Adjacent precast box beam bridges

For years, adjacent prestressed concrete box-beam bridges have been employed for short and medium spans—two-thirds of all state Department of Transportations (DOTs) use them. Cracks in the longitudinal grouted joints between adjacent beams have often been observed.
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What’s wrong with my precast concrete garage?

Precast double-tee construction has become a dominant method for building parking garages in North America. The double-tee beam deck system of this construction type provides a finished wearing surface, supports vehicle loading, and forms an integral part of the lateral force-resisting system.
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