A 200-ton concrete bridge model constructed at the University of Nevada, Reno has withstood a simulated 8.0 magnitude earthquake using a number of materials and innovations that could revolutionize the way bridges are constructed.
Subjected to bidirectional feces that simulate the pressures and stresses of an earthquake, the model stood up to forces three times the acceleration of the 1994 earthquake in Northridge, Calif.
The most important finding was that the bridge not only survived the simulation, but remained in usable condition. This would allow emergency vehicles to get where they need to go quickly, a major obstacle after earthquakes with current designs.
The precast concrete structure used in the model was supported by glass and carbon fibers. To learn more about the results visit: http://www.sciencedaily.com/releases/2010/06/100616171649.htm