TRRL recently tested a half-scale model of a bridge deck composed of eight prestressed concrete inverted T-beams and an in-situ reinforced concrete slab. Tha model was tested to failure. The present report compares the experimental results with: (1) grillage and linear finite element calculations within the elastic regime; (2) linear elastic finite element calculations combined with Code limits; (3) mechanism calculations; (4) non-linear finite element calculations. (A)

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