A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Rotating foundation caissons drill their way to rock
Construction of foundation for new Federal office building in lower Manhattan, New York City; cylinders from 4 to 8 1/2 ft in diam and averaging 66 ft in length spun through virgin soil while high-pressure revolving jets excavate most of contents of shell during sinking operation; sinking progress runs between 12 and 20 ft per hr; details of welded tower and bedframe carrying 3-drum hoist and rotor assembly. (See also Eng News-Rec v 115 n 2 July 11 1935 p 37-41 and (discussion) n 7 Aug 15 p 235 and n 10 Sept 5 p 336)
Rotating foundation caissons drill their way to rock
Construction of foundation for new Federal office building in lower Manhattan, New York City; cylinders from 4 to 8 1/2 ft in diam and averaging 66 ft in length spun through virgin soil while high-pressure revolving jets excavate most of contents of shell during sinking operation; sinking progress runs between 12 and 20 ft per hr; details of welded tower and bedframe carrying 3-drum hoist and rotor assembly. (See also Eng News-Rec v 115 n 2 July 11 1935 p 37-41 and (discussion) n 7 Aug 15 p 235 and n 10 Sept 5 p 336)
Rotating foundation caissons drill their way to rock
Gen Contractors Assn -- Bul
1935
5 pages
Article (Journal)
English
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