Type BTD
SFS Hannover-Berlin,PFA 5.1/5.2 Gardelegen

System description

• Frost blanket in accordance with the required frostproof composition
• Cement-bound base or unbound base, designed according to the UIC 71 load pattern Reinforced concrete slab, where necessary with support strips, designed according to the UIC 71 load pattern
• Use of prestressed concrete ties with certified rail fasteners (e.g. IOARV 300)
• Screw anchors to fasten the prestressed concrete ties to the concrete base
• Use of UIC 60 ribbon rails or contractor‘s rails
• Sound-absorbing linings and soundproofing equipment, as required
• Field testing approval dated Oct. 8, 1996
• Tested in field service on the network of DB AG since 1996
• Application for certification filed with the Eisenbahn-Bundesamt (EBA)

• Optimized overall height
• High track position accuracy because the support profiling can be precision-ground subsequently, for instance
• No random cracks and no interfacial cracks by calculated cracking control Suitable for modernization and new lines
• Can be used on soil bodies, bridges and in tunnels
• Easy to repair in the event of damage (replacement of damaged ties, repair or replacement of the concrete base by high-early strength mortar or concrete)
• Ballasting of the track panel possible, reducing air-borne sound
• Short construction periods
• Low capital expenditur

	BTD with sound-absorbers, SFS Hanover-Berlin, PFA 5.1/5.2 Gardelegen
Central drainage for BTD system (directly supported track panel), SFS Hanover-Berlin, PFA 5.1/5.2 Gardelegen References: HEILIT+WOERNER Bau GmbH has laid more than 250 kilometers of rigid track alone

	Type BTD with doweled concrete slab on a cement-bound base
Type BTD with continuous longitudinal reinforcement on a cement-bound base

	Type BTD with continuous longitudinal reinforcement on a ballasted base
Type BTD with doweled concrete slab on a ballasted base

System Components [click to enlarge]

Rigid Track Segment on a bridge