Local Bending Stresses in Stay Cables with an Elastic Guide
|Issue:||Structural Engineering International", August 2010, n. 3, v. 20|
Cable-stayed bridges, like no other civil engineering structure, combine functionality and exotic architectural design that are often used as a symbol of distinction for the city or even for the region where they are situated. However, their attractive design requires special attention for multiple factors such as the occurrence of bending stresses in the stay cables due to vibration phenomena, displacements and rotations at the deck or pylon and construction tolerances. Therefore, in this scenario, stay cables are normally subjected to bending stresses at the anchorages or when passing through a saddle. In this paper both fixed end and elastic guide are considered and a set of analytical solutions is given. The development of the analytical solutions is accompanied by a detailed description and thorough discussion of some particular observations.
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