13 votes Why railroad tracks don't need expansion joints Posted December 6, 2023 by cfabbro Tags: transport, infrastructure, railways, railway tracks, continuous welded rail, welding, steel, physics, thermal expansion, deformation.elastic, elasticity, stress, elastic modulus, strain, compressive strength, tensile strength, buckling, eulers critical load, railroad ties, joints, author.grady hillhouse, videos, practical engineering https://www.youtube.com/watch?v=zqmOSMAtadc Link information This data is scraped automatically and may be incorrect. Authors Practical Engineering Duration 15:53 Published Dec 5 2023