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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52
47 feet high from point of screw upwards, at about £2 15s. per foot
run of its height, f. o. b. in England.
The same class of pier can be used for a single line bridge by
omitting two of the vertical piles with their bracing, which would
reduce the price to about £2 5s. per foot run upon the same basis;
and if required for larger spans, say up to 50 feet or 60 feet, a
double row of piles may be used, with bracing between them.
The cost of erecting, in England, structures of this kind varies
from £2 10s. to £4 10s. per ton.
The form of pier shown by the following sketch has been used