Related Links: Imagining Construction's Future As he was driving to work, John sippied at a cup of coffee and wondered what the day would bring. So much had changed in his 40-plus year career in construction that it kept him constantly wondering what would change his ‘normal’ this year. Just looking backwards at traffic was something that had taken a while to get used to. The first pickup truck he drove for construction was a 1983 one-ton stick-shift with a fond memory of brakes and a clutch so heavy that he swore it made his left leg bigger than his right.Now,
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.