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Curve Radius is the radius of a circle whose part, say, arc is taken for consideration. Check FAQs
RCurve=C2sin(Δ2)
RCurve - Curve Radius?C - Length of Long Chord?Δ - Deflection Angle?

Radius of Curve given Long Chord Example

With values
With units
Only example

Here is how the Radius of Curve given Long Chord equation looks like with Values.

Here is how the Radius of Curve given Long Chord equation looks like with Units.

Here is how the Radius of Curve given Long Chord equation looks like.

60.953Edit=65.5Edit2sin(65Edit2)
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Radius of Curve given Long Chord Solution

Follow our step by step solution on how to calculate Radius of Curve given Long Chord?

FIRST Step Consider the formula
RCurve=C2sin(Δ2)
Next Step Substitute values of Variables
RCurve=65.5m2sin(65°2)
Next Step Convert Units
RCurve=65.5m2sin(1.1345rad2)
Next Step Prepare to Evaluate
RCurve=65.52sin(1.13452)
Next Step Evaluate
RCurve=60.9529571420524m
LAST Step Rounding Answer
RCurve=60.953m

Radius of Curve given Long Chord Formula Elements

Variables
Functions
Curve Radius
Curve Radius is the radius of a circle whose part, say, arc is taken for consideration.
Symbol: RCurve
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Length of Long Chord
Length of Long Chord can be described as the distance from point of curvature to point of tangency.
Symbol: C
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Deflection Angle
Deflection Angle is the angle between the first sub chord of curve and the deflected line with equal measurement of first sub chord from tangent point.
Symbol: Δ
Measurement: AngleUnit: °
Note: Value should be between 0 to 360.
sin
Sine is a trigonometric function that describes the ratio of the length of the opposite side of a right triangle to the length of the hypotenuse.
Syntax: sin(Angle)

Other Formulas to find Curve Radius

​Go Radius of Curve given Length
RCurve=LCurveΔ
​Go Radius of Curve given Tangent
RCurve=Ttan(Δ2)
​Go Radius given Apex Distance
RCurve=Ladsec(Δ2)-1

Other formulas in Simple Circular Curve category

​Go Length of Curve
LCurve=RCurveΔ
​Go Deflection Angle given Length of Curve
Δ=LCurveRCurve
​Go Length of Curve if 30m Chord Definition
LCurve=30ΔD(180π)
​Go Length of Curve if 20m Chord Definition
LCurve=20ΔD(180π)

How to Evaluate Radius of Curve given Long Chord?

Radius of Curve given Long Chord evaluator uses Curve Radius = Length of Long Chord/(2*sin(Deflection Angle/2)) to evaluate the Curve Radius, The Radius of Curve given Long Chord formula is defined as the same as the radius of a circle from which part is taken as an arc or curve. Curve Radius is denoted by RCurve symbol.

How to evaluate Radius of Curve given Long Chord using this online evaluator? To use this online evaluator for Radius of Curve given Long Chord, enter Length of Long Chord (C) & Deflection Angle (Δ) and hit the calculate button.

FAQs on Radius of Curve given Long Chord

What is the formula to find Radius of Curve given Long Chord?
The formula of Radius of Curve given Long Chord is expressed as Curve Radius = Length of Long Chord/(2*sin(Deflection Angle/2)). Here is an example- 60.95296 = 65.5/(2*sin(1.1344640137961/2)).
How to calculate Radius of Curve given Long Chord?
With Length of Long Chord (C) & Deflection Angle (Δ) we can find Radius of Curve given Long Chord using the formula - Curve Radius = Length of Long Chord/(2*sin(Deflection Angle/2)). This formula also uses Sine function(s).
What are the other ways to Calculate Curve Radius?
Here are the different ways to Calculate Curve Radius-
  • Curve Radius=Length of Curve/Deflection AngleOpenImg
  • Curve Radius=Tangent Length/tan(Deflection Angle/2)OpenImg
  • Curve Radius=Apex Distance/(sec(Deflection Angle/2)-1)OpenImg
Can the Radius of Curve given Long Chord be negative?
No, the Radius of Curve given Long Chord, measured in Length cannot be negative.
Which unit is used to measure Radius of Curve given Long Chord?
Radius of Curve given Long Chord is usually measured using the Meter[m] for Length. Millimeter[m], Kilometer[m], Decimeter[m] are the few other units in which Radius of Curve given Long Chord can be measured.
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