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Showing posts from October, 2012

Millau Bridge Construction History

Millau Viaduct multiple span single line cable stayed Bridge the tallest bridge in the world. Its highest tower stretches a staggering 343 meters in height and 2.5 km in length. It is located in southern France, and is the highest bridge in the world. It is a truly amazing piece of engineering, especially considering the method used to span the distance between the piers.  Construction cost  was approximately €400 million. Construction Process of Millau Viaduct The team attempting to build this amazing free way in the sky had to survive  landslides , fight winds gusting at a 135 km/h. It’s a bridge that pushed the boundaries of engineering to the limit and then beyond. From the start the construction team faced 3 main challenges. Build the tallest bridge piers in the world. Put a 36000 ton free way on top of them. Erect 7 steel pylons each weights 700 tons. Phase 1 of Construction Oct 2001 the team broke ground they required to build bridge that will last fo

Hoover Dam Facts, Statistics and Hoover Project Construction Photos

Hoover dam  is America's most famous landmark, completed in 1935. It was the most colossal structure  in the world  at that time. This great American icon was to be the largest and heaviest dam, producing the largest amount of Hydro electric power in the world . 21000 men took part in its  construction  and of them 112 laid their lives to complete this megastructure. Though its not the superior dam today but still most famous, iconic and greatest dam ever built. Situated in Mojave desert, 30 Km south-east of Las Vegas. Built on  Colorado  River at Black Canyon, the construction site was extremely difficult. The risks involved were huge and the consequences could have been catastrophic, if the dam failed. Hoover Dam is 221 m high, 201 meters thick and 3.4  million  cubic meters of  concrete  has been used in it. Background for Hoover Dam Construction Colorado, worlds one of the most powerful and unpredictable rivers, would break its banks in every spring and flood t

Design & Construction of Megastructure Akashi Kaikyo Suspension Bridge

The highest, longest and most expensive suspension bridge on earth, Megastructure Akashi Kaikyo bridge caries a huge 6 line free way linking Kobe with the island of Awaji in to the south. For the people of  the fishing  villages on rural south island it’s a vital link to hospitals, schools and the city on the main land. For Japan it’s a symbol of national pride, it is  the final  linking network of bridges that will unite all four islands. This bridge provides rapid  transportation , rapid access and opening up the island of shokoko to business commerce and tourism. Statistics / Facts: Location: Kobe and Awaji-shima, Japan Completion Date: 1998 Cost: $4.3 billion Length: 12,828 feet Type: Suspension Purpose: Roadway Materials: Steel Longest Single Span: 6,527 feet Engineer(s): Honshu-Shikoku Bridge Authority In 1998, Japanese engineers stretched the limits of  bridge engineering  with the completion of the Akashi Kaikyo Bridge. Currently the longest span

Design, Construction & Structural Details of Burj Khalifa

The goal of the  Burj Dubai  Tower is not simply to be the world's highest building: it's to embody the world's highest aspirations. The superstructure has reached over 165 stories. The final height of the building is 2,717 feet (828 meters). The height of the multi-use skyscraper has "comfortably" exceed the previous record holder, the 509 meter (1671 ft) tall Taipei 101. The 280,000 m 2  (3,000,000 ft 2 ) reinforced concrete multi-use Burj Dubai tower is utilized for retail, a  Giorgio Armani  Hotel, residential and office. As with all super-tall projects, difficult structural engineering problems needed to be addressed and resolved. Structural System Description Burj Khalifa  has "refuge floors" at 25 to 30 story intervals that are more  fire resistant  and have separate air supplies in case of emergency. Its reinforced concrete structure makes it stronger than steel-frame skyscrapers. Designers purposely shaped the structural concrete

Chek Lap Kok Airport (Hong Kong)

Start of the project Hong Kong is one of the wealthiest cities in the world. Previously, it had an airport named Kai Tak. But that was in the middle of the city, endangering human life and property. It had only one run way and the congestion was a lot rather increasing day by day. The airplanes had to fly past  the apartments  and the tall buildings, very nearly and risk of accident was very high. A  new airport  was needed, but there was no land available even up to 16 km radially, from the previous airport. Construction of Hong Kong International Airport The airport was itself just a small fraction of the whole project . The new airport was entitled as "the most ambitious civil engineering project" by many; because it had the largest passenger terminal in the world, heaviest jets were to be parked, 22 miles of super highways and tunnels were to be built to connect the airport to main city. For the same purpose longest double Decker suspended bridges

THREE GORGES DAM

The THREE GORGES DAM  is a hydroelectric dam that spans the Yangtze River by the town of Sandouping, located in Yiling District, Yichang, Hubei province, China. The Three Gorges Dam is the world's largest power station in terms of installed capacity (22,500 MW) but is second to Itaipu Dam with regard to the generation of electricity annually. Except for a ship lift, the dam project was completed and fully functional as of July 4, 2012,when the last of the mainturbines in the underground plant began production. Each main turbine has a capacity of 700 MW. The dam body was completed in 2006. Coupling the dam's 32 main turbines with two smaller generators (50 MW each) to power the plant itself, the total electric generating capacity of the dam is 22,500 MW. As well as producing electricity, the dam is intended to increase the Yangtze River's shipping capacity and reduce the potential for floods downstream by providing flood storage space. The Chinese government regards