Patent ID: 8366344
Filing Date: 2013-02-05
Classification: E01C

Abstract:
1. A joint member for a pavement joint, the joint member having a joint axis and being arranged to be disposed between contiguous pavement slabs, the joint member comprising opposite first and second faces that in use extend generally vertically to oppose respective edge surfaces of the slab, at least one said face incorporating a lateral portion that projects outwardly from the face and is arranged to inter-engage with a respective slab edge surface so as to enable shear to be transferred from that slab to the joint member, and the at least one said face including two arcuate bearing surfaces comprising two concave surfaces disposed on respective opposite sides of the lateral portion; in use, said arcuate bearing surfaces are arranged to engage slab edge surfaces and are capable of functioning as hinges such that the joint accommodates sliding rotation and angular displacement of the contiguous slabs.