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You may not remove or obscure the copyright notice or other notices contained in the ASTMĪSTM grants you a limited, non-transferable license as follows: This is not a sale all right, title and interest in the ASTM Document (in both electronic file You (Licensee) have no ownership or other rights in the ASTM Document. This document is copyrighted by the ASTM International (ASTM), 100īarr Harbor Drive, West Conshohocken, PA 19428-2959 USA.Īll rights reserved. Please click here to view License Agreement for Educational Institutions. If you do not agree to the terms of this License Agreement, promptly exit this page This License Agreement, that you understand it and that you agree to be bound by its IMPORTANT-READ THESE TERMS CAREFULLY BEFORE DOWNLOADING THIS DOCUMENT.īy downloading the ASTM Document you are entering into a contract, and acknowledge that Furthermore, overlay thickness design using Kentucky Transportation Center's procedure was carried out. The range of pavement variables showing necessity for dynamic analysis was also considered by comparison of theoretical deflections using DSGT and SSGT. Characteristics of dynamic backcalculation analysis are discussed. Results were then compared with those from DSGT's static analysis version (SSGT) and also from a Japanese representative method, NIPPO, which is a static elastic multilayer method. Temperature influence on Young's modulus of AC was also considered. For the backcalculation of equivalent full-depth asphalt concrete (AC) thickness and subgrade modulus, these deflections were matched with FWD deflections from major roads in Miyazaki Prefecture, Japan. A computer program based on DSGT generated theoretical dynamic deflections of the pavement. Dynamic slab-ground theory (DSGT) was used for dynamic backcalculation of a pavement structure. A study on dynamic backcalculation and overlay design based on falling weight deflectometer (FWD) data is presented.