PRAGUE METRO LINE D | BTS


several phases. The southern section is designed to receive the TBM coming from the south. The walls are designed as a combination of pile walls, soldier pile walls and sheet pile walls. 9b. Nemocnice Krc Station Box This station is a typical station box. It is dived into two phases to allow for the diversion of the highway during the construction. The box is constructed from secant pile walls with anchors provided at several levels. Some of the walls will act as foundations for future Over Site Development, with the design based on loading derived from initial studies for the buildings. 9c. Rezerva TBM Launch Shaft The final part of Mott MacDonald’s scope is the shaft where the TBMs are launched on northward drives. The shaft is constructed using diaphragm walls (D-Walls) with flood protection barrier included, in case of


flooding in the local area. The D-Walls are supported with a combination of ground anchors and props.


10. CONCLUSIONS Nové Dvory is a large, complex mined station executed in competent shales with high groundwater levels, requiring robust NATM staging, 3D analysis and logistics-led features such as the mid-station dome. The escalator connection and turnout complex impose unusual geometries, but the design presents a clear sequence to control deformation and maintain programme in the lead-up to TBM arrival. The work illustrates how Prague’s heavy-metro


tradition is evolving toward expansive single-cavern stations where geology permits—balancing architectural ambition with constructability and ground response.


Below:


Isometrics of anticipated construction sequence at the station connection with ETS


April 2026 | 15


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