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Proteção contra correntes de detritos - RD242 Miribel-Lanchâtre 2023

Barrière amont VX140 avec vue sur le village de St Guillaume et le Trièves

Proteção contra correntes de detritos - RD242 Miribel-Lanchâtre 2023

Event on 10 November 2022 that reached the road

Proteção contra correntes de detritos - 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

Proteção contra correntes de detritos - RD242 Miribel-Lanchâtre 2023

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

Proteção contra correntes de detritos - RD242 Miribel-Lanchâtre 2023

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

 

Comprimento do sistema

12 m - 15 m

 

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.

Promotor

Grenoble Alpes Métropole

Contratante

Objecto protegido

Estrada

Proteção contra a corrosão

GEOBRUGG SUPERCOATING

Empreteiro

O seu contacto local

Roger Moor
   

Roger Moor

Country Manager Ost- und Zentralschweiz, Liechtenstein

Riscos naturais
Engenharia Hidráulica
Mineração / Túneis
Geobrugg AG,Aachstrasse 11,8590 Romanshorn / Suíça Country Manager Ost- und Zentralschweiz, Liechtenstein

E-mail

René Müller
   

René Müller

Country Manager Kantone AG BE BL BS FR GE JU NE SO VD VS

Riscos naturais
Engenharia Hidráulica
Mineração / Túneis
Geobrugg AG,Industriestrasse 21,5200 Brugg / Suíça Country Manager Kantone AG BE BL BS FR GE JU NE SO VD VS

E-mail

Alexander Bittendorfer
   

Alexander Bittendorfer

Project Manager Inspection Services

Riscos naturais
Geobrugg AG,Aachstrasse 11,8590 Romanshorn / Suíça Project Manager Inspection Services

E-mail

Isacco Toffoletto
   

Isacco Toffoletto

Ticino Country Manager

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

E-mail