Performance and cost-effectiveness of air disc brakes and air drum brakes for truck semi-trailers in different road and speed conditions

This study uses TruckSimTM to model disc brakes and drum on a fully loaded truck semi-trailer the performance of each brake type as downgrades speeds vary. The is measured based braking distance. A simplified economic comparison life cycle cost analysis determine which road vehicle conditions give rise cost-effectiveness performed. studies suggest that shorten distances by 10-20%. They also percentage reduction in distance speed increases downgrade gets steeper approximately 12-19%. Evidence provided trucking companies operating their vehicles steep terrain at high with could benefit from 12-80% long-term savings. Finally, societal level, preventing crashes arising rear-end collisions runaway incidents, save least $649 million annually.