Photo Courtesy of Turner/Devcon, Joint Venture. A BRB lateral system weighs significantly less than an equivalent concrete shear-wall system. Related Links: 49ers Use Collaborative Delivery 'Special Teams' To Speed Stadium Construction Cities Stuggle with Sports Villages, But Keep Building Sports Construction Vets Cry Foul on Owners' Reps MCEER Report on Buckling Restrained Braces During both the conceptual and schematic design phases for the San Francisco 49ers' stadium, the structural engineer developed a matrix of 66 structural-system scenarios. Then, the design and construction team evaluated each for schedule and cost. The team ultimately selected a steel frame, with composite metal decking
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.