Related Links: Imagining Construction's Future As Bob Sirut pulls on to the job site for one of his last times, he cannot help but think about his almost 40 years in construction. Soon he will be retiring. It seems like just a few years ago that he graduated from the University of Wisconsin-Stout. Soon after that he got his first internship on a construction job site. He is still amazed at how today’s job site and the construction industry have changed. Just look at his current project—this state-of-the-art data and research facility for the new software division of the Construction
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.