One of the iconic sensory experiences of riding a train is actually the sound of ingenuity. As steel railroad tracks heat up, they grow: 1,800 feet of rail expands by more than an inch for every 10 ...
Work of laying new and heavier steel rails on the St. Louis & Illinois Belt railroad, a branch of the St. Louis, Troy and Eastern recently acquired by the Illinois Power & Light Corporation which is ...
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Why railroads don’t need expansion joints even in 40°C heat
Steel rails can expand about 6 millimeters for every 12 meters when temperatures rise by 40°C — enough to cause dangerous buckling. Early tracks relied on gaps, but today over 2 million thermite welds ...
A steel railroad spike clad in gold and silver used in the ceremony marking the completion of the Transcontinental Railroad, May 10, 1869 (all images courtesy Christie's) Excitement struck deep at ...
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