KnowraExpansion jointLinked fromLinked fromThe 5 pages that link to Expansion joint, each with the reason it gives.All 5Broader topic 2Related 3Sydney Harbour BridgeRelated: Its roadway joints allow the long steel structure to expand and contract.BrickworkRelated: Joints limit cracking as brickwork expands, contracts, or settles.Stone slabRelated: Joints help prevent large stone installations from cracking as materials move.