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Miscellaneous

Wind turbines on 100m of fill? And other recent GeoThreads

January 4, 2010 rockman Miscellaneous Comments Off on Wind turbines on 100m of fill? And other recent GeoThreads

I was poking around on the GeoThreads page which includes info on discussion forum threads from several different sites. Three recent threads from Eng-Tips.com caught my eye. Check them out. Drill techinique to go through […]

Geo-Frontiers 2011 Conference
Conferences

End of Geo-Frontiers 2011 Conference

March 21, 2011 rockman Conferences Comments Off on End of Geo-Frontiers 2011 Conference

The Geo-Frontiers conference concluded last week, and according to their website, they had a record setting 1,900+ attendees! There are Day 2 and Day 3 videos from Magnus Media Group that have some nice interviews […]

On June 2, 2014, the Delaware Department of Transportation closed a bridge on I–495 that was leaning and out of plumb.
Articles

How Could a Pile of Dirt Cause a Major Interstate Bridge To Tilt?

October 20, 2015 Dennis M. O'Shea Articles, Forensics and Failures Comments Off on How Could a Pile of Dirt Cause a Major Interstate Bridge To Tilt?

On June 2, 2014, the Delaware Department of Transportation closed a bridge on I–495 that was leaning and out of plumb.[Editor] The Delaware Department of Transportation (DelDOT) had a major problem on their hands after a bridge on I-495 was leaning…one side of the bridge was 18 inches higher than the other.  The culprit?  A pile of fill adjacent to the bridge was loading soft soils beneath.  So what do you do about it?  In this contributed article by Dennis M. O’Shea, bridge engineer in the FHWA Delaware Division Office, he describes the problems faced by DelDOT, the causes, and how they fixed it.  The article originally appeared in Public Roads Magazine, and is republished here with permission. [/Editor]

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