Volume 37 Issue 1

¹Department of Structures for Engineering and Architecture, University of Federico II, Naples, Italy

¹Department of Structures for Engineering and Architecture, University of Naples “Federico II”, Via Forno Vecchio 36, 80134 (NA), Italy

²Department of Structures for Engineering and Architecture, University of Naples “Federico II”, Piazzale Tecchio 80, 80125 (NA), Italy

¹Department of Civil Engineering and Architecture, University of Catania, Catania, Italy