POSCO delivers not only the high quality, high strength steel used in skyscrapers but also a
wide range of solutions for optimal construction including welding, design and performance testing, writing a new chapter for the erection of high rise buildings.
Long Span Bridge
A bridge is called a long span bridge if the distance between the main towers is over 1 kilometer. There are two types of long span bridges: a suspension bridge and a cable-stayed bridge.
Cables
In a suspension or cable-stayed bridge, cables transfer load applied to the superstructure to the main towers to support the bridge. For this application, POSCO¡¯s steel wires are extensively used.They are made by twisting wires made of POSCO¡¯s wire rods. This way they can be extremely strong: One strand of steel thinner than a straw can bear the weight of a 4.5-ton truck. The cables are highly resistant to rust when they are used over the sea, enabling the bridge to stay durable and long-lasting.
A suspension bridge uses cables and hangars to transfer the load of the bridge to the superstructure. Examples in Korea include Gwangan Bridge and Yeongjong Bridge.
A cable-stayed bridge uses cables connected to the main towers to support the superstructure. Examples in Korea include Incheon Bridge and Seohae Bridge.
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2020-11-30
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ETC
[Asian Steel Watch] Shifting Needs for Steel Materials with the Rise of 5G Telecommunications and Sm
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2019-10-08
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Bend It Like Steel: Meet Jin-Young Song, the Winner of the 2019 Forge Prize
2019-07-26
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Is ¡®Home Steel Home¡¯ the Future?
2019-05-31
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2018-05-09
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