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Protección contra flujos de detritos y deslizamientos superficiales - RD242 Miribel-Lanchâtre 2023

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

Protección contra flujos de detritos y deslizamientos superficiales - RD242 Miribel-Lanchâtre 2023

Event on 10 November 2022 that reached the road

Protección contra flujos de detritos y deslizamientos superficiales - 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

Protección contra flujos de detritos y deslizamientos superficiales - RD242 Miribel-Lanchâtre 2023

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

Protección contra flujos de detritos y deslizamientos superficiales - RD242 Miribel-Lanchâtre 2023

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

 
 

Longitud del sistema

12 m - 15 m

 

Año de instalación

2023

Situación 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.

Descripción

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 / Región

Francia

Cliente

Grenoble Alpes Métropole

Ingeniería

Subcontratista

Objeto protegido

Carretera

Protección contra la corrosión

GEOBRUGG SUPERCOATING

Su contacto local

Kevin Coyle
 

Kevin Coyle

Regional Manager Northeast

Protección contra riesgos naturales
Ingeniería hidráulica
Geobrugg North America, LLC,3 Beaudet Terr,CT 06237 Columbia / EE. UU. Regional Manager Northeast

Correo electrónico

Saleh Feidi
 

Saleh Feidi

Protección contra riesgos naturales
Ingeniería hidráulica
Geobrugg North America, LLC,8921 Emperor Ave.,91775 San Gabriel, California / EE. UU.

Correo electrónico

John Kalejta
 

John Kalejta

Protección contra riesgos naturales
Ingeniería hidráulica
Geobrugg North America, LLC,KS 67226 Wichita / EE. UU.

Correo electrónico

Bob Lyne
 

Bob Lyne

Protección contra riesgos naturales
Ingeniería hidráulica
Geobrugg North America, LLC,8004 Windspray Drive,NC 27358 Summerfield / EE. UU.

Correo electrónico

Pierce Runnels, Civil Engineer
   

Pierce Runnels

General Manager Geobrugg North America

Protección contra riesgos naturales
Geobrugg North America, LLC,22 Centro Algodones , Civil Engineer General Manager Geobrugg North America

Correo electrónico

Tim Shevlin
 

Tim Shevlin

Protección contra riesgos naturales
Geobrugg North America, LLC,OR 97302 Salem / EE. UU.

Correo electrónico