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Depth of Footing given Safe Bearing Capacity Formula

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Depth of Footing is the vertical distance from the ground surface to the base of a foundation. It is a critical parameter that influences the structural stability of buildings and infrastructure. Check FAQs

D = \frac{q s' - q nsa}{γ}

D - Depth of Footing?q_s' - Safe Bearing Capacity of Soil?q_nsa - Net Safe Bearing Capacity in Soil?γ - Unit Weight of Soil?

Depth of Footing given Safe Bearing Capacity Example

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Here is how the Depth of Footing given Safe Bearing Capacity equation looks like with Values.

Here is how the Depth of Footing given Safe Bearing Capacity equation looks like with Units.

Here is how the Depth of Footing given Safe Bearing Capacity equation looks like.

25 = \frac{2.34 - 1.89}{18}

25m = \frac{2.34kN/m² - 1.89kN/m²}{18kN/m³}

25 = \frac{2.34 - 1.89}{18}

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Depth of Footing given Safe Bearing Capacity Solution

Follow our step by step solution on how to calculate Depth of Footing given Safe Bearing Capacity?

FIRST Step Consider the formula

D = \frac{q s' - q nsa}{γ}

Next Step Substitute values of Variables

∴

D = \frac{2.34kN/m² - 1.89kN/m²}{18kN/m³}

Next Step Convert Units

∴

D = \frac{2340Pa - 1890Pa}{18kN/m³}

Next Step Prepare to Evaluate

∴

D = \frac{2340 - 1890}{18}

LAST Step Evaluate

∴

D = 25m

Depth of Footing given Safe Bearing Capacity Formula Elements

Variables

Depth of Footing

Depth of Footing is the vertical distance from the ground surface to the base of a foundation. It is a critical parameter that influences the structural stability of buildings and infrastructure.

Symbol: D

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Depth of Footing

Safe Bearing Capacity of Soil

Safe Bearing Capacity of Soil is the maximum pressure that can be applied to the soil such that it remains stable and can support the load without undergoing excessive settlement.

Symbol: q_s'

Measurement: PressureUnit: kN/m²

Note: Value should be greater than 0.

Formulas to find Safe Bearing Capacity of Soil

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

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 Depth of Footing given Safe Bearing Capacity?

Depth of Footing given Safe Bearing Capacity evaluator uses Depth of Footing = (Safe Bearing Capacity of Soil-Net Safe Bearing Capacity in Soil)/Unit Weight of Soil to evaluate the Depth of Footing, The Depth of Footing given Safe Bearing Capacity formula is defined as the vertical distance from the ground surface to the base of a foundation (footing) that supports a structure. This depth is determined based on the Safe Bearing Capacity (SBC) of the soil, which is the maximum pressure that soil can withstand without risk of shear failure. Depth of Footing is denoted by D symbol.

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

FAQs on Depth of Footing given Safe Bearing Capacity

What is the formula to find Depth of Footing given Safe Bearing Capacity?

The formula of Depth of Footing given Safe Bearing Capacity is expressed as Depth of Footing = (Safe Bearing Capacity of Soil-Net Safe Bearing Capacity in Soil)/Unit Weight of Soil. Here is an example- 25 = (2340-1890)/18000.

How to calculate Depth of Footing given Safe Bearing Capacity?

With Safe Bearing Capacity of Soil (q_s'), Net Safe Bearing Capacity in Soil (q_nsa) & Unit Weight of Soil (γ) we can find Depth of Footing given Safe Bearing Capacity using the formula - Depth of Footing = (Safe Bearing Capacity of Soil-Net Safe Bearing Capacity in Soil)/Unit Weight of Soil.

Can the Depth of Footing given Safe Bearing Capacity be negative?

No, the Depth of Footing given Safe Bearing Capacity, measured in Length cannot be negative.

Which unit is used to measure Depth of Footing given Safe Bearing Capacity?

Depth of Footing given Safe Bearing Capacity is usually measured using the Meter[m] for Length. Millimeter[m], Kilometer[m], Decimeter[m] are the few other units in which Depth of Footing given Safe Bearing Capacity can be measured.

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Depth of Footing given Safe Bearing Capacity Formula

Depth of Footing given Safe Bearing Capacity Example

Depth of Footing given Safe Bearing Capacity Solution

Depth of Footing given Safe Bearing Capacity Formula Elements

Other formulas in Bearing Capacity of Soils category

How to Evaluate Depth of Footing given Safe Bearing Capacity?

FAQs on Depth of Footing given Safe Bearing Capacity

Variable Name