1. Professor, Civil Engineering Dept., Univ. of Alicante, Carretera San Vicente s/n, 03690 Alicante, Spain (corresponding author).
2. Associate Professor, Ambient and Civil Engineering Dept., Technical Univ. of Bari, Via Orabona 4, 70125 Bari, Italy.
3. Ph.D. Student, Civil Engineering Dept., Univ. of Alicante, Carretera San Vicente s/n, 03690 Alicante, Spain.
4. Assistant Professor, Civil Engineering Dept., Univ. of Alicante, Carretera San Vicente s/n, 03690 Alicante, Spain.