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TEST ROAD WITH FINE TYPE PAVEMENT, VENDELSOE-74. A REPORT OF THE SITUATION AS OF MAY 1980 (PROVVAEG MED HB-OEVERBYGGNAD, VENDELSOE-74. LAEGESRAPPORT 1980-05)

The test road consisting of 10 sub-units was constructed for the study of fine type pavements constructed on clayey road beds with differing bearing capacity depending on the road bed and whether or not the road bed had been treated with limestone. Another purpose was the long term study of fine type pavements in order to determine the optimal pavement thickness for different traffic volumes and climate types. A 2-point measurement technique was used to evaluate the upper layer as well as the lower layers. Changes in these layer modules reflect the traffic and other factors. Since these measurement series have not yet been completed, a closer analysis will have to be made later. Stabilization of the road bed with limestone increases the bearing capacity of the lower layers. Cracks in the lower layers were in one case suspected to be the cause of low bearing capacity of the lower layers. Average modules include both the upper layer and the lower layer and are determined based on the degree of deformation of the road surface in falling weight tests. Average modules increase with decreasing temperatures and increasing layer thickness. The PSI traffic values show an annual variation with a decrease in the values in the spring by an average of 0.4 units. It is concluded through extrapolation that the lowest PSI value, 2.0, is reached after about 15 years, which is considered satisfactory.

Media Info

  • Pagination: 21 p.

Subject/Index Terms

Filing Info

  • Accession Number: 00346046
  • Record Type: Publication
  • Source Agency: National Technical Information Service
  • Report/Paper Numbers: VTI/MEDDELANDE-213
  • Files: NTIS
  • Created Date: Jan 29 1982 12:00AM