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GRS Bridge Abutments: Design Support and Instrumentation for Towlston Road Bridge at Rocky Run

GRS Bridge Abutments: Design Support and Instrumentation for Towlston Road Bridge at Rocky Run. Andy Kost, Karla Santacruz, George Filz, and Tommy Cousins Virginia Tech October 2011. GRS Bridge Abutments: Design Support and Instrumentation for Towlston Road Bridge at Rocky Run.

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GRS Bridge Abutments: Design Support and Instrumentation for Towlston Road Bridge at Rocky Run

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  1. GRS Bridge Abutments:Design Support and Instrumentation for Towlston Road Bridge at Rocky Run Andy Kost, Karla Santacruz,George Filz, and Tommy Cousins Virginia Tech October 2011

  2. GRS Bridge Abutments:Design Support and Instrumentation for Towlston Road Bridge at Rocky Run • GRS Bridge Abutments • Towlston Road Bridge • Project Work Tasks • Schedule • Current Status

  3. GRS Bridge Abutments • Cross-section drawing • Photos from Huston Township, Pennsylvania

  4. Towlston Road Bridge • Before Washout • After Washout

  5. Project Tasks • Summarize the state of practice for GRS abutments • Develop GRS design requirements for Towlston Road Bridge • Design the instrumentation • Observe construction and install instrumentation • Test the bridge with a loaded truck • Prepare data reduction forms for long-term monitoring • Compare GRS abutment costs with alternatives • Develop conclusions and recommendations for GRS abutments • Develop recommendations for future research • Prepare a final report

  6. Schedule • Project start: Aug 2011 • Bridge Construction: Summer or Fall 2012 • Project completion: May 2013

  7. Current Status • Graduate Research Assistants • State of Practice Summary • Critical Review of Analysis and Design Procedure • GRS Short Course

  8. Graduate Research Assistants Andy Kost Karla Santacruz

  9. GRS Abutment State-of-Practice Summary • Review all relevant literature: 23 papers and reports.Status = complete • Prepare a short, readable summary for practicing engineers: • Technology description • Applications • Materials • Design • Construction • QC/QA • Maintenance Status = 50%

  10. Critical Review of Analysis and Design Procedure

  11. GRS Abutment Short Course • Taught by Daniel Alzamora,Geotechnical Engineer from FHWA Resource Center • Mike Adams, FHWA Turner Fairbanks will attend • November 9, 9:30 a.m. to 3:30 p.m. • VCTIR Auditorium, Charlottesville Meeting of project team immediately following short course.

  12. GRS Abutment Construction: Additional Photos

  13. Open to Traffic - 47 days

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