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American iron and steel institute(AISI) design procedure (14)

- Compressive thrust on the conduit wall
- Compressive thrust when axial load is given
- design pressure(Pv) acting on the steel
- design pressure(Pv) if the height of cover is less than one pipe diameter
- Design pressure(Pv) when compressive thrust is given
- design pressure(Pv) when the height of cover is equal to, or greater than, one pipe diameter
- Design stress when saftey factor 2 is applied.
- Flexibilty factor limits
- Metal thickness when flexibility factor is given
- Required wall area of width when allowable stress is given
- 4 More formulas!

Circular curves (27)

- Central angle for portion of curve(approximate for chord definition)
- Central angle for portion of curve(exact for arc definition)
- Central angle of curve when length of curve is given
- Central angle of curve when length of long chord is given
- central angle of curve when tangent distance is given
- chord offset for chord of length(approximate)
- Degree of curve when central angle for portion of curve
- Degree of curve when length of curve is given
- Degree of curve when radius of curve is given(exact for arc definition, approx for chord definition)
- Degree of curve when radius of curve is given(exact for chord definition)
- 17 More formulas!

Designing highway culverts (17)

- Bulking stress
- Bulking stress For diameters greater than 126.5r/K
- Dead load pressure when thrust is given
- Flexibility factor
- Live load pressure when thrust is given
- modulus of elasticity when Bulking stress For diameters greater than 126.5r/K is given
- Modulus of elasticity when flexibility factor is given
- Moment of inertia when flexibility factor is given
- Pipe diameter when Bulking stress For diameters greater than 126.5r/K is given
- Pipe diameter when flexibility factor is given
- 7 More formulas!

Parabolic curves (10)

- Distance from PVC to Lowest Point on a Sag Curve
- Elevation of lowest point on a sag curve
- elevation of point x distant from PVC(point of vertical curvature)
- Elevation of PVC when elevation of lowest point on a sag curve is given
- Elevation of PVC(point of vertical curvature)
- Elevation of PVI(point of vertical intersection) when elevation of PVC is given
- grade at beginning of curve when elevation of point x distant from PVC is given
- Length of curve when rate of change of grade is given in parabolic curves
- Rate of change of grade in parabolic curves
- Rate of change of grade when distance from PVC to lowest point on a sag curve is given
- 0 More formulas!

Structural numbers for flexible pavements (12)

- Actual Thickness of the Base Course when Structural Number is Given
- Actual Thickness of the Subbase Course when Structural Number is Given
- Actual Thickness of the Surface Course when Structural Number is Given
- Drainage Coefficient for the Base Course when Structural Number is Given
- Drainage Coefficient for the Subbase when Structural Number is Given
- Layer Coefficient for the Base Course when Structural Number is Given
- Layer Coefficient for the Subbase Course When Structural Number is Given
- Layer Coefficient for the Surface Course when Structural Number is Given
- Structural Number for the Base Course
- Structural Number for the Subbase Course
- 2 More formulas!

Highway and road calculators give you a list of online Highway and road calculators. A tool perform calculations on the concepts and applications for Highway and road calculations.

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