Kattumaanap Poriyaalar october 2013 | Page 29
Design Tables
Load carrying Capacity of Columns ("P "Loads in KN )
M25 Grade of Concrete & Fe 500 TMT bars
P = (3.25xp+10)bd/1500
Column size
in mm
Percentage of Steel Reinforcement/ Load carrying Capacity
B
d
0.80
1.00
1.25
1.50
1.75
2.00
2.25
2.50 2.75 3.00 3.25 3.50
230
230
444
467
496
525
553
582
611
639
668
697
725
754
230
300
580
610
647
684
722
759
796
834
871
909
946
983
230
450
869
914
970
1026
1082
1139
1195
1251 1307 1363 1419 1475
230
600
1159
1219
1294
1369
1443
1518
1593
1668 1742 1817 1892 1967
230
750
1449
1524
1617
1711
1804
1898
1991
2084 2178 2271 2365 2458
230
900
1739
1829
1941
2053
2165
2277
2389
2501 2613 2726 2838 2950
230 1000
1932
2032
2156
2281
2405
2530
2655
2779 2904 3028 3153 3278
230 1200
2318
2438
2588
2737
2887
3036
3186
3335 3485 3634 3784 3933
230 1500
2898
3048
3234
3421
3608
3795
3982
4169 4356 4543 4729 4916
300
300
756
795
844
893
941
990
1039
1088 1136 1185 1234 1283
300
450
1134
1193
1266
1339
1412
1485
1558
1631 1704 1778 1851 1924
300
600
1512
1590
1688
1785
1883
1980
2078
2175 2273 2370 2468 2565
300
750
1890
1988
2109
2231
2353
2475
2597
2719 2841 2963 3084 3206
300
900
2268
2385
2531
2678
2824
2970
3116
3263 3409 3555 3701 3848
300 1000
2520
2650
2813
2975
3138
3300
3463
3625 3788 3950 4113 4275
400
600
2016
2120
2250
2380
2510
2640
2770
2900 3030 3160 3290 3420
400
750
2520
2650
2813
2975
3138
3300
3463
3625 3788 3950 4113 4275
450
450
1701
1789
1898
2008
2118
2228
2337
2447 2557 2666 2776 2886
450
600
2268
2385
2531
2678
2824
2970
3116
3263 3409 3555 3701 3848
450
750
2835
2981
3164
3347
3530
3713
3895
4078 4261 4444 4627 4809
fl;Lkhdg; nghwpahsh;
31
mf;Nlhgh; 2013
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