Title: Method for investigating the reliability of structural elements of cable-stayed supports' anchorage: a case study of the Russky Bridge
Abstract: This paper presents the manufacturing technique, anchoring efficiency, design concept, and anchoring analysis of the Russky bridge anchor cables. Cable anchorages are one of the most critical components of a cable-stayed bridge, which has a complicated construction and bears significant weight. The bridge route can handle over 50,000 cars per day. The backstays and cable anchorages of the Russky bridge play a dominant role in ensuring the overall stability of the structural system. The backstay helps stabilize the end of the pylon because it anchors the pylon back toward the side span when the main span is carrying a live load. The backstay and anchorage forces are increased by the live load q on the main span. When the live load q occupies just the side span, the backstay forces are reduced to a minimum. In comparison to all other cables, the backstays and anchorages are subject to the most stress variations/amplitudes. In this paper, a method will be developed to determine the dimensions and forces at the anchorage point of stay cable under dead load (internal force balanced method) where the stress differences are safely less than its fatigue strength. by disregarding the bending stiffness of the deck and that all stay cables crisscross at the top of the pylon head.