A parameter back-calculation technique for pavements under moving loads
Z. Sun (TU Delft - Civil Engineering & Geosciences)
C. Kasbergen (TU Delft - Civil Engineering & Geosciences)
K.N. van Dalen (TU Delft - Civil Engineering & Geosciences)
K. Anupam (TU Delft - Civil Engineering & Geosciences)
S. Erkens (TU Delft - Civil Engineering & Geosciences)
Athanasios Scarpas (Khalifa University of Science and Technology, TU Delft - Civil Engineering & Geosciences)
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Abstract
Maintenance and rehabilitation strategies of pavements are usually made based on the results of performance evaluation. An efficient tool for pavement structural evaluation at network level is the traffic speed deflectometer (TSD) test. In order to deal with TSD measurements, this paper proposes a parameter back-calculation technique. Firstly, the sensitivity of the surface response for an elastic pavement structure with hysteretic damping to different structural parameters is investigated. Then, the ability of the parameter backcalculation technique is verified by conducting a case study. The results show that the proposed technique is able to back-calculate the structural parameters of pavements by analysing TSD measurements. The presented work contributes to the development of parameter back-calculation techniques for the TSD test.