M Naveen
National Institute of Technology (NIT), Warangal
M Naveen has created this Calculator and 100+ more calculators!
Chandana P Dev
NSS College of Engineering (NSSCE), Palakkad
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11 Other formulas that you can solve using the same Inputs

Rate of increase of radial acceleration when minimum length of spiral given
Rate of increase of radial acceleration= (3.15*(Vehicle velocity)^3)/ (Minimum length of a spiral*Radius of the circular curve) GO
Radius of a circular curve when minimum length is given
Radius of the circular curve= (3.15*(Vehicle velocity^3))/(Minimum length of a spiral*Rate of increase of radial acceleration) GO
Vehicle velocity when minimum length of spiral given
Vehicle velocity=((Minimum length of a spiral*Radius of the circular curve*Rate of increase of radial acceleration)/3.15)^(1/3) GO
Central angle of curve when length of long chord is given
Central angle of curve= Length of long chord/(2*Radius of the circular curve*sin(1/2)) GO
Length of long chord(Exact)
Length of long chord= 2*Radius of the circular curve*sin(1/2)*Central angle of curve GO
Exeternal distance(Exact)
External distance= Radius of the circular curve*(sec(1/2)*Central angle of curve-1) GO
central angle of curve when tangent distance is given
Central angle of curve= Tangent distance/sin(1/2)*Radius of the circular curve GO
Tangent distance(Exact)
Tangent distance= Radius of the circular curve*tan(1/2)*Central angle of curve GO
Tangent offset for chord of length(approximate)
Tangent offset= Length of curve^2/(2*Radius of the circular curve) GO
Degree of curve when radius of curve is given(exact for chord definition)
Degree of curve=50/(sin(1/2)*Radius of the circular curve) GO
Degree of curve when radius of curve is given(exact for arc definition, approx for chord definition)
Degree of curve=5729.578/Radius of the circular curve GO

Minimum length of a spiral Formula

Minimum length of a spiral= (3.15*(Vehicle velocity^3))/(Radius of the circular curve*Rate of increase of radial acceleration)
L<sub>= (3.15*(V<sub>^3))/(R<sub>*C<sub>)
More formulas
Vehicle velocity when minimum length of spiral given GO
Radius of a circular curve when minimum length is given GO
Rate of increase of radial acceleration when minimum length of spiral given GO
Rate of change of grade in parabolic curves GO
Length of curve when rate of change of grade is given in parabolic curves GO
Elevation of PVC(point of vertical curvature) GO
Elevation of PVI(point of vertical intersection) when elevation of PVC is given GO
elevation of point x distant from PVC(point of vertical curvature) GO
grade at beginning of curve when elevation of point x distant from PVC is given GO
Distance from PVC to Lowest Point on a Sag Curve GO
Rate of change of grade when distance from PVC to lowest point on a sag curve is given GO
Elevation of lowest point on a sag curve GO
Elevation of PVC when elevation of lowest point on a sag curve is given GO
design pressure(Pv) acting on the steel GO
design pressure(Pv) if the height of cover is less than one pipe diameter GO
design pressure(Pv) when the height of cover is equal to, or greater than, one pipe diameter GO
Total load when design pressure(Pv) is given GO
Compressive thrust on the conduit wall GO
Design pressure(Pv) when compressive thrust is given GO
Compressive thrust when axial load is given GO
The ultimate wall stress when the ratio D/r does not exceed 294 GO
The ultimate wall stress when the ratio D/r r exceeds 294 but not 500 GO
The ultimate wall stress when the ratio D/r is more than 500 GO
Design stress when saftey factor 2 is applied. GO
Required wall area of width when allowable stress is given GO
Flexibilty factor limits GO
Metal thickness when flexibility factor is given GO
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
Structural Number for the Subbase Course 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
Radius of curve(approximate for chord definition) GO
Radius of curve(exact for chord definition) GO
Tangent distance(Exact) GO
Degree of curve when radius of curve is given(exact for arc definition, approx for chord definition) GO
Degree of curve when radius of curve is given(exact for chord definition) GO
radius of curve when tangent distance is given GO
central angle of curve when tangent distance is given GO
Exeternal distance(Exact) GO
Radius of curve when external distance is given GO
Radius of curve when midordinate is given GO
Length of long chord(Exact) GO
Radius of curve when length of long chord is given GO
Central angle of curve when length of long chord is given GO
Length of curve(Exact) GO
Degree of curve when length of curve is given GO
Central angle of curve when length of curve is given GO
Central angle for portion of curve(exact for arc definition) GO
Degree of curve when central angle for portion of curve GO
Length of curve when central angle for portion of curve is given GO
Central angle for portion of curve(approximate for chord definition) GO
Length of curve (chord) determined by central angle when central angle for portion of curve is given GO
Tangent offset for chord of length(approximate) GO
Length of curve (chord) determined by central angle when tangent offset for chord of length is given GO
Radius of curve when tangent offset for chord of length is given GO
chord offset for chord of length(approximate) GO
Length of curve (chord) determined by central angle when chord offset for chord of length is given GO
Radius of curve when chord offset for chord of length is given GO
Thrust of structure GO
Span diameter when thrust is given GO
Live load pressure when thrust is given GO
Dead load pressure when thrust is given GO
Flexibility factor GO
Pipe diameter when flexibility factor is given GO
Modulus of elasticity when flexibility factor is given GO
Moment of inertia when flexibility factor is given GO
Bulking stress GO
Soil stiffness factor when bulking stress is given GO
Pipe diamter when bulking stress is given GO
Radius of gyration when bulking stress is given GO
Bulking stress For diameters greater than 126.5r/K GO
modulus of elasticity when Bulking stress For diameters greater than 126.5r/K is given GO
soil stiffness factor when Bulking stress For diameters greater than 126.5r/K is given GO
Pipe diameter when Bulking stress For diameters greater than 126.5r/K is given GO
Radius of gyration when Bulking stress For diameters greater than 126.5r/K is given GO

what is minimum spiral length?

What is minimum spiral length is defined as the minimum circular curve length required to avoid the sudden impact of centrifugal force.

How to Calculate Minimum length of a spiral?

Minimum length of a spiral calculator uses Minimum length of a spiral= (3.15*(Vehicle velocity^3))/(Radius of the circular curve*Rate of increase of radial acceleration) to calculate the Minimum length of a spiral, The Minimum length of a spiral formula is defined as a three-dimensional curve that turns around an axis at a constant or continuously varying distance while moving parallel to the axis. Minimum length of a spiral and is denoted by L symbol.

How to calculate Minimum length of a spiral using this online calculator? To use this online calculator for Minimum length of a spiral, enter Vehicle velocity (V, Radius of the circular curve (R and Rate of increase of radial acceleration (C and hit the calculate button. Here is how the Minimum length of a spiral calculation can be explained with given input values -> 2250.514 = (3.15*(27.7777777777778^3))/(15*2).

FAQ

What is Minimum length of a spiral?
The Minimum length of a spiral formula is defined as a three-dimensional curve that turns around an axis at a constant or continuously varying distance while moving parallel to the axis and is represented as L or Minimum length of a spiral= (3.15*(Vehicle velocity^3))/(Radius of the circular curve*Rate of increase of radial acceleration). Vehicle velocity can be described as the amount of distance vehicle travelled in a perticular time, Radius of the circular curve can be defined as the radius at which the spiral is joined and Rate of increase of radial acceleration can be defined as an empirical value indicative of the comfort and safety involved.
How to calculate Minimum length of a spiral?
The Minimum length of a spiral formula is defined as a three-dimensional curve that turns around an axis at a constant or continuously varying distance while moving parallel to the axis is calculated using Minimum length of a spiral= (3.15*(Vehicle velocity^3))/(Radius of the circular curve*Rate of increase of radial acceleration). To calculate Minimum length of a spiral, you need Vehicle velocity (V, Radius of the circular curve (R and Rate of increase of radial acceleration (C. With our tool, you need to enter the respective value for Vehicle velocity, Radius of the circular curve and Rate of increase of radial acceleration 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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