AM Naggasa
Use of finite element analysis to investigate the structural behaviour of masonry arch bridges subject to foundation settlement
Naggasa, AM; Augusthus Nelson, L; Haynes, BJ
Authors
Dr Levingshan Augusthus Nelson L.AugusthusNelson@salford.ac.uk
Lecturer
Mr Jonathan Haynes B.J.Haynes@salford.ac.uk
Associate Professor/Reader
Abstract
This paper investigates the effect of foundation settling on masonry arch bridge structural behaviour using Finite Element Analysis (FEA). Masonry arch bridges form a
large proportion of existing European infrastructure such as rail and road bridges. These structures are very robust but can fail for several reasons, principally as a result of excessive compressive or tensile stress or movements of the foundation. Masonry arch bridges operate by transfer of axial compression, and their curved geometry means that their support reactions have horizontal and vertical components. Therefore, the stability of these structures depends on the ability of the foundation to resist horizontal and vertical forces without excessive sliding and settlement respectively. This makes arch foundation movement one of the most prominent reasons for failure. In this study a 3D, single span, voussoir masonry arch bridge is modelled using ABAQUS including the effects of soil-structure interaction and foundation movement. The results of parametric studies are presented and discussed. Validation of structural behaviour is made by comparison with physical testing.
Presentation Conference Type | Other |
---|---|
Conference Name | 10th International Masonry Conference |
Start Date | Jul 9, 2018 |
End Date | Jul 11, 2018 |
Acceptance Date | Apr 1, 2018 |
Deposit Date | Apr 24, 2018 |
Publicly Available Date | Jul 12, 2018 |
Publisher URL | http://www.10imc.com/ |
Additional Information | Event Type : Conference |
Files
10IMC Modelling arches with Foundation Movement.pdf
(384 Kb)
PDF
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