Artwork by Eddy Rojas Related Links: Imagining Construction's Future President Rodriguez stood at her podium in the East Room of the White House. To her left, my friend and mentor, Julian Lewis, stood awaiting his reception of the Presidential Medal of Freedom. His seventy-year-old face showed the creases of countless days and nights of hard work and dedication, and his composure revealed his equanimity even in the face of such an honor.“When Julian Lewis introduced Semi-Autonomous Manufacturing Robots to electrical construction 40 years ago,” said President Rodriguez, her resonant voice filling the room, “he transformed the construction site forever. SAMBots
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.