Suspension Bridge: The Akashi Kaikyo Bridge

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Suspension Bridge:
The Akashi Kaikyo Bridge
Location of the Bridge
The Akashi Kaikyo Bridge, or ‘Pearl Bridge’, is built across the Akashi Strait in west-central Japan. This massive structure connects the city of Kōbe- situated on the main island of Honshu- to Iwaya on Awaji Island. The project began in May, 1988, and was opened to the public in April, 1998- almost a decade following the beginning of construction.
Size and Mass
This bridge is approximately 3,911 metres in total length, with a width of 1,991 m (six-lane roadway) and is 282.8 m in height. The total mass- including both the concrete and steel components- of the Pearl Bridge is estimated at 1.5 million tonnes.
Construction Materials
The Akashi Kaikyo Bridge itself consists mainly of steel, however, to prevent the sway or collapse of the bridge from the ‘fast swirling tidal currents’ of the Akashi Strait they built supporting foundations of concrete. These cylinders of concrete are 70m in height and have a diameter of 80m, each reinforcing the stability of one of the two supporting towers of the bridge.
Similarly, coun...

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