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Structural Number for Surface Course Formula

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Structural Number for Surface Course can be described as the ability of the surface course that can withstand the axle loads. Check FAQs

SN 1 = (a n \cdot D n)

SN₁ - Structural Number for Surface Course?a_n - Layer Coefficient?D_n - Actual Thickness?

Structural Number for Surface Course Example

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

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

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

150 = (0.5 \cdot 300)

150mm = (0.5 \cdot 300mm)

150 = (0.5 \cdot 300)

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Structural Number for Surface Course Solution

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

FIRST Step Consider the formula

SN 1 = (a n \cdot D n)

Next Step Substitute values of Variables

∴

SN 1 = (0.5 \cdot 300mm)

Next Step Prepare to Evaluate

∴

SN 1 = (0.5 \cdot 300)

Next Step Evaluate

∴

SN 1 = 0.15m

LAST Step Convert to Output's Unit

∴

SN 1 = 150mm

Structural Number for Surface Course Formula Elements

Variables

Structural Number for Surface Course

Structural Number for Surface Course can be described as the ability of the surface course that can withstand the axle loads.

Symbol: SN₁

Measurement: LengthUnit: mm

Note: Value can be positive or negative.

Formulas to find Structural Number for Surface 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

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

Symbol: D_n

Measurement: LengthUnit: mm

Note: Value can be positive or negative.

Formulas to find Actual Thickness

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 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)

Go Layer Coefficient of Surface Course using Structural Number

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

How to Evaluate Structural Number for Surface Course?

Structural Number for Surface Course evaluator uses Structural Number for Surface Course = (Layer Coefficient*Actual Thickness) to evaluate the Structural Number for Surface Course, Structural Number for Surface Course can be defined as the ability of the surface course to withstand the axle loads acting on pavements. Structural Number for Surface Course is denoted by SN₁ symbol.

How to evaluate Structural Number for Surface Course using this online evaluator? To use this online evaluator for Structural Number for Surface Course, enter Layer Coefficient (a_n) & Actual Thickness (D_n) and hit the calculate button.

FAQs on Structural Number for Surface Course

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

The formula of Structural Number for Surface Course is expressed as Structural Number for Surface Course = (Layer Coefficient*Actual Thickness). Here is an example- 150000 = (0.5*0.3).

How to calculate Structural Number for Surface Course?

With Layer Coefficient (a_n) & Actual Thickness (D_n) we can find Structural Number for Surface Course using the formula - Structural Number for Surface Course = (Layer Coefficient*Actual Thickness).

Can the Structural Number for Surface Course be negative?

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

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

Structural Number for Surface 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 Surface Course can be measured.

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Structural Number for Surface Course Formula

Structural Number for Surface Course Example

Structural Number for Surface Course Solution

Structural Number for Surface Course Formula Elements

Other formulas in Structural Numbers for Flexible Pavements category

How to Evaluate Structural Number for Surface Course?

FAQs on Structural Number for Surface Course

Variable Name