Photo courtesy of La DOTD Data cables and sensors join rebar and hand tools as elements of the construction landscape on the I-10 Twin Span Bridge. Photo courtesy of Geocomp Rebar cages for columns on the M19 pier are laced with cables and sensors, which were put to early use in a load test to simulate the 1.8-million-lb lateral load of a ship collision. Related Links: How Sensors on I-10 Twin Span Bridge Reduce Unknowns When the power is activated on the new 5.4-mile-long, $803-million I-10 Twin Span Bridge outside of New Orleans in October, it will transform an icon
Arch dams, classically curved monoliths situated in narrow valleys, are not as common as other types of dams, such as embankment dams and gravity dams. ENR takes a look at some of the biggest arch dams in the world, both completed and under construction.