Related Links: Sidebar: At 49ers Stadium, Buckling-Restrained Braces Are a Big Plus Cities Stuggle with Sports Villages, But Keep Building Sports Construction Vets Cry Foul on Owners' Reps New Santa Clara Stadium http://pm-alliance.com For five uneasy years, the team responsible for building the San Francisco 49ers' $1-billion new home had hung together through three work hiatuses, a recession and a regrouping caused by a site relocation 45 miles to the south—from San Francisco's Candlestick Point to Silicon Valley's Santa Clara. Then, early last fall, things changed. Suddenly, the snail's pace became a race.Based on an early opportunity to secure financing,
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.