ballast ballast tamping Ballast, Ties, Rail Breaking News smart tamper track geometry Track Machinery Track Structure Wheel/Rail Interaction Conference Smart Rocks, Smart Tamper: Investigating the Mechanics of Ballast Tamping Guest authors April 3, 2024 0 ATLANTA – Railway Track & Structures, April 2024 Issue: There are many forces that work to deteriorate track geometry over time. These forces don’t begin and end at the wheel/rail interface; they are transmitted to the vehicles and their component…