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Structural Number for Subbase Course Formula

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Structural Number for Subbase Course can be described as the ability of the subbase course to withstand the axle loads. Check FAQs

SN 3 = (a n \cdot T a \cdot M n)

SN₃ - Structural Number for Subbase Course?a_n - Layer Coefficient?T_a - Actual Thickness Base Course Payment?M_n - Drainage coefficient?

Structural Number for Subbase Course Example

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Here is how the Structural Number for Subbase Course equation looks like with Values.

Here is how the Structural Number for Subbase Course equation looks like with Units.

Here is how the Structural Number for Subbase Course equation looks like.

150 = (0.5 \cdot 1200 \cdot 0.25)

150mm = (0.5 \cdot 1200mm \cdot 0.25)

150 = (0.5 \cdot 1200 \cdot 0.25)

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Structural Number for Subbase Course Solution

Follow our step by step solution on how to calculate Structural Number for Subbase Course?

FIRST Step Consider the formula

SN 3 = (a n \cdot T a \cdot M n)

Next Step Substitute values of Variables

∴

SN 3 = (0.5 \cdot 1200mm \cdot 0.25)

Next Step Prepare to Evaluate

∴

SN 3 = (0.5 \cdot 1200 \cdot 0.25)

Next Step Evaluate

∴

SN 3 = 0.15m

LAST Step Convert to Output's Unit

∴

SN 3 = 150mm

Structural Number for Subbase Course Formula Elements

Variables

Structural Number for Subbase Course

Structural Number for Subbase Course can be described as the ability of the subbase course to withstand the axle loads.

Symbol: SN₃

Measurement: LengthUnit: mm

Note: Value can be positive or negative.

Formulas to find Structural Number for Subbase Course

Layer Coefficient

Layer Coefficient can be represents the strength of the material, this is the primary variable that factors in the type of material you plan to use for each layer.

Symbol: a_n

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Layer Coefficient

Actual Thickness Base Course Payment

Actual Thickness Base Course Payment can be described as the design thickness of various layers of the courses for flexible payments.

Symbol: T_a

Measurement: LengthUnit: mm

Note: Value can be positive or negative.

Formulas to find Actual Thickness Base Course Payment

Drainage coefficient

Drainage coefficient is a value assigned to a pavement layer that represents its relative loss of strength due to drainage characteristics and exposure to moisture saturation.

Symbol: M_n

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Drainage coefficient

Other formulas in Structural Numbers for Flexible Pavements category

Go Structural Number to Withstand Anticipated Axle Loads

S N = SN 1 + SN 2 + SN 3

Go Structural Number for Surface Course

SN 1 = (a n \cdot D n)

Go Actual Thickness of Surface Course given Structural Number

D n = (\frac{SN 1}{a n})

Go Structural Number for Base Course

SN 2 = (a n \cdot T a \cdot M n)

How to Evaluate Structural Number for Subbase Course?

Structural Number for Subbase Course evaluator uses Structural Number for Subbase Course = (Layer Coefficient*Actual Thickness Base Course Payment*Drainage coefficient) to evaluate the Structural Number for Subbase Course, Structural Number for Subbase Course is defined as an abstract value that expresses the structural strength of the overall pavement. Structural Number for Subbase Course is denoted by SN₃ symbol.

How to evaluate Structural Number for Subbase Course using this online evaluator? To use this online evaluator for Structural Number for Subbase Course, enter Layer Coefficient (a_n), Actual Thickness Base Course Payment (T_a) & Drainage coefficient (M_n) and hit the calculate button.

FAQs on Structural Number for Subbase Course

What is the formula to find Structural Number for Subbase Course?

The formula of Structural Number for Subbase Course is expressed as Structural Number for Subbase Course = (Layer Coefficient*Actual Thickness Base Course Payment*Drainage coefficient). Here is an example- 150000 = (0.5*1.2*0.25).

How to calculate Structural Number for Subbase Course?

With Layer Coefficient (a_n), Actual Thickness Base Course Payment (T_a) & Drainage coefficient (M_n) we can find Structural Number for Subbase Course using the formula - Structural Number for Subbase Course = (Layer Coefficient*Actual Thickness Base Course Payment*Drainage coefficient).

Can the Structural Number for Subbase Course be negative?

Yes, the Structural Number for Subbase Course, measured in Length can be negative.

Which unit is used to measure Structural Number for Subbase Course?

Structural Number for Subbase Course is usually measured using the Millimeter[mm] for Length. Meter[mm], Kilometer[mm], Decimeter[mm] are the few other units in which Structural Number for Subbase Course can be measured.

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Structural Number for Subbase Course Formula

Structural Number for Subbase Course Example

Structural Number for Subbase Course Solution

Structural Number for Subbase Course Formula Elements

Other formulas in Structural Numbers for Flexible Pavements category

How to Evaluate Structural Number for Subbase Course?

FAQs on Structural Number for Subbase Course

Variable Name