Claimed as the world’s largest seismicly isolated building, Istanbul, Turkey’s new 200,000-sq-meter Sabiha Gökçen International Airport terminal opened at the end of October. Designed for a 7.5 to 8.0 moment magnitude quake and built in just 18 months, the roughly $600-million terminal sits on 300 isolators, according to lead designer Arup Group Ltd. Construction was by the locally based LIMAK–GMR Joint Venture. Photo: Arup Group
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.