FIELD: construction.
SUBSTANCE: invention relates to road construction, specifically to pit repair of road surface asphalt concrete coating. Proposed method comprises marking contour of replaceable part of the coating, forming a map, aligning the base of the card, applying liquid bitumen on the bottom and walls of the card, laying repair material out of asphalt concrete onto the map and heating the jointing points of the coated tiles. As repair material there used is preliminarily prepared in factory conditions tile from cast asphalt concrete V-th type, dimensions of which correspond to size of map, at that amount of asphalt binding substance in asphalt concrete is 0.55–0.75 % at ratio of bitumen: mineral powder = 22–28 %.
EFFECT: technical result achieved during implementation of the developed method consists in improvement of repair quality due to increased density of the repaired card and increased tightness of couplings.
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Authors
Dates
2019-08-05—Published
2018-10-29—Filed