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Protección contra flujos de detritos y deslizamientos superficiales - Bulli Pass (1) 2017

A 1,1 km long Shallow Landslide Barrier protects the road at Bulli Pass in New South Wales.

Protección contra flujos de detritos y deslizamientos superficiales - Bulli Pass (1) 2017

Placing concrete for post footings ©NSW Government

Protección contra flujos de detritos y deslizamientos superficiales - Bulli Pass (1) 2017

Overview of work site ©NSW Government

Protección contra flujos de detritos y deslizamientos superficiales - Bulli Pass (1) 2017

Site preparation ©NSW Government

Protección contra flujos de detritos y deslizamientos superficiales - Bulli Pass (1) 2017

Installation of barrier mesh fencing ©NSW Government

Protección contra flujos de detritos y deslizamientos superficiales - Bulli Pass (1) 2017

Work near satefy ramp ©NSW Government

Protección contra flujos de detritos y deslizamientos superficiales - Bulli Pass (1) 2017

Installed posts and footings ©NSW Government

Protección contra flujos de detritos y deslizamientos superficiales - Bulli Pass (1) 2017

Cranes lifting rock fall protection barrier components into position above Bulli Pass ©NSW Government

Protección contra flujos de detritos y deslizamientos superficiales - Bulli Pass (1) 2017

Precast concrete pad footings for the rockfall protection barrier posts ©NSW Government

Protección contra flujos de detritos y deslizamientos superficiales - Bulli Pass (1) 2017

Rear side of the barrier with brakes

 
 

Longitud del sistema

1100 m

 

Año de instalación

2017

Situación inicial

The Wollongong Escarpment Area in Wollongong New South Wales is unstable and Bulli Pass is subject to rockslides especially in times of heavy rainfall. Bulli Pass has a history of slip and rock fall events. A major slip in 2008 required slope stabilisation works with the road being closed for seven weeks. Following several events, including a serious rock fall that landed on a vehicle in 2015, there have been extensive investigations into the upslope section of Bulli Pass.  After detailed analysis Geobrugg Australia was chosen as the preferred supplier of a Rock Fall and Landslide mitigation system.

Descripción

The project reduces the residual slope risk profile from landslide and rock fall events. The project consisted of a 1.1 km of SL-150 Shallow Landslide Barrier and a combination of VX and UX Shallow Landslide Barriers.  The system now provides rock fall and landslide protection from a road that has 12000 car movements a day.  The barrier is 3,5 m high including over 1000 rock nail anchors constructed in difficult terrain. The Barrier is also capable of containing a 500 kg rock travelling at 160 km/hour.

More information:

- Roads & Maritime, New South Wales

País / Región

Australia

Cliente

Roads and Maritime Authority, New South Wales

Ingeniería

Department of Public Works, (Project Management)

Subcontratista

Specialised Geo Pty Ltd (GHD Contractor)

Otras empresas participantes

Consultant Andrew Hunter Coffey/GHD (Geotechnical Consultant); Consultant Philip Flentje (University of Wollongong)

Objeto protegido

Carretera

Protección contra la corrosión

GEOBRUGG ULTRACOATING

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