Building Materials – Binders, Environmental Compatibility

Contact

Name

Stefan Vannahme

Prüfstellenleiter

Phone

work
+49 241 80 95105

Email

E-Mail
 
  • Grain size analysis of powdered materials
    sieve analysis, sedimentation, laser granulometer
  • Standard tests on binders and aggregates
  • Determination of physical and mechanical property values
    – density
    – strength
    – moduli of elasticity
    – deformation characteristics
  • Penetration of chlorides
    – examination of drilling dust
    – diffusion measurements
    – chloride binding
  • Chloride migration tests
  • Penetration behavior of water polluting liquids according to the DAfStb directive "Betonbau beim Umgang mit wassergefährdenden Stoffen" which is "Building with concrete when dealing with substances hazardous to water"
  • Squeezing and analysis of pore solution
    – pressure up to 500 N/mm²
  • Viscosity measurements with rotational viscometer
  • Elution of building materials according to different test procedures
    – shaking test
    – column experiment
    – long-term tank leaching test