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Tuesday 8 January 2013

Extreme Engineering - City In A Pyramid


The Shimizu Mega City Pyramid over Tokyo Bay : JAPAN


      It’s quite interesting and funny at the same time that the Japanese are always aware of their growing population (cool Indians and Chinese!!) their traffic congestion and their commuting problems. In order to have a final solution to their problems they always plan for something interesting that may feel like kidding on constructional wonders. After the successful thesis on their own “SKY CITY” now they are moving onto the pyramid which is also hypothetical solution for housing and commuting problems. Their own usual manthra of “vertical expansion” and “self sustainable buildings” joins here to form a pyramidal village which has apartments, office space, commercial area, cinema theatres, stadium, swimming pools, schools, hospitals, and even a monorail etc...as per the plan.
As Wikipedia says, The Shimizu TRY 2004 Mega-City Pyramid is a proposed project for construction of a massive pyramid over Tokyo Bay in Japan. The structure would be about 14 times higher than the Great Pyramid at Giza, and would house 1,000,000 people. The structure would be 2000 meters (6,561 feet) above MSL, including 5 stacked trusses, each with similar dimensions to that of the great pyramid of Giza. This pyramid would help answer Tokyo's increasing lack of space, although the project would only handle 1/47th of the Greater Tokyo Area's population. The proposed structure is so large that it cannot be built with currently available materials, due to their weight. The design relies on the future availability of super-strong lightweight materials based on carbon nano tubes.
      First, the pyramid's foundation would be formed by 36 piers made of special concrete. Because the seismically active Pacific Ring of Fire cuts right through Japan, the external structure of the pyramid would be an open network of mega trusses, supporting struts made from carbon nano tubes to allow the pyramid to stand against and let through high winds, and survive earthquakes and tsunamis. The trusses would be coated with photovoltaic film to convert sunlight into electricity and help power the city. The city will also be powered by pond scum or algae. Transportation within the city would be provided by accelerating, inclined elevators, and a personal rapid transit system where automated pods would travel within the trusses.Housing and office space would be provided by twenty-four or more 30-story high skyscrapers suspended from above and below, and attached to the pyramid's supporting structure with nano tube cables. Large robots would assemble the truss structure, and air bladders would be used to elevate trusses above the first layer using a construction system proposed by Italian architect Dante Bini. Spheroid nodes at the connections between trusses would provide structural support and serve as transfer points for travelers….read more
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