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Rockfall Protection - Sissach-Eptingen 2022

Protection systems above the national highway A2

Rockfall Protection - Sissach-Eptingen 2022

Transport by helicopter

Rockfall Protection - Sissach-Eptingen 2022

Mounting work

Rockfall Protection - Sissach-Eptingen 2022

Start of the night shift

Rockfall Protection - Sissach-Eptingen 2022

The protected highway from above

 

System length

70 m - 225 m

 

Year of installation

2022

Initial situation

Rockfalls endangered the Sissach-Eptingen section of the freeway, so the Swiss Federal Roads Office ASTRA commissioned a maintenance project. 

Description

The measures included rock cleaning, net covers, the installation of rockfall protection structures, the permanent tie-back of rock sections and the construction of concrete support piers.

To ensure the safety of road users, three different rockfall barriers with a total length of around 500 meters were installed. Work began at the end of June 2022 with nighttime work above both portals of the Oberburg Tunnel. One lane had to be closed to traffic at a time. 

Pictures: Gasser Felstechnik AG

Engineering

Protected object

Road

Corrosion protection

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Kevin H. Coyle

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