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

11. Testing

16. Results

19. Interpreting the results

21. nmt.edu

22. Vibrate Your Concrete!

23. Thank You!

24. Sources http://frogstorm.com/?p=862 http://www.owensvalleyhistory.com/ov_aque duct1/sf_dam08.jpg http://www.owensvalleyhistory.com/ov_aque duct1/sf_dam08.jpg http://infohost.nmt.edu/~es421/ansys/archful l.htm http://infohost.nmt.edu/~es421/ansys/archful l.htm http://www.fhwa.dot.gov/pavement/pccp/pu bs/04150/chapt6.cfm http://www.fhwa.dot.gov/pavement/pccp/pu bs/04150/chapt6.cfm http://latimesblogs.latimes.com/thedailymirr or/2008/03/st-francis-dam.htmlhttp://latimesblogs.latimes.com/thedailymirr or/2008/03/st-francis-dam.html

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