Series of bearers in cap for expansion apparatus HL composed by n. 10 pieces of HL1, n. 1 piece of HL2 e n. 1 piece of HL3
HL1
Lenght from 2600 mm
Width: 300 mm
Depth at rail seat: 220 mm
Mass: 410 kg
HL2/HL3
Lenght: 2600 mm
Width: 300 mm
Depth at rail seat: 220 mm
Mass: 485 kg
Mk,r,pos, Mk,c,neg: design bending moments
the same as standard sleepers and bearers in c.a.p.
for track RFI