Basic Types of Bridge Decks & Applications

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The Bridge decks are one of the basic components of the bridge that forms its surface. The bridge deck may either be cast-in-situ, precast, steel, wood, concrete, or other pavement systems which are supported on concrete or steel girders or beams (composite bridges). The bridge decks are most often defines the characteristics of the bridge. … Read more

Stress Control by Deflecting & Debonding Tendons in PSC Design

U Tub Composite Bridge Girder being Transported to site

Precast beams with straight, fully bonded tendons are very convenient for detailing and manufacture. However, one of the advantages of prestressing, namely using the dead toad of the unit to reduce transfer tensile stresses in the concrete, is lost in such members, because this tension becomes most critical at the ends of the beams, where … Read more