Treng-Treng Kay-Kay Cable-Stayed Bridge

摘要

The TrengTreng - KayKay Bridge is a cable-stayed bridge that crosses over the River Cautín and itrnis located on the outskirts of Temuco, Chile. The design of the pylon`s shape is based on a localrnlegend and it represents two snakes, corresponding to good and evil, biting each other. Thernstructure, with a total length of 240 m, is composed of four minor spans and the main one, 140 mrnlong, is cable-stayed. The deck is 27 m wide and bears two traffic lanes, and its correspondingrnsidewalks, in each direction and a bike lane. Both the deck and the pylon are designed asrnprestressed concrete structures. The main staying system is composed of two planes of 12 cablesrneach one, arranged creating a fan disposition. The back staying system is formed by two pairs ofrnfour parallel cables that are anchored two the retaining abutment. Once the erection is finished,rnTrengTreng – KayKay will be the first modern cable-stayed bridge in Chile.