FIELD: road and airport construction. SUBSTANCE: road structure has pavement 1, roadbed 2, which upper layer 3 is enclosed into water proof "casing". The "casing" has a slope below directed from embankment slopes towards the roadbed axis. The casing ends near the axis are in a spaced relation to each other having the drainage blanket adjacent to it. The drainage blanket has slopes, directed from the axis towards the embankment slopes. EFFECT: improved road surface protection and stability. 1 dwg
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Authors
Dates
1995-05-20—Published
1992-11-02—Filed