Structural Number for the Subbase Course Calculator

Category	Engineering ↺
Engineering	Civil ↺
Civil	Highway and road ↺
Highway-And-Road	Structural numbers for flexible pavements ↺

✖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ⓘ Layer coefficient [a_n]			+10% -10%
✖Actual thickness can be described as the design thickness of various layers of the cources for the flexible paymentsⓘ Actual thickness [D_n]			+10% -10%
✖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.ⓘ Drainage coefficient [M_n]			+10% -10%

✖Structural number for the subbase course can be described as the ability of subbase course to withstand the axle loadsⓘ Structural Number for the Subbase Course [SN₃]

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Structural Number for the Subbase Course

M Naveen

National Institute of Technology (NIT), Warangal

M Naveen has created this Calculator and 100+ more calculators!

Himanshi Sharma

Bhilai Institute of Technology (BIT), Raipur

Himanshi Sharma has verified this Calculator and 500+ more calculators!

< 10 Other formulas that you can solve using the same Inputs

Drainage Coefficient for the Subbase when Structural Number is Given

Drainage coefficient= Structural number for the subbase course/ (Layer coefficient*Actual thickness) GO

Layer Coefficient for the Subbase Course When Structural Number is Given

Layer coefficient= Structural number for the subbase course/(Actual thickness*Drainage coefficient) GO

Actual Thickness of the Subbase Course when Structural Number is Given

Actual thickness= Structural number for the subbase course/(Layer coefficient*Drainage coefficient) GO

Drainage Coefficient for the Base Course when Structural Number is Given

Drainage coefficient=Structural number for the base course/ (Layer coefficient*Actual thickness) GO

Layer Coefficient for the Base Course when Structural Number is Given

Layer coefficient= Structural number for the base course/(Actual thickness*Drainage coefficient) GO

Actual Thickness of the Base Course when Structural Number is Given

Actual thickness= Structural number for the base course/(Layer coefficient*Drainage coefficient) GO

Structural Number for the Base Course

Structural number for the base course= (Layer coefficient*Actual thickness*Drainage coefficient) GO

Layer Coefficient for the Surface Course when Structural Number is Given

Layer coefficient= (Structural number for the surface course/Actual thickness) GO

Actual Thickness of the Surface Course when Structural Number is Given

Actual thickness= (Structural number for the surface course/Layer coefficient) GO

Structural Number for the Surface Course

Structural number for the surface course= (Layer coefficient*Actual thickness) GO

Structural Number for the Subbase Course Formula

Structural number for the subbase course=(Layer coefficient*Actual thickness*Drainage coefficient)
SN3=(an*Dn*Mn)

More formulas

Structural Number to Withstand Anticipated Axle Loads GO

Structural Number for the Surface Course GO

Actual Thickness of the Surface Course when Structural Number is Given GO

Structural Number for the Base Course GO

Layer Coefficient for the Surface Course when Structural Number is Given GO

Layer Coefficient for the Base Course when Structural Number is Given GO

Actual Thickness of the Base Course when Structural Number is Given GO

Drainage Coefficient for the Base Course when Structural Number is Given GO

Layer Coefficient for the Subbase Course When Structural Number is Given GO

Actual Thickness of the Subbase Course when Structural Number is Given GO

Drainage Coefficient for the Subbase when Structural Number is Given GO

What is subbase course?

The layer between the base course and subgrade, Subbase courses are generally constructed out of crushed aggregate or engineered fill.

How to Calculate Structural Number for the Subbase Course?

Structural Number for the Subbase Course calculator uses Structural number for the subbase course=(Layer coefficient*Actual thickness*Drainage coefficient) to calculate the Structural number for the subbase course, Structural Number for the Subbase Course is defined as an abstract value that expresses the structural strength of the overall pavement. Structural number for the subbase course and is denoted by SN₃ symbol.

How to calculate Structural Number for the Subbase Course using this online calculator? To use this online calculator for Structural Number for the Subbase Course, enter Layer coefficient (a_n), Actual thickness (D_n) and Drainage coefficient (M_n) and hit the calculate button. Here is how the Structural Number for the Subbase Course calculation can be explained with given input values -> 75 = (0.5*0.15*1).

FAQ

What is Structural Number for the Subbase Course?

Structural Number for the Subbase Course is defined as an abstract value that expresses the structural strength of the overall pavement and is represented as SN₃=(a_n*D_n*M_n) or Structural number for the subbase course=(Layer coefficient*Actual thickness*Drainage 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, Actual thickness can be described as the design thickness of various layers of the cources for the flexible payments and 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.

How to calculate Structural Number for the Subbase Course?

Structural Number for the Subbase Course is defined as an abstract value that expresses the structural strength of the overall pavement is calculated using Structural number for the subbase course=(Layer coefficient*Actual thickness*Drainage coefficient). To calculate Structural Number for the Subbase Course, you need Layer coefficient (a_n), Actual thickness (D_n) and Drainage coefficient (M_n). With our tool, you need to enter the respective value for Layer coefficient, Actual thickness and Drainage coefficient and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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