Click here for printer-friendly version





Section Size, D
(mm)		 Area, Apc
(mm2)		 Moment of
Inertia, I
(mm4)		 Radius of
gyration, R
(mm)		 Section of
Modulus, Z
(mm3)		 Mass
(kN/m)		 Perimeter
(mm)		 Strand
No./size		 Allowable concentric imposed action (kN)*
for concrete strength (MPa)
32 40 50 60
Square
(solid)		 350 122,500 1250 x 106 101 7146 x 103 3.00 1400 8/12.7 1055 1375 1780 2185
400 166,000 2133 x 106 116 10,666 x 103 3.92 1600 8/12.7 1450 1870 2400 2930
450 202,500 3417 x 106 130 15,187 x 103 4.97 1800 10/12.7 1840 2375 3040 3710
600 360,000 10,800 x 106 173 36,000 x 103 8.83 2400 16/12.7 3220 4275 5460 6650
Octagonal
(solid)		 400 132,622 1403 x 106 103 7015 x 103 3.25 1328 8/12.7 1160 1510 1950 2385
450 167,652 2242 x 106 116 9964 x 103 4.11 1488 8/12.7 1530 1970 2525 3080
550 250,660 5011 x 106 141 18,223 x 103 6.15 1824 12/12.7 2290 2950 3780 4605
*Allowable actions based on: N=Apc(0.33fc-0.27fpe)
N=allowable axial Service Load (kN)
Apc= cross section area of concrete (mm2)
f'c=characteristic 28 day compressive strength of concrete (MPa)
fpe=effective prestress after losses (MPa)

DISCLAIMER
Since the information provided on this website is intended for guidance only and in no way replaces the services of professional consultants on particular projects, no legal liability can or will be accepted for its use by Structural Concrete Industries (Aust) Pty Ltd.

The website is intended for use by professional personnel competent to evaluate the significance and limitations of its contents and who are able to accept responsibility for the application of the material and concepts this site contains.