Geometric Design: Horizontal Alignment - Theory & Concepts - Superelevation

Principles of designing horizontal curves, calculating required superelevation rates, and ensuring adequate sight distances for safe vehicle operation.

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Superelevation Calculator

Design Speed (V): 80 km/h

Curve Radius (R): 400 m

Results

Max Safe Friction (

f_{\max}

):0.14

Required Superelevation (

e

):0.0%

Safe Design

F_c

Cross-section view (exaggerated forces)

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Superelevation Calculator

Results

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