Motorway Bjergby Hirtshals DENMARK – 2002
Roads (01-013-A)
01-013-A – pag 2/2
Problem Complete rebuilding of a stretch of motorway on bad subsoil.
Composition
Cubic Area: 3,800 m3. Load: ADT = 60,000 vehicles/day. ADTT = 6,000 vehicles/day (ca. 10%).
Road bed 21 cm asphalt layer; 20 cm base course; 20 cm anti-frost layer. Base Geotextile, 400 g/m2, laid crossways to the road, overlaps min. 50 cm; Leca® 8-20 mm, thickness: ~1.80m wrapped in geotextile, min. 1.0 m overlaps. Subsoil Soft subsoil to a depth of 10 m.
Road surface in good condition, view towards Hirtshals, Hjørring section still under pre-load .
Construction No data available.
Building method Soil replacement for load compensation, with pre-load.
Quality control No data.
Performance Measurements No data. Flaws/damage Type: none. Time: -Visual appraisal as of 06.06.2004 Deformations: - none detectable. Transitional/contact areas: - no problems. Road surface: - impeccable condition.
Maintenance work Normal.
Appraisal/Experiences Use of Leca® has been successful to date, too early for long-term observations.
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