PERMANENT DEFORMATION LAW OF BITUMINOUS ROAD MIXES IN REPEATED TRIAXIAL COMPRESSION
The approach to predicting permanent deformation in asphalt pavements suggested by Romain and Barksdale is examined in detail with particular reference to its validity under controlled laboratory conditions as a preamble to applying the ideas in practice. Attention is given to the correct representation of stress by use of invariants and the careful planning of laboratory materials tests following a review of the relevant literature. Non-linear elastic analysis is required to estimate stresses under the high temperature conditions relevant to the permanent deformation problem. The results from pavement experiments including suitable instrumentation are compared with the predictions of permanent deformation carried out by various authors. A firm conclusion about the validity of the Romain/Barksdale approach is not considered possible on the evidence presented but the need for further work is indicated. /Author/
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Supplemental Notes:
- Volume I of proceedings of 4th International Conference on Structural Design of Asphalt Pavements, Ann Arbor, Michigan, August 22-26, 1977.
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Corporate Authors:
University of Michigan, Ann Arbor
Department of Civil Engineering
Ann Arbor, MI United States 48109 -
Authors:
- Francken, L
- Conference:
- Publication Date: 1977-1
Media Info
- Features: Figures; References; Tables;
- Pagination: p. 483-496
Subject/Index Terms
- TRT Terms: Asphalt pavements; Deformation; Forecasting; Pavement design; Stresses; Temperature; Testing
- Subject Areas: Highways; Pavements;
Filing Info
- Accession Number: 00170232
- Record Type: Publication
- Report/Paper Numbers: Proceeding
- Files: TRIS
- Created Date: Mar 14 1978 12:00AM