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Contractor-built rig cuts timber piles underwater
Techniques used for removing 18,000 timber piles that supported old pier at Portsmouth, Va; features of rig to cut off piles at mud line at rate of 25 piles/hr; rectangular steel frame holds cutting blade that moves back and forth between guide rails; blade is powered by hydraulic ram; handled by crane, entire rig fits over pile and drops under its own weight to mud line.
Contractor-built rig cuts timber piles underwater
Techniques used for removing 18,000 timber piles that supported old pier at Portsmouth, Va; features of rig to cut off piles at mud line at rate of 25 piles/hr; rectangular steel frame holds cutting blade that moves back and forth between guide rails; blade is powered by hydraulic ram; handled by crane, entire rig fits over pile and drops under its own weight to mud line.
Contractor-built rig cuts timber piles underwater
Construction Methods Equipment
1963
2 pages
Article (Journal)
English
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