Gallery Colloquium 2025
The Largest International Meeting of Construction and Maintenance of Pavements in Slovenia.
INTRODUCTORY SPEACH
SECTION 1: RECYCLING, CIRCULAR ECONOMY AND BASIC MATERIALS IN ASPHALT (AGGREGATES, BITUMEN, ADDITIVES)
Moderator: Carsten Karcher, EAPA
Zvonko Cotič, STRUCTUM (SLO): Examples of good practice – the Črni Kal Viaduct and the Road to Mangart
Markus Spiegl, OMV (A) and Sophie Stüwe, TU Vienna (A): Physico-chemical analysis of 12 70/100
binders from different sources
Anja Sörensen, EUROBITUME (B): Eurobitume LCA 4.0 for bitumen
SECTION 2: GREEN TRANSITION AND DIGITALIZATION
Moderator: Vasja Grmek, POMGRAD
Paul Schönauer, TU Vienna (A): On the road to EPDs for asphalt mixtures – why, what and how?
Marco Bokies, DAV (D): Environmental product declarations for asphalt – current developments in Germany
Gilbert Leb, Q POINT (A): End to end digital value chain (from construction via production to the
machine) – benefits and practical examples from across Europe for an efficient and sustainable industry
OPENING OF 20TH COLLOQUIUM
Moderator: Špela Močnik Paradiž
Slovenko Henigman, President of ZAS, Slovenian Asphalt Pavement Association
Sašo Berger, President of the Management Board PETROL
Karmen Praprotnik, Director of Slovenian Infrastructure Agency
Ralf Pomp, President of EAPA, European Asphalt Pavement Association
INVITED LECTURES
Moderator: Slovenko Henigman, President of ZAS
Carsten Karcher, Secretary General for EAPA (B): The European Asphalt Pavement Association –
What is going on in Brussels and beyond?
Matic Poznič, DARS (SLO): Constant investments as the foundation of the stability and development of
the motorway network
Juan José Potti, president of ASEFMA (ES): Road condition, much more than confort and safety – fuel/
energy consumption and emission
INVITED LECTURES
Jože P. Damijan (SLO): Analysis of the economic impacts of delays in the construction
of the 3rd development axis
Metod Di Batista (SLO): How to solve the chaos on Slovenian roads?
MOTIVATION LECTURE
Simon Marčič, extreme biker and Dakar driver
CULTURAL EVENT AND ZAS RECOGNITIONS
Special recognitions:
Sebastjan Černigoj, Kolektor CPG
Matic Poznič, DARS
Marijan Prešeren, DRI
Ralf Pomp, EAPA
Asphalt ambasador 2025-2027 – Zvonko Cotič
SECTION 3: DESIGN, CONSTRUCTION, AND MAINTENANCE OF ASPHALT
PAVEMENT STRUCTURES
Moderator: Roman Bašelj, IGMAT
Damijan Zore, IGMAT (SLO): Compaction of asphalt layers
Franc Pungerčič and Samo Gaberšek, VIANOVA (SLO): Surface coatings as part of landscape and
environmental arrangements
Samir Irzayev, RETTENMAIER & SÖHNE GmbH + CO KG (D): Unlocking the full potential of RAP
Romana Lesjak, Mayor of the Municipality of Črna na Koroškem (SLO): Execution of paving works in
the Municipality of Črna na Koroškem
TECHNICAL PRESENTATION OF COMPANIES AND THEIR PRODUCTS
Moderator: Matevž Žiberna, GGD
PETROL, MURExIN, Q POINT and RENESO
SECTION 4: MANUFACTURE OF ASPHALT MIXTURES, TESTING, AND
EQUIPMENT
Moderator: Lidija Ržek, ZAG
Dejan Hribar, STRABAG and Lidija Ržek, ZAG (SLO): Trial sections with warm mix asphalt using the
foamed bitumen method on sections AC 0043 and AC 0067 (Vransko – Blagovica): a way to better
durability and reduced carbon footprint
Matteo Fumagalli, ITERCHIMICA (IT): WMA and/or asphalt workability aid additives: a technique for
durable asphalt pavement
Klemen Šobak, TRGOGRAD and Primož Pavšič, ZAG (SLO): Use of bitumen ‘PMB 45/80-65 le’ in the
production of hot mix asphalt
CLOSING OF COLLOQUIUM
COLLOQUIUM PHOTOS
