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S. Ahmed et alii, Frattura ed Integrità Strutturale, 60 (2022) 243-264; DOI: 10.3221/IGF-ESIS.60.17

ultrahigh performance concrete (UHPC), Mater. Today Proc., 33(xxxx), pp. 789–797, DOI: 10.1016/j.matpr.2020.06.180. [27] Yu, R., Spiesz, P., Brouwers, H.J.H. (2015). Development of Ultra-High Performance Fibre Reinforced Concrete (UHPFRC): Towards an efficient utilization of binders and fibres, Constr. Build. Mater., 79, pp. 273–282, DOI: 10.1016/j.conbuildmat.2015.01.050. [28] UIC. 713R. (2004).Design of Monoblock Concrete Sleepers., International Union of Railways, p. 30. [29] EN 13230-6. (2014). Railway applications - Track - Concrete sleepers and bearers - Part 6: Design, Brussles, Belgium, European Committee for Standardization (CEN). [30] Yang, J.M., Shin, H.O., Yoon, Y.S., Mitchell, D. (2017). Benefits of blast furnace slag and steel fibers on the static and fatigue performance of prestressed concrete sleepers, Eng. Struct., 134, pp. 317–333, DOI: 10.1016/j.engstruct.2016.12.045. [31] Yoo, D.Y., Lee, J.Y., Shin, H.O., Yang, J.M., Yoon, Y.S. (2019). Effects of blast furnace slag and steel fiber on the impact resistance of railway prestressed concrete sleepers, Cem. Concr. Compos., 99, pp. 151–164, DOI: 10.1016/j.cemconcomp.2019.03.015.

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