STRUCTURAL PROPERTIES (GRADE 100)

CLASS A (Effective Prestress ≥ 4.0 N/mm2)

Outer Diameter D (mm) Wall Thickness (mm) Length L (m) PC Bar Area of Concrete (Cm2) Moment of Inertia Concrete (cm4) Calculated Bending Moment *Allowable Axial Load (t) Nominal Weight (kg/m) Effective Prestress (N/mm2)
Diam (mm) Num(pcs) Cracking(kN-m) Ultimate(kN-m)
300 60 6-12 7.1 6 452 35,572 21.8 34.8 110 118 4.9
350 60 6-12 7.1 6 547 61,333 29.5 40.6 134 142 4.2
400 65 6-12 7.1 8 684 102,081 44.3 61.8 167 178 4.4
450 70 6-12 7.1 10 836 159,984 62.4 86.9 203 217 4.5
500 80 6-12 7.1 12 1,056 247,701 84.9 115.9 257 274 4.3
600 90 6-12 9.0 12 1,442 497,636 153.8 222.5 349 375 5.0

CLASS B (Effective Prestress ≥ 5.0 N/mm2)

Outer Diameter D (mm) Wall Thickness (mm) Length L (m) PC Bar Area of Concrete (Cm2) Moment of Inertia Concrete (cm4) Calculated Bending Moment *Allowable Axial Load (t) Nominal Weight (kg/m) Effective Prestress (N/mm2)
Diam (mm) Num(pcs) Cracking (kN-m) Ultimate (kN-m)
250 55 6-12 7.1 6 337 17,897 15.7 29.0 80 88 6.5
300 60 6-12 7.1 7 452 35,797 24.3 40.6 109 118 5.7
350 70 6-15 7.1 9 616 66,282 37.5 60.8 148 160 5.4
400 80 6-15 9.0 8 804 113,403 58.5 98.9 193 209 5.8
450 80 6-15 9.0 8 930 171,953 73.5 111.2 225 242 5.1
500 90 6-15 9.0 10 1,159 263,585 101.5 154.5 280 301 5.1
600 100 6-36 9.0 14 1,571 528,450 172.2 259.6 379 408 5.3
700 110 6-36 9.0 20 2,039 952,225 277.6 432.6 490 530 5.7
800 120 6-50 9.0 24 2,564 1,580,220 395.6 593.3 617 666 5.5
900 130 6-50 10.7 20 3,145 2,475,735 538.8 782.1 759 818 5.3
1000 140 6-50 10.7 24 3,782 3,712,239 726.3 1042.8 913 983 5.3
1200 150 6-50 10.7 36 4,948 7,232,423 1261.6 1877.1 1186 1,286 6.0

CLASS C (Effective Prestress ≥ 7.0 N/mm2)

Outer Diameter D (mm) Wall Thickness (mm) Length L (m) PC Bar Area of Concrete (Cm2) Moment of Inertia Concrete (cm4) Calculated Bending Moment *Allowable Axial Load (t) Nominal Weight (kg/m) Effective Prestress (N/mm2)
Diam (mm) Num(pcs) Cracking (kN-m) Ultimate (kN-m)
250 55 6-15 7.1 7 337 18,032 17.1 33.8 80 88 7.3
300 60 6-15 7.1 10 452 36,306 29.6 57.9 106 118 7.7
350 70 6-15 9.0 8 616 67,074 45.4 86.5 145 160 7.3
400 80 6-15 9.0 12 804 115,128 91.4 148.3 188 209 8.2
450 80 6-15 9.0 12 930 174,320 126.3 166.9 220 242 7.3
500 90 6-15 9.0 15 1,159 267,219 208.5 231.7 274 301 7.3
600 100 6-36 9.0 20 1,571 534,095 335.8 370.8 371 408 7.2
700 110 6-50 9.0 28 2,039 963,990 335.7 605.6 480 530 7.7
700 110 6-50 10.7 20 2,039 961,708 474.8 608.3 480 530 7.7
800 120 6-50 10.7 24 2,564 1,602,326 646.9 834.3 605 666 7.4
900 130 6-50 10.7 28 3,145 2,507,200 902.0 1095.0 744 818 7.1
1000 140 6-50 10.7 36 3,782 3,766,195 884.4 1564.3 892 983 7.5
1200 150 6-50 10.7 46 4,948 7,308,614 1434.6 2398.6 1169 1286 7.3
1200 150 6-50 12.6 46 44,948 7,444,910 1654.3 3331.1 1150 1286 8.8

Notes***

In compliance with MS 1314 : Part4 : 2004-Precast Concrete Piles & modified to suit BS8004 : 1986-Code of Practice for Foundations and also BS8110 : 1985-Structural use of Concrete