Railway line in Bavaria threatened by unstable slope - extensive construction site at risk
In a bid to ensure the safety of rail traffic, Deutsche Bahn (DB) is carrying out slope repair work on the S4 near Fürstenfeldbruck, Germany. The work, scheduled to be completed by the end of November, will involve the use of large construction machines such as excavators and dump trucks.
Recently, a tree caused a stir on the S4, highlighting the need for these repairs. DB has planned night work between August 25 and 31 to minimise disruptions during daytime. The night work will take place between 21:45 and 5:05.
The repair work will utilise a hydro-cementation process, specifically the HZV method, for slope stabilisation. Although the exact details of the process are not publicly available, this method typically involves injecting cementitious materials hydraulically into soil or rock to improve strength and reduce permeability, aiding in the prevention of landslides or erosion.
While this method is expected to enhance slope stability, extend the lifespan of infrastructure, and reduce maintenance costs, it's important to note that noise disturbances during the repair work cannot be ruled out.
Tree removals are inevitable in the course of renovations. A careful balancing act between road safety and nature conservation is indispensable during renovations. S4 traffic will remain restricted due to work at Eichenau station, running only hourly instead of its usual interval until late August.
The renovation is necessary due to progressive slope failure posing a significant risk to rail traffic. DB InfraGO, the infrastructure arm of Deutsche Bahn, is overseeing the project.
While specific technical parameters and operational outcomes for DB’s project remain unclear from the current search results, the use of hydro-cementation for slope stabilisation near infrastructure like railways is a common practice in the industry. Further specialized publications or DB engineering reports would be needed for comprehensive details.
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