Courtesy of Harvey Mudd College Known for sticking to core markets, MATT construction tried a new way to build a concrete slab. Related Links: BubbleDeck Technology Systems Main Story: Market Picture Begins to Clear for Top 400 Contractors Bubble-Filled Concrete Deck Debuts At Wisconsin Hockey Arena MATT Construction is one contractor that has not scrambled to find the next hot market. "Our strategy has always been to stay with our core competencies and core markets," says Marvin Wheat, president. "Schools, museums and non-profits that we serve have tended to retain funding for their projects."This strategy has secured the contractor some
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.