#highwayengineering — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #highwayengineering, aggregated by home.social.
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This is good #HighwayEngineering – cyclists have their own dedicated #TrafficLights, so that they can cross five lanes of traffic in safety.
#MyWork #MyPhoto #CCBYSA #Android #Spring #UK #Biking #Bicycle #Infrastructure #Engineering #UrbanEnvironment
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This is why #Engineers use #TransitionCurves in the form of #CornuSpirals or #Clothoids to connect from the straight segment onto a circular arc. It has the property that it starts with zero #curvature at the beginning and then the curvature increases linearly with distance travelled along the curve. At the appropriate curvature, it is connected to a circular arc with the same curvature.
#MyWork #WxMaxima #CivilEngineering #HighwayEngineering #CCBYSA
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A high-speed road or railway track that is poorly designed. The vehicle moves at constant speed from the straight segment of road or track directly onto a CircularArc and thereby encounters an instantaneous application of centripetal acceleration. This is neither good for the driver and passengers who will feel a sudden force outwards, nor for the vehicle which my skid and impose large stress changes in the axles and bearings.
#MyWork #WxMaxima #CivilEngineering #HighwayEngineering #CCBYSA