Transport infrastructure services

Building materials are a key element in ensuring the sustainability of transport infrastructure. These materials represent both opportunities and potential risks, which must be assessed by means of specialised services.

Range of services

We provide services and expert reports for private and public customers. All orders are carried out by qualified specialists from the relevant field and are treated confidentially.

The various tests are conducted in accordance with the standardisation requirements of the particular field. We especially offer tests in the following areas:

  • Binder recovery, rotary evaporator (SN EN 12697-3)
  • Softening point ring and ball (SN 670 512)
  • Penetration (SN 670 511)
  • Penetration index (SN 670 202-NA)
  • Fraass breaking point (SN 670 507)
  • Elastic recovery (SN 670 547)
  • Determination of viscosity (with rotating spindle) (SN EN 13302)
  • Determination of the complex shear modulus and phase angle (temperature and frequency sweep) - Dynamic shear rheometer (DSR) (SN 670 559)
  • BTSV test (Rapid Bitumen Typing Procedure) (SN EN 17643)
  • Determination of flexural creep stiffness - Bending beam rheometer (BBR) (SN 670 560)
  • Multiple stress creep recovery test (MSCR) (SN 670 561)
  • Determination of the bulk density of fillers - pycnometer method (SN 670 903-7B)
  • Bitumen number (SN-670 906-2A)
  • Delta ring and ball test (SN 670 906-1)
  • Determination of the void volume in dry-compacted fillers (SN 670 903-4B) 
  • Determination of the bulk density of fillers - Pycnometer method (SN 670 903-7B)
  • Methylene blue test (SN EN 933-9)
  • Investigation of water sensitivity (SN EN 1744-4) 
  • Assessment of fines – Grading of filler aggregates (air jet sieving) (SN-670902-10B) 
  • Determination of particle size distribution (SN EN 12697-2+A1 / SN EN 933-1, 2)
  • Determination of bulk density and water absorption (SN EN 1097-6)
  • Los Angeles test (SN EN 1097-2)
  • Determination of the polished stone value (SN EN 1097-8)
  • Flakiness index (FI), aggregate (SN 670 902-3, TP Gestein-StB, 4.3.3)
  • Proportion of crushed particles, aggregates (SN 670 902-5B)
  • Number of foreign particles in reclaimed asphalt (visual inspection) (SN EN 12697-42)
  • Determination of particle size distribution (SN EN 12697-2+A1 / SN EN 933-1, 2)
  • Soluble binder content (SN EN 12697-1)
  • Bulk density of mix (SN EN 12697-5 or gas pycnometer)
  • Preparation of test specimen: gyrator (SN EN 12697-31)
  • Marshall test, incl. bulk density, void content and infill degree of binder (SN EN 12697-6/-8/-30/-34)
  • Water sensitivity of bituminous specimens ITSR (SN EN 12697-12)
  • Static indentation depth on mastic asphalt (SN EN 12697-20)
  • Determination of indirect tensile strength (SN EN12697-23)
  • Swell pressure test (SN EN 12697-25)
  • Dynamic indentation depth on mastic asphalt (SN EN 12697-25 A2)
  • Evaluation of the deformation behaviour of rolled asphalt under high temperatures (TP Asphalt-StB Part 25 B 1)
  • Indirect tensile asphalt cracking test (IDEAL-CT) (ASTM D8225) 
  • Evaluation of crack propagation with the semi-circular bending test (SCB) (SN EN 12697-44)
  • Workability (Nynas maniabilimeter, NF P 98-258-1-2013)
  • Workability of mastic asphalt - according to M TA/ FGSV 2011 edition
  • Fatigue resistance (e.g. 3PB-PR, IT-CY) (SN EN 12697-24)
  • Stiffness (e.g. 3PB-PR, IT-CY) (SN EN 12697-26), preparation of test specimens using roller compaction (SN EN 12697-33)
  • Coating bond (shear bond strength testing SBT, CSBT) (SN EN 12697-48) 
  • Coating bond (shear bond strength testing SBT, CSBT) (SN EN 12697-48)
    • PAH content (spray)
    • See point: Mix
  • Life cycle assessment
  • Environmental impact assessment 
  • Life cycle costs

Further services

Exchange and/or active participation in various professional groups of experts from road construction test laboratories that are accredited at a national (ROBIN, VAB) and international level (FEHRL, RILEM) enable us to guarantee services in accordance with current requirements.

In addition, experts with extensive know-how are available for consultations, expert opinions and expert reports.