faculty and Drs. Tzong-Hsin Wu and Charng-Hsein Juang. Dr. Leonards served as principal investigator of the research. The research has included determination of the capabilities of four finite element computer programs that predict the performance of buried conduits. Much work, was also performed on characteristics and factors associated with performance of conduits and their evaluation by the several programs. A draft Report was submitted for review on March 17, 1981 and was accepted by JHRP and FHWA without comment. However, on my own cognizance, a number of additional example problems were worked out in detail to provide a firmer basis for the conclusions that were drawn. This Final Report is submitted as fulfillment of the objectives of...