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HSS LRFD composite load tables - Pirate4x4.Com

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ERW<br />

<strong>LRFD</strong> Composite Columns<br />

Round <strong>HSS</strong><br />

Axial Design Strength in Kips<br />

f’c = 8.0<br />

Nominal Outside Diameter<br />

Wall Thickness<br />

Weight Per Foot<br />

Design Wall Thickness<br />

0<br />

4<br />

5<br />

6<br />

7<br />

8<br />

9<br />

10<br />

11<br />

12<br />

13<br />

14<br />

15<br />

4.500 4.000<br />

0.337 0.237 0.188 0.125 0.337 0.313 0.250 0.237 0.226 0.220 0.188 0.125<br />

14.98 10.79 8.66 5.84 13.18 12.33 10.01 9.52 9.11 8.88 7.65 5.17<br />

0.315 0.221 0.174 0.116 0.315 0.291 0.233 0.221 0.211 0.205 0.174 0.116<br />

F y = 46 ksi<br />

230 191 171 145 194 186 165 160 156 154 142 120<br />

211 175 156 132 175 167 148 144 140 138 127 107<br />

202 167 149 126 165 157 139 135 132 130 120 100<br />

190 157 140 118 153 146 129 126 123 121 111 92<br />

178 147 130 109 141 134 118 115 112 110 101 84<br />

164 135 120 100 127 122 107 104 101 100 91 75<br />

150 123 109 91 114 109 95 93 90 89 81 67<br />

136 111 98 81 101 96 84 82 80 78 71 58<br />

122 99 88 72 88 84 73 71 69 68 62 50<br />

108 88 77 63 75 72 62 61 59 58 53 42<br />

94 77 67 54 64 61 53 52 50 49 45 36<br />

82 66 58 47 55 53 46 45 43 42 39 31<br />

71 58 51 41 48 46 40 39 38 37 34 27<br />

Effective length KL in feet<br />

16<br />

17<br />

18<br />

19<br />

20<br />

21<br />

22<br />

23<br />

24<br />

25<br />

26<br />

27<br />

28<br />

29<br />

30<br />

31<br />

32<br />

33<br />

34<br />

35<br />

36<br />

37<br />

38<br />

39<br />

40<br />

63 51 44 36 42 40 35 34 33 33 30 24<br />

55 45 39 32 37 36 31 30 29 29 26 21<br />

49 40 35 28 33 32 28 27 26 26 23 19<br />

44 36 32 25 30 29 25 24 24 23 21 17<br />

40 33 28 23 27 26 22 22 21 21 19 15<br />

36 30 26 21 25 24 20 20 19 19 17 14<br />

33 27 24 19 ––– 21 19 18 18 17 16 13<br />

30 25 22 17<br />

28 23 20 16<br />

21 18 15<br />

–––<br />

––– ––– –––<br />

––– ––– ––– ––– ––– ––– –––<br />

PROPERTIES<br />

r m (in.)<br />

φ b M n (kip-ft)<br />

P e (KL) 2 /10 4 (kip-ft 2 )<br />

1.48<br />

19.1<br />

2.15<br />

1.51<br />

14.0<br />

1.75<br />

1.53<br />

11.2<br />

1.53<br />

1.55<br />

7.69<br />

1.23<br />

1.31<br />

14.8<br />

1.45<br />

1.32<br />

13.8<br />

1.39<br />

1.33<br />

11.4<br />

1.21<br />

1.34<br />

10.9<br />

1.18<br />

1.34<br />

10.5<br />

1.14<br />

1.34<br />

10.2<br />

1.12<br />

1.35<br />

8.80<br />

1.02<br />

1.37<br />

6.04<br />

0.813<br />

Note: Heavy horizontal line indicates Kl/r limit of 200.<br />

106

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