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Cofferdam for the Tapan Zee Bridge
Project Related

New Tapan Zee Bridge Cofferdams designed with DeepEx software

February 13, 2015 rockman Comments Off on New Tapan Zee Bridge Cofferdams designed with DeepEx software

The geotechnical software company Deep Excavation has a nice entry on their blog about the cofferdams for the Tapan Zee Bridge in New York. Geotechnical firm Siefert Associates used the DeepExcav software to design the […]

Panama Canal Cover Story in 2014 Volume 30 Issue 5
Project Related

Panama Canal Cover Story in Pile Buck Magazine

October 14, 2014 rockman Comments Off on Panama Canal Cover Story in Pile Buck Magazine

The latest issue of Pile Buck Magazine has a cover story on the Panama Canal Construction. Talk about a mega project! There are actually two articles, the first includes a very nice summary of the […]

The Port of Anchorage in 2010
Project Related

Study: Port of Alaska Sheet Piles Have Design Flaws

March 26, 2013 rockman Comments Off on Study: Port of Alaska Sheet Piles Have Design Flaws

A study by CH2M Hill commissioned by the Municipality of Anchorage found that the partially constructed open-cell sheet pile system is “not adequately designed to meet global stability and seismic displacements based on the design […]

Sheet pile cofferdam around HMS Alliance
Project Related

Cofferdam helps preserve submariner history

January 23, 2012 rockman Comments Off on Cofferdam helps preserve submariner history

A steel sheet pile cofferdam has been built around the HMS Alliance, a British submarine launched in 1945. The cofferdam will be infilled to create a safe place to perform restoration work. [Source: New Civil […]

APE 400 vibratory driver/extractor in New Orleans
Project Related

APE’s 400 Vibratory Driver Extractor, ‘King Kong’ Extracts 140-ft Piles

April 4, 2011 rockman Comments Off on APE’s 400 Vibratory Driver Extractor, ‘King Kong’ Extracts 140-ft Piles

In Bell Chase, Louisiana, a huge vibratory driver/extractor manufactured by American Piledriving Equipment Inc. was used to extract 54-in diameter pipe piles 140-ft deep. The piles were part of a cofferdam for the largest pumping […]

Jefferson Memorial seawall replacement project schematic diagram from the Washington Post
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Workers try to repair the sinking sea wall at the Jefferson Memorial

June 9, 2010 rockman Comments Off on Workers try to repair the sinking sea wall at the Jefferson Memorial

The Jefferson Memorial itself is supported on a network of 600+ concrete piles and drilled shafts that penetrate through soft Patomac River sediments and dredged material into bedrock between 80 and 138-ft below ground. However, […]

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