expressed as Safe Bearing Capacity = Net Safe Bearing Capacity in Soil+(Unit Weight of Soil*Depth of Footing in Soil). Here is an example- 0.04761 = 1890+(18000*2.54).

How to calculate Safe Bearing Capacity?

With Net Safe Bearing Capacity in Soil (q_nsa), Unit Weight of Soil (γ) & Depth of Footing in Soil (D_footing) we can find Safe Bearing Capacity using the formula - Safe Bearing Capacity = Net Safe Bearing Capacity in Soil+(Unit Weight of Soil*Depth of Footing in Soil).

What are the other ways to Calculate Safe Bearing Capacity?

Here are the different ways to Calculate Safe Bearing Capacity-

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

Can the Safe Bearing Capacity be negative?

No, the Safe Bearing Capacity, measured in Pressure cannot be negative.

Which unit is used to measure Safe Bearing Capacity?

Safe Bearing Capacity 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 Safe Bearing Capacity can be measured.

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Safe Bearing Capacity Formula

​GoSafe Bearing Capacity given Net Ultimate Bearing Capacity Formula

Safe Bearing Capacity Example

Safe Bearing Capacity Solution

Safe Bearing Capacity Formula Elements

Other Formulas to find Safe Bearing Capacity

Other formulas in Bearing Capacity of Soils category

How to Evaluate Safe Bearing Capacity?

FAQs on Safe Bearing Capacity

Variable Name

GoSafe Bearing Capacity given Net Ultimate Bearing Capacity Formula