1. Civil Engineer, Researcher, Dept. of Materials and Environment Engineering and Physics, Technical Univ. of Marche, Ancona, Italy. E-mail: v.corinaldesi@univpm.it
2. Chemical Engineer, Full Professor, Dept. of Materials Science and Technology and Head, Dept. of Materials and Environment Engineering and Physics, Technical Univ. of Marche, Ancona, Italy. E-mail: g.moriconi@univpm.it