来自MSN1 个月
Have you ever wondered why train tracks have stones? Here’s the answer
The crushed stones on railway tracks are called track ballast. Do you know why these stones are there? Many of us must have traveled by train at least once. When you travel by train, you must have ...
Railway Technology1 个月
Tensar Ballast Reinforcement Reduces Track Maintenance Costs
Tensar International reveals new data proving the ballast reinforcing benefits of its stiff polymer geogrids at RailTex 2007. The recent research conducted by Nottingham University and Network Rail ...