Kattumaanap Poriyaalar october 2013 | Page 28
Design Tables
Load carrying Capacity of Columns ("P "Loads in KN )
P = (2.6805xp+10)bd/1500
Column size
M25 Grade of Concrete & Fe 415 TMT bars
Percentage of Steel Reinforcement/ Load carrying Capacity
in mm
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
428
447
471
494
518
542
565
589
613
636
660
684
230
300
559
583
614
645
676
707
737
768
799
830
861
892
230
400
745
778
819
860
901
942
983
1024
1065
1107
1148
1189
230
450
838
875
921
967
1014
1060
1106
1152
1199
1245
1291
1337
230
600
1117
1167
1228
1290
1352
1413
1475
1537
1598
1660
1721
1783
230
750
1397
1458
1535
1612
1689
1767
1844
1921
1998
2075
2152
2229
230
900
1676
1750
1842
1935
2027
2120
2212
2305
2397
2490
2582
2675
230
1000
1862
1944
2047
2150
2253
2355
2458
2561
2664
2766
2869
2972
230
1200
2235
2333
2457
2580
2703
2826
2950
3073
3196
3320
3443
3566
230
1500
2793
2917
3071
3225
3379
3533
3687
3841
3995
4150
4304
4458
300
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