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Proteção contra correntes de detritos - RD242 Miribel-Lanchâtre 2023

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

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

Empreteiro

Contratante

Objecto protegido

Estrada

Proteção contra a corrosão

GEOBRUGG SUPERCOATING

O seu contacto local

Kevin Coyle
 

Kevin Coyle

Regional Manager Northeast

Riscos naturais
Engenharia Hidráulica
Geobrugg North America, LLC,3 Beaudet Terr,CT 06237 Columbia / Estados Unidos Regional Manager Northeast

E-mail

Saleh Feidi
 

Saleh Feidi

Riscos naturais
Engenharia Hidráulica
Geobrugg North America, LLC,8921 Emperor Ave.,91775 San Gabriel, California / Estados Unidos

E-mail

John Kalejta
 

John Kalejta

Riscos naturais
Engenharia Hidráulica
Geobrugg North America, LLC,KS 67226 Wichita / Estados Unidos

E-mail

Bob Lyne
 

Bob Lyne

Riscos naturais
Engenharia Hidráulica
Geobrugg North America, LLC,8004 Windspray Drive,NC 27358 Summerfield / Estados Unidos

E-mail

Pierce Runnels, Civil Engineer
   

Pierce Runnels

General Manager Geobrugg North America

Riscos naturais
Geobrugg North America, LLC,22 Centro Algodones , Civil Engineer General Manager Geobrugg North America

E-mail

Tim Shevlin
 

Tim Shevlin

Riscos naturais
Geobrugg North America, LLC,OR 97302 Salem / Estados Unidos

E-mail