New Mega-City Challenge – Concept

 

Shimizu TRY 2004 Pyramid

 

 


Shimizu Mega City Pyramid1

 

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 12 times higher than the Great Pyramid at Giza, and would house 750,000 people. If built, it would be the largest man-made structure in Earth’s history. The structure would be 2,004 meters high and 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 idea partially stems from the fictional architectural marvel of the Tyrell Corporation, which appear several times in the 1982 science fiction film Blade Runner, as a duo of futuristic pyramidal structures. 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 nanotubes.

 


Shimizu Mega City Pyramid2

 

Proposed start of construction has not been announced.

The Shimizu Corporation is a leading architectural, engineering and general contracting firm, offering an integrated, comprehensive planning, design and build solutions for a broad range of construction and engineering projects worldwide…

They have been dreaming of these plans for almost a decade now and it could someday become a reality. The Shimizu company has constructed great structures such as the Taiwan High Speed Rail (a high-speed rail network that runs along the west coast of Taiwan. It is approximately long, and runs from Taipei City to Kaohsiung City. THSR began operation on January 5, 2007), Pakxe (or Pakse is a city in southern Laos, situated at the confluence of the Xedone and Mekong Rivers. It is the largest city in Champasak province and is the gateway to the Bolaven Plateau) Bridge and Shah Amanat International Airport (named after an Islamic saint, serves Bangladesh’s south-eastern port city of Chittagong. It was formerly known as MA Hannan International Airport but was renamed on 2 April 2005 by the Government of Bangladesh) and now they look at a structure 2,004 meters high.

 


Shimizu Mega City Pyramid3

 

Perimeter of the foundation above ground would be . Area of the foundation is . Infrastructure is an area of approximately . Gross building area is about of facilities layers:

* Layers 1 to 4: residential, offices, etc.
* Layers 5 to 8: research, leisure, etc.

The height of each layer is 250.5 m (for 8 layers, the pyramid is 2,004 m tall).

The pyramid structure would be composed of 204 smaller pyramids stacked eight high. Each of these smaller pyramids would be about the size of the Luxor Hotel (a hotel and casino located on the Las Vegas Strip in Paradise, Nevada. Ground was broken for the Luxor in 1991, that same year construction began on the Treasure Island) in Las Vegas.

 


Shimizu Mega City Pyramid4

 

The building would be zoned into residential, commercial and leisure areas. 50 km² would be given over to some 240,000 housing units, enough for 750,000 people. Each building would have its own energy resources (sun and wind). About 24 km² would be assigned to offices and commercial facilities intended to employ 800,000 people. The remaining 14 km² would be used for research and leisure purposes.

Some advantages include that this city would have more rapid mobility, that the city will be better protected from tsunamis, and that it helps solve the high-prices for land in Tokyo. A major weakness in this project is that if one truss fails the whole structure and 750,000 people will crash to the sea. However it is highly probable that in the future a solution to this problem will be found.

Ideally, the city will be powered by renewable energy. Unfortunately, getting power from the sea is extremely difficult as a tsunami or tidal wave could wipe out any water turbines. Another proposal is to use algae to power the mega city. Solar and wind power are also options. Even given many advances, the Mega-City Pyramid seems like an impossible job, but the people at Shimizu are confident they can reach their goal of building the greatest man-made structure in history.

 


Shimizu Mega City Pyramid5

 

First, the pyramid’s foundation would be formed by 36 piers made of special concrete.

Because the seismically active Pacific Ring of Fire (an area where large numbers of earthquakes and volcanic eruptions occur in the basin of the Pacific Ocean. In a 40,000 km horseshoe shape, it is associated with a nearly continuous series of oceanic trenches, volcanic arcs, and volcanic belts and/or plate movements) cuts right through Japan, the external structure of the pyramid would be an open network of megatrusses, supporting struts made from carbon nanotubes (allotropes of carbon with a cylindrical nanostructure. Nanotubes have been constructed with length-to-diameter ratio of up to 28,000,000:1, which is significantly larger than any other material) to allow the pyramid to stand against and let through high winds, and survive earthquakes and tsunamis (a series of water waves that is caused by the displacement of a large volume of a body of water, such as an ocean. The original Japanese term literally translates as “harbor wave.” Tsunamis are a frequent occurrence in Japan; approximately 195 events have been recorded).

The trusses would be coated with photovoltaic film (used in Solar cells, devices that convert the energy of sunlight directly into electricity by the photovoltaic effect. Sometimes the term solar cell is reserved for devices intended specifically to capture energy from sunlight, while the term photovoltaic cell is used when the light source is used when the light source is unspecified) to convert sunlight into electricity and help power the city. the city will also be powered by pond scum or algae.

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.

Australian Company, Straight Edge Tiling have secured a contract for the internal tiling of the Pyramid. CEO Daiman Cartan met with construction engineer David Dimitric and lawyer Tavis Gorman in December 2007 to discuss innovative concepts regarding the huge task, as well as legal boundaries, to which an agreement was made.

 


Shimizu Mega City Pyramid6

 

Transportation within the city would be provided by accelerating walkways, inclined elevators and a personal rapid transit (also called personal automated transport or podcar, is a public transportation concept that offers on-demand, non-stop transportation, using small, independent vehicles on a network of specially-built guideways) 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 nanotube cables.

According to Discovery Channel’s documentary on the pyramid it would be complete within the year 2110.

It is expected to go under construction by the 2030s, but Shimizu put it down as a vision and have not added much more idea for the project and have lately taking no action on the project, but are still very determined to complete it sometime in the future.

 

 

11 Responses to “New Mega-City Challenge – Concept”

  1. Luigi Fulk says:

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  7. Cora Korzep says:

    Thanks for posting this, it was a good read!

  8. Niclesse says:

    Hi,
    Thanks for the post but I would just like to point out some mistakes regarding the size posted here. The Pyramid will only be about 730 meters tall (5 Layers at 145-150m each) not 2000m. If you look at the illustrations posted here also you will see 5 layers not 8. According to the discovery channel’s website and the Mega-Engineering programme featured on the Discovery channel the dimensions differ from the ones posted here. Check out the Discovery channel website as well for more information on the project.

  9. Anna says:

    This idea is amazing!! i hope they are able to smooth out all the problems and build this so i can visit it some day!

  10. Chris says:

    I love how the Taiwan high speed rail system is “approximately long”. lol

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