Social media platforms are influencing AEC firms in ways that are transforming their practices. That was one theme among many participants explored at the "KA-Connect: Building Knowledge" two-day conference, held in San Francisco April 11-12.Major design firms, such as SOM, Rutherford & Chekene, Psomas, HOK, and T.Y. Lin, shared tales of interoperability successes and pitfalls. As many of them have discovered, the more interactive the social media tools, the better.Take design firm Arup's blog and tweet platform (http://thoughts.arup.com). Carmen Whitelock, head of Arup's online strategy, says the effort goes beyond the traditional web homepage, which for many firms acts as
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.