USE OF THE FINITE ELEMENT METHOD IN PAVEMENT DESIGN. A COMPARISON BETWEEN TWO MODELS

ANVAENDNING AV FINIT ELEMENTMETOD VID DIMENSIONERING AV VAEGKROPP. EN JAEMFOERELSE MELLAN TVAA DATORMODELLER

In order to decide if the finite element program "EPAFEM" is useful in pavement design comparisons were made with the accepted program "BISAR". Eight pavement models were compared. The models were designed to show if the calculation methods have different sensitivity as to variations in modulus of elasticity, lateral contraction and layer thickness. The equivalence was good regarding strains. As to vertical displacements a difference of 0 to 10 per cent was observed. The results indicate that the difference probably is a consequence of differences in the calculations of materials with low modulus of elasticity.

• Corporate Authors:

  Chalmers University of Technology, Sweden

  Institute of Transportation, Fack
  S-402 20 Goeteborg 5,   Sweden 
• Authors:
  • Dahl, J
• Publication Date: 1985

Language

• Swedish

Media Info

• Features: Figures; References;
• Pagination: 62 p.

Subject/Index Terms

• TRT Terms: Calculation; Computer programs; Contraction; Finite element method; Mathematical models; Modulus of elasticity; Pavement design; Pavement layers; Pavements; Thickness
• Uncontrolled Terms: Computation; Models; Pavement thickness
• Subject Areas: Highways; Pavements;

Filing Info

• Accession Number: 00462736
• Record Type: Publication
• Source Agency: Swedish National Road and Transport Research Institute (VTI)
• Report/Paper Numbers: N1985:1
• Files: ITRD, TRIS
• Created Date: Mar 31 1987 12:00AM