Kidder, Frank E. (Frank Eugene), 1859-1905 · New York, Comstock · leaf 77
Fig. lb. Concrete Footing with Twisted Reinforcement. Crete spread footings may be used for walls or for piers or columns.Fig. 26 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,… … Typical Reinforced Concrete Foot-ing for Heavy Wall. continuously along their entire length by the concrete as a screwbolt is held by the nut, they neither draw nor stretch, except as theconcrete extends with them. Fig. 27 shows a typical spread footing for a heavy wall, restingupon soil of a soft…
Building · Carpentry · Masonry
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