Die RStO 12 und ihre Auswirkungen auf die Pflasterbauweise

Dipl.-Ing. Dietmar Ulonska, Concrete Association for Road, Landscape and Garden Construction, Bonn

Study of civil engineering at the Hildesheim University of Applied Sciences, specializing in structural engineering; from 1984 to 1988 active in construction materials testing for the Rhenish pumice and lightweight concrete industry and others; after that, change of main activities to developing concrete products for road and garden construction; from 1994 to 2005 advisor of the Department of Products for Road and Garden Construction in the German Concrete and Precast Industry Federation; since 1999 Managing Director of the Concrete Association for Road, Landscape and Garden Construction; from 2007 to 2010 Executive Director of the Association for Quality Assurance in Paving Construction; from 2007 to 2010 Executive Director of the Department of Technology in the German Precast Concrete Federation; participation in numerous national and international panels

Prof. Dr.-Ing. habil. Frohmut Wellner, Technical University of Dresden, Institute for Urban Design and Road Construction

Study of civil engineering at the Technical University of Dresden; from 1981 to 1985 Research Assistant at the TU Dresden; doctorate in 1986; from 1985 to 1987 member of staff, then Group Leader and Deputy Head of Department at the Karl-Marx-Stadt (today: Chemnitz) Combine for Civil Engineering and Road Construction; from 1987 to 1996 Research Assistant, research activities and independent teaching at the TU Dresden; approval as a private engineer for civil engineering design services in 1990; from 1990 to 1996 design engineer for road and civil engineering projects, partner and co-owner of a design office; post-doctoral professorship in 1993; from 1996 to 1999 Professor and Head of Department at the University of Hannover; from 1996 to 1999 Partner in the Engineering Partnership for Road Construction, Hannover; since 1999 Expert for road construction engineering; since 1999 Professor, Head of Chair for Road Construction and Director of the Institute for Urban Design and Road Construction at the TU Dresden; from 2000 to 2006 Head of Testing Center at the TU Dresden; since 2005 Visiting Professor at the Chongqing Jiaotong University, China; numerous national and international awards and memberships in panels and technical committees