The Viaduct Works' Handbook
Forfatter: Henry N. Maynard
År: 1868
Forlag: E. And F. N. Spon
Sted: London
Sider: 108
UDK: 624.3
Being A Collection Of Examples From Actual Practice Of Viaducts, Bridges, Roofs, And Other Structures In Iron; Together With Tables Of Prices, Weights, And Other Information Useful To Engineers In Design And Estimating Wrought And Cast-Iron Work
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103
80 A.D. =w. For girders supported at both ends, load in centre.
160 A.D. = W. For girders supported at both ends, andload distributed.
s
Area of top flange = 1.18 A.
T2 S S
Depth == = = or T
1 13 12
Rivets % and 1 inch diameter
6 inches apart in the top.
3 inches apart in bottom.
If D = S then w = 13.3 A.
12
If D = S then w = 16. A.
10
- Weight distributed.
• TABLE of the Weight of a Lineal Foot of Flat Bar Iron, in lbs.
Breadth in inches. Thickness, in parts of an inch.
5 16 I 7 16 / 5 8 % 7 8 1
1 .835 1.044 1.253 1.461 1.670 2.088 2.506 2.923 3.340
.939 1.174 1.409 1.644 1.878 2.348 2.818 3.287 3.756
1J 1.044 1.305 1.566 1.826 2.088 2.609 3.132 3.653 4.176
1.148 1.435 1.722 2.009 2.296 2.870 3.444 4.018 4.592
it 1.252 1.566 1,879 2.192 2.504 3.131 3.758 4.384 5.008
1% 1% 1.358 1.696 2.035 2,374 2.716 3.392 4.070 4.749 5.432
1% 1.462 1.827 2.192 2.557 2.924 3.653 4.384 5.114 5.848
1.566 1.957 2.348 2,740 3.132 3.914 4.696 5.479 6.264
2 1.671 2.088 2.505 2.922 3.342 4.175 6.010 5.845 6.684
1.775 2.218 2.662 3.105 3.550 4.435 5.324 6.210 7.100
21 1.880 2.348 2.818 3.288 3.760 4.696 5.636 6,575 7.520
2J 24 1.984 2.479 2.975 3.470 3.968 4.957 5.950 6.941 7.936
21 2.088 2.609 3.131 3.653 4.176 5.218 6.262 7.300 8.352
2.193 2.740 3.288 3.836 4.386 5.479 6.576 7.671 8.772
2% 2 2,297 2,870 3.444 4.018 4.594 5.740 6.888 8.036 9.188
2.402 3.001 3.601 4.201 4.804 6.001 7.202 8.402 9.608
2% 3 2.506 3.131 3.758 4.384 5.012 6.262 7.516 8.767 10.024
37 2.715 3.392 4.071 4.749 5.430 6.784 8.142 9.498 10.860
3% 2.923 3.653 4.384 5,114 5.846 7.306 8.768 10.228 11,692
31 3.132 3.914 4.697 5.479 6.264 7.828 9.394 10.959 12.528
4 3.341 4.175 5.010 5.845 6.682 8,350 10.020 11.690 13.364
3.549 4.436 5.323 6.210 7.098 8.871 10.646 12.421 14.196
41 3.758 4.697 5.636 6.575 7,516 9.393 11.272 13.151 15.032
4% 3.966 4.958 5.949 6.941 7.932 9.915 11.898 13.881 15.864
41 5 4.175 5.219 6.263 7.306 8.350 10.437 12.526 14.612 16,700
4.384 .5.479 6.576 7.671 8.768 10.958 13.152 15.343 17,536
5% 4.593 5.741 6.889 8.037 9.186 11.480 13.778 16.073 18.372
5% 53 4.801 6.001 7.202 8.402 9,602 12,002 14.404 16.804 19.204
04 6 5.010 6.262 7.515 8.767 10,020 12.524 15.030 17.535 20.042