Experimental Investigation of Wave–Current Loads on a Bridge Shuttle-Shaped Cap–Pile Foundation

Chenkai Hong^1,2,*, Zhongda Lyu^2,*, Fei Wang², Zhuo Zhao², Lei Wang²
1 College of Science and Technology, Ningbo University, Ningbo, 315300, China
2 Engineering Research Center of Industrial Construction in Civil Engineering of Zhejiang Province, Ningbo University of Technology, Ningbo, 315211, China
* Corresponding Author: Chenkai Hong. Email: email ; Zhongda Lyu. Email: email

Fluid Dynamics & Materials Processing https://doi.org/10.32604/fdmp.2024.042685

Received 08 June 2023; Accepted 02 February 2024; Published online 28 March 2024

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Abstract

To scrutinize the characteristics of wave–current loads on a bridge shuttle-shaped cap–pile foundation, a 1:125 test model was considered in a laboratory flume. The inline, transverse and vertical wave–current forces acting on the shuttle-shaped cap–pile group model were measured considering both random waves and a combination of random waves with a current. The experimental results have shown that the wave–current forces can be well correlated with the wave height, the wavelength, the current velocity, the incident direction and the water level in the marine environment. An increase in the current velocity can lead to a sharp increase in the inline and transverse wave–current forces, while the vertical wave-current force decreases. Moreover, the wave–current forces are particularly strong when a combination of high tide, strong wave and strong current is considered.

Keywords

Shuttle-shaped cap–pile foundation; wave–current force; wave flume experiment; sea-crossing bridge

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Experimental Investigation of Wave–Current Loads on a Bridge Shuttle-Shaped Cap–Pile Foundation

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