Stability of multilayer systems under repeated loads.

Author(s)
Raad, L. Weichert, D. & Najm, W.
Year
Abstract

Multilayer systems such as pavements and railroads are subjected to repeated traffic loads of varying magnitude and number of repetitions. The accumulation of plastic strains in a given system may increase under repeated load applications, leading to a state of incremental collapse, or plastic strain may cease to increase with time, resulting in a stable response or shakedown condition. An improved numerical method for the application of shakedown theory to multilayer systems is presented. The proposed method is used to analyse two-layer pavements with varying geometry and material properties. Fatigue and shakedown analyses are also performed for two-layer systems consisting of a cement-treated layer and an asphalt concrete layer overlying a subgrade. Results of analyses are compared and discussed in relation to the design of such systems.

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Publication

Library number
C 19000 (In: C 18984 S) /22 / IRRD 829234
Source

In: Pavement design, Transportation Research Record TRR 1207, p. 181-186, 12 ref.

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