Trench-less Method of Culvert Rehabilitation (US)
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The Forest Service, an agency of the U.S. Department of Agriculture,has numerous corrugated metal pipes (also referred to as corrugatedsteel pipes) that have been in place since the 1950s, 1960s, and 1970s. At a typical corrosion rate, many of the culverts from this era are at the end of their useful life. Although the structural capacity of the corroded culverts may withstand earth pressures of shallow fills, it is not uncommon to see old corrugated metal pipes under deep fills undergoing various stages of collapse.
Transcript of Trench-less Method of Culvert Rehabilitation (US)
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