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PDF(1652 KB)
PDF(1652 KB)
海洋桥梁工程抗风安全的难题及其对策思考
Wind Resistance Safety of Marine Bridge Engineering and Corresponding Guarantee Countermeasures
与近海、内陆大跨桥梁工程相比，未来建设的深水海洋桥梁工程面临的风场环境将更加复杂，其抗风安全问题也必然更加严峻。本文首先分析了大跨度海洋桥梁工程的抗风研究现状，然后从海洋桥梁场址风场特性、抗风设计理论、风振控制技术和行车安全防风技术四方面，重点梳理了海洋桥梁工程抗风安全面临的重点难点问题及技术发展方向。在此基础上，探讨了海洋桥梁工程抗风的安全保障对策。
Compared with that of the offshore and inland long-span bridges, the wind field of marine bridges will be more complicated, and their wind resistance safety will inevitably become tougher. This paper first analyzes the status quo of wind-resistance research of long-span bridges, and then focuses on the difficulties and technical problems regarding four aspects: wind field characteristics, wind-resistant design theories, countermeasures for wind-induced vibration, and windbreak technologies for driving safety. Based on these analyses, countermeasures for guaranteeing wind resistance safety of marine bridges are proposed.
marine bridge engineering / wind resistance safety / typhoon / aerodynamic countermeasures
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