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Top 10 Longest arch Bridges

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1.Chaotianmen Bridge Carries :Trains, Motor vehicles, Pedestrians Crosses :Yangtze River Location :Chongqing, China Design :Arch bridge Total length :1,741 m (5,712 ft) Width :36.5 m (120 ft) Height :142 m (466 ft) (middle supports to arch top) Longest span :552 m (1,811 ft) Construction begin :December 2004 Construction cost :3.2 billion Yuan Opened :30 April 2009 2.Lupu Bridge Carries :6 lanes of North–South Elevated Road, 2 pedestrian walkways Location :Shanghai, People's Republic of China Design :Through arch Material :Steel Total length :3,900 m (12,795 ft) Width :28.7 m (94 ft) Height :100 m (328 ft) Longest span :550 m (1,804 ft) Clearance below :46 m (151 ft) Construction begin :October 2000 Construction cost :2.5 billion yuan (US$302 million) Opened :June 28, 2003 Inaugurated :June 27, 2003 3.Bosideng Bridge Carries :G93 Chengdu–Chongqing Ring Expressway Location :Hejiang County, Sichuan, China Design :Arch Bridge Material :Steel Total length :841 me
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Design, Construction & Structural Details of Burj Khalifa

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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
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world's longest cable-stayed bridge-Russky Island, Russia

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1. The bridge to Russky Island is the world's longest cable-stayed bridge, with a 1104 m long central span. 2. The bridge also has the second highest pylons after the Millau Viaduct and the longest cable stays. 3. The design of the bridge crossing has been determined on the basis of two primary factors: Shortest coast-to-coast distance in the bridge crossing location 1460 m. Navigable channel depth is up to 50 m. The locality of the bridge crossing construction site is characterized by severe climate conditions: temperatures vary from -31 °C to 37 °C; storms bring winds of up to 36 m/s and waves of up to 6 m in height; and ice formations in winter can be up to 70 cm thick. Total Length : 3100meters Width : 29.5m Height : 320.9m Longest Span  : 1104m Clearence  Above : 70m Building  Cost : $1.1 billionUSD Opened : 2012 Source : Wikepedia, Google
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