Supertall buildings call for creative vertical transportation strategies. Hitachi Ltd. and its Hitachi Elevator Co. Ltd. division have annouced that they will build and install 95 elevators—including two that the manufacturer labels as the "world's fastest"—for the Kohn Pedersen Fox-designed Guangzhou CTF Finance Center, which will be 530 meters (1,738 feet) tall.
The two super-speedy units are designed to ascend at rates of up to 1,200 meters per minute, or about 45 mph, with a rated descent speed of 600 meters per minute. The contract also calls for 23 double-deck models running at up to 540 meters per minute, 13 ultra-high-speed units running at up to 600 meters per minute, and an assortment of medium- and low-speed elevators.)
The fastest elevators will travel a shaft height of 440 meters (from the first to the 95th floor) in about 43 seconds. The design includes a permanent magnet synchronous motor, a compact traction machine (achieved through reducing rope diameters, presumably with the aid of advanced materials), high-capacity inverters, braking materials with high heat resistance (withstanding temperatures exceeding 550°F), and a governor that is designed to control various rated speeds during ascent and descent. Active guide rollers will detect warping in the guide rails and lateral vibration caused by wind pressure, helping to ensure a smoother ride. Hitachi has also devised proprietary air pressure adjustment technology intended to help prevent the common sensation of ear blockage caused by pressure changes.
The upscale mixed-use skyscraper will encompass office, hotel, and residential space, and will be the tallest structure in Guangzhou. A 2016 completion date is planned.
Hitachi's experience with vertical transport for tall buildings includes a unit installed in Tokyo's Kasumigaseki Building in 1968—the world's fastest elevator at the time, at 300 meters per minute. The firm operates a 213-meter-tall research tower specifically for elevator development and testing.
For more, see Hitachi's original release.
Related Stories
Architects | Feb 11, 2015
Shortlist for 2015 Mies van der Rohe Award announced
Copenhagen, Berlin, and Rotterdam are the cities where most of the shortlisted works have been built.
BIM and Information Technology | Feb 10, 2015
Google's 3D scanning camera leaves the lab
Google is said to be partnering with LG to create a version of the technology for public release sometime this year.
Steel Buildings | Feb 10, 2015
Korean researchers discover 'super steel'
The new alloy makes steel as strong as titanium.
Architects | Feb 9, 2015
The generalist architect vs. the specialist architect
The corporate world today quite often insists on hiring specialists, but the generalists have an intrinsic quality to adapt to new horizons or even cultural shifts in the market, writes SRG Partnership's Gary Harris.
Museums | Feb 9, 2015
Herzog & de Meuron's M+ museum begins construction in Hong Kong
When completed, M+ will be one of the first buildings in the Foster + Partners-planned West Kowloon Cultural District.
Multifamily Housing | Feb 9, 2015
GSEs and their lenders were active on the multifamily front in 2014
Fannie Mae and Freddie Mac securitized more than $57 billion for 850,000-plus units.
BIM and Information Technology | Feb 8, 2015
BIM for safety: How to use BIM/VDC tools to prevent injuries on the job site
Gilbane, Southland Industries, Tocci, and Turner are among the firms to incorporate advanced 4D BIM safety assessment and planning on projects.
Museums | Feb 6, 2015
Tacoma Art Museum's new wing features sun screens that operate like railroad box car doors
The 16-foot-tall screens, operated by a hand wheel, roll like box car doors across the façade and interlace with a set of fixed screens.
Office Buildings | Feb 6, 2015
6 factors steering workplace design at financial services firms
Grossly underutilized space and a lack of a mobility strategy are among the trends identified by HOK based on its research of 11 top-tier financial services firms.
Cultural Facilities | Feb 6, 2015
Architects look to ‘activate’ vacant block in San Diego with shipping container-based park
A team of alumni from the NewSchool of Architecture and Design in San Diego has taken over a 28,500-sf empty city block in that metro to create what they hope will be a revenue-generating urban park.
