16Dec/090
Engineers Help Secure California Highways and Roads
Sprays of dirt flew out of a soil box that held a retaining wall as it violently shook from a simulated 7.4 magnitude earthquake. The wall was put to test recently by engineers at the UC San Diego Englekirk Structural Engineering Center, which has the largest outdoor shake table in the United States.
Source: http://www.icivilengineer.com/News/news.php?id=9111