Product specifications

The Formwork Experts
18 999759002 - 06/2008 Ü
User information Doka heavy-duty supporting system SL-1
Joints between System beams SL-1
Preliminary remarks End-face join
Permitted internal forces
N
f
= actual normal force in the join
All standardised joins are statically dimensioned
as shear / bolt-bearing joins.
Warning!
Highly stressed threaded joints!
Risk of fracture if unsuitable screws are
used.
➤ When joining SL-1 system components,
ALWAYS use the appropriate Screw sets
SL-1 only.
➤ Use NEW Screw sets SL-1 every time the
equipment is re-assembled.
To prevent the joints working loose:
➤ Lubricate all bolts and nuts with WD40
spray.
➤ Fit washers facing the head and the nut of
each bolt.
➤ Tightening torque of the nuts: 150 Nm.
A System beam SL-1
B Screw-set M20x90 8.8 shank length 38mm
Permitted moment M [kNm]
Permitted shear force Q [kN]
G N
f
= 0 kN
H N
f
= 100 kN
I N
f
= 200 kN
J N
f
= 300 kN
TR585-200-01
A
A
B
G
H
I
J
M
N
M
200
180
160
140
120
100
80
60
40
20
0
020
40
60
80
100 120
140
160
180
220
200
240
260
9759-109a
35
Q
Q
N