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HomeNewsFailuresVideo: Freeport Maine Culvert Failure and Road Collapse

Video: Freeport Maine Culvert Failure and Road Collapse

March 23, 2009 rockman Failures Comments Off on Video: Freeport Maine Culvert Failure and Road Collapse
image

Freeport Maine Culvert Failure and Road Collapse

Video by photojournalist Kevyn Fowler of WMTW. Thanks to Bob Cummings of Saguaro GeoServices, Inc. for the heads up.

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Image of a sandhog inside the new water supply tunnel number 3 for the City of New York. Photo by History.com.Previous

New Water Supply Tunnels Underneath New York City

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Cologne Tunnel Collapse: Investigations Focus on Tiebacks and Groundwater

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Available Resources

Overview of Novo Tech Geotechnical Software Programs

May 29, 2013 rockman Available Resources Comments Off on Overview of Novo Tech Geotechnical Software Programs

GeoPrac.net sponsor Novo Tech Software recently released this video that gives an overview of their company and all of their various geotechnical software products.  Very impressive, check it out!

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Rockman's Ramblings

Personal Reflections on I-35 Bridge Collapse in Minneapolis

January 17, 2008 rockman Rockman's Ramblings Comments Off on Personal Reflections on I-35 Bridge Collapse in Minneapolis

On January 15, the National Transportation Safety Board released a safety recommendation letter report to the FHWA related to the I-35W bridge collapse in Minneapolis Minnesota that claimed the lives of 13 people and injured 145. The safety recommendations are based on the findings of an interim report from the FHWA Turner-Fairbank Highway Research Center  that some gusset plates, components of the steel trusses, were undersized (not thick enough). This deficiency was confirmed to be a flaw in the design and not construction-related based on review of the original drawings from the 1960s and inspection of the wreckage. Whether this was a calculation error or a drafting error will perhaps never be known as only portions of the original design calculations were located. But the point is that it was never caught by any reviewers.

When this event first happened back on August 1, I remember being very shaken up by it. After my initial sadness for the victims of the accident, my first thought as a geotechnical engineer was: “were the foundations at fault.” As more information came out, it quickly became evident that the failure did not have anything to do with the foundations but that it was related to the superstructure of the bridge. But this still was something that profoundly affected me. (Continues…)

[…]

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Concrete blocks from a pile load test topple into Gilstead Road in Singapore
Failures

Pile load test accident, dead load topples into street (Video)

January 20, 2011 rockman Failures 1

Concrete blocks from a pile load test topple into Gilstead Road in Singapore

A pile static load test went awry in Singapore when a pyramid of dozens of concrete blocks used for the reaction force toppled over into Gilstead Road. The force of the collapse caused a gas main to rupture but there were no reports of injuries. Click through for the video.

[…]

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