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Huallalolén, Seca and Ñilhue ravines

Protezione contro frane e colate detritiche - Huallalolén, Seca and Ñilhue ravines 2022

Huallalolen barriers

Protezione contro frane e colate detritiche - Huallalolén, Seca and Ñilhue ravines 2022

Huallalolen barrier installation

Protezione contro frane e colate detritiche - Huallalolén, Seca and Ñilhue ravines 2022

Ring net, Huallaolen barrier

Protezione contro frane e colate detritiche - Huallalolén, Seca and Ñilhue ravines 2022

Huallalolen barrier 1

Protezione contro frane e colate detritiche - Huallalolén, Seca and Ñilhue ravines 2022

Huallalolen barrier 2

Protezione contro frane e colate detritiche - Huallalolén, Seca and Ñilhue ravines 2022

Huallalolen barrier 3

Protezione contro frane e colate detritiche - Huallalolén, Seca and Ñilhue ravines 2022

Secs barrier

Protezione contro frane e colate detritiche - Huallalolén, Seca and Ñilhue ravines 2022

Nilhue barrier 1

Protezione contro frane e colate detritiche - Huallalolén, Seca and Ñilhue ravines 2022

Nilhue barrier 2

Protezione contro frane e colate detritiche - Huallalolén, Seca and Ñilhue ravines 2022

Nilhue barrier 3

 

Lunghezza del sistema

10 m - 20 m

 

Anno di installazione

2022

Situazione iniziale

End of January 2021, the metropolitan area of Santiago endured heavy rainfalls of more than 116 mm. A phenomenon that had not occurred since 1933. This, plus the scarce vegetation in the mountains and a zero isotherm above 3,500 meters, activated several streams and gullies.

In the commune of Lo Barnechea the water affected homes, streets, roads, and infrastructure and caused emergency works.

Descrizione

The solution consists of seven dynamic barriers of the VX-type installed in the three streams affected mainly by the floods.

  • Seca gully: 1 VX-80-H4 barrier 16 meters wide and 4 meters high
  • Ñilhue gully: 1 VX-160-H6 barrier 13 meters wide and 6 meters high and 2 VX-140-H4 barriers 12 meters wide and 4 meters high
  • Huallalolén gully: 3 VX-140-H4 barriers 18 meters wide and 4 meters high

The retention capacity of all seven ring net barriers is 6’900 m³.

Cliente

Directorate of Hydraulic Works DOH

Oggetto protetto

Strada, Zona residenziale, Infrastrutture

Protezione dalla corrosione

Galvanized, GEOBRUGG SUPERCOATING

Altre società partecipanti

Pucará S.A.

Il contatto locale

Kevin H. Coyle
 

Kevin H. Coyle

Regional Manager Northeast

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

E-mail

Saleh Feidi
 

Saleh Feidi

Regional Manager California

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

E-mail

John Kalejta
 

John Kalejta

Regional Manager Central US

Sistemi contro il dissesto idrogeologico
Ingegneria idraulica
Geobrugg North America, LLC,3215 67th Avenue Pl,Greeley CO 80634 / Stati Uniti Regional Manager Central US

E-mail

Bob Lyne
 

Bob Lyne

Regional Manager Southeast

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

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

Sales Director

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

E-mail