Precast & Prestressed Beam Bridges - Terre-Armée
2019-12-11 · 3 I Beams The I beam is the simplest and most widely known element used for deck pre- casting. It is also the cheapest one, in all countries where the precasting industry is highly developed. The general features are:-Maximum span 50 m-Height between 0.60 and 2.55 m-Ratio Height/Span between 1/20 and 1/24 for road bridges, and 1/14 for railway bridges, depen-
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