110-foot concrete bridge withstands 8.0 earthquake simulation
Thursday, June 17, 2010 - 16:40
in Earth & Climate
After a succession of eight separate earthquake simulations, a 110-foot long, 200-ton concrete bridge model withstood a powerful jolting, three times the acceleration of the disastrous 1994 magnitude 6.9 Northridge, California earthquake, and survived in good condition.