National Geographic has published an article on the New Orleans levee system entitled "New Orleans Levees, Are They Safe?". The article indicates, as has been reported from other sources, that the levees are now back to where they were Pre-Katrina, but is that really good enough? A group funded by the NSF with members including UMR Professor J. David Rogers and Berkley professor Bob Bea has pointed out various shortcomings of the levee system. The Corps has responded with the view that the levee system is adequate, and that new flood gates will prevent a storm surge like Katrina’s from overtopping the existing levee system.
Vicksburg, Miss. â€“ The Interagency Performance Evaluation Task Force (IPET) reaffirmed today that the New Orleans-area risk maps released on June 20, 2007, are correct. A data error discovered in the draft technical supporting documentation released by IPET on Nov. 7 raised questions about risk map accuracy for two sections of New Orleans.
A temporary micropile underpinning foundation system was used to support the abutments of the US 69 bridge over the Kansas River near Kansas City, KS while repairs to the abutment bearing devices were performed. This post is based on my notes from the presentation titled “Emergency Micropile Underpining of the U.S. 69 Truss – Kansas River Bridge” by Jim Brennan, Assistant [State?] Geotechnical Engineer with KDOT. It was the first presentation of the 34th Southwest Geotechnical Engineers Conference in Phoenix this week. Read on for more.