Reinforced Concrete; Mechanics And Elementary Design
The book Reinforced Concrete; Mechanics And Elementary Design was written by author Brooks, John Pascal, 1861- Here you can read free online of Reinforced Concrete; Mechanics And Elementary Design book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Reinforced Concrete; Mechanics And Elementary Design a good or bad book?
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per sq. in. The average strength of the plain columns of the same dimen- sions is 1676 lb. per sq. in. For the 9" X 9"-12' columns the 108 REINFORCED CONCRETE computed value of C is 1160, and the table gives 2004 lb. sq. in. for a single test, showing that the assumed value of n is much too large for agreement. The result corresponds fairly well Fig. 49a. Fig. 496 with the minimum crushing strength for plain concrete in this table, and also in that on page 16 for 1: 2: 4 mixture. Ultimate faihi...re of columns reinforced in this way sometimes takes place through the buckling of the rods between the ties which are usually spaced about a foot apart. ANALYSIS OF STRESSES 109 Working Load for Columns with Longitudinal Reinforcement. As given on page 152 the recommended unit stress over the cross- section of the column rein- forced only with longitudinal rods is 450 (1 -|- 14 p) lb. sq. in. Since the value of E^ be- comes materially less as the unit stresses increase, the fac- tor of safety obtained by divid- ing the ultimate by the working stress is less than that actually resulting from the use of that working stress.
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