Bolted unions especially designed for concrete are becoming a quite usual solution for connecting these elements to framed structures of any material. Its behaviour under fatigue loads -especially when the concrete member can be described as thin- must be carefully studied from a durability point of view. The objective is to assess these connections used in combination with ultra-high performance fibre-reinforced concrete under dynamic loads. In particular, the dynamic effects caused by the wind on these connections. The study consists of a theoretical and an experimental approach