The recession wasn’t supposed to last this long nor be this deep. Federal stimulus spending was meant to return us to prosperity as opposed to just diverting financial disaster. But taking a few steps back from the precipice may be the best our stimulus money could buy. The trillion-dollar construction market of a few years ago now appears to have been an illusion, and an $800-billion annual market may be the new reality. In the pop of a bubble, a fifth of the construction market may have evaporated, leaving the industry to make drastic adjustments. + Images Related Links: Market:
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.