Tokyo, Japan – Researchers from Tokyo Metropolitan University have carried out a detailed simulation showing how a common type of bridge fails during large-scale earthquakes. They modeled “I-shaped ...
One promising technique for the seismic design of highway bridges with steel superstructures is to dissipate energy through the inelastic deformation of the end cross frames. These so-called ductile ...
The Grist Mill Bridge, a 75-ft single-span bridge in Hampden, Maine, is the first in the nation to use composite tub girders with no concrete reinforcement in the superstructure, say officials. The ...
As part of the Lincoln County Bridge Replacement Program, Oldcastle Precast of Spokane, Wash., fabricated 136.8-ft.-long prestressed concrete super girders for the new Miles Creston Bridge in Lincoln ...
AIT Bridges has launched a composite “tub girder,” a U-shaped beam the company says is lighter, lower-cost and longer-lasting than typical concrete and steel girders. COURTESY / AIT BRIDGES AIT ...
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