Kidder, Frank E. (Frank Eugene), 1859-1905 · New York, Comstock · leaf 78
ounds per square inch. This is the allowable stress for reinforcedconcrete, adopted by several cities in the compilation of their build--ing laws. In very large and heavily loaded spread column footings it issometimes necessary to provide vertical reinforcement throughoutthe body of the footing by… … Concrele Column Fig. 28. Typical Reinforced Concrete Footing for Column. shpping one upon the other when they are subjected to transversestress. An excellent construction for such a column footing isshown in Fig. 29. In this foot-ing the reinforcement consists ,--1--,of two layers of what is…
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