WHPacific Scans the Horizon Protecting the Grid Power Engineers Is Flying High The design profession has been hit hard over the past six years. By some estimates, as many as 40% of architects were unemployed during the height of the recession, in 2009. Engineers fared better but not by much. Everybody did more with less. Now, after several fits and starts over the past few years, the market finally is in recovery mode.
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.