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Quasi Constant Value for Piles in Sands Formula

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Quasi Constant Value is reached after penetrations of the bearing stratum in the range of 10 to 20 pile diameters. Check FAQs

q l = 0.5 \cdot N q \cdot \tan (Φ i)

q_l - Quasi Constant Value?N_q - Bearing Capacity Factor?Φ_i - Angle of Internal Friction of Soil?

Quasi Constant Value for Piles in Sands Example

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Here is how the Quasi Constant Value for Piles in Sands equation looks like with Values.

Here is how the Quasi Constant Value for Piles in Sands equation looks like with Units.

Here is how the Quasi Constant Value for Piles in Sands equation looks like.

12.0315 = 0.5 \cdot 3.01 \cdot \tan (82.87)

12.0315 = 0.5 \cdot 3.01 \cdot \tan (82.87°)

12.0315 = 0.5 \cdot 3.01 \cdot \tan (82.87)

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Quasi Constant Value for Piles in Sands Solution

Follow our step by step solution on how to calculate Quasi Constant Value for Piles in Sands?

FIRST Step Consider the formula

q l = 0.5 \cdot N q \cdot \tan (Φ i)

Next Step Substitute values of Variables

∴

q l = 0.5 \cdot 3.01 \cdot \tan (82.87°)

Next Step Convert Units

∴

q l = 0.5 \cdot 3.01 \cdot \tan (1.4464rad)

Next Step Prepare to Evaluate

∴

q l = 0.5 \cdot 3.01 \cdot \tan (1.4464)

Next Step Evaluate

∴

q l = 12.0314969886572

LAST Step Rounding Answer

∴

q l = 12.0315

Quasi Constant Value for Piles in Sands Formula Elements

Variables

Functions

Quasi Constant Value

Quasi Constant Value is reached after penetrations of the bearing stratum in the range of 10 to 20 pile diameters.

Symbol: q_l

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Quasi Constant Value

Bearing Capacity Factor

Bearing Capacity Factor is a dimensionless coefficient used in geotechnical engineering to determine the bearing capacity of soil under a foundation.

Symbol: N_q

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Bearing Capacity Factor

Angle of Internal Friction of Soil

Angle of Internal Friction of Soil is a measure of the shear strength of soil due to friction.

Symbol: Φ_i

Measurement: AngleUnit: °

Note: Value should be between -180 to 180.

Formulas to find Angle of Internal Friction of Soil

tan

The tangent of an angle is a trigonometric ratio of the length of the side opposite an angle to the length of the side adjacent to an angle in a right triangle.

Syntax: tan(Angle)

Other formulas in Toe Capacity Load category

Go Ultimate Tip Load for Piles Installed in Cohesive Soils

Q b = A b \cdot N c \cdot C u

How to Evaluate Quasi Constant Value for Piles in Sands?

Quasi Constant Value for Piles in Sands evaluator uses Quasi Constant Value = 0.5*Bearing Capacity Factor*tan(Angle of Internal Friction of Soil) to evaluate the Quasi Constant Value, The Quasi Constant Value for Piles in Sands formula is defined as the ultimate shaft resistance of piles driven into sandy soils. This value represents a somewhat consistent resistance that the pile shaft experiences during driving, particularly in cohesion less soils like sands. Quasi Constant Value is denoted by q_l symbol.

How to evaluate Quasi Constant Value for Piles in Sands using this online evaluator? To use this online evaluator for Quasi Constant Value for Piles in Sands, enter Bearing Capacity Factor (N_q) & Angle of Internal Friction of Soil (Φ_i) and hit the calculate button.

FAQs on Quasi Constant Value for Piles in Sands

What is the formula to find Quasi Constant Value for Piles in Sands?

The formula of Quasi Constant Value for Piles in Sands is expressed as Quasi Constant Value = 0.5*Bearing Capacity Factor*tan(Angle of Internal Friction of Soil). Here is an example- 12.0315 = 0.5*3.01*tan(1.44635435112743).

How to calculate Quasi Constant Value for Piles in Sands?

With Bearing Capacity Factor (N_q) & Angle of Internal Friction of Soil (Φ_i) we can find Quasi Constant Value for Piles in Sands using the formula - Quasi Constant Value = 0.5*Bearing Capacity Factor*tan(Angle of Internal Friction of Soil). This formula also uses Tangent (tan) function(s).

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