When it comes to collaborative virtual design and construction, designers and contractors agree that the fractured, adversarial traditions of the construction industry and limits on digital technology are the two monsters blocking a building information modeling utopia, or "cheruBIM," a world in which projects are built faster, better, for less money, with less strife and fewer claims. As far as technology, interoperability deficits stand out as the biggest obstacle to cheruBIM, preventing team member-users from sharing digital applications from different software vendors. Slide Show GRAPHIC: Fiatech The roadmap outlines technology-enabled information paths for the entire life cycle of a capital
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.