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Stabilisation des pentes - Cwmavon Landslide 2018

Completed site image from the south of site.

Stabilisation des pentes - Cwmavon Landslide 2018

Slope after failure and cleaning

Stabilisation des pentes - Cwmavon Landslide 2018

Site after tree clearance

Stabilisation des pentes - Cwmavon Landslide 2018

Installation from top down of TECCO® GREEN

Stabilisation des pentes - Cwmavon Landslide 2018

Skid drill rig installing soil nails

Stabilisation des pentes - Cwmavon Landslide 2018

View of the full site including mobile elevated work platform (MEWP)

Stabilisation des pentes - Cwmavon Landslide 2018

Image from the north of site, showing the contouring of the mesh

Stabilisation des pentes - Cwmavon Landslide 2018

Natural vegetation regrowth through the TECCO® GREEN

Stabilisation des pentes - Cwmavon Landslide 2018

Boundary ropes and vegetation growth

 

Année d’installation

2018

Situation de départ

After prolonged periods of heavy rain and strong winds a large quantity of material was mobilised from the slope down onto the B4286. The road was closed for safety concerns whilst any remaining material was removed by hand. Traffic management was then installed and the road was re-opened as a single lane under traffic management.

Working closely with the local borough council, Geotechnical contractor Quantum Geotechnical and specialist rope access teams at iBEX a provisional stabilisation solution was put forward. This stabilisation utilised the excellent properties of TECCO® GREEN for both strength and greening capabilities. Quantum Geotechnical employed Remedy Geotechnics to ensure the provisional design was suitable, and all was agreed.

Géologie

Brithdir Member - Sandstone. Sedimentary Bedrock formed approximately 308 to 310 million years ago in the Carboniferous Period.

These sedimentary rocks are fluvial in origin. They are detrital, ranging from course- to fine-grained and form beds and lenses of deposits reflecting the channels, Floodplains, and levees of a river.

Description

After harvesting of all trees on the full slope and specialist removal of tree stumps and roots on the slip plane, drilling works started from top down. In total 19 rolls of TECCO® GREEN, were installed with 150 soil nails.

Client

Neath Port Talbot county borough council

Ingénierie

Remedy Geotechnics

Entrepreneur

Quantum Geotechnical

Autres sociétés participantes

iBEX technical access

Objet protégé

Route/Rue, Zone résidentielle, Infrastructure

Protection anticorrosion

GEOBRUGG SUPERCOATING

Votre contact local

Roger Moor
   

Roger Moor

Country Manager Ost- und Zentralschweiz, Liechtenstein

Risques naturels
Ingénierie Hydraulique
Exploitation minière / Tunnel
Geobrugg AG,Aachstrasse 11,8590 Romanshorn / Suisse Country Manager Ost- und Zentralschweiz, Liechtenstein

E-mail

René Müller
   

René Müller

Country Manager Cantons AG BE BL BS FR GE JU NE SO VD VS

Risques naturels
Ingénierie Hydraulique
Exploitation minière / Tunnel
Geobrugg AG,Industriestrasse 21,5200 Brugg / Suisse Country Manager Cantons AG BE BL BS FR GE JU NE SO VD VS

E-mail

Alexander Bittendorfer
   

Alexander Bittendorfer

Project Manager Inspection Services

Risques naturels
Geobrugg AG,Aachstrasse 11,8590 Romanshorn / Suisse Project Manager Inspection Services

E-mail

Isacco Toffoletto
   

Isacco Toffoletto

Ticino Country Manager

Risques naturels
Ingénierie Hydraulique
Exploitation minière / Tunnel
Geobrugg AG Ticino,Stabile Cometal, via Pizzante 7,6595 Riazzino / Suisse Ticino Country Manager

E-mail