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]
Severe erosion was discovered on an October 2008 inspection of Allegheny River Lock and Dam No. 6 near Pittsburgh, PA, a US Army Corps of Engineers structure. In the Q1 2009 issue of PileDriver Magazine […]
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, […]
The North American Steel Sheet Piling Association (NASSPA) has released a Sheet Piling Installation Manual. It has a nice overview of different hammer systems and covers issues such as driving systems and methods, templates, cofferdams, driving corrections, driving assistance and extraction. (Photo courtesy of NASSPA)
NASSPA promotes the use of steel sheet piling through the development and dissemination of technical information. This guide was compiled to assist the designer, contractor, or owner with the construction of steel sheet pile walls.