In HDM-4, why absolute type of predictive models are used for concrete pavements and incremental type of models are used for flexible pavements?

21 March 2016 1 6K Report

As pavement starts serving traffic, the distresses propagate in pavements be it concrete or flexible pavements. The distresses increase progressively with time. But in HDM-4, incremental type of predictive models are used only in case of flexible pavement but for concrete pavement absolute models are used. Can anyone mention the reason behind this?

Eric E Stannard

The concrete models in HDM-4 have now been updated to use incremental models. See www.hdmglobal.com

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