HOW LONG WILL OUR ROADS LAST?

WIE LANGE HALTEN UNSERE STRASSEN?

The repair of the pavements of old or prematurely damaged roads in 1967 led to the question of what length of life could be assessed for modern highway pavements. In order to be able to answer this question a programme was developed to establish the variations in level of the surface of carriageways, of the bituminous roadbase, of the frost protection layer and of the formation and this was put into operation on a reconstructed length of the b51 road between haltern and sythe, having a total length of 3.7 km. The construction of the carriageway pavement and the survey methods used are described in detail, and the results of levels taken from 1969 to 1978 are tabulated. In a second trial length - the l674 near hagen - twelve trial areas had twelve different asphalt mixes built into the surfacing in order that between 1971 and 1978 it would be possible to continually observe their abrasion, deformation and skid resistance. During the period of observation no major differences in the three stated criteria were recorded. On the basis of his surveys, the author comes to the conclusion that abrasion and deformation have been absolutely negligible on the asphalt mixes laid since 1971. Mix specifications and design criteria are now available for the highway engineer which will allow roadbases and base courses to be laid having almost unlimited life and wearing courses which should satisfactorily accept traffic for 15 to 20 years. (TRRL)

  • Authors:
    • Muegge, W
  • Publication Date: 1979-10

Language

  • German

Media Info

  • Features: Figures; Tables;
  • Pagination: p. 3-6
  • Serial:

Subject/Index Terms

Filing Info

  • Accession Number: 00324785
  • Record Type: Publication
  • Source Agency: Bundesanstalt für Straßenwesen (BASt)
  • Files: ITRD, TRIS
  • Created Date: Aug 15 1981 12:00AM