Veidekke Asphalt Core Dams

Styggevatn dam, Norway 1988

Cold and wet.

Storglomvatn Dam, Norway. Near completion (125m)

Asphalt core placement, Svartisen,

Storglomvatn Dam, Norway 1997

Ceres Dam, South Africa 1998

Mora de Rubielos Dam, Spain 2005

Note the sharp curve towards one abutment

Mora de Rubielos Dam completed, Spain, 2005

Miduk Dam, Kerman, Iran 2006

Murwani saddle dam, Saudi Arabia November 2007

Murwani Saddle Dam, Saudi Arabia 2007

Murwani main dam, Saudi Arabia, September 2008

Nemiscau -1 Dam, Canada, August 2008

14

Shur River Dam, Iran 2010

Shur River Dam, Iran 2010

Foz Do Chapecó dam, Brazil,

during construction

Foz Do Chapecó dam completed in 2010 Embankment volume 1,6 million m3, construcion period only 5 months

Cleaning of concrete plinth (high pressure water)

Cleaning of concrete plinth (drying)

Details, placing mastic

Ready for first layer, handlaying

Handlaying

23

Compaction of core

Compaction with 3 rollers

Compaction Works Compaction core and zone

Core drilling

Field samples (ca. 0.5 m long) drilled out of dam core (no interface can be detected between layers)

Sample of joint between asphalt and plinth

Cutting field core into 5 test pieces

Sample of the core

Controlling field porosity

Cross-section through a triaxial specimen

Sample asphalt core

Excavated core from field test strip

Asphalt core layers

Demonstration of core flexibility

Asphalt core paver –

principle sketch

New asphalt core paving machines

Core is flared towards steep abutment

Jirau Dam, Brazil (2012)

Jirau Dam, Brazil

La Romaine 2, Canada

Foz do Chapecó, Brazil

Foz do Chapecó, Brazil

Foz do Chapecó, Brazil

Hand placement Hand laying

Asphalt core and filter zone placed at same time

Foz do Chapecó Dam, Brazil, March 2010

47

Foz do Chapeco Dam, Brazil

At night and wet

48

49

Overview Foz do Chapecó Dam, Brazil

Jirau Dam, Brazil

Two core pavers at the same time on dam

Jirau Dam, Brazil

La Romaine-2, Main Dam, Canada

La Romaine-2, Canada

La Romaine-2, Canada