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Failures Of Mainline Railway Sleepers And Suggested Remedies - Review Of Current Practice, Wahid Ferdous, Allan Manalo
Failures Of Mainline Railway Sleepers And Suggested Remedies - Review Of Current Practice, Wahid Ferdous, Allan Manalo
Wahid Ferdous
Over the last two decades, the premature failures of traditional railway sleepers have significantly increased the track maintenance costs. The primary obstacle to minimising this problem is the lack of understanding of the mechanism of sleeper degradation. This paper discusses the different deterioration mechanisms for traditional timber, concrete and steel sleepers and the potential protective measures to minimise these problems. This paper exhaustively reviews the failure mechanisms of these three commonly used sleeper materials with suggested solutions. Fungal decay, end splitting and termite attacks has been identified as the principal causes of timber sleeper failures. On the other hand, concrete …