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 station in New Orleans. The contractor was a joint venture between Kiewit Corp. and Traylor Brothers Construction Inc. [Source: National Driller Foundation Report Newsletter. Image: National Driller Foundations Report]
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, […]
Impact pile driving of steel piles in aquatic environments produces extremely high underwater sound levels. To address this problem, a double-walled pile has been developed to decrease the total noise transmitted into the water and […]
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 […]
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