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Protezione contro frane e colate detritiche - RD242 Miribel-Lanchâtre 2023

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

Protezione contro frane e colate detritiche - RD242 Miribel-Lanchâtre 2023

Event on 10 November 2022 that reached the road

Protezione contro frane e colate detritiche - 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

Protezione contro frane e colate detritiche - RD242 Miribel-Lanchâtre 2023

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

Protezione contro frane e colate detritiche - RD242 Miribel-Lanchâtre 2023

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

 

Lunghezza del sistema

12 m - 15 m

 

Anno di installazione

2023

Situazione iniziale

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.

Descrizione

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.

Paese / Regione

Francia

Cliente

Grenoble Alpes Métropole

Progettazione:

Contraente:

Oggetto protetto

Strada

Protezione dalla corrosione

GEOBRUGG SUPERCOATING

Il contatto locale

Kevin Coyle
 

Kevin Coyle

Regional Manager Northeast

Sistemi contro il dissesto idrogeologico
Ingegneria idraulica
Geobrugg North America, LLC,3 Beaudet Terr,CT 06237 Columbia / Stati Uniti Regional Manager Northeast

E-mail

Saleh Feidi
 

Saleh Feidi

Sistemi contro il dissesto idrogeologico
Ingegneria idraulica
Geobrugg North America, LLC,8921 Emperor Ave.,91775 San Gabriel, California / Stati Uniti

E-mail

John Kalejta
 

John Kalejta

Sistemi contro il dissesto idrogeologico
Ingegneria idraulica
Geobrugg North America, LLC,KS 67226 Wichita / Stati Uniti

E-mail

Bob Lyne
 

Bob Lyne

Sistemi contro il dissesto idrogeologico
Ingegneria idraulica
Geobrugg North America, LLC,8004 Windspray Drive,NC 27358 Summerfield / Stati Uniti

E-mail

Pierce Runnels, Civil Engineer
   

Pierce Runnels

General Manager Geobrugg North America

Sistemi contro il dissesto idrogeologico
Geobrugg North America, LLC,22 Centro Algodones , Civil Engineer General Manager Geobrugg North America

E-mail

Tim Shevlin
 

Tim Shevlin

Sistemi contro il dissesto idrogeologico
Geobrugg North America, LLC,OR 97302 Salem / Stati Uniti

E-mail