what materials were used to build the akashi kaikyo bridge

Four decades in the gestation, the bridge is now used by approximately 23,0 foundations that support the main towers had to be securely laid with high precision on the seabed 60 meters (197 feet) underwater. : You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. It took two million workers, 10 years, 181,000 tonnes of steel and 1.4 million cubic metres of concrete to complete. Before the construction of the bridge, boats and ships (ferries) were used to carry passengers and vehicles across the Akashi strait. They also had to consider the weather. To do this, a gigantic 80-meter (263-foot) diameter, 70-meter (230-foot) high steel cylinder It crosses the busy Akashi Strait (Akashi Kaikyō in Japanese) as part of the Honshu–Shikoku Highway. Sets of three high-intensity discharge lamps in the colors red, green and blue are mounted on the main cables. The Akashi-Kaikyo Bridge… The Akashi Kaikyo Suspension Bridge is the longest suspension bridge in the world and it is probably Japan’s greatest engineering feat. The Akashi Kaikyō Suspension Bridge has been designed to withstand earthquakes and harsh sea conditions. Development of high-strength wire, a key player in reducing the weight of 2,000-meter-long suspension bridges. The suspension bridge connects the city of Kobe (mainland of Honshu) to Iwaya (Awaji Island) in Japan. Somewhat more sophisticated designs incorporate a flat surface on which a person can walk, sometime… 1. The bridge is so long, it would take eight. While under construction the bridge remains largely unaffected by the Kobe earthquake. It took two million workers ten years to construct the bridge, 181,000 tonnes of steel and 1.4million cubic metres of concrete. The Akashi Kaikyo Bridge, the longest suspension bridge in the world, has the record main span of 1,991 meters with the total length of four kilometers. History. The Akashi Kaikyō Bridge (明石海峡大橋, Akashi Kaikyō Ōhashi) is a suspension bridge, which links the city of Kobe on the Japanese mainland of Honshu to Iwaya on Awaji Island. But on January 17, 1995, the Great Hanshin Earthquake stretched the bridge an additional three feet. It is part of the ongoing Honshu-Shikoku Bridge Authority (HSBA) project to link the islands of Honshu, Awaji and Shikoku. What materials were used to build the nelson Mandela bridge? The Akashi Kaikyō Suspension Bridge has been designed to withstand earthquakes and harsh sea conditions. The structural rivets used in the bridge utilised a mild steel which had an ultimate tensile strength of between 413-482 MPa. Gale winds whip through the Strait. The project is located in Kobe and Awaji, Hyogo, Japan. Currently the longest spanning suspension bridge in the world, the Akashi Kaiko Bridge stretches 12,828 feet across the Akashi Strait to link the city of Kobe with Awaji-shima Island. The waters around the strait are important fishing areas. Japan consists … Educators' Guide | Shop. Not far out of Kobe in the town of Maiko lays the world’s longest suspension bridge – Akashi Kaiyo Bridge, also known as the Pearl Bridge. In 1998, Japanese engineers stretched the limits of bridge engineering with the completion of the Akashi Kaikyo Bridge. Since construction of the deck had not yet begun, the change was easily accommodated in the slightly altered final design. If conventional wires with a strength of 160 kgf/mm2 (1,570 N/mm2) were used, then the Akashi-Kaikyo Bridge would require 2 cables with a diameters of 1,000 millimeters on each side. But not finished. | It is 710 meters longer than the San Francisco's world-famous Golden Gate Bridge, built in 1937. The Akashi Strait Bridge was a challenge for engineers. Work crews hoisting the roadway of the Akashi Kaikyo Bridge, Kobe and Awaji-shima, Japan: Honshu-Shikoku Bridge Authority 290 sections make up the entire bridge. The towers of the bridge contain tuned mass dampers in order to diminish the vibrations in the structure during earthquakes and typhoons. Building began in 1988. The Akashi Kaikyo Bridge in Japan, which was completed in 1998, contains the world's longest suspension span (distance between support towers)—6,529 ft (1,991 m); the entire bridge, including the portions between the towers and the shores, totals nearly 2.5 mi (4 km). This Strait is located south of the city of Kobe and to the east of the major city of Osaka.. In addition, engineers placed 20 tuned mass dampers (TMDs) in each tower. The bridge crosses the Akashi Strait. The Kobe earthquake in January 17, 1995 is an example of the bridge’s strength. If conventional wires with a strength of 160 kgf/mm2 (1,570 N/mm2) were used, then the Akashi-Kaikyo Bridge would require 2 cables with a diameters of 1,000 millimeters on each side. The bridge has been used by approximately 25,000 cars every day along with its being a tourist attraction since 2005. The Akashi Kaikyo Bridge, the longest suspension bridge in the world, has the record main span of 1,991 meters with the total length of four kilometers. The Akashi Kaikyo Bridge, with a length of almost four kilometers, is the world’s longest suspension bridge.Opened in 1998, it spans the Akashi Strait (Akashi Kaikyo) between Kobe and Awaji Island and is part of the Kobe-Awaji-Naruto Expressway.. The TMDs swing in the opposite direction of the wind sway. The Akashi–Kaikyo bridge has a total of 1,737 illumination lights: 1,084 for the main cables, 116 for the main towers, 405 for the girders and 132 for the anchorages. Development of high-strength wire, a key player in reducing the weight of 2,000-meter-long suspension bridges. Such primitive bridges—some as long as 660 ft (200 m)—are still being used in areas such as rural India. Once the main cables and the vertical cables were in position the deck / roadway was fixed hanging below them. It would take four Brooklyn Bridges to span the same distance! Its two towers, at 928 feet, soar higher than any other bridge towers in the world. The original design of the bridge was prepared for both car… The Akashi Kaikyo Bridge. All rights reserved. The six-lane suspension bridge, which transformed a 45-minute ferry ride into a four-minute journey by car, was complete. The rope hangers used galvanized steel wire for high resistance. The spectacular view of the bridge at night resulted in the name, Pearl Bridge. The Akashi Kaikyo Suspension Bridge is the longest suspension bridge in the world and it is probably Japan’s greatest engineering feat. It spans a waterway 4km (3,911m) wide and is designed to withstand powerful typhoons, tsunami, and earthquakes. https://doi.org/10.1016/0167-6105(93)90142-b, https://doi.org/10.1016/s0167-6105(00)00056-8, https://doi.org/10.1177/0361198196154900102, Login And at 1,991 metres, its central span is the longest of any suspension bridge, anywhere. Japan experiences some of the worst weather on the planet. The bridge was originally designed to be 12,825 feet. The Akashi-Kaikyo Bridge in Japan is the world’s longest suspension bridge. The Akashi Kaikyo Bridge (AKB) is a three-span, two-hinged stiffening girder system suspension bridge that spans the Akashi Strait, connecting the Japanese mainland at Maiko, Taruni-ward in Kobe with Matsuho on Awaji Island. Addition, engineers placed 20 tuned mass dampers in order to diminish the vibrations in colors. Seismic event moved the towers of the bridge remains largely unaffected by the Kobe earthquake in January,... 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