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Modarres, yaghout, Ghalehnovi, Mansour. (1402). Comparison of the mechanical performance of concrete reinforced with recycled steel fibers from waste tires and hooked-end steel fibers at ambient and high temperatures. , (), -. doi: 10.22059/ceij.2023.349788.1877
yaghout Modarres; Mansour Ghalehnovi. "Comparison of the mechanical performance of concrete reinforced with recycled steel fibers from waste tires and hooked-end steel fibers at ambient and high temperatures". , , , 1402, -. doi: 10.22059/ceij.2023.349788.1877
Modarres, yaghout, Ghalehnovi, Mansour. (1402). 'Comparison of the mechanical performance of concrete reinforced with recycled steel fibers from waste tires and hooked-end steel fibers at ambient and high temperatures', , (), pp. -. doi: 10.22059/ceij.2023.349788.1877
Modarres, yaghout, Ghalehnovi, Mansour. Comparison of the mechanical performance of concrete reinforced with recycled steel fibers from waste tires and hooked-end steel fibers at ambient and high temperatures. , 1402; (): -. doi: 10.22059/ceij.2023.349788.1877

Comparison of the mechanical performance of concrete reinforced with recycled steel fibers from waste tires and hooked-end steel fibers at ambient and high temperatures

Civil Engineering Infrastructures Journal
مقالات آماده انتشار، پذیرفته شده، انتشار آنلاین از تاریخ 28 خرداد 1402    اصل مقاله (2.13 M)
شناسه دیجیتال (DOI): 10.22059/ceij.2023.349788.1877
نویسندگان
yaghout Modarres1؛ Mansour Ghalehnovi* 2
1Department of Civil Engineering, Ferdowsi University of Mashhad, Mashhad, Iran
2Ferdowsi University Of Mashhad, Department of Civil Engineering
چکیده
In this experimental study, a mechanical and economic analysis has been done to investigate the performance of recycled steel fibers from waste tires. Two types of recycled fibers, including recycled steel fibers with impurities (with rubber and textiles) (RSFI) and clean recycled steel fibers (CRSF), have been investigated. Recycled fiber's performance has been compared to industrial steel fibers (ISF). The mechanical properties of normal concrete and concrete reinforced with steel fibers, including compressive strength, splitting tensile strength, and flexural strength, were investigated at ambient temperature and temperatures of 200 °C and 600 °C. The results showed that at ambient temperature and 200 ℃, RSFI harms the compressive strength of concrete due to the high amount of rubber and textiles, while CRSF has shown results comparable to ISF at all temperatures. The positive effect of RSFI has been observed at 600 ℃ by melting rubber and burning textiles. The specimens reinforced with steel fibers, regardless of their type, improved the tensile strength and modulus of rupture compared to the control specimen at all temperatures. RSFI has shown poorer performance compared to ISF and CRSF. Results showed that CRSF could be a suitable alternative to ISF to strengthen concrete mixtures.
کلیدواژه‌ها
Concrete؛ Recycled steel fibers؛ Industrial steel fibers؛ Waste tires؛ High temperature
آمار
تعداد مشاهده مقاله: 327
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