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Road construction asphalt base course

Basic rehabilitation of the A 48 highway as an asphalt construction, Germany

Project data:

  • Base c: AC 32 TS
  • Two layers (16 to 18 cm)
  • Bitumen: 50/70
  • Total area: 70.000 m²
  • Total production: ca. 30.000 t
  • Production/day: 4.200 t max.


Compaction requirement and compaction:

  • Density: 97%
  • Pre-compaction of base course with two rubber tired rollers, BW 24 RH (ca. 14 t)
    No. of passes: 4
  • Tire pressure:  ca. 6 bar
  • Working speed: 3-5 km/h
  • Post-compaction (ironing) with 4 tandem rollers BW 174 AD-AM (10 t oper. weight)
    No. of passes: 6
  • Working speed: 4-6 km/h

 
 

 

Six-lane construction of highway A1, Germany

Project data:

  • Base course: AC 32 TS
  • Two layer pavement 
  • Base course material was laid continuously up to a screed width of 7,50 m and with the help of a shuttle buggy
  • Bitumen: 50/70
  • Thickness: 2x11 cm
  • Production/day: 1.800 t


Compaction requirement and compaction:

  • Compaction requirement: 97%
  • Major compaction task: 2 Tandem rollers BW 174 AD-AM II  and BW 174 AD-AM  (10 t operating weight)
  • No. of passes:  6 
  • Working speed: 4 km/h
  • Static compaction (ironing)
  • BW 184 AD-AM (13 t operating weight)
  • 1x Tandem roller (10 t)
  • No. of passes: 4-6
  • Working speed: 6 km/h

 
 

 

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