Durable precast tunnel linings
Experimental and analytical research on curved precast concrete tunnel segments reinforced with corrosion-resistant GFRP bars.
How do curvature, concrete properties, and GFRP reinforcement affect the strength and serviceability of precast tunnel lining segments?
- Research context
- Université de Sherbrooke
- Period
- Doctoral research · 2019–2023
- Research collaborators
- Brahim Benmokrane, S. Mousa, and H. M. Mohamed
My contribution
- Conducting full-scale segment tests to investigate flexural and shear behavior.
- Developing deflection prediction procedures for curvilinear GFRP-RC members.
- Developing strength interaction diagrams and examining the effect of curvature on flexural and shear resistance.
- Developing new theories to account for the effect of curvilinearity on the flexural and shear strength of tunnel lining segments.
- Characterizing non-pultruded curvilinear GFRP bars, including mechanical behavior and alkaline durability.
Findings and relevance
The research provides experimentally informed methods for assessing segment strength and serviceability. It links reinforcement characterization to structural performance and design calculations.
Continuing questions
Related interests include durable underground infrastructure, precast systems, and design methods for curved concrete members.
Publications
Curvilinearity effect on the flexural and shear strength of curved GFRP-reinforced concrete members
Hosseini, S. M., Mousa, S., Mohamed, H. M., and Benmokrane, B.
ACI Structural Journal, 122(3)
Long-term durability of non-pultruded curvilinear GFRP bars exposed to an alkaline environment: Experimental studies and modeling
Hosseini, S. M., Mousa, S., Mohamed, H. M., and Benmokrane, B.
Journal of Composites for Construction, 28(3), 04024005
Deflection control methodologies for curvilinear concrete members reinforced with GFRP bars
Hosseini, S. M., Mousa, S., Mohamed, H. M., and Benmokrane, B.
ACI Structural Journal, 120(5), 153–167
Experimental and analytical investigation of precast fiber-reinforced concrete (FRC) tunnel lining segments reinforced with glass-FRP bars
Hosseini, S. M., Mousa, S., Mohamed, H. M., Ferrier, E., and Benmokrane, B.
Tunnelling and Underground Space Technology, 139, 105230
Development of strength interaction diagrams for designing precast concrete tunnel lining segments reinforced with GFRP bars
Hosseini, S. M., Mousa, S., Mohamed, H. M., and Benmokrane, B.
Engineering Structures, 284, 115976
Experimental and analytical study on precast high-strength concrete tunnel lining segments reinforced with GFRP bars
Hosseini, S. M., Mousa, S., Mohamed, H. M., Eslami, A., and Benmokrane, B.
Journal of Composites for Construction, 26(5), 04022062
Structural behavior of precast reinforced concrete tunnel segments with glass fiber-reinforced polymer bars and ties under bending load
Hosseini, S. M., Mousa, S., Mohamed, H. M., and Benmokrane, B.
ACI Structural Journal, 119(1), 307–319