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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hard stratum occurred, the screws were dispensed with, and the ends
of the piles pointed, and driven in by ordinary pile engine. The
material used in a pier of this class is as follows:—
Tons.cwts.qrs.lbs. Tons.ewts.qrs.lbs.
6 screw lengths of pile, each 17 feet, at 15 cwt. 4 10 0 0
12 intermediate pile lengths, at 9cwt. Iqr. 14lbs. 5 12 2 0
6 upper „ „ at 9cwt. 2qr. 141bs. 2 17 3 0
Total cast-iron . . . ------------13 0 1 0
Wrought-iron bracing ..............................1 2 3 8
„ „ bolts ............................0 3 2 0
Total ........................14 6 2 8
And taking the wrought-iron at £16 per ton, and cast-iron at £8 10s.
per ton, it gives the price for a pier complete, as above, which is