Unbonded Post-Tensioning System

DYWIDAG Ring Tendons Type M

tendon type ultimate load anchor block recess duct  (bonded)
with strands 0.62"0.62" a b c A B L R 1)  (unbonded) L R 1)  (bonded) u/v Øi
St1660/1860[kN] [mm] [mm] [mm] [mm] [mm] [mm] [mm] [mm] [mm]
6802558 105 90 120 130 155 1,300 1,200 60/70 45
68041,116 160 130 120 180 195 1,400 1,300 60/130 55
68061,674 160 130 120 180 195 1,400 1,300 70/130 65
68082,232 210 130 120 230 195 1,400 1,700 70/170 75
68102,790 210 170 120 230 235 1,500 1,900 100/170 80
68123,348 210 170 120 230 235 1,500 1,900 100/170 80
68205,580 270 210 120 290 275 - 2,100 100/230 100
1) particulars for R=13m, u=55mm, stressing with deviation tubes and standard jacks; particulars for different structure radii on request.
values for strand diameter (0.52", 0.6") on request
dimensions in mm

bonded
1 - duct diameter Øi
2 - transition tube u/v
3 - anchor block a/b/c
4 - strands
5 - duct diameter Øi

unbonded
1 - anchor block a/b/c
2 - PE-strands