A parameter back-calculation technique for pavements under moving loads
2020
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 back-calculation 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.
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