New simplified approach for obtaining a reliable plateau value in fatigue analysis of bituminous materials

What is it about?

• Ballasted track-bed affected by settlement and contamination due to traffic and maintenance. • Bitumen stabilised ballast (BSB) as solution to reduce track-bed maintenance burdens. • Novel integrated track-bed degradation model to predict maintenance strategies. • Increased intervals between minor and major maintenance operations due to the used of BSB. • Sensitivity analysis to traffic and quality level set for the infrastructure.

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Why is it important?

A new publication to support the use of bitumen ballast stabilisation to maintain existing ballasted railway trackbed. 2018 Feb - Construction and Building Materials Giacomo D'Angelo, Sara Bressi, Marinella Giunta, Davide Lo Presti, Nick Thom