Measurement method Sideway-Force Measurement SKM
according to TP Griff-StB (SKM) and ZTV ZEB-StB

Measurement Principle:

• Fast moving measurement system
• Measurement tyre with an angle of 20°
• Wheel load 1960 N
• Continuous capturing of measurement values in one line
• Resolution of result values: 1 m

Quality assurance:

• Annual acceptance test of the device by BASt
• External monitoring every 3 months by BASt
• Driver qualification
• Monthly self-monitoring
• Camera-guided capturing of measurement data
• Comparison measurements of the Gütegemeinschaft für Griffigkeitsmessungen

Fields of application:

• Measurement in the scope of road surface building contracts
  (ZTV Asphalt-StB, ZTV Beton-StB, ZTV BEA-StB and complementary country-specific regulations)
• Road condition assessment on a road network level as well as assessment of skid resistance in black spots (ZTV ZEB-StB, M BGriff)

Measurement conditions:

• Road surface temperature: minimum of 5 °C up to a maximum of 50 °C
• Air temperature: minimum of 5 °C
• Water temperature: minimum of 5 °C up to a maximum of 25 °C