[1] Univ Porto, Fac Engn, CONSTRUCT LFC, Rua Dr Roberto Frias S-N, P-4200465 Porto, Portugal
[2] Czech Tech Univ, Fac Civil Engn, Dept Mat Engn & Chem, Thakurova 7-2077, Prague 16629 6, Czech Republic
[3] Univ Fed Campina Grande, Dept Mech Engn, Ave Aprigio Veloso 882, BR-58429900 Campina Grande, Brazil