Building construction and superintendence, by F.E. Kidder ... (1896)
Kidder, Frank E. (Frank Eugene), 1859-1905 · New York, W.T. Comstock · leaf 47
ion, they are cheap, and their durability is everlast-ing. The iron being so completely imbedded in the concrete it can-not rust,* and hence there is no possibility of deterioration in thefootings. Masonry is undoubtedly the natural material for foundations, andthe author believes that it should be… … Fig 13. Fig. 13 shows the most economical section for a concrete andtwisted iron footing. In building the footings with steel beams, thestrength of the concrete is practically wasted, while in this method ofconstruction it is all utilized. It has been proved that the entire ten-sile strength of the…
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