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Non-Linear Analysis of Precast Concrete Segment Joints under High Compressive Loads

Boye, Brian Adjetey; Abbey, Samuel Jonah; Olubanwo, Adegoke Omotayo; Fonte, Joao


Brian Adjetey Boye

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Samuel Abbey
Senior Lecturer in Geotechnical Engineering

Adegoke Omotayo Olubanwo

Joao Fonte



When a precast concrete tunnel lining is loaded, the joints rotate as the lining deforms leading to varying contact lengths. This paper presents a numerical study on a precast concrete segment joint subjected to a high compressive loading, using nonlinear finite element analysis. The precast concrete segment joint was idealised as a t wo-dimensional (2D) prismatic block and subjected to a 6000kN compressive load. The varying contact lengths due to deformation of the linings and joint rotation under loading was represented as varying load widths in the idealised model. The Mohr Coulomb model was used to approximate the non-linear behaviour of concrete in tension and compression with an introduction of tension cutoff to the Mohr Coulomb model to represent the tensile capacity of concrete based on mean tensile strength. The transverse tensile bursting stresses in the idealised block was analysed for different load width ratios (a/d) and compressive strengths of concrete and presented as proportions of the uniformly distributed basic stress on the idealised block. The tensile bursting stress distributions for varying load widths and characteristics concrete strengths was developed into design charts for use by engineers in industries to eliminate the need for extensive finite element analysis and use of empirical relations. The area under the bursting stress distribution curve is the total bursting force and was found to decreases with increase in load width ratio.


Boye, B. A., Abbey, S. J., Olubanwo, A. O., & Fonte, J. (2018). Non-Linear Analysis of Precast Concrete Segment Joints under High Compressive Loads. International Journal of Applied Engineering Research, 13(9), 6979-6988

Journal Article Type Article
Acceptance Date Jan 30, 2018
Online Publication Date Feb 1, 2018
Publication Date 2018
Deposit Date Sep 26, 2019
Journal International Journal of Applied Engineering Research
Print ISSN 0976-4259
Publisher Integrated Publishing Association
Peer Reviewed Peer Reviewed
Volume 13
Issue 9
Pages 6979-6988
Keywords tensile bursting; precast concrete; tunnel segments; radial joint; TBM ram; circumferential joint; reinforced concrete; finite element analysis
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