ABSTRACT
Dr Anna M.Grabiec is a Graduate of the Chemistry Department, the Technical University, Poznan, Poland. She works as a Lecturer at the Land Reclamation Department, the Academy of Agriculture, Poznan, Poland. Her scientific work deals with technology of concrete. Her recent studies concern the influence of plasticizing admixtures for concrete on its properties. Dr Wlodzimierz Lecki is a Graduate of the Civil Engineering Department, the Technical University, Poznan, Poland. He works as a Lecturer at the Land Reclamation Department, the Academy of Agriculture, Poznan, Poland. His research interests are in the field of corrosion protection of concrete structures, particularly agricultural.
