Contraction Joint 2 : A provision made in a structure or pavement to allow contraction of components, induced by temperature change or other causes, to occur in a controlled manner (e.g. a groove in concrete)
Peter Milne and Kieran Sharp, ARRB Group, and Bob Ungers, consultant, Austroads Glossary of Terms (4th Ed.), Austroads Ltd., Sydney, NSW, Australia 2010. http://www.bicyclensw.org.au/files/u1/Austroads_Gl ossary_of_Terms_4th_edition.pdf (Road Trfc and Transp Sfty - Brit) {529}