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Use Of Synthetic Inclusions For Enhanced Behaviour Of Railway Ballast Under Impact Loading, Fernanda Bessa Ferreira, Buddhima Indraratna

Faculty of Engineering and Information Sciences - Papers: Part B

Ballasted rail tracks form one of the largest worldwide networks catering to passenger and freight transportation. However, track deterioration associated with severe dynamic wheel loads is inevitable over the years leading to high maintenance costs. Geosynthetics and energy-absorbing rubber mats have increasingly been applied in rail track foundations to improve track stability and reduce the life-cycle cost of the railway system. This paper presents the results of an experimental study carried out using a high-capacity drop-weight impact testing apparatus to investigate the deformation and degradation response of railway ballast under impact loading conditions. The effectiveness of the geogrid reinforcement in …