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Journal of Infrastructure Preservation and Resilience
Fig. 3 | Journal of Infrastructure Preservation and Resilience

Fig. 3

From: Review of porous asphalt pavements in cold regions: the state of practice and case study repository in design, construction, and maintenance

Fig. 3

Long-term infiltration rate and restorative maintenance for porous asphalt pavements at (a) Haparanda, Sweden [2, 66] and (b) Luleå, Sweden [2, 8, 56, 66]. (Acronym: Inf. = infiltration; M.T. = maintenance; MS = mechanical sweeping; PW = pressure washing; VS = vacuum sweeping; HHVS = hand-hold vacuum sweeping; HHPW = hand-hold pressure washing)

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