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Highest underwater cofferdams keep Akosombo dry
Techniques employed in construction of cofferdams on Volta River in Ghana and 30 ft diam concrete lined diversion tunnel; upstream and downstream cofferdams are permanent parts of Akosombo Dam being built between them for powerhouse project; most of cofferdam material was dumped underwater, but last stages of upstream work brought rock few feet above water; annual floods submerged cofferdams, but did not erode them seriously.
Highest underwater cofferdams keep Akosombo dry
Techniques employed in construction of cofferdams on Volta River in Ghana and 30 ft diam concrete lined diversion tunnel; upstream and downstream cofferdams are permanent parts of Akosombo Dam being built between them for powerhouse project; most of cofferdam material was dumped underwater, but last stages of upstream work brought rock few feet above water; annual floods submerged cofferdams, but did not erode them seriously.
Highest underwater cofferdams keep Akosombo dry
Eng News -- Rec
Engineering News-Record ; 170
1963
Article (Journal)
English
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