Western Iowa Missouri River Flooding Geo-Infrastructure Damage Assessment, Repair and Mitigation Strategies Pavana Vennapusa, David White, Kelly Miller
Publisher:
Iowa State University
Copyright Date:
2013
Description:
xxv, 241 pages (269 pages total in PDF file) illustrations, charts, photographs (chiefly color)
"Report date: September 2013" -- Technical Report Documentation Page Note: The related 4-page Tech Transfer Summary is linked to this record. The Summary is not cataloged separately. Includes bibliographical references (page 175-179)
Scope Note:
Final Report
Contents:
Acknowledgments -- Executive Summary -- Chapter 1: Introduction -- Chapter 2: Background - 2011 Missouri River Flooding - Description Of The Missouri River Basin And Causes Of 2011 Flooding - Significant Events During And After Flooding - Previous Studies On Assessment Of Flood Damaged Roadway - Pavement Structures Damage After Hurricane Katrina Flooding, New Orleans, Louisiana (2005) - HMA Pavement On State Highway 24 In McClain County, Oklahoma (2007) - Evaluating "Unseen" Pavement Damage By Flooding After Hurricane Sandy (2012) And Katrina (2005) - Investigation Of Galveston Airport Pavements After Hurricane Ike, Galveston, Texas (2008) - Iowa DOT Primary Roads Evaluation After 2011 Missouri River Flooding (2011) -- Chapter 3: Low Volume Road Foundation Layer Design Inputs -- Chapter 4: Testing Methods And Statistical Data Analysis -- Chapter 5: Emergency Operations And Repair Of Flood-Damaged Geo-Infrastructure -- Chapter 6: Field Evaluation Of Geo-Infrastructure On Secondary Roadways - Pottawattamie County - Fremont County -- Chapter 7: Key Findings From Field Testing And Observations -- Chapter 8: Guidance For Geo-Infrastructure Damage Assessment And Selection Of Repair And Mitigation Solutions -- References -- Appendix A: Summary of Damages, Emergency Operations, and Damage Costs Reported By the Iowa DOT -- Appendix B. Time-Lapsed Graphical Depiction Of Floodwater Boundaries Near I-29 And I-680 -- Appendix C. Ground Temperature Data From Moville, Iowa -- Appendix D: Description Of Damage Assessment Techniques And Repair/Mitigation Solutions
Summary:
The 2011 Missouri River flooding caused significant damage to many geo-infrastructure systems including levees, bridge abutments/foundations, paved and unpaved roadways, culverts, and embankment slopes in western Iowa. The flooding resulted in closures of several interchanges along Interstate 29 and of more than 100 miles of secondary roads in western Iowa, causing severe inconvenience to residents and losses to local businesses. The main goals of this research project were to assist county and city engineers by deploying and using advanced technologies to rapidly assess the damage to geo-infrastructure and develop effective repair and mitigation strategies and solutions for use during future flood events in Iowa. The research team visited selected sites in western Iowa to conduct field reconnaissance, in situ testing on bridge abutment backfills that were affected by floods, flooded and non-flooded secondary roadways, and culverts. In situ testing was conducted shortly after the flood waters receded, and several months after flooding to evaluate recovery and performance. Tests included falling weight deflectometer, dynamic cone penetrometer, three-dimensional (3D) laser scanning, ground penetrating radar, and hand auger soil sampling. Field results indicated significant differences in roadway support characteristics between flooded and non-flooded areas. Support characteristics in some flooded areas recovered over time, while others did not. Voids were detected in culvert and bridge abutment backfill materials shortly after flooding and several months after flooding. A catalog of field assessment techniques and 20 potential repair/mitigation solutions are provided in this report. A flow chart relating the damages observed, assessment techniques, and potential repair/mitigation solutions is provided. These options are discussed for paved/unpaved roads, culverts, and bridge abutments, and are applicable for both primary and secondary roadways.
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.