Full resolution (JPEG) - On this page / på denna sida - Strength of Materials - Table of safe load on round cast iron pillars
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230 STRENGTH OF MATERIALS.
TABLE No. 28. —(Continued).
$ 2
a 53
Length of Pillars in Feet.
73
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34.46 107.51 115 107 99 92 83 76 68 62 58 53
12 iH 38.34 119.62 128 119 108 102 92 84 78 69 63 58
12 1% 42.12 131.41 141 131 119 112 101 93 84 76 70 64
12 in 45.80 142.90 153 142 129 121 110 101 91 82 75 69
12 in 49.39 154.10 165 154 139 131 119 109 99 89 82 75
12 in 56.26 175.53 189 178 159 150 137 125 115 103 94 85
12 2 62.74 195.75 213 201 179 170 155 141 131 117 106 96
13 1 37.70 117.53 127 119 111 104 97 87 79 73 67 61
13 in 41.94 130.85 142 134 126 117 109 101 91 82 75 69
13 ix 46.11 143.86 158 149 140 130 121 112 101 91 84 77
13 in 50.19 156.59 174 163 154 144 133 122 111 101 93 84
13 in 54.16 168.98 190 178 168 157 145 133 121 110 101 92
13 in 61.82 192.88 214 201 189 176 164 151 137 124 114 104
13 2 69.09 215.56 227 224 210 195 182 168 152 137 126 116
14 1 40.94 127.60 138 131 123 115 109 101 92 85 78 72
14 in 45.50 141.96 153 145 139 130 121 112 103 94 87 80
14 IX 50.07 156.31 168 160 153 143 133 123 113 104 95 88
14 i/
8 54.54 170.04 183 174 167 156 145 134 123 113 104 95
14 i# 58.78 1S3.67 198 189 180 168 156 145 133 122 112 103
14 IX 67.31 210.00 226 216 206 192 179 166 152 140 128 118
14 2 75.36 235.12 254 242 232 216 201 186 171 157 143 133
15 1 43.99 137.28 150 143 136 128 120 112 104 96 90 82
15 i# 49.04 153.19 167 159 152 143 136 125 116 108 100 93
15 IX 54.00 168.48 184 175 167 157 148 138 128 119 110 102
15 1# 58.85 183.77 201 191 182 172 161 151 140 130 120 111
15 in 63.62 198.74 217 207 197 186 175 163 151 141 130 120
15 IX 72.85 227.45 284 236 225 212 202 190 175 160 148 137
15 2 81.68 254.81 279 265 253 237 2291216 197 179 166 154
16 1 47.12 146.95 160 156 150 140 133 125 117 110 101 93
16 1^ 52.57 164.11 179 173 167 158 148 139 130 122 116 106
16 IX 57.92 180.65 198 191 185 174 163 153 143 135 128 117
16 i# 63.18 197.18 216 209 202 190 178 167 152 147 139 128
16 ik 68.33 213.10 234 227 220 206 193 181 170 160 151 138
16 IX 78.34 244.29 26S 258 250 237 224 207 199 183 173 158
16 2 87.96 274.56 301 290 281 267 255 233 218 206 194 177
The length of cast-iron pillars, as a rule, ought not to ex-
ceed 20 to 25 times their diameter. Cast-iron pillars, when
heavily loaded, are apt to be broken if struck by a blow
sidewise.
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