Fig. 4From: Synergetic Influence of Microcrystalline Quartz and Alkali Content in Aggregate on Deterioration of Concrete Railroad Ties Used for 15 Years in High-Speed RailwaysTest setup and results of static flexural loading test for a Non-cracked PSC tie, b Longitudinal-cracked PSC tie, and c Map-cracked PSC tie.Back to article page