Conventional bridge construction involves a time-consuming process ... precast members are not used in high seismic zones. A series of innovative precast concrete segmental columns are being developed ...

These issues are intended to improve the structural design and construction of precast concrete bridges by simplifying the design process, reducing ambiguity in design provisions, and establishing ...

Pre-stressed concrete is an ideal material for beam bridge construction; the concrete withstands the forces of compression well and the steel rods imbedded within resist the forces of tension.

Construction of the Demerara River Bridge entered a new phase Friday morning with the installation of the first precast girder. This horizontal beam, designed to support the bridge’s deck and traffic ...

Dubbed Space Age Concrete, it is being made into precast products ... as well as a pedestrian bridge. They’ve created a 4 ft. by 8 ft. mock panel of the sound barrier wall designed to look ...