foaming
n.— «About seven miles in the middle of the stretch between Kasilof and Bridge Access Road got a makeover last year, a project that involved grinding up the old pavement and injecting the mass with asphalt— a process called “foaming”—and using that to reinforce the roadbed. Then a layer of asphalt was paved over that, creating new surface.» —“Highway repairs may hit roadblocks without money” by Hal Spence Peninsula Clarion (Kenai, Alaska) May 6, 2007. (source: Double-Tongued Dictionary)
Further reading
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