Steel highway bridges with reinforced concrete floors (1910)
Cornwell, Earl Zink, Williams, Glenn Richard · leaf 38
b construction. Bars, especially the patented bars knoTvn as the Ransome andJohnson bars, have been used for sometime for reinforcement. Itis claimed by Ransome, the inventor of the twisted bar,^See Pig.11),that the bar acts in concrete as a screw acts in wood, and thatthe act of twisting the rod… … Klo) at right angles to the axis of the bar, \See Pig. 12). Mr. John-son believed that the amount, which this angle could be less than90 degrees was not greater than the angle of friction of the mate-rials used.
Bridges · Iron and steel bridges · Theses
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
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