E3S Web Conf.
Volume 136, 20192019 International Conference on Building Energy Conservation, Thermal Safety and Environmental Pollution Control (ICBTE 2019)
|Number of page(s)||5|
|Section||Urban Public Safety|
|Published online||10 December 2019|
Research on the Calculation Method of Navigable Effective Width of Two Bridges Near Layout
1 The traffic department of transportation Water Science Research Institute, Beijing 100088, China
2 Chongqing Southwest Waterway Engineering Scientific Research Institute, Chongqing Jiaotong University, Chongqing 400016, China
* Corresponding author's e-mail: email@example.com
New-builtbridges andold bridges in inland waterwaysnear layout,the intersects angle that the normal direction of bridges axes andthe flow directionis more than 5, it is an important issuethat the navigable effective widthis determinedscientificallyand reasonably to ensure the safety of ships and bridge.In this paper, navigable effective clearance widthof two bridges as a wholeare calculated based on channel conditions and pier layout,which calculate the navigable effective width in the channel direction by oblique projection, determine the turbulence width by physical model test, graphicsand compare. Finally, taking the Lijiatuo Yangtze River secondbridge project in Chongqing as an example, the scientific and rationality of this method is verified, which can provide reference for the determination of navigable effective clearance widthof similar bridges in the future.
© The Authors, published by EDP Sciences, 2019
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