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Strategic Study of CAE >> 2019, Volume 21, Issue 3 doi: 10.15302/J-SSCAE-2019.03.011

Wave Current Force Action and Foundation Scour of Marine Bridges

1. Department of Bridge Engineering, Southwest Jiaotong University, Chengdu 610031, China;

2. China Railway Major Bridge Reconnaissance & Design Institute Co., Ltd., Wuhan 430056, China;

3. Nanjing Hydraulic Research Institute, Nanjing 210029, China

Funding project:中国工程院咨询项目“海洋桥梁工程技术发展战略研究”(2016-XZ-13) Received: 2019-04-25 Revised: 2019-05-13

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Abstract

With marine bridges extending to the deep sea, wave current force action and scouring on bridge foundations have become the main factors threatening bridge safety. To ensure the design rationality as well as construction and operation safety of bridges, this paper sorts out the major problems faced by marine bridges in terms of wave force action and foundation scour, and proposes that marine bridges should be developed in high-precision prediction method, environmental prediction and pre-warning systems, research on multi-factor coupling effect of environment, scour numerical simulation technology, and wave current force calculation method. Furthermore, countermeasures are proposed from the aspects of macroscopic management, industrial application, and academic technology.

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