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J.M. Matthews, F.C. Schmitt, "A Nonlinear Finite Element Method for the Design of Airfield Pavements", in B.H.V. Topping, (Editor), "Developments in Computer Aided Design and Modelling for Civil Engineering", Civil-Comp Press, Edinburgh, UK, pp 195-202, 1995. doi:10.4203/ccp.30.8.3

Abstract

In this paper a nonlinear finite element method (NLFEM) for analyzing the rutting of heavy duty airfield pavements was developed. The nonlinear behavior of the displacements was modeled by summing their first order and their first and second order multiplied components. The nonlinear change in the stiffness of the elements was calculated as a function of vertical stress. The validity of the program was established by comparing its results with those of the ELSYM-5 (Elastic Layered System) computer program, developed at the University of California, Berkeley. Unconfined creep tests were conducted on asphalt concrete specimens, and mix stiffnesses were obtained as a function of depth. Rut depth in a heavy duty asphalt concrete layer was predicted for the temperature conditions in the city of Philadelphia (Pennsylvania, USA), following a modified Shell procedure.

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Front Page Browse CCP CSETS CTR IJRT Other Authors Search Purchase Guide FAQ Contact us	Civil-Comp Proceedings ISSN 1759-3433 CCP: 30 DEVELOPMENTS IN COMPUTER AIDED DESIGN AND MODELLING FOR CIVIL ENGINEERING Edited by: B.H.V. Topping Paper VIII.3 A Nonlinear Finite Element Method for the Design of Airfield Pavements J.M. Matthews and F.C. Schmitt Department of Civil Engineering, Temple University, Philadelphia, USA doi:10.4203/ccp.30.8.3 purchase the full-text of this paper Full Bibliographic Reference for this paper J.M. Matthews, F.C. Schmitt, "A Nonlinear Finite Element Method for the Design of Airfield Pavements", in B.H.V. Topping, (Editor), "Developments in Computer Aided Design and Modelling for Civil Engineering", Civil-Comp Press, Edinburgh, UK, pp 195-202, 1995. doi:10.4203/ccp.30.8.3 Abstract In this paper a nonlinear finite element method (NLFEM) for analyzing the rutting of heavy duty airfield pavements was developed. The nonlinear behavior of the displacements was modeled by summing their first order and their first and second order multiplied components. The nonlinear change in the stiffness of the elements was calculated as a function of vertical stress. The validity of the program was established by comparing its results with those of the ELSYM-5 (Elastic Layered System) computer program, developed at the University of California, Berkeley. Unconfined creep tests were conducted on asphalt concrete specimens, and mix stiffnesses were obtained as a function of depth. Rut depth in a heavy duty asphalt concrete layer was predicted for the temperature conditions in the city of Philadelphia (Pennsylvania, USA), following a modified Shell procedure. purchase the full-text of this paper (price £20) go to the previous paper go to the next paper return to the table of contents return to the book description purchase this book (price £60 +P&P)
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