10 Modern Engineering Marvels in the World


5. Langeled Pipeline


The Langeled Pipeline is the longest underwater pipeline, measuring 746 miles (1,200 km) long from Norway to the U.K. Costing 10 million USD to develop. It was constructed for Norwegian Hydro to carry 70 million cubic yards (45 million m3) of gas to heat homes in the United Kingdom. The Langeled project will provide 20 percent of overall gas supple to United Kingdom. Lead by Ormen Lange, the project was completed in 2006; nine years after Norwegian Hydro first discovered an oil field 2,953 feet (900 m) below the earth’s surface in the sea. A total of 3,000 workers involved in the construction of this pipeline under the sea using special equipment.

 

4. Hoover Dam


The Hoover Dam is situated in Hill area known as Black Canyon between Arizona and Nevada, around thirty miles from Las Vegas, at the bottom of Lake Mead. During the Great recession, as jobs were not available, thousands of men and their families came to Black Canyon to build the Hoover Dam. The Hoover Dam makes Arizona an inspiring sightseeing. The project of Hoover Dam designed to change Colorado River into a hydroelectric power source for the region’s growing populace and continuous water supply to the rest of Area. Before the dam was built, the Colorado River flowed freely through Black Canyon. Today, the entire area is changed into the Lake Mead National Recreation Area.

Construction of the dam began in 1931 and completed by 1936, two years later than schedule. Initially it was given a name as Boulder Dam, but it was afterward renamed after President Herbert Hoover, who had been one of the original proponents of the project. American Society of Civil Engineers declares this dam of America’s Seven Modern Civil Engineering Wonders, and it also stands as a National Historic Landmark.

 

3. Aircraft Carrier USS GEORGE H.W. BUSH (CVN-77)


USS George H. W. Bush, its Construction began in 2001 at the Northrop Grumman Newport News shipyard and was completed in 2009 at a cost of $6.2 billion. She is home ported at Naval Station Norfolk, Virginia. USS George H. W. Bush stretches 1,092 feet and displaces over 100,000 tons, making her one of the world’s largest warships (though she is slightly shorter than USS Enterprise) but equipped with latest technology which was not used before. Her top speed exceeds more than 30 knots and it is powered with two nuclear reactors, she can operate for more than 20 years without refueling.

 

2. Floating Green Echo Cities


Lilypad Project is the most amazing green wonders and certainly the extreme from being built but, it is an amazing concept. The idea is to create several floating independent maritime eco-city islands. Each one would be able to provide accommodation to more than 50,000 residents and would support a great deal of biodiversity. It has collecting pools at its centers which assembles water and filter it for use. Two applications of solar type are used. The first one is a semi-transparent solar window is used, facing the open-air, inner vortex; and the second is a glass with a printed array of solar cells spaced to create partial shading, used as a solar roof material. In addition, when the structure is anchor and as thrusters for force when Gyre is under way underwater nacelle’s function both as tidal producer. The structure manages undersea pressures and reduces stress due to its shape. Rainwater is harvested in the inner vortex and gravity fed to the water purification system at the base of the Gyre. Mechanical systems and emergency freshwater storage is the deepest portion of the structure.

 

1. Pearl Bridge


Akashi Kaikyo Bridge is the longest suspension bridge between Maiko in Tarumi Ward and Kobe City with Matsuho in the northern part of Awaji Island with a length of 3,911 meters and a central span of 1,991 meters. It is a part of the Kobe-Awaji-Naruto Expressway, running from Nishi Ward in Kobe Cityand crossing the Akashi Strait, Awaji Island, and Naruto Strait all the way to Naruto City in Tokushima Prefecture. At nighttime, the lights decorating the cables of the bridge tower shine brightly in the color of the rainbow at every hour and in the color of respective birthstones every half an hour. Because of its captivating appearance that looks like pearls strung together, this bridge is also called the “Pearl Bridge.”

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