The global construction market has been taking its lumps over the past two years, and many large international firms are scrambling to maintain their size. However, as the slump grows in duration, a few things are becoming clear: The construction recession is not universal, some regions and market sectors are doing well, and many international firms are thriving. Photo: Art Credit Strabag SE Related Links: View Complete Global Sourcebook with Rankings General Building: Firms Say World Market Is Thawing, Albeit Slowly Transportation: Asia Bright Light in Otherwise Dim Sector Power: Growing Demand Fuels Worldwide Boom Environment: Global Expansions Yield Opportunities
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.