1. *Formerly Department of Civil, Environmental, Land, Building Engineering and Chemistry, Politecnico di Bari, Bari, Italy; now Scuola Superiore Meridionale, Università di Napoli Federico II, Naples, Italy.
2. †Department of Civil, Environmental, Land, Building Engineering and Chemistry, Politecnico di Bari, Bari, Italy.
3. ‡Department of Civil, Environmental, Land, Building Engineering and Chemistry, Politecnico di Bari, Bari, Italy.
4. Departamento de Ingeniería Civil y Ambiental, Universitat Politécnica de Catalunya, Barcelona, Spain.