When Mansour Aliabadi was forced to flee his native Iran in 1979 at the onset of its Islamic Revolution, he had a civil engineering degree, public- and private-sector construction experience and an early inkling that construction management, then an emerging discipline, might be the wave of the future. More than three decades later, Aliabadi has steered the growth of Vanir Construction Management Inc. and its parent company from a local minority business into a global competitor, while raising practice standards for CM professionals in his firm and others. Photo: Dan Hood/ENR CEO Aliabadi at the site of the California grid
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.