Created by rhiannonsian
over 9 years ago
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Question | Answer |
Tangent points | TP1 and TP2 are the tangent points where the circular curve touches the straights |
Intersection point | I is the intersection point of the two straights |
Tangent Distance | TP1–I & TP2-I are the Tangent distance |
Circular curve (arc) | TP1–P-TP2 is the circular curve (Arc) between the two tangent points |
Circular Curve (arc) contd. | Lc is the length of the circular curve = Arc Length P is the mid-point of the circular curve |
Long Chord | S is the mid-point of the long chord PS is Height of Long Chord |
Deflection angle β | β = Deflection Angle + = right hand curve - = left hand curve |
Radius | R is the Radius of Curvature of the circular curve |
External distance | External Distance = PI |
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