The California Department of Transportation (Caltrans) is one of the largest state departments of transportation in the nation, managing more than 50,000 miles of California’s highways, or about ...

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 ...

Keywords: Accelerated bridge construction (ABC). Precast concrete. Segmental bridges. Seismic design. Shaking table tests. Vertical loads. Two-dimensional (2D) models. Nonlinear dynamic analyses.

With the limitless capabilities of concrete, aside from specs, engineering requirements - and physics - one is only constrained to creativity and innovation when it comes to its use. Contractors can ...

Ultra-high-performance concrete (UHPC) is rapidly emerging as a premier material for precast concrete construction. First introduced as “reactive powder concrete” in the early 1990s, this material has ...