Research on the response of submerged rloating tunnel under fatigue loads

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Abstract

Submerged floating tunnel(SFT) has coused worldwide concern as an innovative large span structure. A refined 3D finite element structural model is established for a submerged floating tunnel, the response under fatigue loads is investigated and the weak points of strucure analysed, while the loads include traffic load, fluid forces, wave impactions. The results shows that: 1) Near the connection section of anchor cable, fatigue damage would be easily generated due to the .2)If the space between anchor cable is dense enough, the stress and displacement at tubulation midspan would not change a lot. 3)If there appears rather strong stress area in the upper part of anchoring tubulation,instability should be noticed. © 2011 Published by Elsevier Ltd.

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Li, J., Lv, X., & Tan, J. (2012). Research on the response of submerged rloating tunnel under fatigue loads. In Procedia Engineering (Vol. 31, pp. 447–452). https://doi.org/10.1016/j.proeng.2012.01.1050

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