The invention relates to a railway vehicle body structure, comprising a chassis, at least one panel, and a plurality of bolts fastening the panel on the chassis, each bolt including a shank and keeping a surface of the panel across from a surface of the chassis along an axis of the shank. The body structure further comprises friction sheets. For each of the bolts, at least one of the friction sheets is compressed by the bolt between the surface of the panel and the surface of the chassis. The surface of the panel has a sliding strength relative to the surface of the chassis along a longitudinal direction perpendicular to the axis, said friction sheet being suitable, with constant tightening of the bolt, for increasing the sliding strength. Figure 2 FI 2 -46B 5v
