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Understanding Voids in Concrete: Insights from the Saint Francis Dam Failure

This study focuses on the critical issue of voids in concrete and their implications, inspired by the historical failure of the Saint Francis Dam. Conducted by Josie Rushton, Carl DeWitt, Hunter McLaughlin, and Brad Girod as part of ENGR45 in Fall 2011, the research simulated the problem using 0.52 mm diameter plastic spheres to assess how these voids affect concrete integrity. The findings highlight the importance of mixing samples and testing results to prevent structural failures in future constructions.

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Understanding Voids in Concrete: Insights from the Saint Francis Dam Failure

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  1. Voids in Concrete Josie Rushton Carl DeWitt Hunter McLaughlin Brad Girod ENGR45, Fall 2011

  2. The Problem fhwa.dot.gov

  3. Saint Francis Dam Failure Frogstorm.com

  4. Los Angeles Times Blog

  5. Yikes! OwensValleyHistory.com

  6. How we went about simulating the problem

  7. 0.52 mm diameter plastic spheres

  8. Mixing Samples

  9. Testing

  10. Results

  11. Interpreting the results

  12. nmt.edu

  13. Vibrate Your Concrete!

  14. Thank You!

  15. Sources • http://frogstorm.com/?p=862 • http://www.owensvalleyhistory.com/ov_aqueduct1/sf_dam08.jpg • http://infohost.nmt.edu/~es421/ansys/archfull.htm • http://www.fhwa.dot.gov/pavement/pccp/pubs/04150/chapt6.cfm • http://latimesblogs.latimes.com/thedailymirror/2008/03/st-francis-dam.html

  16. http://www.kkpgr.com/en/list.asp?id=167230

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