A new piece of equipment for deep ocean pile driving was recently used in 140m of water off the coast of Brazil. The StabFRAME is lowered to the sea floor and leveled to allow accurate driving of piles into the sea floor. See the video below for an example. More on the Brazil Project at the NCE link. [Source: Large Diameter Drill via NCE. Image: LDD]
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This has to be one of the most complex geotechnical engineering problems I’ve heard of for a building, if not for any kind of project. For starters, beneath the proposed 10-story office building referred to as Cannon Place lies the Cannon Street Train Station built in 1868. Also beneath the site are walls and foundations of a Roman Governor’s palace. In order to accommodate these features, the building has 21-m cantilevers at each end, with the load bearing happening over two groupings of columns at the 1/3 points. In section it looks quite like a 3-span bridge…without the abutments and stacked 10-stories tall! More after the break. (Images by New Civil Engineer) […]