智力50+140+50m斜拉桥建造技术 -中国道桥网

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资料名称:	智力50+140+50m斜拉桥建造技术
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Construcción Puente Treng Treng y Kay Kay”of Cable-stayed Bridge  （Cautín River）

23 m + 27 m + 140 m (cable-stayed span over Cautín River) + 27 m + 23 m

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The TrengTreng - KayKay Bridge is a cable-stayed bridge that crosses over the River Caut&#195;&#173;n and it is located on the outskirts of Temuco, Chile. The design of the pylon`s shape is based on a local legend and it represents two snakes, corresponding to good and evil, biting each other. The structure, with a total length of 240 m, is composed of four minor spans and the main one, 140 m long, is cable-stayed. The deck is 27 m wide and bears two traffic lanes, and its corresponding sidewalks, in each direction and a bike lane. Both the deck and the pylon are designed as prestressed concrete structures. The main staying system is composed of two planes of 12 cables each one, arranged creating a fan disposition. The back staying system is formed by two pairs of four parallel cables that are anchored two the retaining abutment. Once the erection is finished, TrengTreng &#226;&#128;&#147; KayKay will be the first modern cable-stayed bridge in Chile.