On March 2-3, ENR gathered policymakers, scientists and construction industry leaders to brainstorm about how to direct national attention to disaster mitigation. One week later, those conference presentations took on a greater significance in light of the catastrophic events in Japan. “We have less latitude to withstand disasters than we ever have had in our history,” suggested John Voeller, vice president of engineer Black & Veatch, in a video made at the conference and now appearing on ENR.com. Shot by Senior Editor Tom Sawyer and edited by Assistant Editor Luke Abaffy, the video highlights discussions about how disasters can be
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.