Paris Eiffel Tower
Eiffel Tower is a built in 1889 in Paris, France, God's Plaza, a hollow structure of the tower, 300 meters high, 24 meters high antenna, a total height of 324 meters.
The Tata body as a hollow steel structure, 57 meters above sea level, 115 meters and 274 meters of three-tier platform for the visit, the fourth floor platform 300 meters above sea level, the weather station. The top of the antenna, for the Paris Television Center. From the ground to the top with elevators and stairs, 710 steps.
It is understood that the tower used more than 1,500 giant prefabricated beams, 1.5 million rivets, 12,000 steel castings, a total weight of 7,000 tons, 250 workers took 17 months to complete.
Kuala Lumpur twin towers
The Kuala Lumpur Twin Towers is located in the heart of Kuala Lumpur downtown Chicago, the 88th floor, is today the world's highest superstructure. Majestic spectacular, majestic, is the pride of Malaysia. It breaks the highest record of 22 years at the Hills Tower in Chicago, 451.9 meters high, making it one of the largest mega-structures in the world today.
The project started on December 27, 1993, officially capped on February 13, 1996, and completed its use in 1997. It is Malaysia's state oil company built with 2 billion ringgit. The world famous architect - Nishizawa Guli is the architect of this building.
New York Empire State Building
The Empire State Building is an ultra-modern, high-rise office tower that, along with the Statue of Liberty, is known as the symbol of New York City. The 381-meter Empire State Building on the ground has been the tallest building in the world for 40 years since 1931 and was not surpassed by the World Trade Center until 1971.
In the 1930s, architects managed to add a 200-foot-tall round tower that made the Empire State Building 1250 feet high. This skyscraper took only 410 days to build, can be regarded as a miracle in the history of architecture. For a long time, the Empire State Building has been the tallest building in the world.
London Millennium Dome
The Millennium Dome, on the Greenwich Peninsula by the River Thames in east London, is a landmark building built by the British government to welcome the 21st century.
Bends have a diameter of 320m and a circumference of more than 1000m. There are 12 masts piercing the roof of the house up to 100m in height, and the dome adopts a spherical spherical membrane structure. The membrane surface is supported on 72 radial steel cables with a cross-section of 2 × φ32. These cables are supported by a 25m pitch cable and lanyard for the mast. The slings and lanyards stabilize the mast at the same time effect.
It is understood that the Millennium Dome covers a total area of 73 hectares, with a total cost of 1.25 billion US dollars of large-scale comprehensive exhibition architecture, including a series of display and performance venues, as well as shopping malls, restaurants, bars and so on.
San Francisco Golden Gate Bridge
The Golden Gate Bridge runs north and south, connecting San Francisco City to Marin County. The bridge, which took more than four years to build, is one of the most beautiful structures in the world. It is no longer the longest suspension bridge in the world, but it is best known.
The giant bridge tower of the Golden Gate Bridge is 227 meters high, weighing 6,412 metric tons of each steel wire, stranding from 27,000 steel wires. Was founded in January 1933, opened in May 1937 for the first time. Tower stands on both sides of the bridge north and south, 342 meters high, of which 227 meters above the surface of the water, equivalent to a 70-storey building. The top of the tower is connected by two steel cables of 92.7 cm in diameter and weighing 24,500 tons each. The mid-point of the cable droops almost to the bridge, and a steel wire rope is used to connect the cable to the bridge. Data show that the bridge between the steel towers span 1280 meters, the world's largest single bridge built in the long span of a large suspension bridge.
arch
Gateway to the Gateway to St. Louis, Missouri, is the tallest monumental monument in the United States. The glittering arc-shaped steel-made arch, rising up to nearly 200 meters in height and nearly 200 meters in span, is exactly the same height.
According to records, the Finnish-American, the famous architect Ilo? Surinnen in the late 1940's a National Design Competition designed Gateway Arch. However, the project did not start until February 1963 and was completed in October 1965. Later, a transport system was added to the arches, allowing one to ascend to an observation deck at the top of the archway. Gateway to the Gateway is located on the Mississippi River, known as the gateway to the west.
Sydney Opera House
Sydney Opera House covers an area of 1.84 hectares, 183 meters long, 118 meters wide and 67 meters high, the equivalent of 20 storeys height. It looks three sets of huge shell pieces, towering 186 meters long from north to south, east-west maximum width of 97 meters of cast-in-place reinforced concrete structure on the base.
The opera house is divided into three parts: the Opera Hall, Concert Hall and Benilon Restaurant. Opera Hall, concert hall and lounge side by side, built on the giant granite base, each composed of four towering large roof.
Allegedly, the opera hall's most unique concert hall, is located in front of the concert hall, designed by the Australian artist Ronald Sharp designed organ. Made of 10,500 air ducts, the organ is the world's largest mechanical wood-link organ, and the entire concert hall is made of Australian timber, faithfully presenting Australia's own style.
China's "Bird's Nest"
The shape of "Bird's Nest" steel structure is mainly composed of gated steel frame, a total of 24 truss columns, building the long axis of the top 332.3 meters, 296.4 meters short axis, the highest point of 68.5 meters in height, the lowest point height of 42.8 meters. The long-span roof supports 24 truss columns with a column pitch of 37.96 meters. The main truss radiates around the opening in the middle of the roof, with only 22 榀 main trusses either straight or nearly straight.
The entire building, abandoned the traditional sense of the support columns, and extensive use of welded steel plate made of steel, the steel structure of the crystallization of traditional Chinese architecture crystallization in the steel structure cloth / Bureau / building cross-section form, Material utilization and other aspects of a more substantial adjustments and optimization.
Twenty-four trussed poles hold up the world's largest roof steel structure, reaching a major feat of the construction industry in the world and an astonishing masterpiece in the history of human civilization.
The success of "Bird's Nest" is not only the classic mechanical classics in architectural design, but also the state-of-the-art scientific achievement in materials science