Concrete Buildings

Sunday's powerful Bay Area earthquake brought attention to the urgent need to retrofit existing buildings in California. One expert stated the damage in Napa "was predictable." Do you know the three types of construction that need to be reinforced?
Aug 27, 2014   The Wall Street Journal
Across Los Angeles, more than a thousand concrete buildings built before the mid-1970s are at risk of collapse during an earthquake. With the area overdue for a substantial shaker, time is running out to identify at-risk structures and save lives.
Oct 14, 2013   Los Angeles Times