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Monitoring - RD242 Miribel-Lanchâtre 2023

VX140 upstream barrier with view of the village of St Guillaume and the Trièves mountains

Monitoring - RD242 Miribel-Lanchâtre 2023

Event on 10 November 2022 that reached the road

Monitoring - RD242 Miribel-Lanchâtre 2023

Aerial view of the solution implemented with erosion protection mat at the top, VX140 then VX080 barrier on the way down

Monitoring - RD242 Miribel-Lanchâtre 2023

VX140 barrier, height 4 meters with angle to protect the upper edge cables from damage

Monitoring - RD242 Miribel-Lanchâtre 2023

VX080 barrier, 4 meters high, sized to take the overflow from the upstream VX140 barrier

 
 

Ano de instalação

2023

Situação inicial

A landslide with a volume of around 700 m³ started in 2018 in the upper part of a talweg upstream of the Road (RD242), due to the action of significant hydraulic inputs.

Since then, during each period of bad weather, debris has been carried into the talweg. In December 2022  200 m³ were spilled onto the road.

The road remained under constant threat of further flooding during bad weather.

Descrição

The upper area was stabilized with TECCO GREEN flexible facing and spike plates.

A VX140 barrier 4 m high provides the first level of retention, with an estimated retention volume of 225 m³.

A few dozen meters downstream, a second VX080 barrier will absorb the excess volume that has passed over the upstream barrier.

País / Região

França

Promotor

Grenoble Alpes Métropole

Empreteiro

Contratante

Objecto protegido

Estrada

Proteção contra a corrosão

GEOBRUGG SUPERCOATING

O seu contacto local

René Müller
   

René Müller

Country Manager Western Switzerland

Riscos naturais
Engenharia Hidráulica
Mineração / Túneis
Asset Management / Monitoring
Geobrugg AG,Trucks via road 14 or 13 only!, Aachstrasse 11,8590 Romanshorn / Suíça Country Manager Western Switzerland

E-mail

Olivia Sartorius
   

Olivia Sartorius

Country Manager Eastern and Central Switzerland

Riscos naturais
Engenharia Hidráulica
Mineração / Túneis
Asset Management / Monitoring
Geobrugg AG Country Manager Eastern and Central Switzerland

E-mail

Isacco Toffoletto
   

Isacco Toffoletto

Country Manager Southern Switzerland

Riscos naturais
Engenharia Hidráulica
Mineração / Túneis
Asset Management / Monitoring
Geobrugg AG Ticino,Stabile Cometal, via Pizzante 7,6595 Riazzino / Suíça Country Manager Southern Switzerland

E-mail