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Psychological Widening on Horizontal Curves Formula

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Psychological Widening on Horizontal Curves is the extra width of pavement provided for psychological reasons such as overhangs of vehicles, greater clearance for crossing. Check FAQs

W ps = \frac{v}{9.5 \cdot {(R t)}^{0.5}}

W_ps - Psychological Widening on Horizontal Curves?v - Speed of Vehicle?R_t - Radius of Curve?

Psychological Widening on Horizontal Curves Example

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Here is how the Psychological Widening on Horizontal Curves equation looks like with Values.

Here is how the Psychological Widening on Horizontal Curves equation looks like with Units.

Here is how the Psychological Widening on Horizontal Curves equation looks like.

0.3039 = \frac{50}{9.5 \cdot {(300)}^{0.5}}

0.3039m = \frac{50km/h}{9.5 \cdot {(300m)}^{0.5}}

0.3039 = \frac{50}{9.5 \cdot {(300)}^{0.5}}

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Psychological Widening on Horizontal Curves Solution

Follow our step by step solution on how to calculate Psychological Widening on Horizontal Curves?

FIRST Step Consider the formula

W ps = \frac{v}{9.5 \cdot {(R t)}^{0.5}}

Next Step Substitute values of Variables

∴

W ps = \frac{50km/h}{9.5 \cdot {(300m)}^{0.5}}

Next Step Prepare to Evaluate

∴

W ps = \frac{50}{9.5 \cdot {(300)}^{0.5}}

Next Step Evaluate

∴

W ps = 0.303868562731382m

LAST Step Rounding Answer

∴

W ps = 0.3039m

Psychological Widening on Horizontal Curves Formula Elements

Variables

Psychological Widening on Horizontal Curves

Psychological Widening on Horizontal Curves is the extra width of pavement provided for psychological reasons such as overhangs of vehicles, greater clearance for crossing.

Symbol: W_ps

Measurement: LengthUnit: m

Note: Value can be positive or negative.

Formulas to find Psychological Widening on Horizontal Curves

Speed of Vehicle

Speed of Vehicle is defined as the instantaneous speed of an individual vehicle as it passes a speed Measurement point or as measured in a speedometer.

Symbol: v

Measurement: SpeedUnit: km/h

Note: Value should be greater than 0.

Formulas to find Speed of Vehicle

Radius of Curve

The Radius of Curve is defined as the horizontal curve with a specific radius which quantifies smoothness and ease of vehicle movement through a curve.

Symbol: R_t

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Radius of Curve

Other formulas in Extra Widening on Horizontal Curves category

Go Total Extra Widening required on Horizontal Curves wrt Wm and Wps

W e = (W ps + W m)

Go Total Extra Widening required on Horizontal Curves

W e = (\frac{n \cdot (l^{2})}{2 \cdot R t}) + (\frac{v}{9.5 \cdot ({R t}^{0.5})})

How to Evaluate Psychological Widening on Horizontal Curves?

Psychological Widening on Horizontal Curves evaluator uses Psychological Widening on Horizontal Curves = Speed of Vehicle/(9.5*(Radius of Curve)^0.5) to evaluate the Psychological Widening on Horizontal Curves, Psychological Widening on Horizontal Curves formula is defined as the extra width of pavement provided for psychological reasons such as overhangs of vehicles, greater clearance for crossing. Psychological Widening on Horizontal Curves is denoted by W_ps symbol.

How to evaluate Psychological Widening on Horizontal Curves using this online evaluator? To use this online evaluator for Psychological Widening on Horizontal Curves, enter Speed of Vehicle (v) & Radius of Curve (R_t) and hit the calculate button.

FAQs on Psychological Widening on Horizontal Curves

What is the formula to find Psychological Widening on Horizontal Curves?

The formula of Psychological Widening on Horizontal Curves is expressed as Psychological Widening on Horizontal Curves = Speed of Vehicle/(9.5*(Radius of Curve)^0.5). Here is an example- 0.303869 = 13.8888888888889/(9.5*(300)^0.5).

How to calculate Psychological Widening on Horizontal Curves?

With Speed of Vehicle (v) & Radius of Curve (R_t) we can find Psychological Widening on Horizontal Curves using the formula - Psychological Widening on Horizontal Curves = Speed of Vehicle/(9.5*(Radius of Curve)^0.5).

Can the Psychological Widening on Horizontal Curves be negative?

Yes, the Psychological Widening on Horizontal Curves, measured in Length can be negative.

Which unit is used to measure Psychological Widening on Horizontal Curves?

Psychological Widening on Horizontal Curves is usually measured using the Meter[m] for Length. Millimeter[m], Kilometer[m], Decimeter[m] are the few other units in which Psychological Widening on Horizontal Curves can be measured.

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