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A forced-based pushover analysis of the SBB Rotonde (“Roundhouse”) in Brig was conducted. The Rotonde was built was built according to the System Hennebique in 1904 and is a statically complex structure with asymmetry in the floor plan and curved shaped structure elements. It is a construction with a previous conversion and extension. With the seismic analysis of the structure (importance class II) today’s code standards could not be fulfilled, i.e. a compliance factor α < 1.0 was evaluated. The following solutions were chosen as seismic retrofitting: With these small amount of intervention into the structure the horizontal resistance was enough increased to evaluate a compliance factor of α = 1.0. The project was awarded with the seismic award 2024 from the Swiss Foundation for Structural Dynamics and Earthquake Engineering.

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Restoration and Seismic Retrofitting of the SBB Rotonde in Brig VS

  • 会议论文

  • 发表日期：

    2026年

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  • Walter Borgogno,
  • Stefan Eyyi

摘要

A forced-based pushover analysis of the SBB Rotonde (“Roundhouse”) in Brig was conducted. The Rotonde was built was built according to the System Hennebique in 1904 and is a statically complex structure with asymmetry in the floor plan and curved shaped structure elements. It is a construction with a previous conversion and extension. With the seismic analysis of the structure (importance class II) today’s code standards could not be fulfilled, i.e. a compliance factor α < 1.0 was evaluated. The following solutions were chosen as seismic retrofitting: With these small amount of intervention into the structure the horizontal resistance was enough increased to evaluate a compliance factor of α = 1.0. The project was awarded with the seismic award 2024 from the Swiss Foundation for Structural Dynamics and Earthquake Engineering.