Alow-profile 350-meter-long, 15-m-wide suspension bridge designed by a U.K.-French team will carry part of a 25.5-kilometer planned light-rail system, called Metro West, across Dublin’s Liffey River to the city’s northeast corner. The Irish government’s Railway Procurement Agency, which oversaw design competition, wanted a low-key design. “Because it’s sensitive, we didn’t want [tall] towers,” says Davood Liaghat, technical director at Buro Happold Consultants Ltd., Bath, U.K. The structural firm, with Paris-based Explorations Architecture S.A., won RPA’s com-petition and a $190,000 prize. Celtic Crossing. Suspension bridge will maintain a context-sensitive profile. “We decided to lean the towers back to [match] the tree
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.