Landslide Stabilisation at the Clyde Power Project, New Zealand

by Rab Brown, Electricity Corp of NZ, Wellington, New Zealand,
Murray Gillon, Electricity Corp of NZ, Wellington, New Zealand,
Don Deere, Electricity Corp of NZ, Wellington, New Zealand,



Document Type: Proceeding Paper

Part of: Geotechnical Practice in Dam Rehabilitation

Abstract:

The Clyde Power Project is a hydro electric development on the Clutha River in the South Island of New Zealand. A wide range of stabilization measures have been used to treat several large creeping landslides which are being partly inundated by the formation of the reservoir. The stabilization works are among the largest undertaken for a hydro electric development. Stabilization measures include tunnel-based gravity and pumped drainage, surface drainage and buttressing totalling 14.5 km of tunnels, 78 km of drilled drainage holes and 5 Mm³ of earthworks.

Subject Headings: Hydro power | Landslides | Gravity dams | Concrete dams | Power plants | Surface drainage | Electric power | New Zealand | Oceania

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