Cross piece for e.g. railway track, has longitudinal median groove for fixation of attachments of rails, rail bearing-plates, insulators or support-stops, where piece is made of pultruded composite material

摘要

The piece (1) has a longitudinal median groove (2) for fixation of attachments of rails, rail bearing-plates, insulators or support-stops, where the piece is made of pultruded composite material. The composite material is constituted by a resin matrix surrounding an armature composed of fibers, where the resin matrix is of polyester, epoxy, phenolic or thermosetting type, and the fibers are glass, mineral, vegetable or aramid fibers.