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Augered-in concrete piles support boeing aerospace activities
For Boeing industrial complex in Kent, Wash (near Seattle), some 300,000 linear ft of cast-in-place piling has been installed by augering holes 12 in. in diam to depths up to 60 ft and forcing concrete mortar down hollow shaft of auger as it is withdrawn; this procedure provides shaft of concrete with rough exterior and high friction value; when tested to load of 120 tons, pile showed permanent settlement of 3/8 in.; same procedure was followed to install closely spaced piles as shoring to protect footings under adjacent buildings.
Augered-in concrete piles support boeing aerospace activities
For Boeing industrial complex in Kent, Wash (near Seattle), some 300,000 linear ft of cast-in-place piling has been installed by augering holes 12 in. in diam to depths up to 60 ft and forcing concrete mortar down hollow shaft of auger as it is withdrawn; this procedure provides shaft of concrete with rough exterior and high friction value; when tested to load of 120 tons, pile showed permanent settlement of 3/8 in.; same procedure was followed to install closely spaced piles as shoring to protect footings under adjacent buildings.
Augered-in concrete piles support boeing aerospace activities
Civ Eng (NY)
Liver, N.L. (author)
1966
2 pages
Article (Journal)
English
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