FIELD: construction.
SUBSTANCE: distance between seams is determined by formula
where: Lcr is distance between expansion joints (m); H is thickness of asphalt-concrete ply (m); σt - strength of asphalt concrete for tension (Pa) at the lowest air temperature in the region of road construction; |Δt| is absolute value of maximum temperature difference per day (°C); k is coefficient of adhesion of asphalt-concrete layer with base (N/m3); α is coefficient of linear thermal expansion of asphalt concrete (1/°C).
EFFECT: invention relates to construction, particularly, to construction of an automobile road, in which an asphalt-concrete layer with expansion joints is made.
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Authors
Dates
2019-08-05—Published
2018-05-30—Filed