When brainstorming technology story ideas at ENR, our editors frequently start by trying to feel your pain. Our readers are the construction people who depend on technology to improve their personal and company performance, but they also are the people who are left frustrated or wistful when needed technology fails them or has yet to be invented. When we hear those stories about common technology wishes and issues we start looking for folks who have found or invented solutions, and then we write about those. If it is new and helpful and we can find it and it’s not widely known,
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.