1. t2 t1 Iy Iz
ANGUS'SKEY
PLAN
COLUM
N
(RSK)
No.
BreakOut
No.(B/O)
W
eb(t)
m
m
CONCRETE
W
idth(b)m
m
CONCRETE
Depth(d)m
mCONCRETE
Area
STEELW
IDTH(b)
m
m
STEELDepth(d)
m
m
Flange
(excl.
plate)
Flange("t"incl.Plate)
m
m
Plate
(m
m
)
CROSS-SECTIONAL
AREA
STEEL
cm
^2LEVEL
Section
W
eightper
m
etre
(kg/m
)
Iy-y
Steel
(cm
^4)
Ix-x
Steel
(cm
^4)
Ix-xCom
p'
Iy-yCom
p'
4 B2(24)* 8 555 558 3096.9 255 258 12 12 0 81.7552 GF 258x255x65 64.178 10120.486 3315.277 803552.643 794935.519
4 B4(2)* 8 252 355 894.6 152 255 12 12 0 56.7952 4 255x150x45 44.584 6211.406 701.376 93951.638 47342.232
4 B5(12)* 8 253 355 898.15 153 255 12 12 0 57.0352 5 255x153x45 44.773 6246.864 715.330 94324.461 47908.069
12 B2(26)* 8 405 405 1640.25 305 305 12 24 12 170.7177 GF 305x305x77 134.013 30101.638 11347.953 224201.672 224201.672
12 B4 (No access) 100 100 100 4 xxx 833.333 833.333
12 B5(13)* 8 253 355 898.15 153 255 12 12 0 57.0352 5 255x153x45 44.773 6246.864 715.330 94324.461 47908.069
26 B2(No access) 100 100 100 GF xxx 833.333 833.333
26 B4(4)* 8 370 320 1184 270 220 13 23 10 141.7176 4 246x270x112 111.248 12456.148 7544.408 101034.667 135074.667
26 B5(10)* 8 330 330 1089 230 230 10 10 0 64.3143 5 230x230x51 50.487 6187.233 2026.937 98826.750 98826.750
29 B2(27)* 8 303 430 1302.9 203 330 15 35 20 168.4184 GF 330x203x168 132.208 32232.425 4878.723 200755.175 99681.622
29 B4(17) 6 370 380 1406 230 265 10 10 0 61.8357 4 265x230x49 48.541 8217.015 2027.392 169188.667 160401.167
29 B5(15)* 8 252 355 894.6 152 255 10 10 0 50.7143 5 255x152x40 39.811 5429.625 584.299 93951.638 47342.232
29 B6(18) 6 250 250 625 152 152 10 10 0 39.4557 6 152x152x31 30.973 1649.996 585.064 32552.083 32552.083
33 B2(29) 8 278 370 1028.6 178 270 18 36 18 149.6784 GF 240x178x50 117.498 18199.728 3383.006 117346.117 66245.269
33 B4(6)* 10 280 340 952 180 240 15 15 0 77.8953 4 240x180x62 61.148 7616.250 1456.250 91709.333 62197.333
33 B5(7)* 10 280 340 952 180 240 15 15 0 77.8953 5 240x180x62 61.148 7616.250 1456.250 91709.333 62197.333
36 B2(25)* 8 365 370 1350.5 265 270 15 30 15 180.5181 GF 255x265x79 141.707 23632.650 9303.917 154069.542 149933.635
36 B4(3)* 100 100 100 4 xxx 833.333 833.333
36 B5(11)* 6 270 300 810 170 200 10 10 0 45.9357 5 200x170x36 36.060 3362.933 818.509 60750.000 49207.500
40 B2(No access) 100 100 100 GF xxx 833.333 833.333
40 B4(1)* 8 325 385 1251.25 225 285 15 30 15 157.7181 4 255x225x53 123.809 22806.563 5694.353 154555.443 110136.068
40 B5(8)* 10 328 385 1262.8 228 285 15 30 15 165.1977 5 285x228x76 129.680 23290.369 5924.301 155982.108 113214.229
40 B6(No column) 100 100 100 6 xxx 833.333 833.333
45 B2(28) 8 405 405 1640.25 305 305 15 33 15 225.6183 GF 305x305x86 177.110 38325.256 15603.924 224201.672 224201.672
45 B4(16) 6 340 380 1292 230 265 10 10 0 61.8357 4 265x230x49 48.541 8217.015 2027.392 155470.667 124462.667
45 B5(14)* 6 305 355 1082.75 205 255 10 10 0 56.2357 5 255x205x45 44.145 6804.873 1435.431 113711.307 83935.682
45 B6(19) 6 250 250 625 152 152 10 10 0 39.4557 6 152x152x31 30.973 1649.996 585.064 32552.083 32552.083
50 B2(No access) 100 100 100 GF xxx 833.333 833.333
50 B4(5)* 8 305 315 960.75 205 215 15 15 0 78.6162 4 215x205x49 61.714 6583.640 2152.992 79442.016 74478.141
50 B5(9)* 10 305 305 930.25 205 205 16 16 0 85.9956 5 205x205x52 67.507 6303.715 2295.925 72113.755 72113.755
50 B6(No column) 100 100 100 6 xxx 833.333 833.333
Notes:
Minimum assumed width of concrete casing is steel width + 100mm per Clause 30.B.2 in BS 449
Assume Ks = 1 as flange thickness does not vary. Case I
* Assumed concrete column size

2. 1.0000003 pbc max = 170N/mm2 due to minor axis bending Table 2
Y- Axis X-Axis
Elastic
M
odulusZy-y
(cm
^3)
Elastic
M
odulusZx-x
(cm
^3)RadiusOf
Gyration
Y
A=CsTable
7
Pbc(M
pa)
forgrade
43
t<40m
m
RadiusOf
Gyration
X
Radiusof
Gyration
com
p'
y-y
RadiusOf
Gyration
Com
p'
x-x
Length
of
Colum
n
(m
m
)
Connection
Type
Effective
Length
l/r(y-y)
l/r(x-x)
PcTable
17a
M
om
ent(M
yy)M
om
ent(M
xx)
fbcy
fbcx
Com
bined
Stressesfc/Pc+fbcx/Pbcx
+fbcy/Pbcy
2849.231 28956.852 111.261 2332.200767 63.680 160.215 161.081 4540 P-F 3859 34.684 23.957 158 31.144 2.496 10.9306677 0.086197215 1.188876534
266.717 7456.479 104.578 2735.757 35.141 72.746 102.480 3940 P-F 3349 32.024 32.680 153 30.94 2.496 116.0031914 0.334742436 1.348347425
269.905 7456.479 104.655 2739.797 35.415 73.035 102.480 3940 P-F 3349 32.000 32.680 153 30.94 2.496 114.6330892 0.334742436 1.078509446
1107.169 11071.688 132.787 3321.941 81.530 116.913 116.913 4540 P-F 3859 29.062 33.007 153 0 0 0.765702608
16.667 166.667 28.868 28.868 P-F 0 0 0.531481897
269.905 7456.479 104.655 2739.797 35.415 73.035 102.480 3940 P-F 3349 32.000 32.680 153 0 0 0.092821865
16.667 166.667 28.868 28.868 P-F 0 0 0.936388616
844.217 5461.333 93.752 2446.646 72.963 106.810 92.376 3735 P-F 3174.75 33.863 34.368 152.5 23.73 -3.848 28.10889779 -0.704589844 0.4453042
598.950 5989.500 98.083 2406.517 56.139 95.263 95.263 3940 P-F 3349 34.144 35.155 152 23.865 -3.432 39.84472827 -0.573002755 0.54402906
463.635 13251.167 138.341 3605.651 53.822 87.469 124.130 4540 P-F 3859 27.895 31.088 154 0 0 0.829720861
844.217 9145.333 115.276 3699.010 57.260 106.810 109.697 3735 P-F 3174.75 27.541 28.941 155 0 0 0.776250693
266.717 7456.479 103.471 2678.177 33.943 72.746 102.480 3940 P-F 3349 32.366 32.680 153 0 0 0.547731127
260.417 2604.167 64.668 1046.102 168.000 38.508 72.169 72.169 3940 P-F 3349 51.788 46.405 146 0 0 0
358.083 8442.167 110.269 2290.795 47.541 80.252 106.810 4540 P-F 3859 34.996 36.130 152 0 0 0.455362125
365.867 6550.667 98.882 2721.705 43.238 80.829 98.150 3735 P-F 3174.75 32.107 32.346 153 0 0 0.569727592
365.867 6550.667 98.882 2445.851 43.238 80.829 98.150 3940 P-F 3349 33.869 34.121 153 0 0 0.259272203
810.452 8442.167 114.418 2466.448 71.791 105.366 106.810 4540 P-F 3859 33.727 36.130 152 0 0 0.625757237
16.667 166.667 28.868 28.868 P-F 0 0 0
328.050 4500.000 85.563 1831.335 42.212 77.942 86.603 3940 P-F 3349 39.141 38.671 150 30.4 0 92.66880049 0 0.963086211
16.667 166.667 28.868 28.868 P-F 0 0 0.924645336
572.135 9511.104 120.251 4025.214 60.087 93.819 111.140 3735 P-F 3174.75 26.401 28.565 155 37.83 -0.735 66.12071006 -0.077278094 0.608564888
588.126 9511.104 118.737 3526.729 59.885 94.685 111.140 3940 P-F 3349 28.205 30.133 154 4.85 3.045 8.246534075 0.320152103 0.138834138
16.667 166.667 28.868 28.868 P-F 0 0 0
1107.169 11071.688 130.333 3200.302 83.163 116.913 116.913 4540 P-F 3859 29.609 33.007 153 0 0 0
655.067 9145.333 115.276 3699.010 57.260 98.150 109.697 3735 P-F 3174.75 27.541 28.941 154 36.27 4.429 55.36841034 0.484290713 1.334562838
472.877 7456.479 110.003 3026.966 50.523 88.046 102.480 3940 P-F 3349 30.445 32.680 153 35.49 5.871 75.05121574 0.787368927 1.134156503
260.417 2604.167 64.668 1046.102 168.000 38.508 72.169 72.169 3940 P-F 3349 51.788 46.405 146 30.624 -0.721 117.59616 -0.276864 1.228258315
16.667 166.667 28.868 28.868 P-F 0 0 0
472.877 5209.313 91.512 2331.122 52.332 88.046 90.933 3735 P-F 3174.75 34.692 34.913 152 0 0 0.90044366
472.877 4728.771 85.617 1833.668 51.670 88.046 88.046 3940 P-F 3349 39.116 38.037 151 0 0 0.625320965
16.667 166.667 28.868 28.868 P-F 0 0 0

3. fc/Pc+fbcx/Pbcx
+fbcy/Pbcy
Com
pression
Resistance
GLW
VerficationCom
pression
Resistance
LDN
Verification
ExistingLoad
(kN)
Proposed
Load
(kN)
BendingStressy-
y
BendingStressx-
x
Existingoverload
(%
)
Proposed
overload
(ratio)
COLUM
N
(RSK)
No.2
LEVEL2
ANGUS'SKEY
PLAN4
1291.733 1078.92 1525 1452 10120.486 118% 1.12 B2(24) GF 4
868.967 533.12 217 577 6211.4058 25% 0.66 B4(2) 4 4
872.639 533.12 1 351 6246.864 0% 0.40 B5(12) 5 4
2611.980 2438.2 2756 2000 30101.638 106% 0.77 B2(26) GF 12
509.895 502.32 783 271 0 154% 0.53 B4 (No access) 4 12
872.639 502.32 37 81 6246.864 4% 0.09 B5(13) 5 12
2097.420 2057.988 1611 1964 0 77% 0.94 B2(No access) GF 26
2161.193 2057.988 565 614 12456.148 26% 0.28 B4(4) 4 26
977.577 858.6 295 306 6187.2333 30% 0.31 B5(10) 5 26
2593.643 1844.64 4061 2152 32232.425 157% 0.83 B2(27) GF 29
958.453 843.73 1637 744 8217.0146 171% 0.78 B4(17) 4 29
775.928 664.2 979 425 5429.625 126% 0.55 B5(15) 5 29
576.053 390.864 0 0 1649.9957 0% 0.00 B6(18) 6 29
2275.112 1119 1036 18199.728 49% 0.46 B2(29) GF 33
1191.798 915 324 679 7616.25 27% 0.57 B4(6) 4 33
1191.798 862.5 97 309 7616.25 8% 0.26 B5(7) 5 33
2743.876 1078.92 1476 1717 23632.65 54% 0.63 B2(25) GF 36
477 560 0 B4(36) 4 36
689.035 501.76 213 288 3362.9333 31% 0.42 B5(11) 5 36
2271.141 2166.45 2596 2100 0 114% 0.92 B2(No access) GF 40
2444.631 2166.45 941 538 22806.563 38% 0.22 B4(1) 4 40
2544.044 2151.3 499 225 23290.369 20% 0.09 B5(8) 5 40
1 32 0 B6(No column) 6 40
3451.960 38325.256 B2(28) GF 45
952.270 843.73 1373 958 8217.0146 144% 1.01 B4(16) 4 45
860.406 676 875 592 6804.8729 102% 0.69 B5(14) 5 45
576.053 387.032 218 310 1649.9957 38% 0.54 B6(19) 6 45
0 B2(No access) GF 50
1194.966 496 1076 6583.6396 42% 0.90 B4(5) 4 50
1298.533 298 812 6303.7151 23% 0.63 B5(9) 5 50
0 836 0 B6(No column) 6 50