WSL > Research units > Mountain Hydrology > Group Mass Movements > Projects > Numerical modeling and design of flexible debris flow barriers

Numerical modeling and design of flexible debris flow barriers

The research project leads to a numerical simulation tool that models the interaction between a debris flow and a flexible protection barrier. Similar types of barriers are also used against rockfalls. But compared to this application with a well-known load due to the rigid behaviour of the rock, the loads submitted by a debris flow are quite unknown. An extensive experimental programme with full-size and laboratory dynamic tests delivers the needed information for proper simulation models.

A flexible debris flow barrier installed at the Illbach (location of the WSL's automated debris flow observation station) and in the laboratory at WSL, Birmensdorf provide the necessary data.

Filled debris flow barrier in Illgraben (VS)

A common project with Geobrugg AG, partly financed by Innovation KTI

CONTACT:
Axel Volkwein, Corinna Wendeler

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