<p>Hwamyung Bridge over the Nakdong River is the largest cast-in place concrete cable stayed bridge in Korea with a center span of 270m and side span of 115m each. The stay-cables are spaced at 6.8m along the box girder and arranged in a semi-harp configuration. They are anchored at central single towers with vertical leg extending 65m above the deck. With the closure of center span in November 2010, the erection of cable and box girder, which is a major portion of the bridge construction, was completed.</p>
<p>Hwayang Bridge is linking Hwayang-myeon with Jobal-do, Hwajeong-myeon of Yeosu, Jeollanam- do, Korea. Hyundai E&C was awarded the turnkey contract in May 2011, and the construction has started since December 2011. Hwayang Bridge is a concrete cable-stayed bridge with the total span of 854m, composed of a main span of 500m and side spans of 177m. It is ranked the 2nd longest concrete cable-stayed bridge in the world in terms of the main span length. PWS(Parallel Wire Strand) cables with the high strength of 1,860MPa are used and the half cylinder plate is used for the caisson installation. This paper gives brief introduction of the planning and detailed design of Hwayang Bridge, focusing on the overall structural configurations of the bridge.</p>
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