Destroying or dismantling something that is designed to be indestructible is always a formidable task, and nothing epitomizes a nearly indestructible object more than the giant tires used on large mining trucks and loaders. Living up to the image of their robust construction and massive weight, with prices to match, the industry’s 59-inch (in.) and 63-in. tires carry many million tons of ore and waste over a wide range of pit bottom and haul road surfaces each year, enduring tremendous stress from heat, internal pressure and external hazards. Over time, they tend to get damaged, repaired, possibly retreaded and returned to service, but eventually they wear out. Often the decision is made to find a convenient spot to stack or bury them on-site.
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