PSHN 1-13-325 halfpipes according to TU 32-58-25-92 (Correspondent 2006).
Reinforced concrete half-timbers are used, as a rule, for the reconstruction and construction of crane tracks, both in indoor hangar-type rooms and on the street, as well as for drain overpasses and the organization of VSP in tunnels.
Their main advantage over wooden half—sleepers is an extended service life, which ultimately leads both to a reduction in material costs for maintenance and repair, and to reliable and safe operation of the crane track for many, many years.