| Popis: |
A group of investigators from the University of Missouri-Rolla’s (UMR) Natural Hazards Mitigation Institute (NHMI) and the U.S. Geological Survey’s (USGS) Mid-Continent Geographic Science Center (MCGSC) formed a team to collect perishable data in the aftermath of Hurricane Katrina. The field activities took place in the second week of October 2005. The team focused on three topics: transportation structures, flood-protection systems, and the environmental condition of the sediment debris. This article presents the geotechnical considerations of the flood-protection systems, and the two other topics are addressed in separate papers in this circular (Chen and others, this volume). Even though most of the media attention has been on the New Orleans levee/floodwall failures that flooded densely populated areas, our team also observed severe damage to miles of the flood-protection system along the Mississippi River south to the town of Venice, La., on Louisiana Highway 23 (LA-23). |
