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- Title
Finite Element Analysis for the Free Vibration of a Rigid Pavement resting on a Non-uniform Elastic Foundation.
- Authors
Bui Tuan Anh; Nguyen Trong Hiep; Le Vinh An; Nguyen Van Lap
- Abstract
This paper presents a finite element analysis of the free vibration behavior of rigid pavements resting on non-uniform foundations. The rigid pavement was modeled using the Mindlin plate theory, while the supporting soil medium was approximated by a Winkler model with non-uniform stiffness. A finite element formulation was established to govern the equation of free vibration for rigid pavements. Subsequently, a computer program was developed based on the proposed algorithm, enabling the determination of natural frequencies and mode shapes. The accuracy of the proposed method was verified by comparing numerical examples of free vibration with analytical results. These numerical examples also demonstrate the significant influence of the foundation stiffness on natural frequencies and mode shapes.
- Subjects
FREE vibration; ELASTIC foundations; MODE shapes; PAVEMENTS; MINDLIN theory; FINITE element method
- Publication
Engineering, Technology & Applied Science Research, 2024, Vol 14, Issue 1, p12452
- ISSN
2241-4487
- Publication type
Article
- DOI
10.48084/etasr.6039