As an expected 120,000 visitors began packing into the Las Vegas Convention Center, this year’s CONEXPO-CON/AGG exhibition kicked off with a universal question in mind: Will the current economic recovery stick? Photo By Tom Sawyer Construction industry attendees expressed hope that the recession is fading. Photo Courtesy Of Tony Illia Caterpillar’s new truck model was unveiled at the opening of the 2011 CONEXPO in Las Vegas “All the focus is on CONEXPO as investors look to see whether the pending recovery on the U.S. construction equipment is real,” said Credit Suisse analyst Jamie Cook in an investor note. Machinery manufacturers
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.