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Estabilização de taludes - Schänis, State Road 17 2016

Installation using a mobile drill rig

Estabilização de taludes - Schänis, State Road 17 2016

Installing a section towards south-east, before placing the spike plates

Estabilização de taludes - Schänis, State Road 17 2016

Protected object: Quiet during the day, very congested during rush-hour

Estabilização de taludes - Schänis, State Road 17 2016

Risk of toppling rocks is a thing of the past: SPIDER® ensures safe traffic (view of the north-eastern section)

Estabilização de taludes - Schänis, State Road 17 2016

Location: Linth Plain, Switzerland Federal Office of Topography, Bern, Switzerland National Map 1:50'000

 
 

Ano de instalação

2016

Situação inicial

The area was formed by glaciers. With climate change, the rock underneath, molasse conglomerate rock, has become more unstable. During the past few years sections of rock, some with volumes of around 1 m³, became dangerously loose and were in danger of eminent fall onto the road, the building below and the neighboring pastures.

The Swiss State Agency for Forest and Natural Hazards immediately alerted the regional road inspectorate and political community to the potential risk.

Geologia

Instable blocks of molasse conglomerate.

Descrição

As a short term emergency measure Geobrugg worked with the regional road administration and a local contractor to stabilize the most critical rock sections with SPIDER® S3-130.

As a long-term solution that ensures safe driving conditions for daily commuting, an anchored system was installed. Along the deep chasms all along the molasse bar, three levels of anchors were drilled. The higher and lower levels were drilled to a length of 4 m while the anchors of the middle rows were drilled to a length of 7 m. These anchors were drilled to a grid that measures 2.15 m x 2.15 m.

The whole project from planning to final acceptance took only six weeks.

Promotor

State Department for Underground Construction, Canton St.Gallen, Switzerland

Empreteiro

Geobrugg AG, Geohazard Solution

Contratante

Oberholzer Inc., Neuhaus, Switzerland

Objecto protegido

Estrada, Edifício

Proteção contra a corrosão

GEOBRUGG SUPERCOATING

O seu contacto local

Kevin H. Coyle
 

Kevin H. Coyle

Regional Manager Northeast

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

E-mail

Saleh Feidi
 

Saleh Feidi

Regional Manager California

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

E-mail

John Kalejta
 

John Kalejta

Regional Manager Central US

Riscos naturais
Engenharia Hidráulica
Geobrugg North America, LLC,3215 67th Avenue Pl,Greeley CO 80634 / Estados Unidos Regional Manager Central US

E-mail

Bob Lyne
 

Bob Lyne

Regional Manager Southeast

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

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

Sales Director

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

E-mail