Operating Standard of Manual Cleaning Bed Without Breaking Bottom
The depth of track clearance: the center of the single line is generally 50 ~ 100 mm under the sleeper, the rail pillow is 150 ~ 200 mm under the sleeper, and the outer side of the rail pillow is dug to the roadbed surface; The inside of the double track line is 50 mm under the sleeper, the center of the track is 100 mm under the pillow, the outer rail pillow is 150 mm under the sleeper, and the outer side of the rail pillow is sloping to the roadbed surface.
The depth of turnout clearance is generally 100 mm under the sleeper in the pillow box, 150 mm under the outer rail, and 200 mm at the bottom of the sleeper at the end of the pillow.
Both sides of the drainage slope must be formed where conditions permit.
The width of the top surface of the track bed and the slope of the slope shall comply with the provisions of Article 3.2.2 of the Regulations on Repair of Railway Lines (No.2006/146) and Article 3.1.3 of the maintenance rules of the railway bridge equipment with the speed of 200 ~ 250 km/h.
Cut section shall not throw sieve residue on cutting slope.