Photo by Tudor Van Hampton for ENR Attendees crowded into the Caterpillar booth at CONEXPO 2014. Related Links: ENR Full CONEXPO Coverage Facing Soft Demand in Second Quarter, Caterpillar and Terex Look To Refocus Caterpillar Chairman and CEO Douglas R. Oberhelman says he is “very guardedly optimistic” about 2014 in the U.S. and abroad.“But compared to last year, maybe slightly less guarded,” Oberhelman told the media during the CONEXPO-CON/AGG exhibition, held earlier this month in Las Vegas. After what Cat saw in 2013, he added, “we are keeping all eyes on every cost and every growth piece."Oberhelman offered the following
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.