Abstract: The invention concerns a wall remaining tight despite possible displacements of its panels because of the terrain.To this end, it involves joints formed of cylindrical parts 2 and 3, connected by a band 6 consisting of at least one fold 7, of such a kind that the allowed displacement of the panels 16 and 17 entails a deviation less than the length of the unfolded band 6.The invention applies to all tight walls.