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STRENGTH OF MATERIALS. 229
TABLE No. 28.—Safe Load on Round Cast-Iron Pillars.
a v
re"*
c.c
’o.c
8.S
re
01 (/)
£ V
2 Cfl
Weight
in
Pounds
per
Foot
in
Length.
Length of Pillars in Feet.
4>
00
t3
fa
V
1
fa
u
fa
CO
fa
00
V
fa
V
fa
83
4 >2 5.49 17.14 11 8.1 6.1
4 % 7.56 23.90 15.2 11.3 8.5
5 X 7.07 22.06 16.8 13.3 10.4 8.3
5 X 10.01 31.23 24 19 15 12
6 X 8.64 26.95 23 19 15.5 12.6 10.4
6 X 12.37 38.59 33 27 22 18 15
6 n 14.09 43.96 37 31 25 21 17
6 1 15.71 49.01 42 35 28 23 19
6 1/ 17.23 53.76 47 40 32 26 22
7 x 12.52 39.06 36 31 26 22 19. 16
7 x 14.73 45.96 42 36 31 26 22 19
7 H 16.84 52.54 48 41 35 29 25 21
7 18.85 58.90 54 46 39 33 29 24
7 IX 20.76 64.77 60 52 44 37 32 27
8 X 17-08 53.29 51 45 39 34 29 25 22
8 n 19.59 61.12 59 52 45 39 34 29 25
8 21.99 68.64 66 58 51 44 38 33 28
8 1/ 24.30 75.82 73 64 56 48 42 36 31
8 IX 26.51 82.71 79 70 61 52 45 39 34
8 i/s 28.62 89.29 86 76 66 57 48 42 37
9 x 19.44 60.65 60 54 49 43 37 33 29 24
9 n 22.33 69.67 69 63 56 49 43 38 33 29
9 22.13 78.40 78 71 63 55 48 42 37 33
9 iy8 27.83 86.83 87 78 69 62 53 47 41 36
9 IX 30.43 94.94 95 85 76 67 58 51 45 39
9 ix 32.94 102.77 102 92 82 72 63 55 48 43
9 1/ 35.34 110.26 110 99 88 78 68 59 52 46
9 IX 39.86 124.36 126 113 100 90 78 67 60 51
10 r
8 25.09 78.28 80 73 67 60 53 47 42 37 34
10 28.28 88.23 90 83 75 67 60 53 47 42 38
10 *x 31.37 97.87 100 92 83 74 66 58 52 47 42
10 IX 34.37 107.23 110 101 91 82 73 64 57 51 47
10 1/8 37.26 116.25 119 109 98 88 79 69 62 55 51
10 1# 40.06 124.99 128 117 106 95 85 75 67 59 54
10 IX 45.36 141.52 146 133 122 109 97 85 77 67 60
11 31.42 98.04 102 95 87 79 71 64 58 52 48 43
11 1/8 34.90 108.89 114 105 96 88 79 71 64 58 53 48
11 IX 38.29 119.46 125 116 106 97 87 78 70 63 58 52
11 1/8 41.58 129.73 135 126 115 105 94 85 76 68 62 56
11 1# 44.77 139.68 146 136 124 113 102 92 82 74 68 61
11 IX 50.86 158.68 166 156 142 129 178 106 94 86 79 71
11 2 56.55 176.44 186 176 160 147 134 120 106 98 90 81
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