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- Monitoring (3)
- Bauwerksüberwachung (1)
- Berlin Main Station (1)
- Data acquisition (1)
- Differential displacements (1)
- Fibre optic sensors (1)
- Fibre-optic sensors (1)
- Hydraulic levelling system (1)
- Hydrostatic levelling system (1)
- Laser-based displacement measuring system (1)
- Long term monitoring (1)
- Online data (1)
- Sensoren (1)
- Strain measurement (1)
- Strain measurements (1)
- Structure behaviour (1)
- Vertical displacement (1)
- Web presentation (1)
Berlin Main Station is the largest multi-level station in Europe. Its daily passenger number amounts to over 300.000. Structures built for such a large number of people require a high-level safety standard. The station was built on the inner city site of the historic Lehrter Bahnhof. The conditions for building and start of operation were challenging by several reasons. The typical sandy ground with a high level of groundwater makes the permanent static stability of such a complex structure difficult. Several completed, ongoing, and planned construction activities in the immediate vicinity of the station influence the ground settlement of the whole area. On basis of the structural design an impact prediction was calculated, which expected certain vertical displacements particularly between the single columns of the outer concrete bridges of the building. These columns support the glass roof construction, which only allows a defined limit of displacement. In order to avoid damage, a concept for monitoring and adjusting potentially occurring displacements was developed for installation at the outer bridges of the station.