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Селевые потоки и микросели - Favazzina 2015

Two filled barriers UX180-H6

Селевые потоки и микросели - Favazzina 2015

The barrier was installed close to sensitive infrastructure; the A2 motorway viaduct in the background

Селевые потоки и микросели - Favazzina 2015

UX-type barrier with support posts

Селевые потоки и микросели - Favazzina 2015

VX barrier which is without posts

Селевые потоки и микросели - Favazzina 2015

Just installed mudslide barrier

Селевые потоки и микросели - Favazzina 2015

Because of the dry stone walls: a special UX barrier solution

Селевые потоки и микросели - Favazzina 2015

Special meteorologic conditions lead to a massive landslide that was successfully held back by barriers

Селевые потоки и микросели - Favazzina 2015

The barriers with extremely high load

Селевые потоки и микросели - Favazzina 2015

According to the designer's data, the barriers must have the capacity to hold a pressure of at least 100 kilopascals / kN/m²

Селевые потоки и микросели - Favazzina 2015

Bird's eye view: the landslide load is held back from the barrier

 
 

Год установки

2015

Ситуация

The western side of Calabria, in southern Italy, is characterized by strongly altered orthogneiss outcrops, which give rise to fine and coarse sands. With heavy rainfalls, they are brought down to the valley and channeled into the famous "fiumare".

This phenomenon is particularly intense in the area of Favazzina, along the River Scirò. There it threatens the railway network, the national highway SS18, and the local road network.

Описание

A series of Geobrugg barriers have been installed to limit the risk of debris flows . This deterrent system for debris flows was developed by Geobrugg with the Swiss research institute WSL in Birmensdorf, part of the Swiss Federal Institute of Technology Zurich (ETH), following the field trials in Illgraben, Switzerland. Also check Illgraben on YouTube.

The system consists of 19 barriers of various types: UX180, UX100 and VX100 of varying height from 4 to 6 meters, for a total of 970 square meters. All Geobrugg barriers are CE marked.

The week after the installation of the first barriers, a debris flow occurred. It was completely held back by the highest situated barrier, and thus saved and protected the downstream site. Subsequent events have filled the other barriers. After  inspection, it was decided not to proceed with emptying in order not to trigger further landslide movements. The retained debris flow material stabilizes the banks of the channel and thus reduces the formation of further debris flow. Inspections also revealed the excellent condition of the post-event structure: no intervention on the barriers was necessary.  Only some anchorages were slightly damaged. The braking system showed no deterioration.

Страна / Регион

Италия

Клиент

Regione Calabria

Проектировщик

Donatella Palma, Geoflum Engineering SrL

Подрядчик

Idrogeo Srl, Cosenza

Защищаемый объект

Дорога, Железнодорожная линия

Защита от коррозии

GEOBRUGG SUPERCOATING

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Kevin Coyle
 

Kevin Coyle

Regional Manager Northeast

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Гидротехника
Geobrugg North America, LLC,3 Beaudet Terr,CT 06237 Columbia / США Regional Manager Northeast

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Saleh Feidi, Regional Manager California
 

Saleh Feidi

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Geobrugg North America, LLC,8921 Emperor Ave.,91775 San Gabriel, California / США , Regional Manager California

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John Kalejta
 

John Kalejta

Regional Manager Rocky Mountains / Central USA

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Geobrugg North America, LLC,KS 67226 Wichita / США Regional Manager Rocky Mountains / Central USA

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Bob Lyne
 

Bob Lyne

Regional Sales Manager Southeast

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Geobrugg North America, LLC,8004 Windspray Drive,NC 27358 Summerfield / США Regional Sales Manager Southeast

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Pierce Runnels, Civil Engineer
   

Pierce Runnels

Sales Director North America

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Geobrugg North America, LLC,22 Centro Algodones , Civil Engineer Sales Director North America

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Tim Shevlin
 

Tim Shevlin

Regional Sales Manager Pacific Northwest and Hawaii

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Geobrugg North America, LLC,OR 97302 Salem / США Regional Sales Manager Pacific Northwest and Hawaii

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