Event Title

CFD Modeling of Rockery Walls in the River Environment

Start Date

8-22-2014 10:15 AM

End Date

8-22-2014 10:40 AM

Abstract

In 2010 and 2011 Minnesota experienced 3 major flooding events in multiple major watersheds. These events (along with other recent flooding) triggered the creation of a flood mitigation bonding program to fund flood mitigation projects on Minnesota state highways in the 2012-2016 fiscal years.

One of the projects selected was the 101/61 Southwest Reconnection Project (Hwy 101 Flood mitigation project). The Minnesota River spreads across a broad flat valley during frequent floods, inundating many roadways crossing the floodplain. MnDOT and Local agencies have dealt with increasingly frequent flooding along the Minnesota River, with significant traffic impacts, particularly in the southwest part of the Twin Cities metropolitan area.

A MnDOT study completed in 2011 identified potential solutions to address the recurring congestion due to seasonal flooding in the southwest metro. The Highway 101 floodplain bridge was selected as the preferred alternative. Hydraulic analysis (including 2-dimensional hydraulic modeling) and final design has been completed and construction is scheduled to start the summer of 2014. There were several unique project challenges including significant project coordination between project partners (MnDOT and local agencies), and the need for an archeological dig of historic artifacts within the project area.

This presentation will review how floods in this area have been managed in the past, discuss the options considered in a recent flood mitigation study and go over the design of the selected permanent flood mitigation solution. Additionally, this presentation will provide a brief overview of the MnDOT flood mitigation bonding program to date.

Contact Information

Mr. Cezary Bojanowski

Computational Structural Mechanics Engineer

Transportation Research and Analysis Computing Center

Energy Systems Division Argonne National Laboratory

9700 South Cass Avenue

Argonne, IL 60439

Phone: 630-252-5294

email: cbojanowski@anl.gov

Speaker's Biography

Dr. Cezary Bojanowski received his Master degree in civil engineering from Warsaw University of Technology, Poland in 2005. He received his Doctoral degree also in civil engineering with specialty in computational analysis of structures from Florida State University, Tallahassee, USA in 2009. His main research interest is in application of computational multi-physics in analysis of transportation related problems. His current research areas include 3D CFD modeling of free surface flows applied to transportation infrastructure, fluid structure interaction in the performance of bridges and response of the structures to extreme loadings. He also works on crashworthiness and occupant safety related research. Cezary has published over 30 papers in conference proceedings and journals and technical reports. He currently works as a Mechanical Engineer at the Transportation Research and Analysis Computing Center, a part of Argonne National Laboratory in Illinois, USA.

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Aug 22nd, 10:15 AM Aug 22nd, 10:40 AM

CFD Modeling of Rockery Walls in the River Environment

In 2010 and 2011 Minnesota experienced 3 major flooding events in multiple major watersheds. These events (along with other recent flooding) triggered the creation of a flood mitigation bonding program to fund flood mitigation projects on Minnesota state highways in the 2012-2016 fiscal years.

One of the projects selected was the 101/61 Southwest Reconnection Project (Hwy 101 Flood mitigation project). The Minnesota River spreads across a broad flat valley during frequent floods, inundating many roadways crossing the floodplain. MnDOT and Local agencies have dealt with increasingly frequent flooding along the Minnesota River, with significant traffic impacts, particularly in the southwest part of the Twin Cities metropolitan area.

A MnDOT study completed in 2011 identified potential solutions to address the recurring congestion due to seasonal flooding in the southwest metro. The Highway 101 floodplain bridge was selected as the preferred alternative. Hydraulic analysis (including 2-dimensional hydraulic modeling) and final design has been completed and construction is scheduled to start the summer of 2014. There were several unique project challenges including significant project coordination between project partners (MnDOT and local agencies), and the need for an archeological dig of historic artifacts within the project area.

This presentation will review how floods in this area have been managed in the past, discuss the options considered in a recent flood mitigation study and go over the design of the selected permanent flood mitigation solution. Additionally, this presentation will provide a brief overview of the MnDOT flood mitigation bonding program to date.