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 Engineer. Image: NCE]
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 […]
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 […]
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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