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fundamentals of engineering supplied-reference handbook - Ventech!

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Kl<br />

r<br />

Design Stress, φc Fcr, for Compression Members <strong>of</strong> 50 ksi<br />

Specified Yield Stress Steel, φc = 0.85<br />

φcFcr Kl<br />

ksi r<br />

φcFcr Kl<br />

ksi r<br />

131<br />

φcFcr Kl<br />

ksi r<br />

φcFcr Kl<br />

ksi r<br />

CIVIL ENGINEERING (continued)<br />

φcFcr<br />

1 42.50 41 37.59 81 26.31 121 14.57 161 8.23<br />

2 42.49 42 37.36 82 26.00 122 14.33 162 8.13<br />

3 42.47 43 37.13 83 25.68 123 14.10 163 8.03<br />

4 42.45 44 36.89 84 25.37 124 13.88 164 7.93<br />

5 42.42 45 36.65 85 25.06 125 13.66 165 7.84<br />

6 42.39 46 36.41 86 24.75 126 13.44 166 7.74<br />

7 42.35 47 36.16 87 24.44 127 13.23 167 7.65<br />

8 42.30 48 35.91 88 24.13 128 13.02 168 7.56<br />

9 42.25 49 35.66 89 23.82 129 12.82 169 7.47<br />

10 42.19 50 35.40 90 23.51 130 12.62 170 7.38<br />

11 42.13 51 35.14 91 23.20 131 12.43 171 7.30<br />

12 42.05 52 34.88 92 22.89 132 12.25 172 7.21<br />

13 41.98 53 34.61 93 22.58 133 12.06 173 7.13<br />

14 41.90 54 34.34 94 22.28 134 11.88 174 7.05<br />

15 41.81 55 34.07 95 21.97 135 11.71 175 6.97<br />

16 41.71 56 33.79 96 21.67 136 11.54 176 6.89<br />

17 41.61 57 33.51 97 21.36 137 11.37 177 6.81<br />

18 41.51 58 33.23 98 21.06 138 11.20 178 6.73<br />

19 41.39 59 32.95 99 20.76 139 11.04 179 6.66<br />

20 41.28 60 32.67 100 20.46 140 10.89 180 6.59<br />

21 41.15 61 32.38 101 20.16 141 10.73 181 6.51<br />

22 41.02 62 32.09 102 19.86 142 10.58 182 6.44<br />

23 40.89 63 31.80 103 19.57 143 10.43 183 6.37<br />

24 40.75 64 31.50 104 19.28 144 10.29 184 6.30<br />

25 40.60 65 31.21 105 18.98 145 10.15 185 6.23<br />

26 40.45 66 30.91 106 18.69 146 10.01 186 6.17<br />

27 40.29 67 30.61 107 18.40 147 9.87 187 6.10<br />

28 40.13 68 30.31 108 18.12 148 9.74 188 6.04<br />

29 39.97 69 30.01 109 17.83 149 9.61 189 5.97<br />

30 39.79 70 29.70 110 17.55 150 9.48 190 5.91<br />

31 39.62 71 29.40 111 17.27 151 9.36 191 5.85<br />

32 39.43 72 20.09 112 16.99 152 9.23 192 5.79<br />

33 39.25 73 28.79 113 16.71 153 9.11 193 5.73<br />

34 39.06 74 28.48 114 16.42 154 9.00 194 5.67<br />

35 38.86 75 28.17 115 16.13 155 8.88 195 5.61<br />

36 38.66 76 27.86 116 15.86 156 8.77 196 5.55<br />

37 38.45 77 27.55 117 15.59 157 8.66 197 5.50<br />

38 38.24 78 27.24 118 15.32 158 8.55 198 5.44<br />

39 38.03 79 26.93 119 15.07 159 8.44 199 5.39<br />

40 37.81 80 26.62 120 14.82 160 8.33 200 5.33<br />

ksi

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