The Laboratory for Asphalts and Bitumen-Based Products
- ASFALTS and BITUMENS – laboratory tests and field investigations
- BITUMEN-BASED WATERPROOFING PRODUCTS – laboratory tests and field investigations
- QUALITY CONTROL of the materials used and the execution of asphalting and waterproofing works – during installation and throughout the lifetime of the products
- CONSULTING in the field of asphalts, bitumens, and bitumen-based products
- DYNAMIC TESTS of asphalt mixes
- SUSTAINABLE CONSTRUCTION – the use of recycled materials, LCA analyses
- CERTIFICATION – authorized persons for the assessment of systems of factory production control for asphalts, bitumens, and bitumen-based waterproofing materials
Research and development work:
Research and development projects since the year 2000 | Financing | Duration |
---|---|---|
The influence of asphalt mixes on tyre-road noise emissions | DARS d.d | 2001-2003 |
Determination of the dependence of the ageing of two types of bitumen on the use of two different types of stone aggregate | DARS d.d | 2003-2004 |
The effect of the bitumen filling of longitudinal cracks on the skid resistance of pavements | DARS d.d | 2003-2004 |
Dynamic tests of asphalt mixes | DARS d.d | 2003-2004 |
Measurements of the density of asphalt mixes by means of a Pavement Density Meter | DARS d.d | 2003-2004 |
Environmentally-friendly production of asphalts by optimizing the adding of secondary raw materials to asphalt mixes The project was managed by the National Chemistry Institute of Slovenia |
ARRS | 2010-2014 |
Important projects:
Important international projects since the year 2000 | Financing | Duration |
---|---|---|
SPENS – Sustainable Pavements for European New member States (ZAG as co-ordinator: ZAG) | EC, 6 OP | 2006 – 2009 |
Re-Road – End of life strategies of asphalt pavements (ZAG as a partner) | EC, 7 OP | 2009 – 2012 |
DIRECT-MAT – DIsmantling and RECycling Techniques for road MATerials (ZAG as a partner) | EC, 7 OP | 2009 – 2011 |
Pothole – Durable Pothole Repairs (ZAG as a partner) | Era-Net Road | 2011 – 2013 |
ASCAM – Asset Service Condition Assessment Methodology (ZAG as a partner) | Era-Net Road | 2009 – 2012 |
STARS – Scoring Traffic at Roadworks (ZAG as a partner) | Era-Net Road | 2011 – 2013 |
Browser – Baselining Road Works Safety on European Roads (ZAG as a partner) | CEDR | 2013 – 2015 |
Consistend – A tool to assess the impact of construction process quality on the performance of pavements and its implementation in tenders (ZAG as a partner) | CEDR | 2014 – 2016 |
Accreditation:
The Laboratory is accredited for the testing of asphalts, bitumens, and bitumen-based products according to the requirements of the standard SIST EN ISO/IEC 17025. On pages 25 to 30 of the Accreditation Document No. LP-005, which was issued by Slovenian Accreditation, there is a list of the 41 accredited test methods which are performed by the Laboratory for Asphalts and Bitumen-Based Products.
Co-operation and memberships
- CEN TC227 WG1, ZAS – the Slovenian Asphalt Pavement Association, and the Committee for asphalts at DARS
- participation in the work of the technical committees of SIST during the preparation of new standards.

Head of Laboratory:
dr. Marjan Tušar, univ. dipl. kem.
e-mail: marjan.tusar@zag.si
Phone: 01 280 43 93, 041 797 952