A new bridge connecting Portsmouth, N.H., and Kittery, Maine, features what engineers believe is the first-ever use of precast-concrete segmental towers on a vertical-lift bridge. The $158.5-million ...

A Grove GMK5275 with a 21-ton jib is used to erect precast panels into a vertical position and precast stairs over a building's structure during construction of a federal GSA building in Guam On the ...

As a concrete contractor, you’re always looking for ways to do your work more efficiently and safely. This is not a one-size-fits-all industry because concrete projects each have unique needs and ...

The California pavement was placed in a total of eight hours—five hours one night (after 10 p.m.), and three hours the next. The controlled environment of the casting yard, say proponents of precast ...

Constructing the 316-foot Cline Avenue Bridge span over the Indiana Harbor and Ship Canal, while keeping the canal open to barge traffic, allowed heavy lift specialist Engineered Rigging to prove the ...