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List of products by author: M. Pescara
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An integrated design approach for the design of segmental tunnel lining in an EPB-Shield driven tunnel-A case study...
Abstract: This paper is intended to present an integrated design approach to provide a flexible design of pre-cast segmental lining in terms of the quantity of steel reinforcements for an EPB (Earth Pressure Balanced Shield) driven tunnel in urban area. The integrated design approach is based on Analytical Solution, Bedded-Spring Method, and Numerical Analysis. In this way, the solicitations obtained by...
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Cross passages between twin tunnels. Preliminary design schemes
Abstract: When a project includes two parallel tunnels, cross passages linking both tunnels are normally constructed for safety reasons during tunnel exercise. Design and construction of the cross passages is a challenging issue in tunnelling design. Excavating cross passages through rock, soft ground, and mixed face conditions presents very different challenges as well as handling groundwater creates...
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Segmental Lining Design Optimization Against Reliable TBM Thrusting Conditions
Abstract: TBM thrust is, in many precast segmental lining designs, the critical loading condition when deciding between only FRC (Fibres Reinforced Concrete) or hybrid solutions (fibres + steel conventional bars). Traditionally, the TBM (Tunnel Boring Machine) pushing value used as reference by designers, when structurally checking this temporary stage, has been the maximum (or exceptional) thrust...
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