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A platform for research: civil engineering, architecture and urbanism
Dynamic response of sheet‒pile groin under tidal bore considering pile‒pile mutual interaction and hydrodynamic pressure
https://orcid.org/0000-0003-4575-7376
https://orcid.org/0000-0002-5311-412X
https://orcid.org/0000-0001-9407-9183
Abstract Sheet‒pile groin appearing as two rows of piles, with both pile heads connected by a concrete sheet, are widely applied to resist the tidal bores, although its dynamic soil‒structure mechanism is still under research. This paper utilizes the Euler beam and one‒dimensional rod to simulate the pile and sheet constituting the framework of the sheet‒pile groin, respectively, and Biot's poroelastic theory is introduced to simulate the layered saturated soil in which the sheet‒pile groin is embedded. To account for the pile‒pile mutual interactions, interaction factors considering the secondary wave effect are adopted. Radiation wave theory is adopted to simulate the hydrodynamic pressure. The theoretical solutions to the dynamic response of the sheet‒pile groin in the frequency and time domains are derived by applying the matrix calculations and the Fourier transform. The correctness and accuracy of the present solution have been verified through FEM results. An extensive parametric analysis is then conducted to investigate the influence of various factors on the dynamic horizontal complex impedance of the sheet‒pile groin.
Highlights Propose an analytical solution for the dynamic responses of sheet‒pile groin subjected to tidal bore excitation. Consider the secondary wave effect of the pile‒pile mutual interaction and hydrodynamic pressure. Compare with the numerical simulation method for verification. Comprehensively investigate the horizontal dynamic impedance of the sheet‒pile groin for parametric analysis.
Dynamic response of sheet‒pile groin under tidal bore considering pile‒pile mutual interaction and hydrodynamic pressure
https://orcid.org/0000-0003-4575-7376
https://orcid.org/0000-0002-5311-412X
https://orcid.org/0000-0001-9407-9183
Abstract Sheet‒pile groin appearing as two rows of piles, with both pile heads connected by a concrete sheet, are widely applied to resist the tidal bores, although its dynamic soil‒structure mechanism is still under research. This paper utilizes the Euler beam and one‒dimensional rod to simulate the pile and sheet constituting the framework of the sheet‒pile groin, respectively, and Biot's poroelastic theory is introduced to simulate the layered saturated soil in which the sheet‒pile groin is embedded. To account for the pile‒pile mutual interactions, interaction factors considering the secondary wave effect are adopted. Radiation wave theory is adopted to simulate the hydrodynamic pressure. The theoretical solutions to the dynamic response of the sheet‒pile groin in the frequency and time domains are derived by applying the matrix calculations and the Fourier transform. The correctness and accuracy of the present solution have been verified through FEM results. An extensive parametric analysis is then conducted to investigate the influence of various factors on the dynamic horizontal complex impedance of the sheet‒pile groin.
Highlights Propose an analytical solution for the dynamic responses of sheet‒pile groin subjected to tidal bore excitation. Consider the secondary wave effect of the pile‒pile mutual interaction and hydrodynamic pressure. Compare with the numerical simulation method for verification. Comprehensively investigate the horizontal dynamic impedance of the sheet‒pile groin for parametric analysis.
Dynamic response of sheet‒pile groin under tidal bore considering pile‒pile mutual interaction and hydrodynamic pressure
https://orcid.org/0000-0003-4575-7376
https://orcid.org/0000-0002-5311-412X
https://orcid.org/0000-0001-9407-9183
Abstract Sheet‒pile groin appearing as two rows of piles, with both pile heads connected by a concrete sheet, are widely applied to resist the tidal bores, although its dynamic soil‒structure mechanism is still under research. This paper utilizes the Euler beam and one‒dimensional rod to simulate the pile and sheet constituting the framework of the sheet‒pile groin, respectively, and Biot's poroelastic theory is introduced to simulate the layered saturated soil in which the sheet‒pile groin is embedded. To account for the pile‒pile mutual interactions, interaction factors considering the secondary wave effect are adopted. Radiation wave theory is adopted to simulate the hydrodynamic pressure. The theoretical solutions to the dynamic response of the sheet‒pile groin in the frequency and time domains are derived by applying the matrix calculations and the Fourier transform. The correctness and accuracy of the present solution have been verified through FEM results. An extensive parametric analysis is then conducted to investigate the influence of various factors on the dynamic horizontal complex impedance of the sheet‒pile groin.
Highlights Propose an analytical solution for the dynamic responses of sheet‒pile groin subjected to tidal bore excitation. Consider the secondary wave effect of the pile‒pile mutual interaction and hydrodynamic pressure. Compare with the numerical simulation method for verification. Comprehensively investigate the horizontal dynamic impedance of the sheet‒pile groin for parametric analysis.
Dynamic response of sheet‒pile groin under tidal bore considering pile‒pile mutual interaction and hydrodynamic pressure
Wu, Tao (author) / Zhang, Yunpeng (author) / Sun, Honglei (author) / Galindo, Rubén (author) / Wu, Wenbing (author) / Cai, Yuanqiang (author)
2022-09-27
Article (Journal)
Electronic Resource
English
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