486


89. Peattie, K.R., "Stress and Strain Factors for Three-Layer Elastic
 Systems," Highway Research Board Bulletin 342, HRB,
 Washington, D.C., 1962, pp. 215-253.

90. Petersen, G., and Shepherd, L.W., "Deflection Analysis of Flexible
 Pavements," Report 906, Utah State Highway Department, Provo,
 Utah, January, 1972.

91. Pichumani, R., "Application of Computer Codes to the Analysis of
 Flexible Pavements," Proceedings, Third International Con-
 ference on the Structural Design of Asphalt Pavements,
 University of Michigan, Vol. 1, 1972, pp. 506-520.

92. Poulos, H.G., and Davis, E.H., Elastic Solutions for Soils and
 Rock Mechanics, John Wiley & Sons, Inc., New York, 1974,
 411 pp.

93. Pronk, A.C., and Buiter, R., "Aspects of the Interpretation and
 Evaluation of Falling Weight Deflection (FWD) Measurements,"
 Proceedings, Fifth International Conference on the Structural
 Design of Asphalt Pavements, Delft, The Netherlands, 1982,
 pp. 461-474.

 94. Rada, G., and Witczak, M.W., "Comprehensive Evaluation of Labora-
 tory Resilient Moduli Results for Granular Material,"
 Transportation Research Record 810, TRB, Washington, D.C.,
 1981, pp. 23-33.

 95. Robertson, P.K., and Campanella, R.G., "Guidelines for Use and
 Interpretation of the Electronic Cone Penetration Test," Soil
 Mechanics Series No. 69, Department of Civil Engineering,
 University of British Columbia, Columbia, Vancouver, 1984.

 96. Roque, R., Low Temperature Response of Asphalt Concrete Pavements,
 Ph.D., Dissertation, Department of Civil Engineering, Univer-
 sity of Florida, Gainesville, Florida, 1986, 444 pp.

 97. Roque, R., and Ruth, B.E., "Materials Characterization and Re-
 sponse of Flexible Pavements at Low Temperatures," presented
 at the 62nd Annual Meeting of the Association of Asphalt
 Paving Technologists, Reno, Nevada, 1987.

 98. Ruth, B.E., Bloy, L.A.K., and Avital, A.A., "Prediction of Pave-
 ment Cracking at Low Temperatures," Proceedings, Association
 of Asphalt Paving Technologists, Vol. 51, 1982, pp. 53-90.

 99. Schiffman, R.L., "General Analysis of Stresses and Displacements
 in Layered Elastic Systems," Proceedings, First International
 Conference on the Structural Design of Asphalt Pavements,
 University of Michigan, Ann Arbor, Michigan, 1963, pp. 365-
 375.