Super-long bridges with floating towers: the role of multi-box decks and Hardware-In-the-Loop technology for wind tunnel tests

1st Conference of Computational Methods in Offshore Technology

计算机科学

Zasso, A.^1 ; Argentini, T.^1 ; Bayati, I.^1 ; Belloli, M.^1 ; Rocchi, D.^1

Politecnico di Milano, Department of Mechanical Engineering, Milan, Italy^1

关键词: Aeroelastic stability;    Bridge response;    Floating solutions;    Hard-ware-in-the-loop;    Long-span bridge design;    Stability performance;    Wave forcing;    Wind tunnel tests;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/276/1/012008/pdf
DOI  :  10.1088/1757-899X/276/1/012008

学科分类：计算机科学（综合）

来源: IOP

【 摘 要 】

The super long fjord crossings in E39 Norwegian project pose new challenges to long span bridge design and construction technology. Proposed solutions should consider the adoption of bridge deck with super long spans or floating solutions for at least one of the towers, due to the relevant fjord depth. At the same time, the exposed fjord environment, possibly facing the open ocean, calls for higher aerodynamic stability performances. In relation to this scenario, the present paper addresses two topics: 1) the aerodynamic advantages of multi-box deck sections in terms of aeroelastic stability, and 2) an experimental setup in a wind tunnel able to simulate the aeroelastic bridge response including the wave forcing on the floating.