Product specifications

User information Doka heavy-duty supporting system SL-1
7999759002 - 06/2008 Ü
The Formwork Experts
System description
Doka heavy-duty supporting system
SL-1 - the versatile system for tunnel
construction
The universal modular "kit" system of the Heavy-
duty supporting system SL-1 consists of steel gird-
ers and heavy-duty props that adapt easily and effi-
ciently to any shape and load. All system compo-
nents are available for rent.
A versatile system with high load-bearing
capacity
● small number of different parts
● quick to assemble (cuts costs)
● easy to brace using tie-rods (makes work easier
inside the HD supporting units)
● compatible with other Doka systems
● entire system can be rented (permits highly eco-
nomical solutions)
Can be used wherever there are high loads to
be transferred
● cut-and-cover tunnels
● in short-term assignments on underground
(bored) tunnels
● avalanche galleries and similar areas of use
Permitted loading of up to 420 kN per strut
● permits wide drive-through access openings
● ensures the very highest safety standards
Easy to reposition using hydraulic "Chain trav-
elling unit"
● moves the heavy-duty supporting unit to its next
location in just a few minutes
● requires only 1 man and a watchman for the
repositioning operation
● means swift, safe repositioning in every phase of
the work
Areas of use
Cut-and-cover tunnel construction
The Heavy-duty supporting system SL-1 is
mostly used in conjunction with compo-
nents of the Large-area formwork Top 50, or
of the Staxo and d2 load-bearing towers.
For this reason, read and follow the User
Information booklets for these systems as
well.