The U-shaped linear trench drain system uses the U-shaped cross section and the resin concrete footings,and the resin concrete is made from resin and quartz sand fillers,which has a long life and good anti-corrosion performances,with the advantages of smooth surface,high strength,light weight,and cold resistance and snowmelt stainless steel stc.,It applies to various load levels from A15 to E600 stipulated by European standard EN1433, and is widely used for sidewalks,public transport roads, public squares,car parks,and the areas that allow various types of vehicles to enter.