This is a great 5-minute video put together by Terracon to showcase a project for the Missouri DOT, the replacement of the Hurricane Deck Bridge at the Lake of the Ozarks. The design team was focusing on the possible re-use of the foundations, so Terracon employed their own geotechnical engineer divers for the work.
Available Resources
UC Berkley GeoEngineering Lectures on YouTube
UC Berkley has a bunch of lectures online, including three geoengineering themed ones. It appears that they were all from lectures given as a part of the 27th Annual GeoEngineering Distinguished Lecture Series on May 8, 2009. So if you have an hour plus to kill per lecture (and I haven’t yet), you can check out one of the following.
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Geologic Hazards
What Would a Large Earthquake Do to Downtown L.A.?
From the USGS Newsroom:
USGS scientist Ken Hudnut fills us in on how science created the theoretical magnitude 7.8 earthquake behind the Great Southern California ShakeOut—the largest earthquake preparedness drill in U.S. history, coming Nov. 13—and what such an earthquake would do to downtown Los Angeles.
Seems like they did it right wiith this study. They had multiple teams independenlty come up with the ground shaking model, then had different structural engineers who are experts in seismic design of large buildings review the tall buildings in the L.A. area for the design earthquake. They say that buildings would likely come down in the 7.8 magnitude event. Click through to watch the video interview from the USGS.
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Geologic Hazards
Large Sinkhole Opens Near Denver City, Texas
A 200-ft plus diameter sinkhole, about 50-ft deep opened up about 75 miles southwest of Lubbock, Texas, near Denver City on Monday, 7/27/2009 at 11pm. Check out the video below which is basically some aerial still photos. Credit to Geology.com. (Image from KCBD Video) […]
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What is the dead load of the existing hurricane deck bridge?