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Bulletin of Engineering Geology and the Environment

Erschienen in:

01.07.2024 | Original Paper

Experimental and finite element analyses of seismic behavior of pile-reinforced soft clayey slope

verfasst von: Lei Zhang, Panpan Zhang, Cheng Chen, Zhen Zhang, Rui Rui

Erschienen in: Bulletin of Engineering Geology and the Environment | Ausgabe 7/2024

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Abstract

In this study, a series of shaking table model tests and three-dimensional (3D) finite element (FE) analyses were performed to mainly investigate the seismic deformations of clayey slopes reinforced by different pile configurations. The influences of ground motion intensity and frequency, and flexural rigidity, length and installation location of pile were systematically investigated. For the different pile configurations considered, the pile-cap system was found to be most effective improving the seismic stability of the clayey slope; the frontal piles tended to experience much larger bending moments than the rear piles, exhibiting a clear shadowing effect of the frontal piles. The acceleration amplification factors and maximum relative displacements of monitoring points along the slope surface were found to generally increase with the elevation, which tended to respectively become smaller and more significant with the increasing ground motion intensity. For pile flexural rigidity larger than 6.03×10⁵ kN·m², the reinforcement performance of the pile-cap system on the clayey slope under seismic shakings could not be effectively improved; besides, the viable pile length and installation location were proposed for improving the seismic stability of clayey slope reinforced by the pile-cap system.

Vorheriger Artikel Overview of mechanical degradation of aggregates, related standards, and the empirical relations of the parameters

Nächster Artikel Evaluation of fine material and chip formation in rock cutting with a conical tool

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Titel: Experimental and finite element analyses of seismic behavior of pile-reinforced soft clayey slope
verfasst von: Lei Zhang
Panpan Zhang
Cheng Chen
Zhen Zhang
Rui Rui
Publikationsdatum: 01.07.2024
Verlag: Springer Berlin Heidelberg
Erschienen in: Bulletin of Engineering Geology and the Environment / Ausgabe 7/2024
Print ISSN: 1435-9529
Elektronische ISSN: 1435-9537
DOI: https://doi.org/10.1007/s10064-024-03772-0

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