Photo courtesy of Lafarge; Chart by ENR Art Dept. Firms' all-share merger is valued at $60 billion, but the megadeal could take years to close because of antitrust concerns. Related Links: Lafarge merger site Lafarge 2013 Annual Report Holcim Merger Site Holcim 2013 Annual Report Sherwin-Williams ends its pursuit of Consorcio Comex's Mexican division Two of the world's largest cement makers, Lafarge and Holcim, on April 7 announced an all-share merger valued at $60 billion, although the megadeal could take years to close because of antitrust concerns.The combined company, to be called LafargeHolcim, would have a 427-million-tonne cement capacity, or
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.