1. Faculty of Civil Engineering and Architecture, Lublin University of Technology, Nadbystrzycka 38D, 20-618 Lublin, Poland
2. Faculty of Civil Engineering and Environmental Sciences, Bialystok University of Technology, Wiejska 45E, 15-351 Bialystok, Poland
3. Faculty of Civil and Environmental Engineering and Architecture, Rzeszow University of Technology, Powstancow Warszawy 12, 35-959 Rzeszow, Poland