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Protection contre les chutes de pierres - Sissach-Eptingen 2022

Protection systems above the national highway A2

Protection contre les chutes de pierres - Sissach-Eptingen 2022

Transport by helicopter

Protection contre les chutes de pierres - Sissach-Eptingen 2022

Mounting work

Protection contre les chutes de pierres - Sissach-Eptingen 2022

Start of the night shift

Protection contre les chutes de pierres - Sissach-Eptingen 2022

The protected highway from above

 

Longueur du système

70 m - 225 m

 

Année d’installation

2022

Situation de départ

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

Objet protégé

Route/Rue

Protection anticorrosion

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